./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4077172026 <...> ose resumed>) = 0 [pid 5081] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5517] close(4 [pid 5081] lstat("./18/cgroup.net", [pid 5517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5517] close(5 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] unlink("./18/cgroup.net" [pid 5517] close(6) = -1 EBADF (Bad file descriptor) [ 92.751959][ T5519] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5081] <... unlink resumed>) = 0 [pid 5517] close(7 [pid 5081] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5517] close(8) = -1 EBADF (Bad file descriptor) [pid 5517] close(9) = -1 EBADF (Bad file descriptor) [pid 5517] close(10) = -1 EBADF (Bad file descriptor) [pid 5517] close(11) = -1 EBADF (Bad file descriptor) [pid 5517] close(12) = -1 EBADF (Bad file descriptor) [pid 5517] close(13) = -1 EBADF (Bad file descriptor) [pid 5517] close(14) = -1 EBADF (Bad file descriptor) [pid 5517] close(15) = -1 EBADF (Bad file descriptor) [pid 5517] close(16) = -1 EBADF (Bad file descriptor) [pid 5517] close(17) = -1 EBADF (Bad file descriptor) [pid 5517] close(18) = -1 EBADF (Bad file descriptor) [pid 5517] close(19) = -1 EBADF (Bad file descriptor) [pid 5517] close(20) = -1 EBADF (Bad file descriptor) [pid 5517] close(21) = -1 EBADF (Bad file descriptor) [pid 5517] close(22) = -1 EBADF (Bad file descriptor) [pid 5517] close(23) = -1 EBADF (Bad file descriptor) [pid 5517] close(24) = -1 EBADF (Bad file descriptor) [pid 5517] close(25) = -1 EBADF (Bad file descriptor) [pid 5517] close(26) = -1 EBADF (Bad file descriptor) [pid 5517] close(27) = -1 EBADF (Bad file descriptor) [pid 5517] close(28) = -1 EBADF (Bad file descriptor) [pid 5517] close(29) = -1 EBADF (Bad file descriptor) [pid 5528] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5517] exit_group(0 [pid 5529] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5519] <... futex resumed>) = ? [pid 5517] <... exit_group resumed>) = ? [pid 5519] +++ exited with 0 +++ [pid 5517] +++ exited with 0 +++ [pid 5526] <... write resumed>) = 4194304 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5526] munmap(0x7f87c00f0000, 4194304 [pid 5079] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5526] <... munmap resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5526] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5079] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5079] fstat(3, [pid 5527] <... write resumed>) = 4194304 [pid 5526] <... openat resumed>) = 4 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5526] ioctl(4, LOOP_SET_FD, 3 [pid 5079] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./18/binderfs") = 0 [pid 5079] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./18/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] unlink("./18/cgroup") = 0 [pid 5079] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./18/cgroup.net") = 0 [pid 5079] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5526] <... ioctl resumed>) = 0 [pid 5526] close(3 [pid 5527] munmap(0x7f87c00f0000, 4194304 [pid 5526] <... close resumed>) = 0 [pid 5526] mkdir("./file0", 0777 [pid 5527] <... munmap resumed>) = 0 [pid 5527] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5526] <... mkdir resumed>) = 0 [pid 5526] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 92.952412][ T5526] loop2: detected capacity change from 0 to 8192 [ 92.974446][ T5527] loop4: detected capacity change from 0 to 8192 [ 92.986334][ T5526] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5527] ioctl(4, LOOP_SET_FD, 3 [pid 5529] <... write resumed>) = 4194304 [pid 5528] <... write resumed>) = 4194304 [pid 5527] <... ioctl resumed>) = 0 [pid 5081] <... umount2 resumed>) = 0 [pid 5529] munmap(0x7f87c00f0000, 4194304 [pid 5527] close(3 [pid 5081] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5529] <... munmap resumed>) = 0 [pid 5527] <... close resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5529] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5527] mkdir("./file0", 0777 [pid 5081] lstat("./18/file0", [pid 5529] <... openat resumed>) = 4 [pid 5528] munmap(0x7f87c00f0000, 4194304 [pid 5527] <... mkdir resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5529] ioctl(4, LOOP_SET_FD, 3 [pid 5528] <... munmap resumed>) = 0 [pid 5527] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5081] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5529] <... ioctl resumed>) = 0 [pid 5528] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5081] <... openat resumed>) = 4 [pid 5529] close(3 [pid 5528] <... openat resumed>) = 4 [pid 5081] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5081] close(4) = 0 [ 93.030538][ T5526] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 93.047713][ T5526] REISERFS (device loop2): using ordered data mode [ 93.048978][ T5529] loop5: detected capacity change from 0 to 8192 [ 93.060598][ T5526] reiserfs: using flush barriers [pid 5081] rmdir("./18/file0") = 0 [pid 5081] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./18/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./18/cgroup.cpu") = 0 [pid 5528] ioctl(4, LOOP_SET_FD, 3 [pid 5081] getdents64(3, [pid 5529] <... close resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5081] close(3) = 0 [pid 5081] rmdir("./18") = 0 [pid 5081] mkdir("./19", 0777) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5529] mkdir("./file0", 0777 [pid 5081] <... openat resumed>) = 3 [pid 5081] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5081] close(3) = 0 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5532 attached [pid 5532] set_robust_list(0x5555565af5e0, 24 [pid 5529] <... mkdir resumed>) = 0 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 57 [pid 5532] <... set_robust_list resumed>) = 0 [pid 5529] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5532] chdir("./19") = 0 [ 93.073767][ T5527] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 93.090225][ T5528] loop0: detected capacity change from 0 to 8192 [ 93.107695][ T5526] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5532] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5528] <... ioctl resumed>) = 0 [pid 5532] <... prctl resumed>) = 0 [pid 5532] setpgid(0, 0 [pid 5528] close(3 [pid 5532] <... setpgid resumed>) = 0 [pid 5528] <... close resumed>) = 0 [pid 5532] symlink("/syzcgroup/unified/syz3", "./cgroup" [ 93.130867][ T5526] REISERFS (device loop2): checking transaction log (loop2) [ 93.140802][ T5529] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 93.142954][ T5527] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 93.168832][ T5527] REISERFS (device loop4): using ordered data mode [pid 5528] mkdir("./file0", 0777 [pid 5532] <... symlink resumed>) = 0 [pid 5528] <... mkdir resumed>) = 0 [pid 5528] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5532] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5532] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5532] write(3, "1000", 4) = 4 [pid 5532] close(3) = 0 [pid 5532] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5532] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5532] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5532] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5532] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5535 attached [pid 5535] set_robust_list(0x7f87c85109e0, 24 [pid 5532] <... clone resumed>, parent_tid=[58], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 58 [pid 5535] <... set_robust_list resumed>) = 0 [pid 5532] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] memfd_create("syzkaller", 0 [pid 5532] <... futex resumed>) = 0 [pid 5535] <... memfd_create resumed>) = 3 [pid 5532] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5535] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 93.173206][ T5526] REISERFS (device loop2): Using r5 hash to sort names [ 93.176913][ T5527] reiserfs: using flush barriers [ 93.193512][ T5528] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 93.194448][ T5529] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5079] <... umount2 resumed>) = 0 [pid 5079] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 93.219502][ T5527] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 93.226525][ T5526] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 93.240957][ T5527] REISERFS (device loop4): checking transaction log (loop4) [ 93.258447][ T5528] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 93.263453][ T5529] REISERFS (device loop5): using ordered data mode [pid 5079] lstat("./18/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 93.281831][ T5529] reiserfs: using flush barriers [ 93.290517][ T5528] REISERFS (device loop0): using ordered data mode [ 93.292049][ T5526] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 93.308500][ T5529] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5079] fstat(4, [pid 5526] <... mount resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5535] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5526] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] getdents64(4, [pid 5526] <... openat resumed>) = 3 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5526] chdir("./file0" [pid 5079] getdents64(4, [pid 5526] <... chdir resumed>) = 0 [pid 5526] ioctl(4, LOOP_CLR_FD [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5526] <... ioctl resumed>) = 0 [pid 5079] close(4 [pid 5526] close(4 [pid 5079] <... close resumed>) = 0 [pid 5526] <... close resumed>) = 0 [pid 5079] rmdir("./18/file0" [pid 5526] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... rmdir resumed>) = 0 [pid 5526] <... futex resumed>) = 1 [pid 5522] <... futex resumed>) = 0 [pid 5079] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5526] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5522] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5522] <... futex resumed>) = 0 [pid 5079] lstat("./18/cgroup.cpu", [pid 5526] mkdir("./file1", 000 [pid 5522] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5526] <... mkdir resumed>) = 0 [ 93.327740][ T5527] REISERFS (device loop4): Using r5 hash to sort names [ 93.329872][ T5529] REISERFS (device loop5): checking transaction log (loop5) [ 93.346765][ T5528] reiserfs: using flush barriers [ 93.353912][ T5527] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 93.354379][ T5529] REISERFS (device loop5): Using r5 hash to sort names [pid 5079] unlink("./18/cgroup.cpu" [pid 5526] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... unlink resumed>) = 0 [pid 5526] <... futex resumed>) = 1 [pid 5522] <... futex resumed>) = 0 [pid 5079] getdents64(3, [pid 5526] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5522] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5522] <... futex resumed>) = 0 [pid 5079] close(3 [pid 5526] mkdir("./bus", 000 [pid 5522] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... close resumed>) = 0 [pid 5526] <... mkdir resumed>) = 0 [pid 5079] rmdir("./18" [pid 5526] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... rmdir resumed>) = 0 [pid 5526] <... futex resumed>) = 1 [pid 5522] <... futex resumed>) = 0 [pid 5079] mkdir("./19", 0777 [pid 5526] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5522] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... mkdir resumed>) = 0 [pid 5526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5522] <... futex resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5526] mkdir("./file0", 000 [pid 5522] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... openat resumed>) = 3 [pid 5526] <... mkdir resumed>) = 0 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5526] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5526] <... futex resumed>) = 1 [pid 5522] <... futex resumed>) = 0 [pid 5079] close(3 [pid 5526] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5522] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... close resumed>) = 0 [pid 5526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5522] <... futex resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5536 attached [pid 5526] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5522] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5536] set_robust_list(0x5555565af5e0, 24 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 53 [pid 5536] <... set_robust_list resumed>) = 0 [pid 5536] chdir("./19") = 0 [ 93.385477][ T5527] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 93.408916][ T5528] 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 [ 93.427659][ T5526] overlayfs: upper fs needs to support d_type. [pid 5536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5536] setpgid(0, 0) = 0 [pid 5536] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5536] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5536] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5527] <... mount resumed>) = 0 [pid 5536] <... openat resumed>) = 3 [pid 5527] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5536] write(3, "1000", 4 [pid 5527] <... openat resumed>) = 3 [pid 5536] <... write resumed>) = 4 [pid 5527] chdir("./file0" [pid 5536] close(3 [pid 5527] <... chdir resumed>) = 0 [pid 5536] <... close resumed>) = 0 [pid 5527] ioctl(4, LOOP_CLR_FD [pid 5536] read(200, [pid 5527] <... ioctl resumed>) = 0 [pid 5536] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5527] close(4 [pid 5536] symlink("/dev/binderfs", "./binderfs" [pid 5527] <... close resumed>) = 0 [pid 5536] <... symlink resumed>) = 0 [pid 5527] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] <... futex resumed>) = 1 [pid 5523] <... futex resumed>) = 0 [pid 5536] <... futex resumed>) = 0 [pid 5527] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5523] <... futex resumed>) = 0 [pid 5536] <... mmap resumed>) = 0x7f87c84f0000 [pid 5527] mkdir("./file1", 000 [pid 5523] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5536] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5527] <... mkdir resumed>) = 0 [pid 5536] <... mprotect resumed>) = 0 [pid 5527] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5527] <... futex resumed>) = 1 [pid 5523] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5537 attached [pid 5527] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] set_robust_list(0x7f87c85109e0, 24 [pid 5536] <... clone resumed>, parent_tid=[54], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 54 [pid 5527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5523] <... futex resumed>) = 0 [pid 5537] <... set_robust_list resumed>) = 0 [pid 5536] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] mkdir("./bus", 000 [pid 5523] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5537] memfd_create("syzkaller", 0 [pid 5536] <... futex resumed>) = 0 [pid 5527] <... mkdir resumed>) = 0 [pid 5537] <... memfd_create resumed>) = 3 [pid 5536] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5527] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5527] <... futex resumed>) = 1 [ 93.434541][ T5526] overlayfs: upper fs does not support tmpfile. [ 93.473381][ T5526] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5523] <... futex resumed>) = 0 [pid 5537] <... mmap resumed>) = 0x7f87c00f0000 [pid 5535] <... write resumed>) = 4194304 [pid 5527] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5523] <... futex resumed>) = 0 [pid 5527] mkdir("./file0", 000 [pid 5523] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5527] <... mkdir resumed>) = 0 [pid 5527] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5523] <... futex resumed>) = 0 [pid 5535] munmap(0x7f87c00f0000, 4194304 [pid 5527] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5523] <... futex resumed>) = 0 [pid 5527] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5523] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5535] <... munmap resumed>) = 0 [pid 5522] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [ 93.506757][ T5529] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 93.524148][ T5528] REISERFS (device loop0): checking transaction log (loop0) [ 93.529828][ T5527] overlayfs: upper fs needs to support d_type. [ 93.536148][ T5529] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5535] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5529] <... mount resumed>) = 0 [pid 5522] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5522] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5538 attached [pid 5535] ioctl(4, LOOP_SET_FD, 3 [pid 5529] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5526] <... mount resumed>) = 0 [pid 5522] <... clone resumed>, parent_tid=[54], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 54 [pid 5526] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] <... futex resumed>) = 0 [pid 5522] <... futex resumed>) = 0 [pid 5526] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5522] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5538] set_robust_list(0x7f87c04ef9e0, 24 [pid 5535] <... ioctl resumed>) = 0 [pid 5529] chdir("./file0" [pid 5537] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5538] <... set_robust_list resumed>) = 0 [pid 5535] close(3 [pid 5529] <... chdir resumed>) = 0 [pid 5528] <... mount resumed>) = 0 [ 93.555141][ T5528] REISERFS (device loop0): Using r5 hash to sort names [ 93.564543][ T5528] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 93.576164][ T5527] overlayfs: upper fs does not support tmpfile. [ 93.588118][ T5535] loop3: detected capacity change from 0 to 8192 [ 93.595914][ T5528] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5538] mkdir(".", 0777 [pid 5535] <... close resumed>) = 0 [pid 5538] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5529] ioctl(4, LOOP_CLR_FD [pid 5535] mkdir("./file0", 0777 [pid 5528] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5538] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5535] <... mkdir resumed>) = 0 [pid 5529] <... ioctl resumed>) = 0 [pid 5528] <... openat resumed>) = 3 [pid 5527] <... mount resumed>) = 0 [pid 5523] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5523] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5523] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5523] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5539 attached [pid 5538] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5535] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5529] close(4 [pid 5528] chdir("./file0" [pid 5527] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] set_robust_list(0x7f87c04ef9e0, 24 [pid 5529] <... close resumed>) = 0 [pid 5523] <... clone resumed>, parent_tid=[56], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 56 [pid 5539] <... set_robust_list resumed>) = 0 [pid 5529] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] <... chdir resumed>) = 0 [pid 5527] <... futex resumed>) = 0 [pid 5523] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] mkdir(".", 0777 [pid 5529] <... futex resumed>) = 1 [pid 5528] ioctl(4, LOOP_CLR_FD [pid 5525] <... futex resumed>) = 0 [pid 5523] <... futex resumed>) = 0 [pid 5539] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5527] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 93.608398][ T5527] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 93.632719][ T5538] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5539] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5529] mkdir("./file1", 000 [pid 5528] <... ioctl resumed>) = 0 [pid 5525] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5538] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5522] <... futex resumed>) = 0 [pid 5538] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5522] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] <... futex resumed>) = 0 [pid 5522] <... futex resumed>) = 1 [pid 5526] unlink(NULL [pid 5522] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5526] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5526] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5522] <... futex resumed>) = 0 [pid 5526] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5522] close(3) = 0 [pid 5522] close(4) = -1 EBADF (Bad file descriptor) [pid 5522] close(5) = -1 EBADF (Bad file descriptor) [pid 5522] close(6 [pid 5528] close(4 [pid 5522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5528] <... close resumed>) = 0 [pid 5525] <... futex resumed>) = 0 [pid 5522] close(7 [pid 5529] <... mkdir resumed>) = 0 [pid 5528] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5529] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] <... futex resumed>) = 1 [pid 5524] <... futex resumed>) = 0 [pid 5522] close(8 [pid 5529] <... futex resumed>) = 1 [pid 5528] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5525] <... futex resumed>) = 0 [pid 5524] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5529] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5525] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] <... futex resumed>) = 0 [pid 5522] close(9 [pid 5529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5528] mkdir("./file1", 000 [pid 5525] <... futex resumed>) = 0 [pid 5524] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5529] mkdir("./bus", 000 [pid 5528] <... mkdir resumed>) = 0 [pid 5525] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] close(10 [pid 5529] <... mkdir resumed>) = 0 [pid 5528] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5522] close(11) = -1 EBADF (Bad file descriptor) [pid 5522] close(12) = -1 EBADF (Bad file descriptor) [pid 5522] close(13) = -1 EBADF (Bad file descriptor) [pid 5522] close(14) = -1 EBADF (Bad file descriptor) [pid 5522] close(15) = -1 EBADF (Bad file descriptor) [pid 5522] close(16) = -1 EBADF (Bad file descriptor) [pid 5522] close(17) = -1 EBADF (Bad file descriptor) [pid 5522] close(18) = -1 EBADF (Bad file descriptor) [pid 5529] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5528] <... futex resumed>) = 1 [pid 5525] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = 0 [pid 5522] close(19 [pid 5529] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5528] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5525] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5525] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = 0 [pid 5522] close(20 [pid 5529] mkdir("./file0", 000 [pid 5528] mkdir("./bus", 000 [pid 5525] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5524] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5529] <... mkdir resumed>) = 0 [pid 5528] <... mkdir resumed>) = 0 [pid 5522] close(21 [pid 5529] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5529] <... futex resumed>) = 1 [pid 5528] <... futex resumed>) = 1 [pid 5525] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = 0 [pid 5522] close(22 [pid 5529] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5522] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 93.659690][ T5535] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 93.686022][ T5539] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5522] close(23 [pid 5529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5528] mkdir("./file0", 000 [pid 5525] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 93.716971][ T5535] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 93.728184][ T5535] REISERFS (device loop3): using ordered data mode [ 93.735646][ T5535] reiserfs: using flush barriers [ 93.739972][ T5529] overlayfs: upper fs needs to support d_type. [pid 5529] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5528] <... mkdir resumed>) = 0 [pid 5525] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = 0 [pid 5539] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5528] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] close(24 [pid 5528] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5528] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5524] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5524] <... futex resumed>) = 0 [pid 5528] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5524] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5539] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5539] <... futex resumed>) = 1 [pid 5537] <... write resumed>) = 4194304 [pid 5523] <... futex resumed>) = 0 [ 93.749186][ T5535] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 93.762704][ T5528] overlayfs: upper fs needs to support d_type. [ 93.775826][ T5535] REISERFS (device loop3): checking transaction log (loop3) [ 93.794582][ T5535] REISERFS (device loop3): Using r5 hash to sort names [ 93.797632][ T5529] overlayfs: upper fs does not support tmpfile. [pid 5522] close(25 [pid 5539] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5537] munmap(0x7f87c00f0000, 4194304 [pid 5525] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5523] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5537] <... munmap resumed>) = 0 [pid 5535] <... mount resumed>) = 0 [pid 5523] <... futex resumed>) = 1 [pid 5522] close(26 [pid 5537] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5535] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5529] <... mount resumed>) = 0 [pid 5527] <... futex resumed>) = 0 [pid 5523] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5537] <... openat resumed>) = 4 [ 93.803855][ T5535] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 93.823889][ T5535] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 93.834962][ T5528] overlayfs: upper fs does not support tmpfile. [ 93.843003][ T5529] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 93.846179][ T5528] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5537] ioctl(4, LOOP_SET_FD, 3 [pid 5535] <... openat resumed>) = 3 [pid 5529] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] <... mount resumed>) = 0 [pid 5527] unlink(NULL [pid 5522] close(27 [pid 5535] chdir("./file0" [pid 5527] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5535] <... chdir resumed>) = 0 [pid 5527] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5522] close(28 [pid 5535] ioctl(4, LOOP_CLR_FD [pid 5529] <... futex resumed>) = 1 [pid 5527] <... futex resumed>) = 1 [pid 5525] <... futex resumed>) = 0 [pid 5523] <... futex resumed>) = 0 [pid 5522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5535] <... ioctl resumed>) = 0 [pid 5529] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5527] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5525] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] close(3 [pid 5522] close(29 [pid 5537] <... ioctl resumed>) = 0 [pid 5535] close(4 [pid 5529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5528] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... futex resumed>) = 0 [pid 5523] <... close resumed>) = 0 [pid 5522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5537] close(3 [pid 5535] <... close resumed>) = 0 [pid 5529] mkdir(".", 0777 [pid 5525] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5523] close(4 [pid 5522] exit_group(0 [pid 5538] <... futex resumed>) = ? [pid 5535] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5526] <... futex resumed>) = ? [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5522] <... exit_group resumed>) = ? [pid 5538] +++ exited with 0 +++ [pid 5537] <... close resumed>) = 0 [pid 5535] <... futex resumed>) = 1 [pid 5532] <... futex resumed>) = 0 [pid 5529] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5526] +++ exited with 0 +++ [pid 5523] close(5 [pid 5522] +++ exited with 0 +++ [pid 5537] mkdir("./file0", 0777 [pid 5535] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5532] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5523] close(6 [pid 5083] restart_syscall(<... resuming interrupted clone ...> [pid 5535] mkdir("./file1", 000 [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... restart_syscall resumed>) = 0 [pid 5537] <... mkdir resumed>) = 0 [pid 5535] <... mkdir resumed>) = 0 [pid 5532] <... futex resumed>) = 0 [pid 5523] close(7 [pid 5537] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5535] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5535] <... futex resumed>) = 0 [pid 5523] close(8 [ 93.862984][ T5537] loop1: detected capacity change from 0 to 8192 [pid 5083] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5535] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5523] close(9 [pid 5083] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... openat resumed>) = 3 [pid 5523] close(10 [pid 5083] fstat(3, [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5523] close(11 [pid 5083] getdents64(3, [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5523] close(12 [pid 5083] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5523] close(13 [pid 5083] lstat("./18/binderfs", [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5523] close(14 [pid 5083] unlink("./18/binderfs" [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 5523] close(15 [pid 5083] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5523] close(16 [pid 5083] lstat("./18/cgroup", [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5523] close(17 [pid 5083] unlink("./18/cgroup" [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 5523] close(18 [pid 5083] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5523] close(19 [pid 5083] lstat("./18/cgroup.net", [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5523] close(20 [pid 5083] unlink("./18/cgroup.net" [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 5523] close(21 [pid 5083] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5523] close(22) = -1 EBADF (Bad file descriptor) [pid 5523] close(23) = -1 EBADF (Bad file descriptor) [pid 5523] close(24 [pid 5532] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5523] close(25) = -1 EBADF (Bad file descriptor) [pid 5523] close(26) = -1 EBADF (Bad file descriptor) [pid 5523] close(27) = -1 EBADF (Bad file descriptor) [pid 5523] close(28) = -1 EBADF (Bad file descriptor) [pid 5523] close(29) = -1 EBADF (Bad file descriptor) [pid 5523] exit_group(0 [pid 5539] <... futex resumed>) = ? [pid 5527] <... futex resumed>) = ? [pid 5523] <... exit_group resumed>) = ? [pid 5539] +++ exited with 0 +++ [pid 5527] +++ exited with 0 +++ [pid 5523] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5080] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5080] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5080] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] unlink("./19/binderfs") = 0 [pid 5080] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5535] <... futex resumed>) = 0 [pid 5532] <... futex resumed>) = 1 [pid 5528] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5535] mkdir("./bus", 000 [pid 5532] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5528] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5524] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] lstat("./19/cgroup", [pid 5535] <... mkdir resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5535] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] unlink("./19/cgroup" [pid 5535] <... futex resumed>) = 1 [pid 5532] <... futex resumed>) = 0 [pid 5528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5524] <... futex resumed>) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5080] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./19/cgroup.net" [pid 5535] mkdir("./file0", 000 [pid 5532] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... unlink resumed>) = 0 [pid 5532] <... futex resumed>) = 0 [ 93.892203][ T5529] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 93.908252][ T5537] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5080] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5535] <... mkdir resumed>) = 0 [pid 5532] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5528] mkdir(".", 0777 [pid 5524] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5529] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5529] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5525] <... futex resumed>) = 0 [pid 5529] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5525] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5525] <... futex resumed>) = 0 [pid 5535] <... futex resumed>) = 1 [pid 5532] <... futex resumed>) = 0 [pid 5529] unlink(NULL [pid 5525] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5535] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5532] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5529] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5529] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5525] <... futex resumed>) = 0 [pid 5529] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5525] close(3) = 0 [pid 5532] <... futex resumed>) = 0 [pid 5525] close(4 [pid 5532] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5525] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5525] close(5) = -1 EBADF (Bad file descriptor) [pid 5525] close(6) = -1 EBADF (Bad file descriptor) [pid 5525] close(7) = -1 EBADF (Bad file descriptor) [pid 5525] close(8) = -1 EBADF (Bad file descriptor) [pid 5525] close(9) = -1 EBADF (Bad file descriptor) [pid 5525] close(10) = -1 EBADF (Bad file descriptor) [pid 5525] close(11) = -1 EBADF (Bad file descriptor) [pid 5525] close(12) = -1 EBADF (Bad file descriptor) [pid 5525] close(13) = -1 EBADF (Bad file descriptor) [pid 5525] close(14) = -1 EBADF (Bad file descriptor) [pid 5525] close(15) = -1 EBADF (Bad file descriptor) [pid 5525] close(16) = -1 EBADF (Bad file descriptor) [pid 5525] close(17) = -1 EBADF (Bad file descriptor) [pid 5525] close(18) = -1 EBADF (Bad file descriptor) [pid 5525] close(19) = -1 EBADF (Bad file descriptor) [pid 5525] close(20) = -1 EBADF (Bad file descriptor) [pid 5525] close(21) = -1 EBADF (Bad file descriptor) [pid 5525] close(22) = -1 EBADF (Bad file descriptor) [pid 5525] close(23) = -1 EBADF (Bad file descriptor) [pid 5525] close(24) = -1 EBADF (Bad file descriptor) [pid 5525] close(25) = -1 EBADF (Bad file descriptor) [pid 5525] close(26) = -1 EBADF (Bad file descriptor) [pid 5525] close(27) = -1 EBADF (Bad file descriptor) [pid 5525] close(28) = -1 EBADF (Bad file descriptor) [pid 5525] close(29) = -1 EBADF (Bad file descriptor) [pid 5525] exit_group(0 [pid 5529] <... futex resumed>) = ? [pid 5525] <... exit_group resumed>) = ? [pid 5529] +++ exited with 0 +++ [pid 5528] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5525] +++ exited with 0 +++ [pid 5528] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5082] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5082] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5082] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5082] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] unlink("./19/binderfs") = 0 [pid 5082] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] unlink("./19/cgroup") = 0 [ 93.944389][ T5535] overlayfs: upper fs needs to support d_type. [ 93.956488][ T5537] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 5082] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./19/cgroup.net") = 0 [pid 5082] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5532] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 93.992862][ T5535] overlayfs: upper fs does not support tmpfile. [ 93.999250][ T5528] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 94.007303][ T5535] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5532] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5535] <... mount resumed>) = 0 [pid 5535] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5535] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5532] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5532] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5542 attached [pid 5542] set_robust_list(0x7f87c04ef9e0, 24 [pid 5532] <... clone resumed>, parent_tid=[59], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 59 [pid 5532] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] <... set_robust_list resumed>) = 0 [pid 5532] <... futex resumed>) = 0 [pid 5542] mkdir(".", 0777 [pid 5532] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5542] <... mkdir resumed>) = -1 EEXIST (File exists) [ 94.049318][ T5537] REISERFS (device loop1): using ordered data mode [ 94.059965][ T5537] reiserfs: using flush barriers [pid 5542] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5528] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 94.120812][ T5542] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5528] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5528] <... futex resumed>) = 1 [pid 5524] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = 0 [pid 5080] <... umount2 resumed>) = 0 [pid 5542] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] unlink(NULL [pid 5524] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5542] <... futex resumed>) = 1 [pid 5532] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5524] <... futex resumed>) = 0 [pid 5528] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5542] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5532] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5528] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] lstat("./18/file0", [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5532] <... futex resumed>) = 1 [pid 5528] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5532] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5528] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5524] close(3 [pid 5083] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] lstat("./19/file0", [pid 5524] <... close resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5524] close(4 [pid 5083] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] <... openat resumed>) = 4 [pid 5524] close(5 [pid 5083] fstat(4, [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5524] close(6 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5524] close(7 [pid 5083] getdents64(4, [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5524] close(8 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] getdents64(4, [pid 5524] close(9 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5535] <... futex resumed>) = 0 [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(4 [pid 5082] <... umount2 resumed>) = 0 [pid 5080] <... openat resumed>) = 4 [pid 5535] unlink(NULL [pid 5524] close(10 [pid 5083] <... close resumed>) = 0 [pid 5080] fstat(4, [pid 5535] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] rmdir("./18/file0" [pid 5082] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5535] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] close(11 [pid 5083] <... rmdir resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] getdents64(4, [pid 5535] <... futex resumed>) = 1 [pid 5532] <... futex resumed>) = 0 [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [ 94.146314][ T5537] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 94.188891][ T5537] REISERFS (device loop1): checking transaction log (loop1) [ 94.206482][ T5537] REISERFS (device loop1): Using r5 hash to sort names [pid 5082] lstat("./19/file0", [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5535] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5532] close(3 [pid 5524] close(12 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5532] <... close resumed>) = 0 [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./18/cgroup.cpu", [pid 5080] getdents64(4, [pid 5532] close(4 [pid 5524] close(13 [pid 5082] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] close(4 [pid 5524] close(14 [pid 5532] close(5 [pid 5083] unlink("./18/cgroup.cpu" [pid 5082] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... close resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5082] <... openat resumed>) = 4 [pid 5080] rmdir("./19/file0" [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] fstat(4, [pid 5537] <... mount resumed>) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 5524] close(15 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5532] close(6 [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] getdents64(3, [pid 5082] getdents64(4, [pid 5080] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5537] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5524] close(16 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] getdents64(4, [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5532] close(7 [pid 5524] close(17 [pid 5083] close(3 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./19/cgroup.cpu", [pid 5532] close(8 [pid 5524] close(18 [pid 5083] <... close resumed>) = 0 [pid 5082] close(4 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] rmdir("./18" [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5532] close(9 [pid 5524] close(19 [pid 5082] <... close resumed>) = 0 [pid 5537] <... openat resumed>) = 3 [pid 5537] chdir("./file0") = 0 [pid 5083] <... rmdir resumed>) = 0 [pid 5082] rmdir("./19/file0" [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./19/cgroup.cpu" [pid 5537] ioctl(4, LOOP_CLR_FD [pid 5082] <... rmdir resumed>) = 0 [pid 5532] close(10 [pid 5524] close(20 [pid 5537] <... ioctl resumed>) = 0 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... unlink resumed>) = 0 [pid 5537] close(4 [pid 5532] close(11 [pid 5524] close(21 [pid 5083] mkdir("./19", 0777 [pid 5082] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] getdents64(3, [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5537] <... close resumed>) = 0 [pid 5537] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5536] <... futex resumed>) = 0 [pid 5537] mkdir("./file1", 000 [pid 5536] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] <... mkdir resumed>) = 0 [pid 5536] <... futex resumed>) = 0 [pid 5537] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5537] <... futex resumed>) = 0 [pid 5536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5537] mkdir("./bus", 000 [pid 5536] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] <... mkdir resumed>) = 0 [pid 5536] <... futex resumed>) = 0 [pid 5537] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5537] <... futex resumed>) = 0 [pid 5536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5537] mkdir("./file0", 000 [pid 5536] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] <... mkdir resumed>) = 0 [pid 5536] <... futex resumed>) = 0 [pid 5537] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5537] <... futex resumed>) = 0 [pid 5536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5537] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5536] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5532] close(12 [pid 5524] close(22 [pid 5083] <... mkdir resumed>) = 0 [pid 5082] lstat("./19/cgroup.cpu", [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 94.217058][ T5537] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 94.239041][ T5537] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5536] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5532] close(13 [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] close(3 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] close(23 [pid 5083] <... openat resumed>) = 3 [pid 5082] unlink("./19/cgroup.cpu" [pid 5080] <... close resumed>) = 0 [pid 5532] close(14 [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5082] <... unlink resumed>) = 0 [pid 5080] rmdir("./19" [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] close(24 [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5082] getdents64(3, [pid 5080] <... rmdir resumed>) = 0 [pid 5532] close(15 [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(3 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] mkdir("./20", 0777 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] close(25 [pid 5083] <... close resumed>) = 0 [pid 5082] close(3 [pid 5080] <... mkdir resumed>) = 0 [pid 5532] close(16 [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] close(26 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5524] close(27./strace-static-x86_64: Process 5543 attached [pid 5532] close(17 [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] rmdir("./19" [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5543] set_robust_list(0x5555565af5e0, 24 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] close(28 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 55 [pid 5543] <... set_robust_list resumed>) = 0 [pid 5543] chdir("./19" [pid 5082] <... rmdir resumed>) = 0 [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... openat resumed>) = 3 [pid 5532] close(18 [pid 5543] <... chdir resumed>) = 0 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5524] close(29 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5543] setpgid(0, 0 [pid 5532] close(19 [pid 5524] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5532] close(20 [pid 5524] exit_group(0 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] mkdir("./20", 0777 [pid 5080] close(3 [pid 5532] close(21 [pid 5528] <... futex resumed>) = ? [pid 5524] <... exit_group resumed>) = ? [pid 5543] <... setpgid resumed>) = 0 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = 0 [pid 5543] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5543] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5528] +++ exited with 0 +++ [pid 5543] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5543] write(3, "1000", 4) = 4 [pid 5543] close(3) = 0 [pid 5543] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5543] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5543] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5543] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5543] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5544 attached [pid 5544] set_robust_list(0x7f87c85109e0, 24 [pid 5543] <... clone resumed>, parent_tid=[56], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 56 [pid 5544] <... set_robust_list resumed>) = 0 [pid 5543] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5544] memfd_create("syzkaller", 0 [pid 5543] <... futex resumed>) = 0 [pid 5544] <... memfd_create resumed>) = 3 [pid 5543] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5544] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5532] close(22 [pid 5524] +++ exited with 0 +++ [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5078] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5082] <... mkdir resumed>) = 0 [pid 5078] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5545 attached [pid 5532] close(23 [pid 5078] getdents64(3, [pid 5545] set_robust_list(0x5555565af5e0, 24 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5545] <... set_robust_list resumed>) = 0 [pid 5532] close(24 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 57 [pid 5078] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5545] chdir("./20" [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5545] <... chdir resumed>) = 0 [pid 5078] lstat("./18/binderfs", [pid 5545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5532] close(25 [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5545] <... prctl resumed>) = 0 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] unlink("./18/binderfs" [pid 5545] setpgid(0, 0 [pid 5532] close(26 [pid 5082] close(3 [pid 5078] <... unlink resumed>) = 0 [pid 5545] <... setpgid resumed>) = 0 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5078] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [ 94.279732][ T5537] overlayfs: upper fs needs to support d_type. [ 94.291165][ T5537] overlayfs: upper fs does not support tmpfile. [ 94.305464][ T5537] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5545] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5532] close(27 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5546 attached [pid 5545] <... symlink resumed>) = 0 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./18/cgroup", [pid 5546] set_robust_list(0x5555565af5e0, 24 [pid 5545] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5532] close(28 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 59 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5546] <... set_robust_list resumed>) = 0 [pid 5545] <... symlink resumed>) = 0 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./18/cgroup" [pid 5546] chdir("./20" [pid 5545] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5532] close(29 [pid 5078] <... unlink resumed>) = 0 [pid 5546] <... chdir resumed>) = 0 [pid 5545] <... symlink resumed>) = 0 [pid 5532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5536] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5532] exit_group(0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5546] <... prctl resumed>) = 0 [pid 5545] <... openat resumed>) = 3 [pid 5542] <... futex resumed>) = ? [pid 5537] <... mount resumed>) = 0 [pid 5536] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... futex resumed>) = ? [pid 5532] <... exit_group resumed>) = ? [pid 5078] lstat("./18/cgroup.net", [pid 5546] setpgid(0, 0 [pid 5545] write(3, "1000", 4 [pid 5542] +++ exited with 0 +++ [pid 5536] <... futex resumed>) = 0 [pid 5535] +++ exited with 0 +++ [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5546] <... setpgid resumed>) = 0 [pid 5545] <... write resumed>) = 4 [pid 5536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] unlink("./18/cgroup.net" [pid 5546] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5545] close(3 [pid 5536] <... mmap resumed>) = 0x7f87c04cf000 [pid 5532] +++ exited with 0 +++ [pid 5078] <... unlink resumed>) = 0 [pid 5546] <... symlink resumed>) = 0 [pid 5545] <... close resumed>) = 0 [pid 5536] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5078] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5546] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5545] read(200, [pid 5536] <... mprotect resumed>) = 0 [pid 5081] restart_syscall(<... resuming interrupted clone ...> [pid 5546] <... symlink resumed>) = 0 [pid 5545] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] <... restart_syscall resumed>) = 0 [pid 5546] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5545] symlink("/dev/binderfs", "./binderfs" [pid 5536] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5547 attached [pid 5546] <... symlink resumed>) = 0 [pid 5545] <... symlink resumed>) = 0 [pid 5547] set_robust_list(0x7f87c04ef9e0, 24 [pid 5546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5545] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] <... clone resumed>, parent_tid=[55], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 55 [pid 5081] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5547] <... set_robust_list resumed>) = 0 [pid 5546] <... openat resumed>) = 3 [pid 5545] <... futex resumed>) = 0 [pid 5537] <... futex resumed>) = 0 [pid 5536] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5547] mkdir(".", 0777 [pid 5546] write(3, "1000", 4 [pid 5545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5537] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5536] <... futex resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5547] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5546] <... write resumed>) = 4 [pid 5545] <... mmap resumed>) = 0x7f87c84f0000 [pid 5536] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5547] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5546] close(3 [pid 5545] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5546] <... close resumed>) = 0 [pid 5545] <... mprotect resumed>) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5546] read(200, [pid 5545] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5546] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5546] symlink("/dev/binderfs", "./binderfs" [pid 5545] <... clone resumed>, parent_tid=[58], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 58 ./strace-static-x86_64: Process 5548 attached [pid 5546] <... symlink resumed>) = 0 [pid 5544] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5081] fstat(3, [pid 5548] set_robust_list(0x7f87c85109e0, 24 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5548] <... set_robust_list resumed>) = 0 [pid 5081] getdents64(3, [pid 5548] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] unlink("./19/binderfs") = 0 [pid 5081] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] unlink("./19/cgroup") = 0 [pid 5081] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./19/cgroup.net" [pid 5545] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... unlink resumed>) = 0 [pid 5548] <... futex resumed>) = 0 [pid 5546] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... futex resumed>) = 1 [pid 5081] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5548] memfd_create("syzkaller", 0 [pid 5546] <... futex resumed>) = 0 [pid 5545] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5548] <... memfd_create resumed>) = 3 [pid 5546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5548] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5546] <... mmap resumed>) = 0x7f87c84f0000 [pid 5546] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5546] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5550 attached [pid 5550] set_robust_list(0x7f87c85109e0, 24 [pid 5546] <... clone resumed>, parent_tid=[60], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 60 [pid 5550] <... set_robust_list resumed>) = 0 [pid 5546] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] memfd_create("syzkaller", 0 [pid 5546] <... futex resumed>) = 0 [pid 5550] <... memfd_create resumed>) = 3 [pid 5546] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5550] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 94.423835][ T5547] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5078] <... umount2 resumed>) = 0 [pid 5078] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./18/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5078] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] close(4) = 0 [pid 5078] rmdir("./18/file0" [pid 5550] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5078] <... rmdir resumed>) = 0 [pid 5547] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5547] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5536] <... futex resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5547] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5536] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] lstat("./18/cgroup.cpu", [pid 5537] <... futex resumed>) = 0 [pid 5536] <... futex resumed>) = 1 [pid 5081] <... umount2 resumed>) = 0 [pid 5537] unlink(NULL [pid 5536] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5537] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./18/cgroup.cpu" [pid 5537] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] lstat("./19/file0", [pid 5537] <... futex resumed>) = 1 [pid 5536] <... futex resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5537] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5536] close(3 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(3, [pid 5536] <... close resumed>) = 0 [pid 5536] close(4 [pid 5081] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] close(3 [pid 5536] close(5) = -1 EBADF (Bad file descriptor) [pid 5081] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... close resumed>) = 0 [pid 5536] close(6) = -1 EBADF (Bad file descriptor) [pid 5081] <... openat resumed>) = 4 [pid 5078] rmdir("./18" [pid 5536] close(7 [pid 5081] fstat(4, [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... rmdir resumed>) = 0 [pid 5536] close(8 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] mkdir("./19", 0777 [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(4, [pid 5536] close(9 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] <... mkdir resumed>) = 0 [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5536] close(10 [pid 5081] getdents64(4, [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5536] close(11 [pid 5078] <... openat resumed>) = 3 [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(4 [pid 5536] close(12 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5081] <... close resumed>) = 0 [pid 5548] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5081] rmdir("./19/file0" [pid 5536] close(13 [pid 5078] close(3 [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... rmdir resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5536] close(14) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5536] close(15./strace-static-x86_64: Process 5552 attached ) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5552] set_robust_list(0x5555565af5e0, 24 [pid 5536] close(16) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./19/cgroup.cpu", [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 55 [pid 5536] close(17 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] unlink("./19/cgroup.cpu" [pid 5536] close(18 [pid 5552] <... set_robust_list resumed>) = 0 [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... unlink resumed>) = 0 [pid 5552] chdir("./19" [pid 5536] close(19 [pid 5081] getdents64(3, [pid 5552] <... chdir resumed>) = 0 [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5536] close(20 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5552] <... prctl resumed>) = 0 [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5552] setpgid(0, 0 [pid 5536] close(21 [pid 5081] close(3 [pid 5552] <... setpgid resumed>) = 0 [pid 5544] <... write resumed>) = 4194304 [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 5552] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5536] close(22 [pid 5081] rmdir("./19" [pid 5552] <... symlink resumed>) = 0 [pid 5552] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5552] <... symlink resumed>) = 0 [pid 5536] close(23 [pid 5081] <... rmdir resumed>) = 0 [pid 5552] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5552] <... symlink resumed>) = 0 [pid 5550] <... write resumed>) = 4194304 [pid 5081] mkdir("./20", 0777 [pid 5552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5536] close(24 [pid 5081] <... mkdir resumed>) = 0 [pid 5552] write(3, "1000", 4 [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5552] <... write resumed>) = 4 [pid 5536] close(25 [pid 5552] close(3 [pid 5544] munmap(0x7f87c00f0000, 4194304 [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... openat resumed>) = 3 [pid 5552] <... close resumed>) = 0 [pid 5550] munmap(0x7f87c00f0000, 4194304 [pid 5544] <... munmap resumed>) = 0 [pid 5536] close(26 [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5552] read(200, [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5552] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5544] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5552] symlink("/dev/binderfs", "./binderfs" [pid 5550] <... munmap resumed>) = 0 [pid 5544] <... openat resumed>) = 4 [pid 5536] close(27 [pid 5081] close(3 [pid 5552] <... symlink resumed>) = 0 [pid 5550] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5544] ioctl(4, LOOP_SET_FD, 3 [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5552] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... close resumed>) = 0 [pid 5552] <... futex resumed>) = 0 [pid 5550] <... openat resumed>) = 4 [pid 5536] close(28 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5552] <... mmap resumed>) = 0x7f87c84f0000 [pid 5536] close(29./strace-static-x86_64: Process 5553 attached [pid 5552] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5550] ioctl(4, LOOP_SET_FD, 3 [pid 5536] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5552] <... mprotect resumed>) = 0 [pid 5536] exit_group(0 [pid 5552] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5547] <... futex resumed>) = ? [pid 5537] <... futex resumed>) = ? [pid 5536] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5554 attached [pid 5547] +++ exited with 0 +++ [pid 5537] +++ exited with 0 +++ [pid 5536] +++ exited with 0 +++ [pid 5554] set_robust_list(0x7f87c85109e0, 24 [pid 5552] <... clone resumed>, parent_tid=[56], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 56 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} --- [pid 5554] <... set_robust_list resumed>) = 0 [pid 5552] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] memfd_create("syzkaller", 0 [pid 5552] <... futex resumed>) = 0 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 60 [pid 5554] <... memfd_create resumed>) = 3 [pid 5553] set_robust_list(0x5555565af5e0, 24 [pid 5552] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5554] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5553] <... set_robust_list resumed>) = 0 [pid 5554] <... mmap resumed>) = 0x7f87c00f0000 [pid 5553] chdir("./20") = 0 [pid 5550] <... ioctl resumed>) = 0 [pid 5079] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5550] close(3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5553] <... prctl resumed>) = 0 [pid 5550] <... close resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5553] setpgid(0, 0 [pid 5550] mkdir("./file0", 0777 [pid 5079] <... openat resumed>) = 3 [pid 5553] <... setpgid resumed>) = 0 [pid 5550] <... mkdir resumed>) = 0 [pid 5079] fstat(3, [pid 5553] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5550] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5553] <... symlink resumed>) = 0 [pid 5079] getdents64(3, [pid 5553] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5544] <... ioctl resumed>) = 0 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5553] <... symlink resumed>) = 0 [pid 5544] close(3 [pid 5079] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5553] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5544] <... close resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5553] <... symlink resumed>) = 0 [pid 5544] mkdir("./file0", 0777 [pid 5079] lstat("./19/binderfs", [pid 5553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5544] <... mkdir resumed>) = 0 [ 94.686555][ T5544] loop2: detected capacity change from 0 to 8192 [ 94.702200][ T5550] loop5: detected capacity change from 0 to 8192 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5544] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5079] unlink("./19/binderfs") = 0 [pid 5079] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] unlink("./19/cgroup") = 0 [pid 5079] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./19/cgroup.net") = 0 [pid 5079] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5553] <... openat resumed>) = 3 [pid 5553] write(3, "1000", 4 [pid 5548] <... write resumed>) = 4194304 [pid 5548] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5548] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 94.743143][ T5550] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 94.771037][ T5550] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5548] ioctl(4, LOOP_SET_FD, 3 [pid 5554] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5553] <... write resumed>) = 4 [pid 5548] <... ioctl resumed>) = 0 [ 94.787792][ T5548] loop4: detected capacity change from 0 to 8192 [ 94.794123][ T5550] REISERFS (device loop5): using ordered data mode [ 94.797612][ T5544] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 94.827901][ T5544] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5553] close(3 [pid 5548] close(3 [pid 5553] <... close resumed>) = 0 [pid 5548] <... close resumed>) = 0 [pid 5553] read(200, [pid 5548] mkdir("./file0", 0777 [pid 5553] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5548] <... mkdir resumed>) = 0 [pid 5553] symlink("/dev/binderfs", "./binderfs" [pid 5548] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5553] <... symlink resumed>) = 0 [ 94.843569][ T5544] REISERFS (device loop2): using ordered data mode [ 94.851344][ T5544] reiserfs: using flush barriers [ 94.857812][ T5548] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 94.858101][ T5550] reiserfs: using flush barriers [pid 5553] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5553] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5553] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5559 attached [pid 5559] set_robust_list(0x7f87c85109e0, 24 [pid 5553] <... clone resumed>, parent_tid=[61], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 61 [pid 5559] <... set_robust_list resumed>) = 0 [pid 5553] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] memfd_create("syzkaller", 0 [pid 5553] <... futex resumed>) = 0 [pid 5559] <... memfd_create resumed>) = 3 [pid 5553] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 94.876939][ T5544] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 94.900304][ T5550] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 94.900717][ T5550] REISERFS (device loop5): checking transaction log (loop5) [pid 5559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 94.902865][ T5550] REISERFS (device loop5): Using r5 hash to sort names [pid 5554] <... write resumed>) = 4194304 [pid 5554] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5554] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5559] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5554] <... openat resumed>) = 4 [ 94.992286][ T5550] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 95.011999][ T5548] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 95.031565][ T5548] REISERFS (device loop4): using ordered data mode [pid 5554] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... umount2 resumed>) = 0 [pid 5079] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./19/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] close(4) = 0 [pid 5079] rmdir("./19/file0") = 0 [pid 5079] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./19/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./19/cgroup.cpu") = 0 [pid 5079] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] close(3 [pid 5550] <... mount resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5079] rmdir("./19") = 0 [pid 5079] mkdir("./20", 0777) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5550] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5550] chdir("./file0") = 0 [ 95.042128][ T5550] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 95.042368][ T5554] loop0: detected capacity change from 0 to 8192 [ 95.071437][ T5548] reiserfs: using flush barriers [pid 5550] ioctl(4, LOOP_CLR_FD) = 0 [pid 5550] close(4) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] close(3) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565af5d0) = 56 [pid 5550] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5560 attached [pid 5554] <... ioctl resumed>) = 0 [pid 5546] <... futex resumed>) = 0 [pid 5550] <... futex resumed>) = 1 [pid 5560] set_robust_list(0x5555565af5e0, 24 [pid 5554] close(3 [pid 5550] mkdir("./file1", 000 [pid 5546] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... set_robust_list resumed>) = 0 [pid 5554] <... close resumed>) = 0 [ 95.085338][ T5548] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 95.117941][ T5548] REISERFS (device loop4): checking transaction log (loop4) [pid 5546] <... futex resumed>) = 0 [pid 5554] mkdir("./file0", 0777 [pid 5550] <... mkdir resumed>) = 0 [pid 5560] chdir("./20" [pid 5554] <... mkdir resumed>) = 0 [pid 5550] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5560] <... chdir resumed>) = 0 [pid 5554] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5550] <... futex resumed>) = 0 [pid 5546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 95.131101][ T5544] REISERFS (device loop2): checking transaction log (loop2) [ 95.150942][ T5548] REISERFS (device loop4): Using r5 hash to sort names [ 95.171493][ T5544] REISERFS (device loop2): Using r5 hash to sort names [pid 5560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5559] <... write resumed>) = 4194304 [pid 5550] mkdir("./bus", 000 [ 95.180963][ T5548] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 95.188231][ T5554] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5546] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] setpgid(0, 0 [pid 5559] munmap(0x7f87c00f0000, 4194304 [pid 5550] <... mkdir resumed>) = 0 [pid 5548] <... mount resumed>) = 0 [pid 5546] <... futex resumed>) = 0 [pid 5560] <... setpgid resumed>) = 0 [pid 5559] <... munmap resumed>) = 0 [pid 5550] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5548] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5560] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5550] <... futex resumed>) = 0 [pid 5548] <... openat resumed>) = 3 [pid 5546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] <... symlink resumed>) = 0 [pid 5550] mkdir("./file0", 000 [pid 5546] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5548] chdir("./file0" [pid 5546] <... futex resumed>) = 0 [pid 5546] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5550] <... mkdir resumed>) = 0 [pid 5548] <... chdir resumed>) = 0 [pid 5560] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5559] <... openat resumed>) = 4 [pid 5550] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 95.210740][ T5548] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 95.238516][ T5544] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 95.250824][ T5554] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5548] ioctl(4, LOOP_CLR_FD [pid 5560] <... symlink resumed>) = 0 [pid 5559] ioctl(4, LOOP_SET_FD, 3 [pid 5546] <... futex resumed>) = 0 [pid 5550] <... futex resumed>) = 1 [pid 5548] <... ioctl resumed>) = 0 [pid 5560] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5546] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5548] close(4 [pid 5546] <... futex resumed>) = 0 [pid 5560] <... symlink resumed>) = 0 [pid 5546] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5559] <... ioctl resumed>) = 0 [pid 5548] <... close resumed>) = 0 [pid 5560] <... openat resumed>) = 3 [pid 5559] close(3 [pid 5548] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] write(3, "1000", 4 [pid 5559] <... close resumed>) = 0 [pid 5548] <... futex resumed>) = 1 [pid 5545] <... futex resumed>) = 0 [pid 5560] <... write resumed>) = 4 [pid 5545] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] close(3 [pid 5545] <... futex resumed>) = 0 [pid 5560] <... close resumed>) = 0 [pid 5545] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5560] read(200, [pid 5559] mkdir("./file0", 0777 [pid 5548] mkdir("./file1", 000 [pid 5560] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5560] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [ 95.287838][ T5554] REISERFS (device loop0): using ordered data mode [ 95.300837][ T5559] loop3: detected capacity change from 0 to 8192 [ 95.311010][ T5550] overlayfs: upper fs needs to support d_type. [ 95.324448][ T5554] reiserfs: using flush barriers [pid 5560] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5559] <... mkdir resumed>) = 0 [pid 5548] <... mkdir resumed>) = 0 [pid 5560] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[57], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 57 [pid 5560] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5560] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5559] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5545] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5548] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5562 attached [pid 5546] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 95.332495][ T5544] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 95.351826][ T5554] 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 5562] set_robust_list(0x7f87c85109e0, 24 [pid 5548] <... futex resumed>) = 0 [pid 5546] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] <... set_robust_list resumed>) = 0 [pid 5548] mkdir("./bus", 000 [pid 5546] <... futex resumed>) = 0 [pid 5545] <... futex resumed>) = 0 [pid 5562] memfd_create("syzkaller", 0 [pid 5548] <... mkdir resumed>) = 0 [pid 5546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5545] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5562] <... memfd_create resumed>) = 3 [pid 5548] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5548] <... futex resumed>) = 1 [pid 5545] <... futex resumed>) = 0 [pid 5562] <... mmap resumed>) = 0x7f87c00f0000 [pid 5548] mkdir("./file0", 000 [pid 5545] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5544] <... mount resumed>) = 0 [pid 5544] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5544] chdir("./file0") = 0 [pid 5544] ioctl(4, LOOP_CLR_FD) = 0 [pid 5544] close(4 [pid 5545] <... futex resumed>) = 0 [pid 5548] <... mkdir resumed>) = 0 [pid 5545] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5544] <... close resumed>) = 0 [pid 5544] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5543] <... futex resumed>) = 0 [pid 5544] mkdir("./file1", 000 [pid 5543] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5545] <... futex resumed>) = 0 [pid 5544] <... mkdir resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 5548] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5545] <... futex resumed>) = 0 [pid 5548] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 95.381459][ T5550] overlayfs: upper fs does not support tmpfile. [ 95.404155][ T5550] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 95.414518][ T5559] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5545] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5544] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5544] <... futex resumed>) = 0 [pid 5543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5544] mkdir("./bus", 000 [pid 5543] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5544] <... mkdir resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 5544] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5544] <... futex resumed>) = 0 [pid 5543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5544] mkdir("./file0", 000 [pid 5543] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5544] <... mkdir resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 5544] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5543] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5543] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5544] <... futex resumed>) = 1 [pid 5543] <... futex resumed>) = 0 [pid 5544] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5543] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} [pid 5550] <... mount resumed>) = 0 [pid 5550] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5550] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] <... mmap resumed>) = 0x7f87c04cf000 [pid 5546] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5546] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[61], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 61 [ 95.445339][ T5554] REISERFS (device loop0): checking transaction log (loop0) [ 95.447780][ T5548] overlayfs: upper fs needs to support d_type. [pid 5546] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5564 attached [pid 5546] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5564] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 5564] mkdir(".", 0777) = -1 EEXIST (File exists) [ 95.487694][ T5544] overlayfs: upper fs needs to support d_type. [ 95.502436][ T5559] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 95.540961][ T5564] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 95.544109][ T5548] overlayfs: upper fs does not support tmpfile. [ 95.577824][ T5559] REISERFS (device loop3): using ordered data mode [pid 5564] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5543] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5545] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 95.578395][ T5544] overlayfs: upper fs does not support tmpfile. [ 95.592234][ T5554] REISERFS (device loop0): Using r5 hash to sort names [ 95.604782][ T5548] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 95.627432][ T5559] reiserfs: using flush barriers [pid 5562] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5543] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5545] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5545] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[59], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 59 [pid 5545] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 95.631197][ T5544] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5545] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5543] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5566 attached [pid 5564] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5548] <... mount resumed>) = 0 [pid 5544] <... mount resumed>) = 0 [pid 5566] set_robust_list(0x7f87c04ef9e0, 24 [pid 5548] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5544] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5566] <... set_robust_list resumed>) = 0 [pid 5548] <... futex resumed>) = 0 [pid 5544] <... futex resumed>) = 0 [pid 5566] mkdir(".", 0777 [pid 5548] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5544] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] <... futex resumed>) = 0 [pid 5543] <... mmap resumed>) = 0x7f87c04cf000 [pid 5566] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5564] <... futex resumed>) = 1 [pid 5546] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5566] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5564] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5550] <... futex resumed>) = 0 [pid 5546] <... futex resumed>) = 1 [pid 5543] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5543] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[57], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 57 [pid 5543] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 95.666382][ T5559] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 95.676134][ T5554] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 95.720618][ T5554] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5543] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5567 attached [pid 5550] unlink(NULL [pid 5546] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5562] <... write resumed>) = 4194304 [pid 5562] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5562] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5562] ioctl(4, LOOP_SET_FD, 3 [pid 5567] set_robust_list(0x7f87c04ef9e0, 24 [pid 5566] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5554] <... mount resumed>) = 0 [pid 5550] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5567] <... set_robust_list resumed>) = 0 [pid 5566] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5550] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] mkdir(".", 0777 [pid 5566] <... futex resumed>) = 1 [pid 5545] <... futex resumed>) = 0 [pid 5554] <... openat resumed>) = 3 [pid 5546] <... futex resumed>) = 0 [pid 5550] <... futex resumed>) = 1 [pid 5567] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5566] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5550] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] close(3 [pid 5545] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5554] chdir("./file0" [pid 5548] <... futex resumed>) = 0 [pid 5546] <... close resumed>) = 0 [pid 5545] <... futex resumed>) = 1 [pid 5554] <... chdir resumed>) = 0 [pid 5548] unlink(NULL [pid 5545] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5554] ioctl(4, LOOP_CLR_FD [pid 5546] close(4 [pid 5548] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5554] <... ioctl resumed>) = 0 [pid 5548] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 95.734358][ T5559] REISERFS (device loop3): checking transaction log (loop3) [ 95.741874][ T5566] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 95.767011][ T5562] loop1: detected capacity change from 0 to 8192 [ 95.772683][ T5559] REISERFS (device loop3): Using r5 hash to sort names [pid 5546] close(5 [pid 5554] close(4 [pid 5548] <... futex resumed>) = 1 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... futex resumed>) = 0 [pid 5554] <... close resumed>) = 0 [pid 5548] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] close(6 [pid 5545] close(3 [pid 5554] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = 0 [pid 5562] <... ioctl resumed>) = 0 [pid 5562] close(3) = 0 [pid 5554] <... futex resumed>) = 1 [pid 5552] <... futex resumed>) = 0 [pid 5567] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5554] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [ 95.804728][ T5567] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 95.831497][ T5559] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5546] close(7 [pid 5545] close(4 [pid 5562] mkdir("./file0", 0777 [pid 5552] <... futex resumed>) = 0 [pid 5562] <... mkdir resumed>) = 0 [pid 5552] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5562] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5567] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5567] <... futex resumed>) = 1 [pid 5559] <... mount resumed>) = 0 [pid 5554] mkdir("./file1", 000 [pid 5546] close(8 [pid 5545] close(5 [pid 5543] <... futex resumed>) = 0 [pid 5567] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5559] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5554] <... mkdir resumed>) = 0 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] <... openat resumed>) = 3 [pid 5554] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] close(9 [pid 5545] close(6 [pid 5544] <... futex resumed>) = 0 [pid 5543] <... futex resumed>) = 1 [pid 5559] chdir("./file0" [pid 5554] <... futex resumed>) = 1 [pid 5552] <... futex resumed>) = 0 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5544] unlink(NULL [pid 5559] <... chdir resumed>) = 0 [pid 5554] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5546] close(10 [pid 5544] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5559] ioctl(4, LOOP_CLR_FD [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5544] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5559] <... ioctl resumed>) = 0 [pid 5546] close(11 [pid 5544] <... futex resumed>) = 0 [pid 5559] close(4 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5544] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5559] <... close resumed>) = 0 [pid 5546] close(12 [pid 5559] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5559] <... futex resumed>) = 1 [pid 5553] <... futex resumed>) = 0 [pid 5552] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [ 95.855863][ T5559] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 95.879592][ T5562] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5546] close(13 [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5559] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5554] <... futex resumed>) = 0 [pid 5553] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... futex resumed>) = 1 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5554] mkdir("./bus", 000 [pid 5553] <... futex resumed>) = 0 [pid 5546] close(14 [pid 5559] mkdir("./file1", 000 [pid 5554] <... mkdir resumed>) = 0 [pid 5553] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5559] <... mkdir resumed>) = 0 [pid 5554] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] close(15 [pid 5559] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] <... futex resumed>) = 0 [pid 5552] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] close(7 [pid 5543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5559] <... futex resumed>) = 1 [pid 5554] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5553] <... futex resumed>) = 0 [pid 5546] close(16 [pid 5559] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5553] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(3 [pid 5559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5553] <... futex resumed>) = 0 [pid 5546] close(17 [pid 5559] mkdir("./bus", 000 [pid 5553] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5559] <... mkdir resumed>) = 0 [pid 5546] close(18 [pid 5559] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5559] <... futex resumed>) = 1 [pid 5553] <... futex resumed>) = 0 [pid 5546] close(19 [pid 5559] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5553] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5553] <... futex resumed>) = 0 [pid 5546] close(20 [pid 5559] mkdir("./file0", 000 [pid 5553] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5559] <... mkdir resumed>) = 0 [pid 5546] close(21 [pid 5559] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5559] <... futex resumed>) = 1 [pid 5553] <... futex resumed>) = 0 [pid 5546] close(22 [pid 5559] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5553] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5553] <... futex resumed>) = 0 [pid 5546] close(23 [pid 5559] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5553] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] close(8 [pid 5543] <... close resumed>) = 0 [pid 5552] <... futex resumed>) = 1 [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(4 [pid 5552] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5545] close(9 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5554] <... futex resumed>) = 0 [pid 5546] close(24 [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 95.902316][ T5562] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 95.923096][ T5562] REISERFS (device loop1): using ordered data mode [ 95.933525][ T5562] reiserfs: using flush barriers [ 95.938996][ T5559] overlayfs: upper fs needs to support d_type. [pid 5543] close(5 [pid 5545] close(10 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(6 [pid 5545] close(11 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(7 [pid 5545] close(12 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(8 [pid 5545] close(13 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(9 [pid 5545] close(14 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(10 [pid 5545] close(15 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(11 [pid 5545] close(16 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(12 [pid 5545] close(17 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(13 [pid 5545] close(18 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(14 [pid 5545] close(19 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(15 [pid 5545] close(20 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(16 [pid 5545] close(21 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(17 [pid 5554] mkdir("./file0", 000 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] close(22 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5554] <... mkdir resumed>) = 0 [pid 5546] close(25 [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(18 [pid 5554] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] close(23 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(19 [pid 5545] close(24 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(20 [pid 5545] close(25 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(21 [pid 5545] close(26 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(22 [pid 5545] close(27 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(23 [pid 5545] close(28 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(24 [pid 5545] close(29 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5554] <... futex resumed>) = 1 [pid 5552] <... futex resumed>) = 0 [pid 5546] close(26 [pid 5545] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(25 [pid 5554] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5552] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5545] exit_group(0 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5566] <... futex resumed>) = ? [pid 5552] <... futex resumed>) = 0 [pid 5548] <... futex resumed>) = ? [pid 5545] <... exit_group resumed>) = ? [pid 5543] close(26 [pid 5566] +++ exited with 0 +++ [pid 5552] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5548] +++ exited with 0 +++ [pid 5545] +++ exited with 0 +++ [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5543] close(27 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=27 /* 0.27 s */} --- [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5543] close(28 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5543] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 95.957759][ T5562] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 95.985966][ T5559] overlayfs: upper fs does not support tmpfile. [pid 5543] close(29) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5543] exit_group(0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5543] <... exit_group resumed>) = ? [pid 5080] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5567] <... futex resumed>) = ? [pid 5554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5546] close(27 [pid 5544] <... futex resumed>) = ? [pid 5080] <... openat resumed>) = 3 [pid 5554] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5544] +++ exited with 0 +++ [pid 5080] fstat(3, [pid 5567] +++ exited with 0 +++ [pid 5543] +++ exited with 0 +++ [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5546] close(28 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [pid 5080] getdents64(3, [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] restart_syscall(<... resuming interrupted clone ...> [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] <... restart_syscall resumed>) = 0 [pid 5080] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./20/binderfs", [pid 5083] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] unlink("./20/binderfs" [pid 5083] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... unlink resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 5080] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] fstat(3, [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] lstat("./20/cgroup", [pid 5083] getdents64(3, [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5080] unlink("./20/cgroup" [pid 5083] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... unlink resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] lstat("./19/binderfs", [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] lstat("./20/cgroup.net", [pid 5546] close(29 [pid 5083] unlink("./19/binderfs" [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5553] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 5080] unlink("./20/cgroup.net" [pid 5553] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] exit_group(0 [pid 5083] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... unlink resumed>) = 0 [pid 5564] <... futex resumed>) = ? [pid 5553] <... futex resumed>) = 0 [pid 5550] <... futex resumed>) = ? [pid 5546] <... exit_group resumed>) = ? [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5550] +++ exited with 0 +++ [pid 5083] lstat("./19/cgroup", [pid 5564] +++ exited with 0 +++ [pid 5559] <... mount resumed>) = 0 [pid 5553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5546] +++ exited with 0 +++ [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./19/cgroup") = 0 [pid 5083] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./19/cgroup.net" [pid 5552] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] <... unlink resumed>) = 0 [pid 5552] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5552] <... futex resumed>) = 0 [ 95.998351][ T5559] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 96.021384][ T5554] overlayfs: upper fs needs to support d_type. [ 96.049284][ T5554] overlayfs: upper fs does not support tmpfile. [pid 5552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5559] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] <... mmap resumed>) = 0x7f87c04cf000 [pid 5552] <... mmap resumed>) = 0x7f87c04cf000 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} --- [pid 5559] <... futex resumed>) = 0 [pid 5553] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5552] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5559] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5553] <... mprotect resumed>) = 0 [pid 5552] <... mprotect resumed>) = 0 [pid 5553] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5552] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5570 attached [pid 5570] set_robust_list(0x7f87c04ef9e0, 24 [pid 5553] <... clone resumed>, parent_tid=[62], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 62 [pid 5570] <... set_robust_list resumed>) = 0 [pid 5553] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... clone resumed>, parent_tid=[57], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 57 [pid 5570] mkdir(".", 0777 [pid 5553] <... futex resumed>) = 0 [pid 5552] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5570] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5553] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5552] <... futex resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5552] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5569 attached [pid 5569] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 5569] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5569] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5570] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5082] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5082] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 96.062491][ T5562] REISERFS (device loop1): checking transaction log (loop1) [ 96.088692][ T5554] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5082] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [ 96.108081][ T5562] REISERFS (device loop1): Using r5 hash to sort names [ 96.109662][ T5570] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5082] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] unlink("./20/binderfs") = 0 [pid 5082] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5570] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./20/cgroup", [pid 5570] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] unlink("./20/cgroup") = 0 [pid 5553] <... futex resumed>) = 0 [pid 5570] <... futex resumed>) = 1 [pid 5082] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5553] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5559] <... futex resumed>) = 0 [pid 5553] <... futex resumed>) = 1 [pid 5082] lstat("./20/cgroup.net", [pid 5559] unlink(NULL [pid 5553] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5559] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5559] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] unlink("./20/cgroup.net" [pid 5559] <... futex resumed>) = 1 [pid 5553] <... futex resumed>) = 0 [pid 5559] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5553] close(3 [pid 5082] <... unlink resumed>) = 0 [pid 5553] <... close resumed>) = 0 [pid 5082] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5553] close(4) = -1 EBADF (Bad file descriptor) [pid 5553] close(5) = -1 EBADF (Bad file descriptor) [pid 5553] close(6) = -1 EBADF (Bad file descriptor) [pid 5553] close(7) = -1 EBADF (Bad file descriptor) [pid 5553] close(8) = -1 EBADF (Bad file descriptor) [pid 5553] close(9) = -1 EBADF (Bad file descriptor) [ 96.135010][ T5562] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 96.150618][ T5569] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5553] close(10) = -1 EBADF (Bad file descriptor) [pid 5553] close(11) = -1 EBADF (Bad file descriptor) [pid 5553] close(12) = -1 EBADF (Bad file descriptor) [pid 5553] close(13) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = 0 [pid 5553] close(14) = -1 EBADF (Bad file descriptor) [pid 5553] close(15) = -1 EBADF (Bad file descriptor) [pid 5553] close(16) = -1 EBADF (Bad file descriptor) [pid 5553] close(17) = -1 EBADF (Bad file descriptor) [pid 5553] close(18) = -1 EBADF (Bad file descriptor) [pid 5553] close(19) = -1 EBADF (Bad file descriptor) [pid 5553] close(20) = -1 EBADF (Bad file descriptor) [pid 5553] close(21 [pid 5080] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./20/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5569] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5554] <... mount resumed>) = 0 [pid 5553] close(22 [pid 5083] <... umount2 resumed>) = 0 [pid 5080] <... openat resumed>) = 4 [pid 5080] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] close(4 [pid 5553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = 0 [pid 5569] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] close(23 [pid 5083] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] rmdir("./20/file0" [pid 5569] <... futex resumed>) = 1 [pid 5553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5552] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... rmdir resumed>) = 0 [pid 5569] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5553] close(24 [pid 5552] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] lstat("./19/file0", [pid 5080] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5562] <... mount resumed>) = 0 [pid 5554] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5552] <... futex resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] <... umount2 resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5569] unlink(NULL [pid 5562] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5554] <... futex resumed>) = 0 [pid 5553] close(25 [pid 5552] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] lstat("./20/cgroup.cpu", [pid 5569] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5562] <... openat resumed>) = 3 [pid 5554] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5569] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5562] chdir("./file0" [pid 5553] close(26 [pid 5083] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] lstat("./20/file0", [pid 5080] unlink("./20/cgroup.cpu" [pid 5569] <... futex resumed>) = 1 [pid 5562] <... chdir resumed>) = 0 [pid 5553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5552] <... futex resumed>) = 0 [pid 5083] <... openat resumed>) = 4 [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5569] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5562] ioctl(4, LOOP_CLR_FD [pid 5553] close(27 [pid 5552] close(3 [pid 5083] fstat(4, [pid 5082] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5562] <... ioctl resumed>) = 0 [pid 5553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5552] <... close resumed>) = 0 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... unlink resumed>) = 0 [pid 5562] close(4 [pid 5553] close(28 [pid 5552] close(4 [pid 5083] getdents64(4, [pid 5082] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] getdents64(3, [pid 5562] <... close resumed>) = 0 [pid 5553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] <... openat resumed>) = 4 [pid 5562] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] close(29 [pid 5552] close(5 [pid 5083] getdents64(4, [pid 5082] fstat(4, [pid 5562] <... futex resumed>) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5553] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5562] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] exit_group(0 [pid 5552] close(6 [pid 5083] close(4 [pid 5082] getdents64(4, [pid 5570] <... futex resumed>) = ? [pid 5562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] <... futex resumed>) = 0 [pid 5559] <... futex resumed>) = ? [pid 5553] <... exit_group resumed>) = ? [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [ 96.257290][ T5562] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5570] +++ exited with 0 +++ [pid 5562] mkdir("./file1", 000 [pid 5560] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5559] +++ exited with 0 +++ [pid 5553] +++ exited with 0 +++ [pid 5552] close(7 [pid 5083] rmdir("./19/file0" [pid 5082] getdents64(4, [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5562] <... mkdir resumed>) = 0 [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... rmdir resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5080] close(3 [pid 5562] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] close(8 [pid 5083] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] close(4 [pid 5080] <... close resumed>) = 0 [pid 5562] <... futex resumed>) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... close resumed>) = 0 [pid 5562] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] close(9 [pid 5083] lstat("./19/cgroup.cpu", [pid 5082] rmdir("./20/file0" [pid 5081] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] rmdir("./20" [pid 5562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] <... futex resumed>) = 0 [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] <... rmdir resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5562] mkdir("./bus", 000 [pid 5560] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] close(10 [pid 5083] unlink("./19/cgroup.cpu" [pid 5082] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... rmdir resumed>) = 0 [pid 5562] <... mkdir resumed>) = 0 [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... openat resumed>) = 3 [pid 5080] mkdir("./21", 0777 [pid 5562] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] close(11 [pid 5083] getdents64(3, [pid 5082] lstat("./20/cgroup.cpu", [pid 5081] fstat(3, [pid 5562] <... futex resumed>) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... mkdir resumed>) = 0 [pid 5562] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] close(12 [pid 5083] close(3 [pid 5082] unlink("./20/cgroup.cpu" [pid 5081] getdents64(3, [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] <... futex resumed>) = 0 [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5562] mkdir("./file0", 000 [pid 5560] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] close(13 [pid 5083] rmdir("./19" [pid 5082] getdents64(3, [pid 5081] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... openat resumed>) = 3 [pid 5562] <... mkdir resumed>) = 0 [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... rmdir resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5562] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] close(14 [pid 5083] mkdir("./20", 0777 [pid 5082] close(3 [pid 5081] lstat("./20/binderfs", [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5562] <... futex resumed>) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... mkdir resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] close(3 [pid 5562] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] close(15 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5082] rmdir("./20" [pid 5081] unlink("./20/binderfs" [pid 5080] <... close resumed>) = 0 [pid 5562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] <... futex resumed>) = 0 [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... openat resumed>) = 3 [pid 5082] <... rmdir resumed>) = 0 [pid 5562] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5560] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] close(16 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5082] mkdir("./21", 0777 [pid 5081] <... unlink resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5082] <... mkdir resumed>) = 0 [pid 5081] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5552] close(17 [pid 5083] close(3 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = 0 [pid 5082] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5571 attached [pid 5552] close(18 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5572 attached [pid 5571] set_robust_list(0x5555565af5e0, 24 [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5081] lstat("./20/cgroup", [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 60 [pid 5572] set_robust_list(0x5555565af5e0, 24 [pid 5571] <... set_robust_list resumed>) = 0 [pid 5552] close(19 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 58 [pid 5082] close(3 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5572] <... set_robust_list resumed>) = 0 [pid 5571] chdir("./21" [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5081] unlink("./20/cgroup" [pid 5572] chdir("./20" [pid 5571] <... chdir resumed>) = 0 [pid 5552] close(20 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5573 attached [pid 5572] <... chdir resumed>) = 0 [pid 5571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... unlink resumed>) = 0 [pid 5573] set_robust_list(0x5555565af5e0, 24 [pid 5572] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5571] <... prctl resumed>) = 0 [pid 5552] close(21 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 62 [pid 5081] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5573] <... set_robust_list resumed>) = 0 [pid 5572] <... prctl resumed>) = 0 [pid 5571] setpgid(0, 0 [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5573] chdir("./21" [pid 5572] setpgid(0, 0 [pid 5552] close(22 [pid 5573] <... chdir resumed>) = 0 [pid 5572] <... setpgid resumed>) = 0 [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5572] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5552] close(23 [pid 5573] <... prctl resumed>) = 0 [pid 5572] <... symlink resumed>) = 0 [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5573] setpgid(0, 0 [pid 5572] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5552] close(24 [pid 5573] <... setpgid resumed>) = 0 [pid 5572] <... symlink resumed>) = 0 [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5573] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5572] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5552] close(25 [pid 5573] <... symlink resumed>) = 0 [pid 5572] <... symlink resumed>) = 0 [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5573] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5552] close(26 [pid 5573] <... symlink resumed>) = 0 [pid 5572] <... openat resumed>) = 3 [pid 5571] <... setpgid resumed>) = 0 [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./20/cgroup.net", [pid 5573] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5572] write(3, "1000", 4 [pid 5552] close(27 [pid 5573] <... symlink resumed>) = 0 [pid 5572] <... write resumed>) = 4 [pid 5571] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5572] close(3 [pid 5571] <... symlink resumed>) = 0 [pid 5552] close(28 [pid 5081] unlink("./20/cgroup.net" [pid 5573] <... openat resumed>) = 3 [pid 5572] <... close resumed>) = 0 [pid 5571] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5573] write(3, "1000", 4 [pid 5572] read(200, [pid 5571] <... symlink resumed>) = 0 [pid 5552] close(29 [pid 5081] <... unlink resumed>) = 0 [pid 5573] <... write resumed>) = 4 [pid 5572] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5573] close(3 [pid 5572] symlink("/dev/binderfs", "./binderfs" [pid 5571] <... symlink resumed>) = 0 [pid 5552] exit_group(0 [pid 5573] <... close resumed>) = 0 [pid 5572] <... symlink resumed>) = 0 [pid 5571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5569] <... futex resumed>) = ? [pid 5554] <... futex resumed>) = ? [pid 5552] <... exit_group resumed>) = ? [pid 5573] read(200, [pid 5572] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] <... openat resumed>) = 3 [pid 5569] +++ exited with 0 +++ [pid 5554] +++ exited with 0 +++ [pid 5552] +++ exited with 0 +++ [pid 5573] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5572] <... futex resumed>) = 0 [pid 5571] write(3, "1000", 4 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=26 /* 0.26 s */} --- [pid 5573] symlink("/dev/binderfs", "./binderfs" [pid 5572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5571] <... write resumed>) = 4 [pid 5573] <... symlink resumed>) = 0 [pid 5572] <... mmap resumed>) = 0x7f87c84f0000 [pid 5571] close(3 [pid 5573] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5571] <... close resumed>) = 0 [pid 5573] <... futex resumed>) = 0 [pid 5572] <... mprotect resumed>) = 0 [pid 5571] read(200, [pid 5573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5572] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5571] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5574 attached [pid 5573] <... mmap resumed>) = 0x7f87c84f0000 [pid 5571] symlink("/dev/binderfs", "./binderfs" [pid 5078] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5574] set_robust_list(0x7f87c85109e0, 24 [pid 5573] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5572] <... clone resumed>, parent_tid=[59], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 59 [pid 5571] <... symlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5574] <... set_robust_list resumed>) = 0 [pid 5573] <... mprotect resumed>) = 0 [pid 5572] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5574] memfd_create("syzkaller", 0 [pid 5573] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5572] <... futex resumed>) = 0 [pid 5571] <... futex resumed>) = 0 [pid 5078] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5575 attached [pid 5574] <... memfd_create resumed>) = 3 [pid 5572] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] fstat(3, [pid 5575] set_robust_list(0x7f87c85109e0, 24 [pid 5574] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5573] <... clone resumed>, parent_tid=[63], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 63 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5575] <... set_robust_list resumed>) = 0 [pid 5574] <... mmap resumed>) = 0x7f87c00f0000 [ 96.350438][ T5562] overlayfs: upper fs needs to support d_type. [ 96.376986][ T5562] overlayfs: upper fs does not support tmpfile. [pid 5573] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] <... mmap resumed>) = 0x7f87c84f0000 [pid 5078] getdents64(3, [pid 5575] memfd_create("syzkaller", 0 [pid 5573] <... futex resumed>) = 0 [pid 5571] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5560] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5575] <... memfd_create resumed>) = 3 [pid 5573] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5571] <... mprotect resumed>) = 0 [pid 5560] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5575] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5571] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5560] <... futex resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5575] <... mmap resumed>) = 0x7f87c00f0000 [pid 5560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] lstat("./19/binderfs", ./strace-static-x86_64: Process 5576 attached [pid 5560] <... mmap resumed>) = 0x7f87c04cf000 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5576] set_robust_list(0x7f87c85109e0, 24 [pid 5571] <... clone resumed>, parent_tid=[61], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 61 [pid 5560] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5078] unlink("./19/binderfs" [pid 5576] <... set_robust_list resumed>) = 0 [pid 5571] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... mprotect resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5576] memfd_create("syzkaller", 0 [pid 5571] <... futex resumed>) = 0 [pid 5560] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5078] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5577 attached [pid 5576] <... memfd_create resumed>) = 3 [pid 5571] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5577] set_robust_list(0x7f87c04ef9e0, 24 [pid 5560] <... clone resumed>, parent_tid=[58], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 58 [pid 5078] lstat("./19/cgroup", [pid 5577] <... set_robust_list resumed>) = 0 [pid 5560] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5577] mkdir(".", 0777 [pid 5560] <... futex resumed>) = 0 [pid 5078] unlink("./19/cgroup" [pid 5577] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5560] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] <... unlink resumed>) = 0 [pid 5577] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5078] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5576] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./19/cgroup.net", [pid 5576] <... mmap resumed>) = 0x7f87c00f0000 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 96.428440][ T5562] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5078] unlink("./19/cgroup.net") = 0 [pid 5078] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5574] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 96.526253][ T5577] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5575] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5577] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5576] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5081] <... umount2 resumed>) = 0 [pid 5562] <... mount resumed>) = 0 [pid 5562] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5562] <... futex resumed>) = 0 [pid 5577] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./20/file0", [pid 5577] <... futex resumed>) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5560] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5577] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] <... futex resumed>) = 0 [pid 5081] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5560] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5078] <... umount2 resumed>) = 0 [pid 5081] fstat(4, [pid 5078] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] getdents64(4, [pid 5078] lstat("./19/file0", [pid 5562] unlink(NULL [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(4, [pid 5078] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] close(4 [pid 5078] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5562] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5081] <... close resumed>) = 0 [pid 5078] <... openat resumed>) = 4 [pid 5562] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] rmdir("./20/file0" [pid 5078] fstat(4, [pid 5562] <... futex resumed>) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5081] <... rmdir resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] getdents64(4, [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5562] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] close(3 [pid 5081] lstat("./20/cgroup.cpu", [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] getdents64(4, [pid 5081] unlink("./20/cgroup.cpu" [pid 5560] <... close resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5560] close(4 [pid 5081] getdents64(3, [pid 5078] close(4 [pid 5560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5560] close(5 [pid 5081] close(3 [pid 5078] <... close resumed>) = 0 [pid 5560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5560] close(6 [pid 5081] <... close resumed>) = 0 [pid 5078] rmdir("./19/file0" [pid 5560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] rmdir("./20" [pid 5560] close(7 [pid 5078] <... rmdir resumed>) = 0 [pid 5560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... rmdir resumed>) = 0 [pid 5560] close(8 [pid 5081] mkdir("./21", 0777 [pid 5078] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5560] close(9) = -1 EBADF (Bad file descriptor) [pid 5081] <... mkdir resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5560] close(10 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5078] lstat("./19/cgroup.cpu", [pid 5560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... openat resumed>) = 3 [pid 5560] close(11 [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] unlink("./19/cgroup.cpu" [pid 5576] <... write resumed>) = 4194304 [pid 5560] close(12 [pid 5081] close(3 [pid 5576] munmap(0x7f87c00f0000, 4194304 [pid 5560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5560] close(13) = -1 EBADF (Bad file descriptor) [pid 5560] close(14) = -1 EBADF (Bad file descriptor) [pid 5560] close(15) = -1 EBADF (Bad file descriptor) [pid 5560] close(16) = -1 EBADF (Bad file descriptor) [pid 5560] close(17) = -1 EBADF (Bad file descriptor) [pid 5560] close(18) = -1 EBADF (Bad file descriptor) [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] getdents64(3, [pid 5560] close(19) = -1 EBADF (Bad file descriptor) [pid 5576] <... munmap resumed>) = 0 [pid 5560] close(20 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5560] close(21./strace-static-x86_64: Process 5579 attached [pid 5576] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(3 [pid 5579] set_robust_list(0x5555565af5e0, 24 [pid 5576] <... openat resumed>) = 4 [pid 5560] close(22 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 63 [pid 5579] <... set_robust_list resumed>) = 0 [pid 5576] ioctl(4, LOOP_SET_FD, 3 [pid 5560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = 0 [pid 5579] chdir("./21" [pid 5560] close(23) = -1 EBADF (Bad file descriptor) [pid 5560] close(24) = -1 EBADF (Bad file descriptor) [pid 5560] close(25) = -1 EBADF (Bad file descriptor) [pid 5560] close(26) = -1 EBADF (Bad file descriptor) [pid 5560] close(27) = -1 EBADF (Bad file descriptor) [pid 5560] close(28) = -1 EBADF (Bad file descriptor) [pid 5560] close(29) = -1 EBADF (Bad file descriptor) [pid 5560] exit_group(0 [pid 5078] rmdir("./19" [pid 5579] <... chdir resumed>) = 0 [pid 5577] <... futex resumed>) = ? [pid 5562] <... futex resumed>) = ? [pid 5560] <... exit_group resumed>) = ? [pid 5579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5577] +++ exited with 0 +++ [pid 5562] +++ exited with 0 +++ [pid 5560] +++ exited with 0 +++ [pid 5078] <... rmdir resumed>) = 0 [pid 5579] <... prctl resumed>) = 0 [pid 5576] <... ioctl resumed>) = 0 [pid 5078] mkdir("./20", 0777 [pid 5579] setpgid(0, 0 [pid 5576] close(3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=18 /* 0.18 s */} --- [pid 5579] <... setpgid resumed>) = 0 [pid 5079] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... mkdir resumed>) = 0 [pid 5579] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5576] <... close resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5579] <... symlink resumed>) = 0 [pid 5576] mkdir("./file0", 0777 [pid 5079] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5579] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5576] <... mkdir resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5078] <... openat resumed>) = 3 [pid 5579] <... symlink resumed>) = 0 [pid 5576] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5079] fstat(3, [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5579] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5579] <... symlink resumed>) = 0 [pid 5079] getdents64(3, [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] close(3 [pid 5579] <... openat resumed>) = 3 [pid 5575] <... write resumed>) = 4194304 [ 96.702149][ T5576] loop4: detected capacity change from 0 to 8192 [ 96.736399][ T5576] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5079] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5579] write(3, "1000", 4 [pid 5575] munmap(0x7f87c00f0000, 4194304 [pid 5079] unlink("./20/binderfs" [pid 5078] <... close resumed>) = 0 [pid 5579] <... write resumed>) = 4 [pid 5575] <... munmap resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5579] close(3 [pid 5575] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5574] <... write resumed>) = 4194304 [pid 5079] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5581 attached [pid 5579] <... close resumed>) = 0 [pid 5575] <... openat resumed>) = 4 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 58 [pid 5581] set_robust_list(0x5555565af5e0, 24 [pid 5579] read(200, [ 96.751267][ T5576] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 96.761198][ T5576] REISERFS (device loop4): using ordered data mode [ 96.768490][ T5576] reiserfs: using flush barriers [ 96.775253][ T5576] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 96.791120][ T5575] loop5: detected capacity change from 0 to 8192 [pid 5575] ioctl(4, LOOP_SET_FD, 3 [pid 5079] lstat("./20/cgroup", [pid 5581] <... set_robust_list resumed>) = 0 [pid 5579] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5581] chdir("./20" [pid 5579] symlink("/dev/binderfs", "./binderfs" [pid 5079] unlink("./20/cgroup" [pid 5581] <... chdir resumed>) = 0 [pid 5579] <... symlink resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5579] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] <... ioctl resumed>) = 0 [pid 5079] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5581] <... prctl resumed>) = 0 [pid 5579] <... futex resumed>) = 0 [pid 5575] close(3 [pid 5574] munmap(0x7f87c00f0000, 4194304 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5581] setpgid(0, 0 [pid 5579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5575] <... close resumed>) = 0 [pid 5574] <... munmap resumed>) = 0 [pid 5079] lstat("./20/cgroup.net", [pid 5581] <... setpgid resumed>) = 0 [pid 5579] <... mmap resumed>) = 0x7f87c84f0000 [pid 5575] mkdir("./file0", 0777 [pid 5574] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5581] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5579] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5576] <... mount resumed>) = 0 [pid 5575] <... mkdir resumed>) = 0 [pid 5574] <... openat resumed>) = 4 [pid 5079] unlink("./20/cgroup.net" [pid 5581] <... symlink resumed>) = 0 [pid 5579] <... mprotect resumed>) = 0 [pid 5576] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5575] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5574] ioctl(4, LOOP_SET_FD, 3 [pid 5581] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5579] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5576] <... openat resumed>) = 3 [pid 5079] <... unlink resumed>) = 0 [pid 5576] chdir("./file0"./strace-static-x86_64: Process 5584 attached ) = 0 [pid 5581] <... symlink resumed>) = 0 [pid 5576] ioctl(4, LOOP_CLR_FD [pid 5079] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5584] set_robust_list(0x7f87c85109e0, 24 [pid 5581] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5579] <... clone resumed>, parent_tid=[64], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 64 [pid 5576] <... ioctl resumed>) = 0 [pid 5584] <... set_robust_list resumed>) = 0 [pid 5579] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] close(4 [pid 5581] <... symlink resumed>) = 0 [pid 5576] <... close resumed>) = 0 [pid 5576] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5571] <... futex resumed>) = 0 [pid 5579] <... futex resumed>) = 0 [pid 5584] memfd_create("syzkaller", 0 [pid 5581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5576] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] <... futex resumed>) = 0 [pid 5576] mkdir("./file1", 000 [pid 5571] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5576] <... mkdir resumed>) = 0 [pid 5576] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5571] <... futex resumed>) = 0 [pid 5576] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] <... futex resumed>) = 0 [pid 5576] mkdir("./bus", 000 [pid 5571] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5576] <... mkdir resumed>) = 0 [pid 5576] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5571] <... futex resumed>) = 0 [pid 5576] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] <... memfd_create resumed>) = 3 [pid 5579] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] <... futex resumed>) = 0 [pid 5584] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5581] <... openat resumed>) = 3 [pid 5576] mkdir("./file0", 000 [pid 5571] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5584] <... mmap resumed>) = 0x7f87c00f0000 [pid 5581] write(3, "1000", 4 [pid 5576] <... mkdir resumed>) = 0 [pid 5576] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5571] <... futex resumed>) = 0 [pid 5576] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 96.792807][ T5576] REISERFS (device loop4): checking transaction log (loop4) [ 96.808270][ T5576] REISERFS (device loop4): Using r5 hash to sort names [ 96.816253][ T5576] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 96.830056][ T5576] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5571] <... futex resumed>) = 0 [pid 5576] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5571] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5581] <... write resumed>) = 4 [pid 5581] close(3) = 0 [pid 5581] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5581] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5581] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [ 96.875046][ T5576] overlayfs: upper fs needs to support d_type. [ 96.883271][ T5576] overlayfs: upper fs does not support tmpfile. [ 96.888073][ T5575] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 96.892263][ T5576] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5576] <... mount resumed>) = 0 [pid 5576] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] <... futex resumed>) = 0 [pid 5571] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5571] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5576] <... futex resumed>) = 1 [pid 5576] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5576] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5581] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5581] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5585 attached , parent_tid=[59], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 59 [pid 5581] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] set_robust_list(0x7f87c85109e0, 24 [pid 5581] <... futex resumed>) = 0 [pid 5585] <... set_robust_list resumed>) = 0 [pid 5581] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5585] memfd_create("syzkaller", 0) = 3 [pid 5585] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5574] <... ioctl resumed>) = 0 [pid 5584] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5585] <... mmap resumed>) = 0x7f87c00f0000 [pid 5574] close(3 [pid 5576] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5576] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] <... futex resumed>) = 0 [pid 5571] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5571] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5576] <... futex resumed>) = 1 [pid 5576] unlink(NULL) = -1 EFAULT (Bad address) [pid 5576] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] <... futex resumed>) = 0 [pid 5571] close(3) = 0 [pid 5574] <... close resumed>) = 0 [pid 5571] close(4 [pid 5574] mkdir("./file0", 0777 [pid 5571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5571] close(5) = -1 EBADF (Bad file descriptor) [pid 5571] close(6) = -1 EBADF (Bad file descriptor) [pid 5571] close(7) = -1 EBADF (Bad file descriptor) [pid 5571] close(8) = -1 EBADF (Bad file descriptor) [pid 5571] close(9 [pid 5574] <... mkdir resumed>) = 0 [pid 5571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5571] close(10) = -1 EBADF (Bad file descriptor) [pid 5571] close(11) = -1 EBADF (Bad file descriptor) [pid 5571] close(12) = -1 EBADF (Bad file descriptor) [pid 5571] close(13) = -1 EBADF (Bad file descriptor) [pid 5571] close(14) = -1 EBADF (Bad file descriptor) [pid 5571] close(15) = -1 EBADF (Bad file descriptor) [pid 5571] close(16) = -1 EBADF (Bad file descriptor) [pid 5571] close(17) = -1 EBADF (Bad file descriptor) [pid 5571] close(18) = -1 EBADF (Bad file descriptor) [pid 5571] close(19) = -1 EBADF (Bad file descriptor) [pid 5571] close(20) = -1 EBADF (Bad file descriptor) [pid 5571] close(21 [pid 5576] <... futex resumed>) = 1 [pid 5571] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5576] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] close(22) = -1 EBADF (Bad file descriptor) [pid 5571] close(23) = -1 EBADF (Bad file descriptor) [pid 5571] close(24) = -1 EBADF (Bad file descriptor) [pid 5571] close(25) = -1 EBADF (Bad file descriptor) [pid 5571] close(26) = -1 EBADF (Bad file descriptor) [pid 5571] close(27) = -1 EBADF (Bad file descriptor) [pid 5571] close(28) = -1 EBADF (Bad file descriptor) [pid 5571] close(29) = -1 EBADF (Bad file descriptor) [pid 5571] exit_group(0 [pid 5576] <... futex resumed>) = ? [pid 5571] <... exit_group resumed>) = ? [pid 5576] +++ exited with 0 +++ [pid 5574] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5571] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5080] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5080] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 96.918569][ T5574] loop2: detected capacity change from 0 to 8192 [ 96.938285][ T5576] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 96.949056][ T5575] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5080] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5584] <... write resumed>) = 4194304 [pid 5584] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5080] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5584] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5584] ioctl(4, LOOP_SET_FD, 3 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] unlink("./21/binderfs") = 0 [pid 5080] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] unlink("./21/cgroup" [pid 5584] <... ioctl resumed>) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5080] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./21/cgroup.net") = 0 [pid 5080] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5584] close(3) = 0 [ 96.995485][ T5574] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 97.023263][ T5584] loop3: detected capacity change from 0 to 8192 [ 97.030456][ T5575] REISERFS (device loop5): using ordered data mode [ 97.040103][ T5575] reiserfs: using flush barriers [pid 5584] mkdir("./file0", 0777) = 0 [ 97.047392][ T5575] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 97.065424][ T5575] REISERFS (device loop5): checking transaction log (loop5) [ 97.067365][ T5584] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 97.074609][ T5574] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 97.099629][ T5574] REISERFS (device loop2): using ordered data mode [ 97.108555][ T5574] reiserfs: using flush barriers [ 97.116750][ T5574] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5584] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5080] <... umount2 resumed>) = 0 [ 97.147797][ T5575] REISERFS (device loop5): Using r5 hash to sort names [ 97.155260][ T5575] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 97.186066][ T5584] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 5585] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5080] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = 0 [pid 5079] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./20/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(4, [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] lstat("./21/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5575] <... mount resumed>) = 0 [pid 5080] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5575] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5575] <... openat resumed>) = 3 [pid 5080] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5575] chdir("./file0" [pid 5080] fstat(4, [pid 5079] close(4) = 0 [pid 5079] rmdir("./20/file0") = 0 [pid 5079] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5575] <... chdir resumed>) = 0 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./20/cgroup.cpu") = 0 [pid 5079] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] close(3) = 0 [pid 5079] rmdir("./20") = 0 [pid 5079] mkdir("./21", 0777) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5080] getdents64(4, [pid 5079] <... openat resumed>) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5575] ioctl(4, LOOP_CLR_FD [pid 5080] getdents64(4, [pid 5575] <... ioctl resumed>) = 0 [pid 5575] close(4 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5575] <... close resumed>) = 0 [pid 5080] close(4 [pid 5079] close(3) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565af5d0) = 59 [ 97.203124][ T5574] REISERFS (device loop2): checking transaction log (loop2) [ 97.212852][ T5575] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 97.227645][ T5574] REISERFS (device loop2): Using r5 hash to sort names [ 97.235177][ T5574] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5575] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... close resumed>) = 0 [pid 5575] <... futex resumed>) = 1 [pid 5573] <... futex resumed>) = 0 [pid 5080] rmdir("./21/file0" [pid 5575] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5573] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5573] <... futex resumed>) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 5575] mkdir("./file1", 000 [pid 5573] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5575] <... mkdir resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5575] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] lstat("./21/cgroup.cpu", [pid 5575] <... futex resumed>) = 1 [pid 5573] <... futex resumed>) = 0 [pid 5573] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5575] mkdir("./bus", 000 [pid 5573] <... futex resumed>) = 0 [pid 5080] unlink("./21/cgroup.cpu" [pid 5573] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5575] <... mkdir resumed>) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5575] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] getdents64(3, [pid 5573] <... futex resumed>) = 0 [pid 5575] <... futex resumed>) = 1 [pid 5575] mkdir("./file0", 000 [pid 5573] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5573] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5588 attached [pid 5575] <... mkdir resumed>) = 0 [pid 5573] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] close(3 [pid 5575] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5575] <... futex resumed>) = 0 [pid 5573] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... close resumed>) = 0 [pid 5575] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5573] <... futex resumed>) = 0 [pid 5080] rmdir("./21" [pid 5573] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5588] set_robust_list(0x5555565af5e0, 24) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 5588] chdir("./21") = 0 [pid 5588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5588] setpgid(0, 0) = 0 [pid 5588] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [ 97.257316][ T5584] REISERFS (device loop3): using ordered data mode [ 97.265401][ T5574] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 97.288639][ T5575] overlayfs: upper fs needs to support d_type. [ 97.295161][ T5575] overlayfs: upper fs does not support tmpfile. [ 97.295992][ T5584] reiserfs: using flush barriers [pid 5080] mkdir("./22", 0777 [pid 5588] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5574] <... mount resumed>) = 0 [pid 5080] <... mkdir resumed>) = 0 [pid 5588] <... symlink resumed>) = 0 [pid 5588] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5588] <... openat resumed>) = 3 [pid 5574] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5080] <... openat resumed>) = 3 [pid 5588] write(3, "1000", 4 [pid 5575] <... mount resumed>) = 0 [pid 5574] <... openat resumed>) = 3 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5588] <... write resumed>) = 4 [pid 5588] close(3) = 0 [pid 5588] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5588] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5588] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5588] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5588] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5589 attached [pid 5589] set_robust_list(0x7f87c85109e0, 24 [pid 5588] <... clone resumed>, parent_tid=[60], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 60 [pid 5589] <... set_robust_list resumed>) = 0 [pid 5588] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] chdir("./file0" [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5589] memfd_create("syzkaller", 0 [pid 5588] <... futex resumed>) = 0 [pid 5574] <... chdir resumed>) = 0 [pid 5573] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5080] close(3 [pid 5575] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] <... memfd_create resumed>) = 3 [pid 5588] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5589] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5575] <... futex resumed>) = 0 [pid 5573] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... close resumed>) = 0 [pid 5575] mkdir(".", 0777 [pid 5573] <... futex resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5575] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5574] ioctl(4, LOOP_CLR_FD [pid 5573] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5590 attached [pid 5590] set_robust_list(0x5555565af5e0, 24 [pid 5575] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5574] <... ioctl resumed>) = 0 [pid 5590] <... set_robust_list resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 62 [pid 5590] chdir("./22") = 0 [pid 5590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5590] setpgid(0, 0) = 0 [ 97.309845][ T5575] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 97.327934][ T5584] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 97.348284][ T5584] REISERFS (device loop3): checking transaction log (loop3) [pid 5590] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5590] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5590] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5574] close(4 [pid 5590] <... openat resumed>) = 3 [pid 5590] write(3, "1000", 4) = 4 [pid 5590] close(3) = 0 [pid 5574] <... close resumed>) = 0 [pid 5574] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] read(200, [pid 5574] <... futex resumed>) = 1 [pid 5572] <... futex resumed>) = 0 [pid 5590] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5574] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5572] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] symlink("/dev/binderfs", "./binderfs" [pid 5574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5572] <... futex resumed>) = 0 [pid 5590] <... symlink resumed>) = 0 [pid 5574] mkdir("./file1", 000 [pid 5572] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5590] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] <... mkdir resumed>) = 0 [pid 5590] <... futex resumed>) = 0 [pid 5574] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5572] <... futex resumed>) = 0 [pid 5574] <... futex resumed>) = 1 [pid 5590] <... mmap resumed>) = 0x7f87c84f0000 [pid 5574] mkdir("./bus", 000 [pid 5572] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5572] <... futex resumed>) = 0 [pid 5590] <... mprotect resumed>) = 0 [pid 5574] <... mkdir resumed>) = 0 [pid 5572] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5590] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5574] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5591 attached [pid 5575] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5574] <... futex resumed>) = 0 [pid 5572] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] set_robust_list(0x7f87c85109e0, 24 [pid 5590] <... clone resumed>, parent_tid=[63], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 63 [pid 5591] <... set_robust_list resumed>) = 0 [pid 5590] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] memfd_create("syzkaller", 0 [pid 5590] <... futex resumed>) = 0 [pid 5591] <... memfd_create resumed>) = 3 [pid 5590] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5591] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 97.376369][ T5575] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 97.390964][ T5584] REISERFS (device loop3): Using r5 hash to sort names [ 97.413205][ T5584] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5575] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] mkdir("./file0", 000 [pid 5572] <... futex resumed>) = 0 [pid 5575] <... futex resumed>) = 1 [pid 5574] <... mkdir resumed>) = 0 [pid 5573] <... futex resumed>) = 0 [pid 5572] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5575] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5574] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5574] <... futex resumed>) = 0 [pid 5573] <... futex resumed>) = 0 [pid 5572] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] <... mount resumed>) = 0 [pid 5575] unlink(NULL [pid 5574] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5573] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5572] <... futex resumed>) = 0 [pid 5591] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5584] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5575] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5572] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5584] <... openat resumed>) = 3 [pid 5575] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] chdir("./file0" [pid 5575] <... futex resumed>) = 1 [pid 5573] <... futex resumed>) = 0 [pid 5584] <... chdir resumed>) = 0 [pid 5575] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5573] close(3 [pid 5584] ioctl(4, LOOP_CLR_FD [pid 5573] <... close resumed>) = 0 [pid 5584] <... ioctl resumed>) = 0 [pid 5573] close(4 [pid 5584] close(4 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5584] <... close resumed>) = 0 [pid 5584] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] close(5 [pid 5584] <... futex resumed>) = 1 [pid 5579] <... futex resumed>) = 0 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5585] <... write resumed>) = 4194304 [pid 5584] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] close(6 [pid 5585] munmap(0x7f87c00f0000, 4194304 [pid 5584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5579] <... futex resumed>) = 0 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5585] <... munmap resumed>) = 0 [pid 5584] mkdir("./file1", 000 [pid 5579] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5573] close(7 [pid 5589] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5585] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5584] <... mkdir resumed>) = 0 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 97.428231][ T5584] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 97.449742][ T5574] overlayfs: upper fs needs to support d_type. [pid 5585] <... openat resumed>) = 4 [pid 5584] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] close(8 [pid 5572] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5585] ioctl(4, LOOP_SET_FD, 3 [pid 5584] <... futex resumed>) = 1 [pid 5579] <... futex resumed>) = 0 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5572] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] mkdir("./bus", 000 [pid 5591] <... write resumed>) = 4194304 [pid 5579] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] close(9 [pid 5572] <... futex resumed>) = 0 [pid 5585] <... ioctl resumed>) = 0 [pid 5584] <... mkdir resumed>) = 0 [pid 5579] <... futex resumed>) = 0 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5584] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5573] close(10 [pid 5572] <... mmap resumed>) = 0x7f87c04cf000 [pid 5585] close(3 [pid 5584] <... futex resumed>) = 0 [pid 5579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5572] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5585] <... close resumed>) = 0 [pid 5584] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] close(11 [pid 5584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5579] <... futex resumed>) = 0 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5572] <... mprotect resumed>) = 0 [pid 5585] mkdir("./file0", 0777 [pid 5584] mkdir("./file0", 000 [pid 5579] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5573] close(12 [pid 5572] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5584] <... mkdir resumed>) = 0 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5592 attached [pid 5584] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] close(13 [pid 5592] set_robust_list(0x7f87c04ef9e0, 24 [pid 5584] <... futex resumed>) = 1 [pid 5579] <... futex resumed>) = 0 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5572] <... clone resumed>, parent_tid=[60], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 60 [pid 5592] <... set_robust_list resumed>) = 0 [pid 5584] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] close(14 [pid 5572] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] mkdir(".", 0777 [pid 5584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5579] <... futex resumed>) = 0 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5572] <... futex resumed>) = 0 [pid 5592] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5584] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5579] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5573] close(15 [pid 5572] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5592] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5573] close(16) = -1 EBADF (Bad file descriptor) [pid 5585] <... mkdir resumed>) = 0 [pid 5573] close(17 [pid 5574] <... mount resumed>) = 0 [pid 5574] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5574] <... futex resumed>) = 0 [pid 5573] close(18 [pid 5585] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 97.456780][ T5574] overlayfs: upper fs does not support tmpfile. [ 97.530084][ T5585] loop0: detected capacity change from 0 to 8192 [ 97.557655][ T5584] overlayfs: upper fs needs to support d_type. [ 97.561045][ T5574] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 97.567668][ T5584] overlayfs: upper fs does not support tmpfile. [pid 5574] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5591] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5591] ioctl(4, LOOP_SET_FD, 3 [pid 5592] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5579] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5573] close(19 [pid 5592] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5573] close(20 [pid 5579] <... futex resumed>) = 0 [pid 5572] <... futex resumed>) = 0 [pid 5592] <... futex resumed>) = 1 [pid 5592] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5572] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] close(21 [pid 5579] <... mmap resumed>) = 0x7f87c04cf000 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5572] <... futex resumed>) = 1 [pid 5574] <... futex resumed>) = 0 [pid 5574] unlink(NULL) = -1 EFAULT (Bad address) [pid 5574] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] close(22 [pid 5572] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5574] <... futex resumed>) = 0 [pid 5574] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5584] <... mount resumed>) = 0 [pid 5584] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5584] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] <... ioctl resumed>) = 0 [pid 5591] close(3) = 0 [pid 5591] mkdir("./file0", 0777) = 0 [pid 5591] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5579] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5573] close(23 [pid 5572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 97.588841][ T5592] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 97.595184][ T5591] loop4: detected capacity change from 0 to 8192 [ 97.612740][ T5584] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 97.624604][ T5585] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5572] close(3 [pid 5579] <... mprotect resumed>) = 0 [pid 5573] close(24 [pid 5572] <... close resumed>) = 0 [pid 5589] <... write resumed>) = 4194304 [pid 5589] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5589] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5589] ioctl(4, LOOP_SET_FD, 3 [pid 5579] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 97.642155][ T5585] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 97.647873][ T5589] loop1: detected capacity change from 0 to 8192 [ 97.654767][ T5585] REISERFS (device loop0): using ordered data mode [pid 5572] close(4./strace-static-x86_64: Process 5595 attached [pid 5573] close(25 [pid 5572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 5595] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5589] <... ioctl resumed>) = 0 [pid 5589] close(3) = 0 [pid 5589] mkdir("./file0", 0777) = 0 [pid 5589] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5579] <... clone resumed>, parent_tid=[65], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 65 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5572] close(5 [pid 5579] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] close(26 [pid 5572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5579] <... futex resumed>) = 1 [pid 5572] close(6 [pid 5573] close(27 [pid 5595] <... futex resumed>) = 0 [pid 5595] mkdir(".", 0777 [pid 5579] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5595] <... mkdir resumed>) = -1 EEXIST (File exists) [ 97.664614][ T5591] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 97.674325][ T5585] reiserfs: using flush barriers [ 97.712935][ T5591] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5595] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5573] close(28 [pid 5572] close(7 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5572] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 97.713001][ T5585] 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 [ 97.723401][ T5591] REISERFS (device loop4): using ordered data mode [ 97.750488][ T5585] REISERFS (device loop0): checking transaction log (loop0) [ 97.767204][ T5591] reiserfs: using flush barriers [ 97.769635][ T5589] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5573] close(29 [pid 5572] close(8 [pid 5573] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5573] exit_group(0 [pid 5572] close(9 [pid 5573] <... exit_group resumed>) = ? [pid 5572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5572] close(10) = -1 EBADF (Bad file descriptor) [pid 5572] close(11) = -1 EBADF (Bad file descriptor) [pid 5572] close(12) = -1 EBADF (Bad file descriptor) [ 97.775155][ T5591] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 97.789974][ T5589] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 97.810782][ T5585] REISERFS (device loop0): Using r5 hash to sort names [ 97.820180][ T5591] REISERFS (device loop4): checking transaction log (loop4) [pid 5572] close(13) = -1 EBADF (Bad file descriptor) [pid 5572] close(14) = -1 EBADF (Bad file descriptor) [pid 5572] close(15) = -1 EBADF (Bad file descriptor) [pid 5572] close(16) = -1 EBADF (Bad file descriptor) [pid 5572] close(17) = -1 EBADF (Bad file descriptor) [pid 5572] close(18) = -1 EBADF (Bad file descriptor) [pid 5572] close(19) = -1 EBADF (Bad file descriptor) [pid 5572] close(20) = -1 EBADF (Bad file descriptor) [pid 5572] close(21) = -1 EBADF (Bad file descriptor) [pid 5572] close(22 [pid 5575] <... futex resumed>) = ? [pid 5572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5572] close(23) = -1 EBADF (Bad file descriptor) [pid 5575] +++ exited with 0 +++ [pid 5573] +++ exited with 0 +++ [pid 5572] close(24) = -1 EBADF (Bad file descriptor) [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5572] close(25 [pid 5082] restart_syscall(<... resuming interrupted clone ...> [pid 5572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... restart_syscall resumed>) = 0 [pid 5572] close(26) = -1 EBADF (Bad file descriptor) [pid 5572] close(27 [pid 5082] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5572] close(28 [pid 5082] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 3 [pid 5572] close(29 [pid 5082] fstat(3, [pid 5572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5572] exit_group(0 [pid 5082] getdents64(3, [pid 5592] <... futex resumed>) = ? [pid 5574] <... futex resumed>) = ? [pid 5572] <... exit_group resumed>) = ? [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5592] +++ exited with 0 +++ [pid 5574] +++ exited with 0 +++ [pid 5572] +++ exited with 0 +++ [pid 5082] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] unlink("./21/binderfs" [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... unlink resumed>) = 0 [pid 5083] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... openat resumed>) = 3 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] fstat(3, [pid 5082] lstat("./21/cgroup", [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5595] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5083] getdents64(3, [ 97.828096][ T5595] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 97.849706][ T5589] REISERFS (device loop1): using ordered data mode [ 97.860879][ T5589] reiserfs: using flush barriers [ 97.870224][ T5589] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5082] unlink("./21/cgroup" [pid 5595] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5082] <... unlink resumed>) = 0 [pid 5083] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./20/binderfs", [pid 5082] lstat("./21/cgroup.net", [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./20/binderfs" [pid 5082] unlink("./21/cgroup.net" [pid 5083] <... unlink resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5579] <... futex resumed>) = 0 [pid 5083] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5595] <... futex resumed>) = 1 [pid 5579] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./20/cgroup") = 0 [pid 5083] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./20/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./20/cgroup.net") = 0 [pid 5083] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5595] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5585] <... mount resumed>) = 0 [pid 5579] <... futex resumed>) = 1 [pid 5579] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5585] chdir("./file0") = 0 [pid 5585] ioctl(4, LOOP_CLR_FD) = 0 [pid 5585] close(4 [pid 5584] <... futex resumed>) = 0 [pid 5585] <... close resumed>) = 0 [pid 5585] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 97.888305][ T5585] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 97.891881][ T5591] REISERFS (device loop4): Using r5 hash to sort names [ 97.903515][ T5589] REISERFS (device loop1): checking transaction log (loop1) [ 97.918288][ T5585] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 97.927318][ T5591] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5585] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5581] <... futex resumed>) = 0 [pid 5584] unlink(NULL [pid 5581] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5584] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5581] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5585] <... futex resumed>) = 0 [pid 5585] mkdir("./file1", 000 [pid 5584] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] <... mkdir resumed>) = 0 [pid 5584] <... futex resumed>) = 1 [pid 5579] <... futex resumed>) = 0 [pid 5584] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] close(3) = 0 [pid 5579] close(4) = -1 EBADF (Bad file descriptor) [pid 5579] close(5) = -1 EBADF (Bad file descriptor) [pid 5579] close(6) = -1 EBADF (Bad file descriptor) [pid 5579] close(7) = -1 EBADF (Bad file descriptor) [pid 5579] close(8) = -1 EBADF (Bad file descriptor) [pid 5579] close(9) = -1 EBADF (Bad file descriptor) [pid 5579] close(10) = -1 EBADF (Bad file descriptor) [pid 5579] close(11) = -1 EBADF (Bad file descriptor) [pid 5579] close(12 [pid 5585] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5585] <... futex resumed>) = 1 [pid 5581] <... futex resumed>) = 0 [pid 5579] close(13 [pid 5585] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5579] close(14 [pid 5585] mkdir("./bus", 000 [pid 5581] <... futex resumed>) = 0 [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5585] <... mkdir resumed>) = 0 [pid 5581] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5579] close(15 [pid 5585] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5585] <... futex resumed>) = 0 [pid 5579] close(16 [pid 5585] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 97.945094][ T5589] REISERFS (device loop1): Using r5 hash to sort names [ 97.964924][ T5589] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5591] <... mount resumed>) = 0 [pid 5581] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] close(17 [pid 5591] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... openat resumed>) = 3 [pid 5579] close(18 [pid 5591] chdir("./file0" [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... chdir resumed>) = 0 [pid 5579] close(19 [pid 5591] ioctl(4, LOOP_CLR_FD [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... ioctl resumed>) = 0 [pid 5579] close(20 [pid 5591] close(4 [pid 5585] <... futex resumed>) = 0 [pid 5581] <... futex resumed>) = 1 [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 97.987265][ T5591] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 98.003084][ T5589] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5591] <... close resumed>) = 0 [pid 5589] <... mount resumed>) = 0 [pid 5585] mkdir("./file0", 000 [pid 5579] close(21 [pid 5083] <... umount2 resumed>) = 0 [pid 5591] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5585] <... mkdir resumed>) = 0 [pid 5581] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... futex resumed>) = 1 [pid 5590] <... futex resumed>) = 0 [pid 5589] <... openat resumed>) = 3 [pid 5585] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] close(22 [pid 5083] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5591] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] chdir("./file0" [pid 5585] <... futex resumed>) = 0 [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5590] <... futex resumed>) = 0 [pid 5589] <... chdir resumed>) = 0 [pid 5585] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] close(23 [pid 5591] mkdir("./file1", 000 [pid 5590] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5589] ioctl(4, LOOP_CLR_FD [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... mkdir resumed>) = 0 [pid 5589] <... ioctl resumed>) = 0 [pid 5579] close(24 [pid 5591] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] close(4 [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... futex resumed>) = 1 [pid 5590] <... futex resumed>) = 0 [pid 5589] <... close resumed>) = 0 [pid 5581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5579] close(25 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... umount2 resumed>) = 0 [pid 5591] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5590] <... futex resumed>) = 0 [pid 5589] <... futex resumed>) = 1 [pid 5579] close(26 [pid 5591] mkdir("./bus", 000 [pid 5590] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5589] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... mkdir resumed>) = 0 [pid 5588] <... futex resumed>) = 0 [pid 5581] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] close(27 [pid 5083] lstat("./20/file0", [pid 5082] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5591] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5585] <... futex resumed>) = 0 [pid 5581] <... futex resumed>) = 1 [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5591] <... futex resumed>) = 1 [pid 5590] <... futex resumed>) = 0 [pid 5589] <... futex resumed>) = 0 [pid 5588] <... futex resumed>) = 1 [pid 5585] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5581] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5579] close(28 [pid 5083] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] lstat("./21/file0", [pid 5591] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] mkdir("./file1", 000 [pid 5588] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5590] <... futex resumed>) = 0 [pid 5589] <... mkdir resumed>) = 0 [pid 5579] close(29 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5591] mkdir("./file0", 000 [pid 5590] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5589] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5591] <... mkdir resumed>) = 0 [pid 5589] <... futex resumed>) = 1 [pid 5588] <... futex resumed>) = 0 [pid 5579] exit_group(0 [pid 5595] <... futex resumed>) = ? [pid 5591] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] <... futex resumed>) = ? [pid 5579] <... exit_group resumed>) = ? [pid 5083] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5595] +++ exited with 0 +++ [pid 5591] <... futex resumed>) = 1 [pid 5590] <... futex resumed>) = 0 [pid 5589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5588] <... futex resumed>) = 0 [pid 5591] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] mkdir("./bus", 000 [pid 5588] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5590] <... futex resumed>) = 0 [pid 5589] <... mkdir resumed>) = 0 [pid 5584] +++ exited with 0 +++ [pid 5579] +++ exited with 0 +++ [pid 5083] <... openat resumed>) = 4 [ 98.080720][ T5585] overlayfs: upper fs needs to support d_type. [ 98.120632][ T5585] overlayfs: upper fs does not support tmpfile. [pid 5591] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5590] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5589] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5589] <... futex resumed>) = 1 [pid 5588] <... futex resumed>) = 0 [pid 5585] <... mount resumed>) = 0 [pid 5581] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] fstat(4, [pid 5589] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5588] <... futex resumed>) = 0 [pid 5081] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5589] mkdir("./file0", 000 [pid 5588] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5589] <... mkdir resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5589] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... openat resumed>) = 3 [pid 5589] <... futex resumed>) = 1 [pid 5588] <... futex resumed>) = 0 [pid 5081] fstat(3, [pid 5589] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5588] <... futex resumed>) = 0 [pid 5081] getdents64(3, [ 98.145569][ T5585] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 98.146006][ T5591] overlayfs: upper fs needs to support d_type. [ 98.184694][ T5589] overlayfs: upper fs needs to support d_type. [pid 5589] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5588] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5585] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] unlink("./21/binderfs") = 0 [pid 5081] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] unlink("./21/cgroup") = 0 [pid 5081] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./21/cgroup.net") = 0 [pid 5081] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5585] <... futex resumed>) = 0 [pid 5581] <... futex resumed>) = 0 [pid 5083] getdents64(4, [pid 5082] <... openat resumed>) = 4 [pid 5591] <... mount resumed>) = 0 [pid 5585] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] fstat(4, [pid 5581] <... mmap resumed>) = 0x7f87c04cf000 [pid 5083] getdents64(4, [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5581] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] getdents64(4, [pid 5581] <... mprotect resumed>) = 0 [pid 5083] close(4 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5581] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] <... close resumed>) = 0 [pid 5082] getdents64(4, [pid 5591] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] rmdir("./20/file0" [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5597 attached [pid 5591] <... futex resumed>) = 1 [pid 5590] <... futex resumed>) = 0 [pid 5581] <... clone resumed>, parent_tid=[60], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 60 [pid 5083] <... rmdir resumed>) = 0 [pid 5082] close(4 [pid 5597] set_robust_list(0x7f87c04ef9e0, 24 [pid 5590] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... close resumed>) = 0 [pid 5591] mkdir(".", 0777 [pid 5597] <... set_robust_list resumed>) = 0 [pid 5590] <... futex resumed>) = 0 [pid 5581] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] rmdir("./21/file0" [pid 5597] mkdir(".", 0777 [pid 5591] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5590] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5581] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] lstat("./20/cgroup.cpu", [pid 5082] <... rmdir resumed>) = 0 [pid 5597] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5591] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5597] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5083] unlink("./20/cgroup.cpu" [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... unlink resumed>) = 0 [pid 5082] lstat("./21/cgroup.cpu", [pid 5083] getdents64(3, [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] unlink("./21/cgroup.cpu" [pid 5083] close(3 [pid 5082] <... unlink resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5082] getdents64(3, [pid 5083] rmdir("./20" [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] <... rmdir resumed>) = 0 [pid 5082] close(3 [pid 5083] mkdir("./21", 0777 [pid 5082] <... close resumed>) = 0 [pid 5083] <... mkdir resumed>) = 0 [pid 5082] rmdir("./21" [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5082] <... rmdir resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [ 98.186635][ T5591] overlayfs: upper fs does not support tmpfile. [ 98.198459][ T5589] overlayfs: upper fs does not support tmpfile. [ 98.208016][ T5591] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 98.224082][ T5589] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5082] mkdir("./22", 0777 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5082] <... mkdir resumed>) = 0 [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5083] close(3 [pid 5082] <... openat resumed>) = 3 [pid 5083] <... close resumed>) = 0 [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5598 attached [pid 5082] close(3 [pid 5598] set_robust_list(0x5555565af5e0, 24 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 61 [pid 5082] <... close resumed>) = 0 [pid 5598] <... set_robust_list resumed>) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5599 attached [pid 5598] chdir("./21" [pid 5599] set_robust_list(0x5555565af5e0, 24 [pid 5598] <... chdir resumed>) = 0 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 64 [pid 5599] <... set_robust_list resumed>) = 0 [pid 5598] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5599] chdir("./22" [pid 5598] <... prctl resumed>) = 0 [pid 5599] <... chdir resumed>) = 0 [pid 5598] setpgid(0, 0 [pid 5599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5598] <... setpgid resumed>) = 0 [pid 5599] <... prctl resumed>) = 0 [pid 5598] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5599] setpgid(0, 0 [pid 5598] <... symlink resumed>) = 0 [pid 5588] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5599] <... setpgid resumed>) = 0 [ 98.260269][ T5591] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5598] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5599] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5598] <... symlink resumed>) = 0 [pid 5599] <... symlink resumed>) = 0 [pid 5598] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5599] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5598] <... symlink resumed>) = 0 [pid 5599] <... symlink resumed>) = 0 [pid 5598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5599] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5598] <... openat resumed>) = 3 [pid 5599] <... symlink resumed>) = 0 [pid 5598] write(3, "1000", 4 [pid 5599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5598] <... write resumed>) = 4 [pid 5599] <... openat resumed>) = 3 [pid 5598] close(3 [pid 5599] write(3, "1000", 4 [pid 5598] <... close resumed>) = 0 [pid 5599] <... write resumed>) = 4 [pid 5598] read(200, [pid 5599] close(3 [pid 5598] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5599] <... close resumed>) = 0 [pid 5598] symlink("/dev/binderfs", "./binderfs" [pid 5599] read(200, [pid 5598] <... symlink resumed>) = 0 [pid 5599] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5598] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] symlink("/dev/binderfs", "./binderfs" [pid 5598] <... futex resumed>) = 0 [pid 5599] <... symlink resumed>) = 0 [pid 5598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5599] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] <... mmap resumed>) = 0x7f87c84f0000 [pid 5599] <... futex resumed>) = 0 [pid 5598] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5598] <... mprotect resumed>) = 0 [pid 5597] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5591] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5589] <... mount resumed>) = 0 [pid 5588] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] <... mmap resumed>) = 0x7f87c84f0000 [pid 5598] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5600 attached [pid 5599] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5600] set_robust_list(0x7f87c85109e0, 24 [pid 5599] <... mprotect resumed>) = 0 [pid 5598] <... clone resumed>, parent_tid=[62], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 62 [pid 5597] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] <... futex resumed>) = 0 [pid 5600] <... set_robust_list resumed>) = 0 [pid 5599] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5598] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5597] <... futex resumed>) = 1 [pid 5591] <... futex resumed>) = 1 [pid 5590] <... futex resumed>) = 0 [pid 5589] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5581] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5601 attached [pid 5600] memfd_create("syzkaller", 0 [pid 5598] <... futex resumed>) = 0 [pid 5589] <... futex resumed>) = 0 [pid 5581] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] unlink(NULL [pid 5601] set_robust_list(0x7f87c85109e0, 24 [pid 5600] <... memfd_create resumed>) = 3 [pid 5599] <... clone resumed>, parent_tid=[65], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 65 [pid 5598] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5597] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5590] <... futex resumed>) = 0 [pid 5589] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] <... mmap resumed>) = 0x7f87c04cf000 [pid 5585] <... futex resumed>) = 0 [pid 5581] <... futex resumed>) = 1 [pid 5601] <... set_robust_list resumed>) = 0 [pid 5600] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5599] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5590] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5588] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5585] unlink(NULL [pid 5581] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] memfd_create("syzkaller", 0 [pid 5600] <... mmap resumed>) = 0x7f87c00f0000 [ 98.294084][ T5597] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5599] <... futex resumed>) = 0 [pid 5591] <... futex resumed>) = 0 [pid 5590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5588] <... mprotect resumed>) = 0 [pid 5585] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5601] <... memfd_create resumed>) = 3 [pid 5599] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5591] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5590] close(3 [pid 5588] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5585] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5602 attached [pid 5601] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5590] <... close resumed>) = 0 [pid 5585] <... futex resumed>) = 1 [pid 5581] <... futex resumed>) = 0 [pid 5081] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5602] set_robust_list(0x7f87c04ef9e0, 24 [pid 5601] <... mmap resumed>) = 0x7f87c00f0000 [pid 5590] close(4 [pid 5588] <... clone resumed>, parent_tid=[61], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 61 [pid 5585] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5581] close(3 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5602] <... set_robust_list resumed>) = 0 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5588] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... close resumed>) = 0 [pid 5081] lstat("./21/file0", [pid 5602] mkdir(".", 0777 [pid 5600] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5590] close(5 [pid 5588] <... futex resumed>) = 0 [pid 5581] close(4 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5588] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5602] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5590] close(6 [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5602] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] close(5 [pid 5081] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5590] close(7 [pid 5081] <... openat resumed>) = 4 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] fstat(4, [pid 5590] close(8 [pid 5581] close(6 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(4, [pid 5590] close(9 [pid 5581] close(7 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(4, [pid 5590] close(10 [pid 5581] close(8 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(4 [pid 5590] close(11 [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] close(9 [pid 5081] rmdir("./21/file0" [pid 5590] close(12 [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... rmdir resumed>) = 0 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5590] close(13 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./21/cgroup.cpu", [pid 5590] close(14 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] unlink("./21/cgroup.cpu" [pid 5590] close(15 [pid 5081] <... unlink resumed>) = 0 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(3, [pid 5590] close(16 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 5590] close(17 [pid 5081] <... close resumed>) = 0 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] rmdir("./21" [pid 5590] close(18 [pid 5081] <... rmdir resumed>) = 0 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] mkdir("./22", 0777 [pid 5590] close(19 [pid 5081] <... mkdir resumed>) = 0 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5590] close(20 [pid 5081] <... openat resumed>) = 3 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5590] close(21 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 5590] close(22 [pid 5581] close(10 [pid 5081] <... close resumed>) = 0 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5603 attached [pid 5590] close(23 [pid 5581] close(11 [pid 5603] set_robust_list(0x5555565af5e0, 24 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 66 [pid 5603] <... set_robust_list resumed>) = 0 [pid 5590] close(24 [pid 5581] close(12 [pid 5603] chdir("./22" [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... chdir resumed>) = 0 [pid 5590] close(25 [pid 5581] close(13 [pid 5603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... prctl resumed>) = 0 [pid 5590] close(26 [pid 5581] close(14 [pid 5603] setpgid(0, 0 [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... setpgid resumed>) = 0 [pid 5590] close(27 [pid 5581] close(15 [pid 5603] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... symlink resumed>) = 0 [pid 5590] close(28 [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] close(16 [pid 5603] <... symlink resumed>) = 0 [pid 5590] close(29 [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... symlink resumed>) = 0 [pid 5590] exit_group(0 [pid 5581] close(17 [pid 5603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5591] <... futex resumed>) = ? [pid 5590] <... exit_group resumed>) = ? [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... openat resumed>) = 3 [pid 5602] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5601] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5591] +++ exited with 0 +++ [pid 5590] +++ exited with 0 +++ [pid 5581] close(18 [pid 5603] write(3, "1000", 4 [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... write resumed>) = 4 [pid 5581] close(19 [ 98.420816][ T5602] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5603] close(3 [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5602] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... close resumed>) = 0 [pid 5581] close(20 [pid 5080] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5603] read(200, [pid 5602] <... futex resumed>) = 1 [pid 5588] <... futex resumed>) = 0 [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5603] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5602] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] close(21 [pid 5080] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5603] symlink("/dev/binderfs", "./binderfs" [pid 5589] <... futex resumed>) = 0 [pid 5588] <... futex resumed>) = 1 [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... symlink resumed>) = 0 [pid 5589] unlink(NULL [pid 5588] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5581] close(22 [pid 5080] <... openat resumed>) = 3 [pid 5603] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... futex resumed>) = 0 [pid 5589] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] close(23 [pid 5080] fstat(3, [pid 5603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5589] <... futex resumed>) = 1 [pid 5588] <... futex resumed>) = 0 [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... mmap resumed>) = 0x7f87c84f0000 [pid 5589] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5588] close(3 [pid 5581] close(24 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5603] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5588] <... close resumed>) = 0 [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(3, [pid 5603] <... mprotect resumed>) = 0 [pid 5588] close(4 [pid 5581] close(25 [pid 5603] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 ./strace-static-x86_64: Process 5604 attached [pid 5588] close(5 [pid 5581] close(26 [pid 5080] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5604] set_robust_list(0x7f87c85109e0, 24 [pid 5603] <... clone resumed>, parent_tid=[67], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 67 [pid 5588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5604] <... set_robust_list resumed>) = 0 [pid 5603] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5588] close(6 [pid 5581] close(27 [pid 5080] lstat("./22/binderfs", [pid 5604] memfd_create("syzkaller", 0 [pid 5603] <... futex resumed>) = 0 [pid 5588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5604] <... memfd_create resumed>) = 3 [pid 5603] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5588] close(7 [pid 5581] close(28 [pid 5080] unlink("./22/binderfs" [pid 5604] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] <... mmap resumed>) = 0x7f87c00f0000 [pid 5588] close(8 [pid 5581] close(29 [pid 5080] <... unlink resumed>) = 0 [pid 5588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5581] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5588] close(9 [pid 5581] exit_group(0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5597] <... futex resumed>) = ? [pid 5588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5585] <... futex resumed>) = ? [pid 5581] <... exit_group resumed>) = ? [pid 5080] lstat("./22/cgroup", [pid 5597] +++ exited with 0 +++ [pid 5588] close(10 [pid 5585] +++ exited with 0 +++ [pid 5588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5588] close(11) = -1 EBADF (Bad file descriptor) [pid 5588] close(12) = -1 EBADF (Bad file descriptor) [pid 5588] close(13 [pid 5581] +++ exited with 0 +++ [pid 5588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5588] close(14 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./22/cgroup" [pid 5588] close(15) = -1 EBADF (Bad file descriptor) [pid 5080] <... unlink resumed>) = 0 [pid 5588] close(16) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5588] close(17 [pid 5078] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./22/cgroup.net", [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5588] close(18 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./22/cgroup.net" [pid 5078] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5588] close(19 [pid 5080] <... unlink resumed>) = 0 [pid 5588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... openat resumed>) = 3 [pid 5588] close(20) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(3, [pid 5588] close(21) = -1 EBADF (Bad file descriptor) [pid 5588] close(22) = -1 EBADF (Bad file descriptor) [pid 5588] close(23) = -1 EBADF (Bad file descriptor) [pid 5588] close(24) = -1 EBADF (Bad file descriptor) [pid 5588] close(25) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5588] close(26) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(3, [pid 5588] close(27) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5588] close(28 [pid 5078] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5600] <... write resumed>) = 4194304 [pid 5588] close(29 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5600] munmap(0x7f87c00f0000, 4194304 [pid 5588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5600] <... munmap resumed>) = 0 [pid 5588] exit_group(0 [pid 5078] lstat("./20/binderfs", [pid 5602] <... futex resumed>) = ? [pid 5600] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5589] <... futex resumed>) = ? [pid 5588] <... exit_group resumed>) = ? [pid 5602] +++ exited with 0 +++ [pid 5600] <... openat resumed>) = 4 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5589] +++ exited with 0 +++ [pid 5588] +++ exited with 0 +++ [pid 5078] unlink("./20/binderfs" [pid 5600] ioctl(4, LOOP_SET_FD, 3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} --- [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5078] <... unlink resumed>) = 0 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5079] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5079] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./21/binderfs") = 0 [pid 5079] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] unlink("./21/cgroup") = 0 [pid 5079] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5601] <... write resumed>) = 4194304 [pid 5600] <... ioctl resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./21/cgroup.net") = 0 [pid 5079] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5604] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5601] munmap(0x7f87c00f0000, 4194304 [pid 5078] lstat("./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5601] <... munmap resumed>) = 0 [pid 5600] close(3 [pid 5078] unlink("./20/cgroup" [pid 5601] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5600] <... close resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5601] <... openat resumed>) = 4 [pid 5600] mkdir("./file0", 0777 [pid 5078] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5601] ioctl(4, LOOP_SET_FD, 3 [pid 5600] <... mkdir resumed>) = 0 [ 98.581016][ T5600] loop2: detected capacity change from 0 to 8192 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./20/cgroup.net", [pid 5600] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./20/cgroup.net") = 0 [pid 5078] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5601] <... ioctl resumed>) = 0 [pid 5601] close(3) = 0 [ 98.625960][ T5601] loop5: detected capacity change from 0 to 8192 [ 98.644143][ T5600] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5601] mkdir("./file0", 0777) = 0 [pid 5601] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5604] <... write resumed>) = 4194304 [pid 5604] munmap(0x7f87c00f0000, 4194304) = 0 [ 98.667403][ T5600] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5604] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5080] <... umount2 resumed>) = 0 [pid 5604] ioctl(4, LOOP_SET_FD, 3) = 0 [ 98.707993][ T5601] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 98.710153][ T5600] REISERFS (device loop2): using ordered data mode [ 98.725593][ T5601] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 98.748190][ T5604] loop3: detected capacity change from 0 to 8192 [pid 5604] close(3) = 0 [pid 5604] mkdir("./file0", 0777) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5604] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5080] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./22/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./21/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] fstat(4, [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 98.757437][ T5601] REISERFS (device loop5): using ordered data mode [ 98.764963][ T5601] reiserfs: using flush barriers [ 98.777413][ T5600] reiserfs: using flush barriers [pid 5079] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] getdents64(4, [pid 5079] <... openat resumed>) = 4 [pid 5078] <... umount2 resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] fstat(4, [pid 5080] getdents64(4, [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] getdents64(4, [pid 5080] close(4 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] <... close resumed>) = 0 [pid 5079] getdents64(4, [pid 5080] rmdir("./22/file0" [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 5079] close(4 [pid 5080] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... close resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] rmdir("./21/file0" [pid 5080] lstat("./22/cgroup.cpu", [pid 5079] <... rmdir resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] unlink("./22/cgroup.cpu" [pid 5078] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... unlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] getdents64(3, [ 98.802093][ T5600] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 98.802586][ T5604] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 98.819766][ T5600] REISERFS (device loop2): checking transaction log (loop2) [pid 5079] lstat("./21/cgroup.cpu", [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] close(3 [pid 5079] unlink("./21/cgroup.cpu" [pid 5080] <... close resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5080] rmdir("./22" [pid 5079] getdents64(3, [pid 5080] <... rmdir resumed>) = 0 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] mkdir("./23", 0777 [pid 5079] close(3 [pid 5080] <... mkdir resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5079] rmdir("./21" [pid 5080] <... openat resumed>) = 3 [pid 5079] <... rmdir resumed>) = 0 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5079] mkdir("./22", 0777 [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] <... mkdir resumed>) = 0 [pid 5080] close(3 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5080] <... close resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5078] lstat("./20/file0", [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5079] close(3) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5609 attached [pid 5609] set_robust_list(0x5555565af5e0, 24 [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 64 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 62 [pid 5609] <... set_robust_list resumed>) = 0 [pid 5609] chdir("./22") = 0 [pid 5609] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5608 attached ) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5609] setpgid(0, 0 [pid 5608] set_robust_list(0x5555565af5e0, 24 [ 98.843626][ T5601] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 98.866371][ T5601] REISERFS (device loop5): checking transaction log (loop5) [ 98.876197][ T5601] REISERFS (device loop5): Using r5 hash to sort names [ 98.886134][ T5601] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5078] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5609] <... setpgid resumed>) = 0 [pid 5609] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5608] <... set_robust_list resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5609] <... symlink resumed>) = 0 [pid 5601] <... mount resumed>) = 0 [pid 5609] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5609] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5609] write(3, "1000", 4) = 4 [pid 5608] chdir("./23" [pid 5609] close(3 [pid 5078] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5609] <... close resumed>) = 0 [pid 5608] <... chdir resumed>) = 0 [pid 5609] read(200, [pid 5608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... openat resumed>) = 4 [pid 5609] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] symlink("/dev/binderfs", "./binderfs" [pid 5608] <... prctl resumed>) = 0 [pid 5601] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] fstat(4, [pid 5609] <... symlink resumed>) = 0 [pid 5609] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5609] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5609] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5610 attached [pid 5610] set_robust_list(0x7f87c85109e0, 24 [pid 5609] <... clone resumed>, parent_tid=[63], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 63 [pid 5610] <... set_robust_list resumed>) = 0 [pid 5609] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] memfd_create("syzkaller", 0 [pid 5609] <... futex resumed>) = 0 [pid 5608] setpgid(0, 0 [pid 5601] <... openat resumed>) = 3 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5610] <... memfd_create resumed>) = 3 [ 98.902212][ T5601] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 98.915201][ T5604] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 98.929063][ T5600] REISERFS (device loop2): Using r5 hash to sort names [ 98.937987][ T5600] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5609] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5610] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5608] <... setpgid resumed>) = 0 [pid 5601] chdir("./file0" [pid 5078] getdents64(4, [pid 5608] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5601] <... chdir resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5601] ioctl(4, LOOP_CLR_FD [pid 5078] getdents64(4, [pid 5608] <... symlink resumed>) = 0 [pid 5601] <... ioctl resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5608] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5601] close(4 [pid 5078] close(4 [pid 5608] <... symlink resumed>) = 0 [pid 5601] <... close resumed>) = 0 [pid 5600] <... mount resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5610] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 98.954864][ T5604] REISERFS (device loop3): using ordered data mode [ 98.963446][ T5600] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 98.975773][ T5604] reiserfs: using flush barriers [pid 5608] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5601] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] rmdir("./20/file0" [pid 5608] <... symlink resumed>) = 0 [pid 5601] <... futex resumed>) = 1 [pid 5600] <... openat resumed>) = 3 [pid 5599] <... futex resumed>) = 0 [pid 5608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5601] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] chdir("./file0" [pid 5599] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... rmdir resumed>) = 0 [pid 5608] <... openat resumed>) = 3 [pid 5601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5600] <... chdir resumed>) = 0 [pid 5599] <... futex resumed>) = 0 [pid 5078] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5608] write(3, "1000", 4 [pid 5601] mkdir("./file1", 000 [pid 5600] ioctl(4, LOOP_CLR_FD [pid 5599] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5608] <... write resumed>) = 4 [pid 5601] <... mkdir resumed>) = 0 [pid 5600] <... ioctl resumed>) = 0 [pid 5078] lstat("./20/cgroup.cpu", [pid 5608] close(3 [pid 5601] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] close(4 [pid 5608] <... close resumed>) = 0 [pid 5601] <... futex resumed>) = 1 [pid 5600] <... close resumed>) = 0 [pid 5599] <... futex resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5608] read(200, [pid 5601] mkdir("./bus", 000 [pid 5600] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] unlink("./20/cgroup.cpu" [pid 5610] <... write resumed>) = 4194304 [pid 5608] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5599] <... futex resumed>) = 0 [pid 5601] <... mkdir resumed>) = 0 [pid 5600] <... futex resumed>) = 1 [pid 5598] <... futex resumed>) = 0 [ 98.999871][ T5604] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 99.027900][ T5604] REISERFS (device loop3): checking transaction log (loop3) [pid 5608] symlink("/dev/binderfs", "./binderfs" [pid 5601] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] mkdir("./file1", 000 [pid 5599] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5598] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... unlink resumed>) = 0 [pid 5610] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5610] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5078] getdents64(3, [pid 5610] ioctl(4, LOOP_SET_FD, 3 [pid 5608] <... symlink resumed>) = 0 [pid 5598] <... futex resumed>) = 0 [pid 5600] <... mkdir resumed>) = 0 [pid 5601] <... futex resumed>) = 0 [pid 5599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5610] <... ioctl resumed>) = 0 [pid 5610] close(3) = 0 [pid 5610] mkdir("./file0", 0777) = 0 [pid 5610] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5608] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] mkdir("./file0", 000 [pid 5600] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 99.071534][ T5604] REISERFS (device loop3): Using r5 hash to sort names [ 99.082192][ T5610] loop1: detected capacity change from 0 to 8192 [ 99.082287][ T5604] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 99.106324][ T5604] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5078] close(3 [pid 5608] <... futex resumed>) = 0 [pid 5604] <... mount resumed>) = 0 [pid 5601] <... mkdir resumed>) = 0 [pid 5600] <... futex resumed>) = 0 [pid 5599] <... futex resumed>) = 0 [pid 5598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] <... close resumed>) = 0 [pid 5604] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5604] chdir("./file0") = 0 [pid 5604] ioctl(4, LOOP_CLR_FD [pid 5608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5604] <... ioctl resumed>) = 0 [pid 5600] mkdir("./bus", 000 [pid 5598] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] rmdir("./20" [pid 5604] close(4 [pid 5601] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... mmap resumed>) = 0x7f87c84f0000 [pid 5604] <... close resumed>) = 0 [pid 5601] <... futex resumed>) = 0 [pid 5600] <... mkdir resumed>) = 0 [pid 5599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5598] <... futex resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5608] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5601] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] mkdir("./21", 0777 [pid 5608] <... mprotect resumed>) = 0 [pid 5601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5600] <... futex resumed>) = 0 [pid 5599] <... futex resumed>) = 0 [pid 5598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] <... mkdir resumed>) = 0 [pid 5608] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5601] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5600] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5599] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5598] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5612 attached [pid 5604] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5598] <... futex resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5612] set_robust_list(0x7f87c85109e0, 24 [pid 5608] <... clone resumed>, parent_tid=[65], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 65 [pid 5600] mkdir("./file0", 000 [pid 5598] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5612] <... set_robust_list resumed>) = 0 [pid 5608] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... mkdir resumed>) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5612] memfd_create("syzkaller", 0 [pid 5608] <... futex resumed>) = 0 [pid 5600] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] close(3 [pid 5612] <... memfd_create resumed>) = 3 [pid 5608] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5604] <... futex resumed>) = 1 [pid 5603] <... futex resumed>) = 0 [pid 5600] <... futex resumed>) = 1 [pid 5598] <... futex resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5612] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5600] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5598] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5613 attached [pid 5612] <... mmap resumed>) = 0x7f87c00f0000 [ 99.120050][ T5610] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 99.135346][ T5610] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 99.148618][ T5610] REISERFS (device loop1): using ordered data mode [ 99.156748][ T5601] overlayfs: upper fs needs to support d_type. [ 99.163647][ T5610] reiserfs: using flush barriers [pid 5604] mkdir("./file1", 000 [pid 5603] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5598] <... futex resumed>) = 0 [pid 5600] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5598] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 61 [pid 5603] <... futex resumed>) = 0 [pid 5603] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5613] set_robust_list(0x5555565af5e0, 24 [pid 5604] <... mkdir resumed>) = 0 [pid 5599] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5599] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5599] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5599] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5614 attached [pid 5614] set_robust_list(0x7f87c04ef9e0, 24 [pid 5599] <... clone resumed>, parent_tid=[66], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 66 [pid 5614] <... set_robust_list resumed>) = 0 [pid 5599] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] mkdir(".", 0777 [pid 5599] <... futex resumed>) = 0 [pid 5614] <... mkdir resumed>) = -1 EEXIST (File exists) [ 99.194210][ T5601] overlayfs: upper fs does not support tmpfile. [ 99.205339][ T5600] overlayfs: upper fs needs to support d_type. [ 99.205806][ T5601] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 99.221296][ T5600] overlayfs: upper fs does not support tmpfile. [pid 5613] <... set_robust_list resumed>) = 0 [pid 5612] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5604] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... mount resumed>) = 0 [pid 5599] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5614] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5613] chdir("./21" [pid 5604] <... futex resumed>) = 1 [pid 5603] <... futex resumed>) = 0 [pid 5601] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5613] <... chdir resumed>) = 0 [pid 5604] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5603] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5601] <... futex resumed>) = 0 [pid 5613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] <... futex resumed>) = 0 [pid 5601] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5613] <... prctl resumed>) = 0 [pid 5604] mkdir("./bus", 000 [pid 5603] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5613] setpgid(0, 0 [pid 5604] <... mkdir resumed>) = 0 [pid 5613] <... setpgid resumed>) = 0 [pid 5604] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5604] <... futex resumed>) = 1 [pid 5603] <... futex resumed>) = 0 [pid 5613] <... symlink resumed>) = 0 [pid 5604] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5603] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] <... futex resumed>) = 0 [pid 5613] <... symlink resumed>) = 0 [pid 5604] mkdir("./file0", 000 [pid 5603] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5613] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5604] <... mkdir resumed>) = 0 [pid 5613] <... symlink resumed>) = 0 [pid 5604] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5604] <... futex resumed>) = 1 [pid 5603] <... futex resumed>) = 0 [pid 5613] <... openat resumed>) = 3 [pid 5604] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5603] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] write(3, "1000", 4 [pid 5604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] <... futex resumed>) = 0 [pid 5613] <... write resumed>) = 4 [pid 5604] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5603] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 99.229692][ T5610] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 99.250352][ T5600] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 99.265799][ T5614] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5613] close(3) = 0 [pid 5613] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5613] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5613] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5613] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5613] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5598] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5615 attached ) = 0 [pid 5615] set_robust_list(0x7f87c85109e0, 24 [pid 5613] <... clone resumed>, parent_tid=[62], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 62 [pid 5598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5615] <... set_robust_list resumed>) = 0 [pid 5613] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] memfd_create("syzkaller", 0 [pid 5614] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5613] <... futex resumed>) = 0 [pid 5600] <... mount resumed>) = 0 [pid 5598] <... mmap resumed>) = 0x7f87c04cf000 [pid 5615] <... memfd_create resumed>) = 3 [pid 5614] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5615] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5614] <... futex resumed>) = 1 [pid 5615] <... mmap resumed>) = 0x7f87c00f0000 [pid 5614] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5600] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] <... futex resumed>) = 0 [pid 5598] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5600] <... futex resumed>) = 0 [pid 5599] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] <... mprotect resumed>) = 0 [pid 5601] <... futex resumed>) = 0 [pid 5600] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5599] <... futex resumed>) = 1 [pid 5601] unlink(NULL) = -1 EFAULT (Bad address) [pid 5601] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5601] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5603] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5603] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 99.294412][ T5604] overlayfs: upper fs needs to support d_type. [ 99.307975][ T5610] REISERFS (device loop1): checking transaction log (loop1) [ 99.316164][ T5604] overlayfs: upper fs does not support tmpfile. [ 99.324595][ T5604] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5603] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5612] <... write resumed>) = 4194304 [pid 5604] <... mount resumed>) = 0 [pid 5603] <... mprotect resumed>) = 0 [pid 5599] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5598] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5603] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[68], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 68 [pid 5603] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5603] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5604] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5617 attached ./strace-static-x86_64: Process 5616 attached [pid 5599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5617] set_robust_list(0x7f87c04ef9e0, 24 [pid 5616] set_robust_list(0x7f87c04ef9e0, 24 [pid 5604] <... futex resumed>) = 0 [pid 5599] close(3 [pid 5598] <... clone resumed>, parent_tid=[63], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 63 [pid 5617] <... set_robust_list resumed>) = 0 [pid 5616] <... set_robust_list resumed>) = 0 [pid 5612] munmap(0x7f87c00f0000, 4194304 [pid 5604] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5599] <... close resumed>) = 0 [pid 5598] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] <... munmap resumed>) = 0 [pid 5610] <... mount resumed>) = 0 [pid 5598] <... futex resumed>) = 0 [pid 5617] mkdir(".", 0777 [pid 5616] mkdir(".", 0777 [pid 5612] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5599] close(4 [pid 5598] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5617] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5616] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5615] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5612] <... openat resumed>) = 4 [pid 5610] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 99.339541][ T5610] REISERFS (device loop1): Using r5 hash to sort names [ 99.348771][ T5610] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 99.365232][ T5610] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 99.386223][ T5612] loop4: detected capacity change from 0 to 8192 [pid 5617] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5616] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5612] ioctl(4, LOOP_SET_FD, 3 [pid 5599] close(5) = -1 EBADF (Bad file descriptor) [pid 5599] close(6) = -1 EBADF (Bad file descriptor) [pid 5610] <... openat resumed>) = 3 [pid 5599] close(7 [pid 5610] chdir("./file0") = 0 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5610] ioctl(4, LOOP_CLR_FD [pid 5599] close(8 [pid 5610] <... ioctl resumed>) = 0 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5610] close(4 [pid 5599] close(9 [pid 5610] <... close resumed>) = 0 [pid 5610] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5610] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... futex resumed>) = 0 [pid 5610] mkdir("./file1", 000 [pid 5609] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5610] <... mkdir resumed>) = 0 [pid 5612] <... ioctl resumed>) = 0 [pid 5610] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] close(3 [pid 5610] <... futex resumed>) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5612] <... close resumed>) = 0 [pid 5610] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] mkdir("./file0", 0777 [pid 5610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... futex resumed>) = 0 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] <... mkdir resumed>) = 0 [pid 5610] mkdir("./bus", 000 [pid 5609] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5612] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5610] <... mkdir resumed>) = 0 [pid 5610] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5610] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... futex resumed>) = 0 [pid 5610] mkdir("./file0", 000 [pid 5609] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5610] <... mkdir resumed>) = 0 [pid 5599] close(10 [pid 5610] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5610] <... futex resumed>) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5610] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... futex resumed>) = 0 [pid 5617] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5616] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 99.409724][ T5616] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 99.426389][ T5617] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 99.428981][ T5612] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5610] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5609] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5599] close(11 [pid 5617] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5616] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... futex resumed>) = 1 [pid 5616] <... futex resumed>) = 1 [pid 5603] <... futex resumed>) = 0 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] <... futex resumed>) = 0 [pid 5603] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5603] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5598] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5616] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5604] <... futex resumed>) = 0 [pid 5599] close(12) = -1 EBADF (Bad file descriptor) [pid 5604] unlink(NULL [pid 5599] close(13 [pid 5598] <... futex resumed>) = 1 [pid 5600] <... futex resumed>) = 0 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5598] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5599] close(14 [pid 5604] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] unlink(NULL [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5604] <... futex resumed>) = 1 [pid 5600] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5599] close(15 [pid 5604] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5603] <... futex resumed>) = 0 [pid 5600] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(3 [pid 5599] close(16 [pid 5600] <... futex resumed>) = 1 [pid 5598] <... futex resumed>) = 0 [pid 5603] <... close resumed>) = 0 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(4) = -1 EBADF (Bad file descriptor) [pid 5600] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5603] close(5 [pid 5598] close(3 [pid 5599] close(17 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(6) = -1 EBADF (Bad file descriptor) [pid 5603] close(7) = -1 EBADF (Bad file descriptor) [pid 5603] close(8) = -1 EBADF (Bad file descriptor) [pid 5603] close(9) = -1 EBADF (Bad file descriptor) [pid 5603] close(10) = -1 EBADF (Bad file descriptor) [pid 5603] close(11) = -1 EBADF (Bad file descriptor) [pid 5603] close(12) = -1 EBADF (Bad file descriptor) [ 99.460111][ T5610] overlayfs: upper fs needs to support d_type. [ 99.466679][ T5610] overlayfs: upper fs does not support tmpfile. [ 99.474270][ T5612] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 99.477908][ T5610] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 99.487995][ T5612] REISERFS (device loop4): using ordered data mode [pid 5603] close(13) = -1 EBADF (Bad file descriptor) [pid 5603] close(14 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] <... close resumed>) = 0 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] <... write resumed>) = 4194304 [pid 5603] close(15) = -1 EBADF (Bad file descriptor) [pid 5603] close(16 [pid 5615] munmap(0x7f87c00f0000, 4194304 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(17) = -1 EBADF (Bad file descriptor) [pid 5603] close(18 [pid 5615] <... munmap resumed>) = 0 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(19 [pid 5615] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] <... openat resumed>) = 4 [pid 5603] close(20 [pid 5599] close(18 [pid 5615] ioctl(4, LOOP_SET_FD, 3 [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] close(4 [pid 5603] close(21 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5603] close(22) = -1 EBADF (Bad file descriptor) [pid 5603] close(23) = -1 EBADF (Bad file descriptor) [pid 5603] close(24) = -1 EBADF (Bad file descriptor) [pid 5603] close(25) = -1 EBADF (Bad file descriptor) [pid 5603] close(26) = -1 EBADF (Bad file descriptor) [pid 5603] close(27) = -1 EBADF (Bad file descriptor) [pid 5603] close(28) = -1 EBADF (Bad file descriptor) [pid 5603] close(29) = -1 EBADF (Bad file descriptor) [pid 5603] exit_group(0 [pid 5616] <... futex resumed>) = ? [pid 5604] <... futex resumed>) = ? [pid 5603] <... exit_group resumed>) = ? [pid 5616] +++ exited with 0 +++ [pid 5604] +++ exited with 0 +++ [pid 5603] +++ exited with 0 +++ [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5081] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5599] close(19 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... openat resumed>) = 3 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 99.512368][ T5612] reiserfs: using flush barriers [ 99.520874][ T5612] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 99.522041][ T5615] loop0: detected capacity change from 0 to 8192 [ 99.539563][ T5612] REISERFS (device loop4): checking transaction log (loop4) [pid 5081] fstat(3, [pid 5599] close(20 [pid 5598] close(5 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] unlink("./22/binderfs") = 0 [pid 5081] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] unlink("./22/cgroup") = 0 [pid 5081] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5609] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] lstat("./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./22/cgroup.net") = 0 [pid 5081] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5599] close(21 [pid 5598] close(6 [pid 5609] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5599] close(22) = -1 EBADF (Bad file descriptor) [pid 5598] close(7 [pid 5599] close(23 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5599] close(24 [pid 5598] close(8 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5599] close(25 [pid 5598] close(9 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5599] close(26 [pid 5598] close(10 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5599] close(27 [pid 5598] close(11 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5599] close(28 [pid 5598] close(12 [pid 5609] <... mmap resumed>) = 0x7f87c04cf000 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5610] <... mount resumed>) = 0 [pid 5609] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5610] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... mprotect resumed>) = 0 [pid 5610] <... futex resumed>) = 0 [pid 5609] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5619 attached [pid 5610] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5619] set_robust_list(0x7f87c04ef9e0, 24 [pid 5609] <... clone resumed>, parent_tid=[64], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 64 [pid 5619] <... set_robust_list resumed>) = 0 [pid 5609] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5619] mkdir(".", 0777 [pid 5609] <... futex resumed>) = 0 [pid 5619] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5609] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5619] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5599] close(29 [pid 5598] close(13 [pid 5599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] <... mount resumed>) = 0 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] <... ioctl resumed>) = 0 [pid 5612] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5599] exit_group(0 [pid 5598] close(14 [pid 5615] close(3 [pid 5614] <... futex resumed>) = ? [pid 5612] <... openat resumed>) = 3 [pid 5601] <... futex resumed>) = ? [pid 5599] <... exit_group resumed>) = ? [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] <... close resumed>) = 0 [pid 5614] +++ exited with 0 +++ [pid 5612] chdir("./file0" [pid 5601] +++ exited with 0 +++ [pid 5599] +++ exited with 0 +++ [pid 5598] close(15 [pid 5615] mkdir("./file0", 0777 [pid 5612] <... chdir resumed>) = 0 [ 99.555422][ T5612] REISERFS (device loop4): Using r5 hash to sort names [ 99.564305][ T5612] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 99.585744][ T5612] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5615] <... mkdir resumed>) = 0 [pid 5612] ioctl(4, LOOP_CLR_FD [pid 5598] close(16 [pid 5615] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5612] <... ioctl resumed>) = 0 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] close(4 [pid 5598] close(17 [pid 5612] <... close resumed>) = 0 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] close(18 [pid 5612] <... futex resumed>) = 1 [pid 5608] <... futex resumed>) = 0 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5619] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5612] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5619] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5619] <... futex resumed>) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5082] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5619] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... openat resumed>) = 3 [pid 5610] <... futex resumed>) = 0 [pid 5609] <... futex resumed>) = 1 [pid 5082] fstat(3, [pid 5610] unlink(NULL [pid 5609] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5610] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5082] getdents64(3, [pid 5610] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5610] <... futex resumed>) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5082] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5610] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] close(3 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5609] <... close resumed>) = 0 [pid 5082] lstat("./22/binderfs", [pid 5609] close(4 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./22/binderfs" [pid 5609] close(5 [pid 5082] <... unlink resumed>) = 0 [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 99.617220][ T5619] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 99.639236][ T5615] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 99.655987][ T5615] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5082] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] close(6 [pid 5608] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] close(19 [pid 5081] <... umount2 resumed>) = 0 [pid 5612] mkdir("./file1", 000 [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] <... futex resumed>) = 0 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5612] <... mkdir resumed>) = 0 [pid 5609] close(7 [pid 5608] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5598] close(20 [pid 5082] lstat("./22/cgroup", [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5612] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] lstat("./22/file0", [pid 5612] <... futex resumed>) = 0 [pid 5609] close(8 [pid 5608] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] close(21 [pid 5082] unlink("./22/cgroup" [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5612] mkdir("./bus", 000 [pid 5608] <... futex resumed>) = 0 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] <... mkdir resumed>) = 0 [pid 5608] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5598] close(22 [pid 5612] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] <... futex resumed>) = 0 [pid 5608] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] close(23 [pid 5612] mkdir("./file0", 000 [pid 5608] <... futex resumed>) = 0 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5612] <... mkdir resumed>) = 0 [pid 5608] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5598] close(24 [pid 5612] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 99.676771][ T5615] REISERFS (device loop0): using ordered data mode [ 99.684767][ T5615] reiserfs: using flush barriers [ 99.709495][ T5615] 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 5612] <... futex resumed>) = 0 [pid 5609] close(9 [pid 5608] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5598] close(25 [pid 5082] <... unlink resumed>) = 0 [pid 5081] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5612] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5608] <... futex resumed>) = 0 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5609] close(10 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./22/cgroup.net", [pid 5081] <... openat resumed>) = 4 [pid 5609] close(11 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] fstat(4, [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./22/cgroup.net" [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5609] close(12 [pid 5598] close(26 [pid 5082] <... unlink resumed>) = 0 [pid 5081] getdents64(4, [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5609] close(13 [pid 5608] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5598] close(27 [pid 5081] getdents64(4, [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5609] close(14 [pid 5081] close(4 [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 5609] close(15 [pid 5081] rmdir("./22/file0" [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... rmdir resumed>) = 0 [pid 5609] close(16 [pid 5081] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5609] close(17 [pid 5081] lstat("./22/cgroup.cpu", [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5609] close(18 [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] unlink("./22/cgroup.cpu" [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... unlink resumed>) = 0 [pid 5609] close(19 [pid 5081] getdents64(3, [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5609] close(20 [pid 5081] close(3 [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 5609] close(21 [pid 5081] rmdir("./22" [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... rmdir resumed>) = 0 [pid 5609] close(22 [pid 5598] close(28 [pid 5081] mkdir("./23", 0777 [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... mkdir resumed>) = 0 [pid 5609] close(23 [pid 5598] close(29 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... openat resumed>) = 3 [pid 5609] close(24 [pid 5598] exit_group(0 [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5617] <... futex resumed>) = ? [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5600] <... futex resumed>) = ? [pid 5598] <... exit_group resumed>) = ? [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5609] close(25 [pid 5600] +++ exited with 0 +++ [pid 5081] close(3 [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 5609] close(26 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5621 attached [pid 5609] close(27 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 69 [pid 5621] set_robust_list(0x5555565af5e0, 24 [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] <... set_robust_list resumed>) = 0 [pid 5617] +++ exited with 0 +++ [pid 5609] close(28 [pid 5598] +++ exited with 0 +++ [pid 5621] chdir("./23" [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] <... chdir resumed>) = 0 [pid 5609] close(29 [pid 5621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5609] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5621] <... prctl resumed>) = 0 [pid 5609] exit_group(0 [pid 5621] setpgid(0, 0 [pid 5619] <... futex resumed>) = ? [pid 5610] <... futex resumed>) = ? [pid 5609] <... exit_group resumed>) = ? [pid 5621] <... setpgid resumed>) = 0 [pid 5619] +++ exited with 0 +++ [pid 5610] +++ exited with 0 +++ [pid 5609] +++ exited with 0 +++ [pid 5621] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5083] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5079] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5621] <... symlink resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5079] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5621] <... symlink resumed>) = 0 [pid 5079] fstat(3, [pid 5621] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5083] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5621] <... symlink resumed>) = 0 [pid 5079] getdents64(3, [pid 5621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] <... openat resumed>) = 3 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] fstat(3, [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./22/binderfs", [pid 5621] <... openat resumed>) = 3 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5621] write(3, "1000", 4 [pid 5083] getdents64(3, [pid 5079] unlink("./22/binderfs" [pid 5621] <... write resumed>) = 4 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] <... unlink resumed>) = 0 [pid 5621] close(3 [pid 5083] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5621] <... close resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] read(200, [pid 5079] lstat("./22/cgroup", [pid 5083] lstat("./21/binderfs", [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5621] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] unlink("./22/cgroup" [pid 5621] symlink("/dev/binderfs", "./binderfs" [pid 5083] unlink("./21/binderfs" [pid 5079] <... unlink resumed>) = 0 [pid 5079] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5621] <... symlink resumed>) = 0 [pid 5079] lstat("./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./22/cgroup.net" [pid 5083] <... unlink resumed>) = 0 [pid 5621] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... unlink resumed>) = 0 [ 99.728769][ T5615] REISERFS (device loop0): checking transaction log (loop0) [ 99.731914][ T5612] overlayfs: upper fs needs to support d_type. [ 99.746949][ T5612] overlayfs: upper fs does not support tmpfile. [ 99.756474][ T5615] REISERFS (device loop0): Using r5 hash to sort names [pid 5079] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5621] <... futex resumed>) = 0 [pid 5083] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5621] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] lstat("./21/cgroup", ./strace-static-x86_64: Process 5622 attached [pid 5621] <... clone resumed>, parent_tid=[70], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 70 [pid 5622] set_robust_list(0x7f87c85109e0, 24 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./21/cgroup" [pid 5621] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... set_robust_list resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5621] <... futex resumed>) = 0 [pid 5622] memfd_create("syzkaller", 0 [pid 5621] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5622] <... memfd_create resumed>) = 3 [pid 5083] lstat("./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5083] unlink("./21/cgroup.net" [pid 5622] <... mmap resumed>) = 0x7f87c00f0000 [pid 5083] <... unlink resumed>) = 0 [pid 5612] <... mount resumed>) = 0 [pid 5083] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5612] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = 0 [pid 5608] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5612] <... futex resumed>) = 1 [pid 5608] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5612] mkdir(".", 0777) = -1 EEXIST (File exists) [ 99.802661][ T5612] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 99.838507][ T5615] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 99.876211][ T5612] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5612] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5615] <... mount resumed>) = 0 [pid 5615] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5612] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5615] <... openat resumed>) = 3 [pid 5615] chdir("./file0") = 0 [pid 5615] ioctl(4, LOOP_CLR_FD) = 0 [pid 5612] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] close(4 [pid 5608] <... futex resumed>) = 0 [pid 5608] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5608] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5612] <... futex resumed>) = 1 [ 99.918134][ T5615] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5622] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5082] <... umount2 resumed>) = 0 [pid 5615] <... close resumed>) = 0 [pid 5615] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] unlink(NULL [pid 5615] <... futex resumed>) = 1 [pid 5613] <... futex resumed>) = 0 [pid 5612] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5615] mkdir("./file1", 000 [pid 5613] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5612] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] <... mkdir resumed>) = 0 [pid 5613] <... futex resumed>) = 0 [pid 5612] <... futex resumed>) = 1 [pid 5608] <... futex resumed>) = 0 [pid 5615] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5612] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5608] close(3 [pid 5615] <... futex resumed>) = 0 [pid 5613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5608] <... close resumed>) = 0 [pid 5615] mkdir("./bus", 000 [pid 5613] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] close(4 [pid 5615] <... mkdir resumed>) = 0 [pid 5613] <... futex resumed>) = 0 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5615] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] close(5 [pid 5615] <... futex resumed>) = 0 [pid 5613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] mkdir("./file0", 000 [pid 5613] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] close(6 [pid 5615] <... mkdir resumed>) = 0 [pid 5613] <... futex resumed>) = 0 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5615] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] close(7 [pid 5615] <... futex resumed>) = 0 [pid 5613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5615] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5613] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] close(8) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./22/file0", [pid 5608] close(9) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5608] close(10) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5608] close(11 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = 0 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5608] close(12) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 4 [pid 5608] close(13) = -1 EBADF (Bad file descriptor) [pid 5082] fstat(4, [pid 5608] close(14 [pid 5079] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5608] close(15 [pid 5082] getdents64(4, [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] close(16 [pid 5079] lstat("./22/file0", [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] close(17 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5608] close(18 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(4, [pid 5608] close(19 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(4 [pid 5079] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5608] close(20 [pid 5082] <... close resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] rmdir("./22/file0" [pid 5079] fstat(4, [pid 5608] close(21 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 5608] close(22 [pid 5082] <... rmdir resumed>) = 0 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] getdents64(4, [pid 5613] <... futex resumed>) = 0 [pid 5608] close(23 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = 0 [pid 5082] lstat("./22/cgroup.cpu", [pid 5079] close(4 [pid 5608] close(24 [pid 5079] <... close resumed>) = 0 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./22/file0" [pid 5608] close(25 [pid 5083] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5608] close(26 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] unlink("./22/cgroup.cpu" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./22/cgroup.cpu", [pid 5608] close(27 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./22/cgroup.cpu" [pid 5608] close(28 [pid 5079] <... unlink resumed>) = 0 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 5608] close(29 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(3 [pid 5608] exit_group(0 [pid 5079] <... close resumed>) = 0 [pid 5612] <... futex resumed>) = ? [pid 5608] <... exit_group resumed>) = ? [pid 5079] rmdir("./22" [pid 5612] +++ exited with 0 +++ [pid 5608] +++ exited with 0 +++ [pid 5083] lstat("./21/file0", [pid 5082] <... unlink resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(3, [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5079] mkdir("./23", 0777 [pid 5083] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] <... mkdir resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] close(3 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5613] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] <... close resumed>) = 0 [pid 5080] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... openat resumed>) = 3 [ 100.003653][ T5615] overlayfs: upper fs needs to support d_type. [ 100.034533][ T5615] overlayfs: upper fs does not support tmpfile. [pid 5083] <... openat resumed>) = 4 [pid 5082] rmdir("./22" [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5083] fstat(4, [pid 5082] <... rmdir resumed>) = 0 [pid 5080] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5080] <... openat resumed>) = 3 [pid 5079] close(3 [pid 5622] <... write resumed>) = 4194304 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] mkdir("./23", 0777 [pid 5080] fstat(3, [pid 5079] <... close resumed>) = 0 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] getdents64(3, ./strace-static-x86_64: Process 5623 attached [pid 5083] getdents64(4, [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 65 [pid 5080] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... mkdir resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./23/binderfs", [pid 5623] set_robust_list(0x5555565af5e0, 24 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] unlink("./23/binderfs") = 0 [pid 5080] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] getdents64(4, [pid 5080] lstat("./23/cgroup", [pid 5623] <... set_robust_list resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5623] chdir("./23" [pid 5083] close(4 [pid 5080] unlink("./23/cgroup" [pid 5623] <... chdir resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5080] <... unlink resumed>) = 0 [pid 5623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] rmdir("./21/file0" [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5080] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5623] <... prctl resumed>) = 0 [pid 5083] <... rmdir resumed>) = 0 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] close(3 [pid 5080] lstat("./23/cgroup.net", [pid 5623] setpgid(0, 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... close resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5623] <... setpgid resumed>) = 0 [pid 5083] lstat("./21/cgroup.cpu", [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] unlink("./23/cgroup.net"./strace-static-x86_64: Process 5624 attached [pid 5623] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5624] set_robust_list(0x5555565af5e0, 24 [pid 5080] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5624] <... set_robust_list resumed>) = 0 [pid 5623] <... symlink resumed>) = 0 [pid 5083] unlink("./21/cgroup.cpu" [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 67 [pid 5624] chdir("./23") = 0 [pid 5624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5623] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5622] munmap(0x7f87c00f0000, 4194304 [pid 5615] <... mount resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5624] setpgid(0, 0 [pid 5623] <... symlink resumed>) = 0 [pid 5622] <... munmap resumed>) = 0 [pid 5615] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] getdents64(3, [pid 5624] <... setpgid resumed>) = 0 [ 100.064572][ T5615] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5623] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5622] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5615] <... futex resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5613] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5623] <... symlink resumed>) = 0 [pid 5622] <... openat resumed>) = 4 [pid 5615] mkdir(".", 0777 [pid 5613] <... futex resumed>) = 0 [pid 5083] close(3 [pid 5624] <... symlink resumed>) = 0 [pid 5623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5622] ioctl(4, LOOP_SET_FD, 3 [pid 5615] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5613] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] <... close resumed>) = 0 [pid 5624] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5623] <... openat resumed>) = 3 [pid 5624] <... symlink resumed>) = 0 [pid 5623] write(3, "1000", 4 [pid 5615] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5083] rmdir("./21" [pid 5624] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5623] <... write resumed>) = 4 [pid 5624] <... symlink resumed>) = 0 [pid 5083] <... rmdir resumed>) = 0 [pid 5623] close(3 [pid 5624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5623] <... close resumed>) = 0 [pid 5083] mkdir("./22", 0777 [pid 5624] <... openat resumed>) = 3 [pid 5623] read(200, [pid 5624] write(3, "1000", 4) = 4 [pid 5623] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... mkdir resumed>) = 0 [pid 5624] close(3 [pid 5623] symlink("/dev/binderfs", "./binderfs" [pid 5622] <... ioctl resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5624] <... close resumed>) = 0 [pid 5623] <... symlink resumed>) = 0 [pid 5622] close(3 [pid 5083] <... openat resumed>) = 3 [pid 5623] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... close resumed>) = 0 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5623] <... futex resumed>) = 0 [pid 5622] mkdir("./file0", 0777 [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5622] <... mkdir resumed>) = 0 [pid 5083] close(3 [pid 5624] read(200, [pid 5623] <... mmap resumed>) = 0x7f87c84f0000 [pid 5622] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5083] <... close resumed>) = 0 [pid 5624] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5623] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [ 100.131591][ T5622] loop3: detected capacity change from 0 to 8192 [ 100.158821][ T5615] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5626 attached [pid 5624] symlink("/dev/binderfs", "./binderfs" [pid 5623] <... mprotect resumed>) = 0 [pid 5615] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... umount2 resumed>) = 0 [pid 5626] set_robust_list(0x5555565af5e0, 24 [pid 5624] <... symlink resumed>) = 0 [pid 5623] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5615] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 64 [pid 5080] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5627 attached [pid 5626] <... set_robust_list resumed>) = 0 [pid 5627] set_robust_list(0x7f87c85109e0, 24 [pid 5626] chdir("./22" [pid 5623] <... clone resumed>, parent_tid=[66], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 66 [pid 5627] <... set_robust_list resumed>) = 0 [pid 5626] <... chdir resumed>) = 0 [pid 5623] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] memfd_create("syzkaller", 0 [pid 5626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5623] <... futex resumed>) = 0 [pid 5627] <... memfd_create resumed>) = 3 [pid 5626] <... prctl resumed>) = 0 [pid 5624] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5615] <... futex resumed>) = 1 [pid 5613] <... futex resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5626] setpgid(0, 0 [pid 5624] <... futex resumed>) = 0 [pid 5615] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] lstat("./23/file0", [pid 5627] <... mmap resumed>) = 0x7f87c00f0000 [pid 5626] <... setpgid resumed>) = 0 [pid 5624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5626] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5624] <... mmap resumed>) = 0x7f87c84f0000 [pid 5613] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5626] <... symlink resumed>) = 0 [pid 5624] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5626] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5624] <... mprotect resumed>) = 0 [pid 5080] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5626] <... symlink resumed>) = 0 [pid 5624] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5080] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5628 attached [pid 5626] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5080] fstat(4, [pid 5628] set_robust_list(0x7f87c85109e0, 24 [pid 5626] <... symlink resumed>) = 0 [pid 5624] <... clone resumed>, parent_tid=[68], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 68 [pid 5615] <... futex resumed>) = 0 [pid 5613] <... futex resumed>) = 1 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5628] <... set_robust_list resumed>) = 0 [ 100.184815][ T5622] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 100.207294][ T5622] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 100.218909][ T5622] REISERFS (device loop3): using ordered data mode [ 100.225597][ T5622] reiserfs: using flush barriers [pid 5626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5624] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] unlink(NULL [pid 5613] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] getdents64(4, [pid 5628] memfd_create("syzkaller", 0 [pid 5627] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5626] <... openat resumed>) = 3 [pid 5624] <... futex resumed>) = 0 [pid 5615] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5628] <... memfd_create resumed>) = 3 [pid 5626] write(3, "1000", 4 [pid 5624] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5615] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] getdents64(4, [pid 5628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5626] <... write resumed>) = 4 [pid 5615] <... futex resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5628] <... mmap resumed>) = 0x7f87c00f0000 [pid 5626] close(3 [pid 5615] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] close(4 [pid 5626] <... close resumed>) = 0 [pid 5613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] <... close resumed>) = 0 [pid 5626] read(200, [pid 5613] close(3 [pid 5080] rmdir("./23/file0" [pid 5626] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5613] <... close resumed>) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 5626] symlink("/dev/binderfs", "./binderfs" [pid 5613] close(4 [pid 5080] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5626] <... symlink resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5626] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] lstat("./23/cgroup.cpu", [pid 5626] <... futex resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] unlink("./23/cgroup.cpu" [pid 5626] <... mmap resumed>) = 0x7f87c84f0000 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... unlink resumed>) = 0 [pid 5626] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5613] close(5 [pid 5080] getdents64(3, [pid 5626] <... mprotect resumed>) = 0 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [ 100.252127][ T5622] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 100.281548][ T5622] REISERFS (device loop3): checking transaction log (loop3) [pid 5626] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5613] close(6 [pid 5080] close(3./strace-static-x86_64: Process 5629 attached [pid 5627] <... write resumed>) = 4194304 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = 0 [pid 5629] set_robust_list(0x7f87c85109e0, 24 [pid 5626] <... clone resumed>, parent_tid=[65], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 65 [pid 5080] rmdir("./23" [pid 5629] <... set_robust_list resumed>) = 0 [pid 5626] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] close(7 [pid 5080] <... rmdir resumed>) = 0 [pid 5629] memfd_create("syzkaller", 0 [pid 5626] <... futex resumed>) = 0 [pid 5080] mkdir("./24", 0777 [pid 5629] <... memfd_create resumed>) = 3 [pid 5627] munmap(0x7f87c00f0000, 4194304 [pid 5626] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5622] <... mount resumed>) = 0 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... mkdir resumed>) = 0 [pid 5629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5629] <... mmap resumed>) = 0x7f87c00f0000 [pid 5627] <... munmap resumed>) = 0 [pid 5613] close(8 [pid 5080] <... openat resumed>) = 3 [pid 5628] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5627] <... openat resumed>) = 4 [ 100.296652][ T5622] REISERFS (device loop3): Using r5 hash to sort names [ 100.307274][ T5622] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 100.321526][ T5622] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5613] close(9 [pid 5627] ioctl(4, LOOP_SET_FD, 3 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5627] <... ioctl resumed>) = 0 [pid 5613] close(10 [pid 5080] close(3 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] close(11 [pid 5080] <... close resumed>) = 0 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5613] close(12) = -1 EBADF (Bad file descriptor) [pid 5627] close(3 [pid 5613] close(13 [pid 5627] <... close resumed>) = 0 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] mkdir("./file0", 0777 [pid 5613] close(14 [pid 5629] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5627] <... mkdir resumed>) = 0 [pid 5622] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5630 attached [ 100.349267][ T5627] loop1: detected capacity change from 0 to 8192 [pid 5627] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5622] <... openat resumed>) = 3 [pid 5613] close(15 [pid 5630] set_robust_list(0x5555565af5e0, 24 [pid 5622] chdir("./file0" [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 66 [pid 5630] <... set_robust_list resumed>) = 0 [pid 5622] <... chdir resumed>) = 0 [pid 5613] close(16 [pid 5630] chdir("./24" [pid 5622] ioctl(4, LOOP_CLR_FD [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5630] <... chdir resumed>) = 0 [pid 5622] <... ioctl resumed>) = 0 [pid 5613] close(17 [pid 5630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5622] close(4 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... close resumed>) = 0 [pid 5613] close(18 [pid 5622] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... futex resumed>) = 1 [pid 5621] <... futex resumed>) = 0 [pid 5613] close(19 [pid 5622] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5621] <... futex resumed>) = 0 [pid 5613] close(20 [pid 5622] mkdir("./file1", 000 [pid 5621] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5630] <... prctl resumed>) = 0 [pid 5622] <... mkdir resumed>) = 0 [pid 5613] close(21 [pid 5630] setpgid(0, 0 [pid 5622] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5630] <... setpgid resumed>) = 0 [pid 5622] <... futex resumed>) = 1 [pid 5621] <... futex resumed>) = 0 [pid 5613] close(22 [pid 5630] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5622] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5630] <... symlink resumed>) = 0 [pid 5622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5621] <... futex resumed>) = 0 [pid 5613] close(23 [pid 5630] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5622] mkdir("./bus", 000 [pid 5621] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5630] <... symlink resumed>) = 0 [pid 5622] <... mkdir resumed>) = 0 [pid 5613] close(24 [pid 5622] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... futex resumed>) = 1 [pid 5621] <... futex resumed>) = 0 [pid 5613] close(25 [pid 5622] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5621] <... futex resumed>) = 0 [pid 5613] close(26 [pid 5622] mkdir("./file0", 000 [pid 5621] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5630] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5622] <... mkdir resumed>) = 0 [pid 5613] close(27 [pid 5630] <... symlink resumed>) = 0 [pid 5622] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5622] <... futex resumed>) = 1 [pid 5621] <... futex resumed>) = 0 [pid 5613] close(28 [pid 5630] <... openat resumed>) = 3 [pid 5622] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5630] write(3, "1000", 4 [pid 5622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5621] <... futex resumed>) = 0 [ 100.403795][ T5627] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5613] close(29 [pid 5630] <... write resumed>) = 4 [pid 5622] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5621] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5613] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5630] close(3 [pid 5613] exit_group(0 [pid 5630] <... close resumed>) = 0 [pid 5615] <... futex resumed>) = ? [pid 5613] <... exit_group resumed>) = ? [pid 5630] read(200, [pid 5615] +++ exited with 0 +++ [pid 5613] +++ exited with 0 +++ [pid 5630] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5628] <... write resumed>) = 4194304 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5630] symlink("/dev/binderfs", "./binderfs" [pid 5628] munmap(0x7f87c00f0000, 4194304 [pid 5630] <... symlink resumed>) = 0 [pid 5630] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5628] <... munmap resumed>) = 0 [pid 5630] <... mmap resumed>) = 0x7f87c84f0000 [pid 5628] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5630] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5628] <... openat resumed>) = 4 [pid 5078] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5630] <... mprotect resumed>) = 0 [pid 5628] ioctl(4, LOOP_SET_FD, 3 [pid 5078] <... openat resumed>) = 3 [ 100.460328][ T5622] overlayfs: upper fs needs to support d_type. [ 100.480444][ T5622] overlayfs: upper fs does not support tmpfile. [ 100.487692][ T5627] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 100.499998][ T5628] loop5: detected capacity change from 0 to 8192 [pid 5630] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5632 attached [pid 5629] <... write resumed>) = 4194304 [pid 5078] fstat(3, [pid 5632] set_robust_list(0x7f87c85109e0, 24 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5632] <... set_robust_list resumed>) = 0 [pid 5078] getdents64(3, [pid 5632] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5630] <... clone resumed>, parent_tid=[67], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 67 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./21/binderfs", [pid 5630] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] munmap(0x7f87c00f0000, 4194304 [pid 5628] <... ioctl resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./21/binderfs") = 0 [pid 5078] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./21/cgroup") = 0 [pid 5632] <... futex resumed>) = 0 [pid 5630] <... futex resumed>) = 1 [pid 5628] close(3 [pid 5078] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5632] memfd_create("syzkaller", 0 [pid 5630] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5629] <... munmap resumed>) = 0 [pid 5628] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5632] <... memfd_create resumed>) = 3 [pid 5629] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5628] mkdir("./file0", 0777 [pid 5078] lstat("./21/cgroup.net", [pid 5632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5621] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5632] <... mmap resumed>) = 0x7f87c00f0000 [pid 5622] <... mount resumed>) = 0 [pid 5621] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] unlink("./21/cgroup.net" [pid 5629] <... openat resumed>) = 4 [pid 5628] <... mkdir resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [ 100.501726][ T5622] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 100.515570][ T5627] REISERFS (device loop1): using ordered data mode [ 100.525945][ T5627] reiserfs: using flush barriers [ 100.536532][ T5627] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5078] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5621] <... futex resumed>) = 0 [pid 5622] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5629] ioctl(4, LOOP_SET_FD, 3 [pid 5628] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5622] <... futex resumed>) = 0 [pid 5621] <... mmap resumed>) = 0x7f87c04cf000 [pid 5622] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5621] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[71], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 71 ./strace-static-x86_64: Process 5633 attached [pid 5621] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5621] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5633] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 5633] mkdir(".", 0777) = -1 EEXIST (File exists) [ 100.557260][ T5627] REISERFS (device loop1): checking transaction log (loop1) [ 100.567389][ T5629] loop2: detected capacity change from 0 to 8192 [ 100.583186][ T5628] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 100.600535][ T5627] REISERFS (device loop1): Using r5 hash to sort names [pid 5633] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5629] <... ioctl resumed>) = 0 [pid 5629] close(3 [pid 5632] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5629] <... close resumed>) = 0 [pid 5629] mkdir("./file0", 0777) = 0 [ 100.608275][ T5628] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 100.617983][ T5628] REISERFS (device loop5): using ordered data mode [ 100.627691][ T5628] reiserfs: using flush barriers [ 100.638219][ T5627] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5629] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5627] <... mount resumed>) = 0 [pid 5633] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5627] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5633] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5627] <... openat resumed>) = 3 [pid 5621] <... futex resumed>) = 0 [pid 5621] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] chdir("./file0" [pid 5622] <... futex resumed>) = 0 [pid 5621] <... futex resumed>) = 1 [pid 5627] <... chdir resumed>) = 0 [pid 5622] unlink(NULL [pid 5621] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] ioctl(4, LOOP_CLR_FD [pid 5622] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5627] <... ioctl resumed>) = 0 [pid 5622] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] close(4 [pid 5621] <... futex resumed>) = 0 [pid 5622] <... futex resumed>) = 1 [pid 5627] <... close resumed>) = 0 [pid 5621] close(3 [pid 5622] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... close resumed>) = 0 [pid 5627] <... futex resumed>) = 1 [pid 5621] close(4 [pid 5623] <... futex resumed>) = 0 [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5621] close(5) = -1 EBADF (Bad file descriptor) [pid 5621] close(6 [pid 5623] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] <... futex resumed>) = 0 [pid 5623] <... futex resumed>) = 1 [pid 5627] mkdir("./file1", 000 [pid 5623] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5621] close(7 [pid 5627] <... mkdir resumed>) = 0 [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] close(8) = -1 EBADF (Bad file descriptor) [pid 5621] close(9) = -1 EBADF (Bad file descriptor) [pid 5621] close(10) = -1 EBADF (Bad file descriptor) [pid 5627] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] close(11 [pid 5627] <... futex resumed>) = 1 [pid 5623] <... futex resumed>) = 0 [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5623] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [ 100.639394][ T5633] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 100.651628][ T5627] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 100.682368][ T5629] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5621] close(12 [pid 5627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5623] <... futex resumed>) = 0 [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5627] mkdir("./bus", 000 [pid 5623] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] <... mkdir resumed>) = 0 [pid 5627] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5623] <... futex resumed>) = 0 [pid 5627] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5623] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5623] <... futex resumed>) = 0 [pid 5627] mkdir("./file0", 000 [pid 5623] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] <... mkdir resumed>) = 0 [pid 5627] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5623] <... futex resumed>) = 0 [pid 5627] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5623] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] close(13 [pid 5627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5623] <... futex resumed>) = 0 [pid 5627] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5623] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 100.747576][ T5628] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 100.767595][ T5629] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 100.781835][ T5627] overlayfs: upper fs needs to support d_type. [ 100.788284][ T5629] REISERFS (device loop2): using ordered data mode [pid 5621] close(14) = -1 EBADF (Bad file descriptor) [pid 5621] close(15) = -1 EBADF (Bad file descriptor) [pid 5621] close(16) = -1 EBADF (Bad file descriptor) [pid 5621] close(17) = -1 EBADF (Bad file descriptor) [pid 5621] close(18) = -1 EBADF (Bad file descriptor) [pid 5621] close(19) = -1 EBADF (Bad file descriptor) [pid 5621] close(20) = -1 EBADF (Bad file descriptor) [pid 5621] close(21) = -1 EBADF (Bad file descriptor) [pid 5621] close(22) = -1 EBADF (Bad file descriptor) [pid 5621] close(23) = -1 EBADF (Bad file descriptor) [pid 5621] close(24) = -1 EBADF (Bad file descriptor) [pid 5632] <... write resumed>) = 4194304 [pid 5621] close(25 [pid 5078] <... umount2 resumed>) = 0 [pid 5078] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./21/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5632] munmap(0x7f87c00f0000, 4194304 [pid 5621] close(26) = -1 EBADF (Bad file descriptor) [pid 5621] close(27 [pid 5078] <... openat resumed>) = 4 [pid 5078] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] close(28 [pid 5632] <... munmap resumed>) = 0 [pid 5621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] close(29) = -1 EBADF (Bad file descriptor) [pid 5621] exit_group(0 [pid 5078] getdents64(4, [pid 5633] <... futex resumed>) = ? [pid 5621] <... exit_group resumed>) = ? [pid 5622] <... futex resumed>) = ? [pid 5633] +++ exited with 0 +++ [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] close(4) = 0 [pid 5078] rmdir("./21/file0" [pid 5622] +++ exited with 0 +++ [pid 5621] +++ exited with 0 +++ [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- [pid 5632] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5078] <... rmdir resumed>) = 0 [pid 5632] <... openat resumed>) = 4 [pid 5078] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5632] ioctl(4, LOOP_SET_FD, 3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 100.791532][ T5627] overlayfs: upper fs does not support tmpfile. [ 100.798138][ T5629] reiserfs: using flush barriers [ 100.819077][ T5629] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 100.829902][ T5628] REISERFS (device loop5): checking transaction log (loop5) [pid 5078] lstat("./21/cgroup.cpu", [pid 5081] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./21/cgroup.cpu") = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] close(3) = 0 [pid 5078] rmdir("./21") = 0 [pid 5078] mkdir("./22", 0777) = 0 [pid 5632] <... ioctl resumed>) = 0 [pid 5623] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5078] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5078] close(3 [pid 5632] close(3 [pid 5081] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... close resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5636 attached [pid 5636] set_robust_list(0x5555565af5e0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 63 [pid 5636] <... set_robust_list resumed>) = 0 [pid 5636] chdir("./22" [pid 5632] <... close resumed>) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5632] mkdir("./file0", 0777 [pid 5636] <... chdir resumed>) = 0 [pid 5632] <... mkdir resumed>) = 0 [pid 5081] fstat(3, [pid 5636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5636] setpgid(0, 0 [pid 5632] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5636] <... setpgid resumed>) = 0 [pid 5636] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5081] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5636] <... symlink resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./23/binderfs", [pid 5636] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5636] <... symlink resumed>) = 0 [pid 5623] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] unlink("./23/binderfs" [pid 5636] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5623] <... futex resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5627] <... mount resumed>) = 0 [ 100.858305][ T5632] loop4: detected capacity change from 0 to 8192 [ 100.864481][ T5627] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 100.866485][ T5629] REISERFS (device loop2): checking transaction log (loop2) [pid 5081] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5636] <... openat resumed>) = 3 [pid 5627] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5636] write(3, "1000", 4) = 4 [pid 5636] close(3) = 0 [pid 5636] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5636] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5636] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5636] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5636] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[64], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 64 [pid 5636] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5636] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5638 attached [pid 5627] <... futex resumed>) = 0 [pid 5623] <... mmap resumed>) = 0x7f87c04cf000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 100.904149][ T5632] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 100.913433][ T5629] REISERFS (device loop2): Using r5 hash to sort names [ 100.919645][ T5632] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 100.936486][ T5629] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5638] set_robust_list(0x7f87c85109e0, 24 [pid 5627] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5623] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5081] lstat("./23/cgroup", [pid 5638] <... set_robust_list resumed>) = 0 [pid 5623] <... mprotect resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5638] memfd_create("syzkaller", 0 [pid 5623] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] unlink("./23/cgroup"./strace-static-x86_64: Process 5639 attached [pid 5638] <... memfd_create resumed>) = 3 [pid 5081] <... unlink resumed>) = 0 [pid 5639] set_robust_list(0x7f87c04ef9e0, 24 [pid 5638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5623] <... clone resumed>, parent_tid=[67], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 67 [pid 5081] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5639] <... set_robust_list resumed>) = 0 [pid 5638] <... mmap resumed>) = 0x7f87c00f0000 [pid 5623] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5639] mkdir(".", 0777 [pid 5623] <... futex resumed>) = 0 [pid 5081] lstat("./23/cgroup.net", [pid 5639] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5623] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5639] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 100.952347][ T5632] REISERFS (device loop4): using ordered data mode [ 100.952884][ T5628] REISERFS (device loop5): Using r5 hash to sort names [ 100.960474][ T5632] reiserfs: using flush barriers [ 100.978019][ T5629] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5081] unlink("./23/cgroup.net") = 0 [pid 5629] <... mount resumed>) = 0 [pid 5081] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5629] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5629] chdir("./file0") = 0 [ 100.999174][ T5628] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 100.999605][ T5639] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5629] ioctl(4, LOOP_CLR_FD) = 0 [pid 5629] close(4) = 0 [pid 5629] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5629] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5626] <... futex resumed>) = 0 [pid 5626] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... futex resumed>) = 0 [pid 5626] <... futex resumed>) = 1 [pid 5629] mkdir("./file1", 000 [pid 5626] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5629] <... mkdir resumed>) = 0 [pid 5629] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] <... mount resumed>) = 0 [pid 5628] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5629] <... futex resumed>) = 1 [pid 5629] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5628] <... openat resumed>) = 3 [pid 5626] <... futex resumed>) = 0 [pid 5628] chdir("./file0" [pid 5626] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] <... chdir resumed>) = 0 [pid 5628] ioctl(4, LOOP_CLR_FD [pid 5626] <... futex resumed>) = 1 [pid 5629] <... futex resumed>) = 0 [pid 5628] <... ioctl resumed>) = 0 [pid 5626] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5628] close(4 [pid 5629] mkdir("./bus", 000 [pid 5628] <... close resumed>) = 0 [pid 5629] <... mkdir resumed>) = 0 [pid 5628] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5628] <... futex resumed>) = 1 [pid 5626] <... futex resumed>) = 0 [pid 5624] <... futex resumed>) = 0 [ 101.021974][ T5628] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 101.069117][ T5632] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5629] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5628] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5626] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5624] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5628] mkdir("./file1", 000 [pid 5624] <... futex resumed>) = 0 [pid 5624] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5629] <... futex resumed>) = 0 [pid 5628] <... mkdir resumed>) = 0 [pid 5629] mkdir("./file0", 000 [pid 5628] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5624] <... futex resumed>) = 0 [pid 5629] <... mkdir resumed>) = 0 [pid 5628] mkdir("./bus", 000 [pid 5624] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5629] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] <... mkdir resumed>) = 0 [pid 5624] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5629] <... futex resumed>) = 1 [pid 5628] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = 0 [pid 5626] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] <... futex resumed>) = 0 [pid 5626] <... futex resumed>) = 0 [pid 5628] <... futex resumed>) = 1 [pid 5626] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5628] mkdir("./file0", 000 [pid 5624] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5628] <... mkdir resumed>) = 0 [pid 5624] <... futex resumed>) = 0 [pid 5628] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5628] <... futex resumed>) = 0 [pid 5624] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5624] <... futex resumed>) = 0 [pid 5624] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5626] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5626] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [ 101.128744][ T5632] REISERFS (device loop4): checking transaction log (loop4) [ 101.149167][ T5629] overlayfs: upper fs needs to support d_type. [ 101.155808][ T5629] overlayfs: upper fs does not support tmpfile. [ 101.167166][ T5628] overlayfs: upper fs needs to support d_type. [pid 5626] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5626] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5626] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5640 attached [pid 5640] set_robust_list(0x7f87c04ef9e0, 24 [pid 5626] <... clone resumed>, parent_tid=[66], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 66 [pid 5640] <... set_robust_list resumed>) = 0 [pid 5626] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] mkdir(".", 0777 [pid 5626] <... futex resumed>) = 0 [pid 5640] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5626] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5640] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5081] <... umount2 resumed>) = 0 [pid 5081] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./23/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 101.197900][ T5628] overlayfs: upper fs does not support tmpfile. [ 101.208856][ T5628] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 101.223365][ T5632] REISERFS (device loop4): Using r5 hash to sort names [ 101.225017][ T5629] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5639] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5639] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5623] <... futex resumed>) = 0 [pid 5639] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5623] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... futex resumed>) = 0 [pid 5623] <... futex resumed>) = 1 [pid 5081] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5624] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5627] unlink(NULL [pid 5624] <... futex resumed>) = 0 [pid 5623] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5628] <... mount resumed>) = 0 [pid 5627] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] <... openat resumed>) = 4 [pid 5629] <... mount resumed>) = 0 [pid 5628] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] <... mmap resumed>) = 0x7f87c04cf000 [pid 5081] fstat(4, [pid 5632] <... mount resumed>) = 0 [pid 5629] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] <... futex resumed>) = 0 [pid 5627] <... futex resumed>) = 1 [pid 5624] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5623] <... futex resumed>) = 0 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5627] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5623] close(3 [pid 5629] <... futex resumed>) = 0 [pid 5624] <... mprotect resumed>) = 0 [pid 5623] <... close resumed>) = 0 [pid 5628] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] getdents64(4, [pid 5632] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5629] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5624] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5623] close(4./strace-static-x86_64: Process 5641 attached ) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5641] set_robust_list(0x7f87c04ef9e0, 24 [pid 5632] <... openat resumed>) = 3 [pid 5624] <... clone resumed>, parent_tid=[69], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 69 [ 101.247614][ T5632] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 101.269905][ T5632] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5623] close(5 [pid 5081] getdents64(4, [pid 5623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] close(6) = -1 EBADF (Bad file descriptor) [pid 5623] close(7) = -1 EBADF (Bad file descriptor) [pid 5623] close(8) = -1 EBADF (Bad file descriptor) [pid 5623] close(9) = -1 EBADF (Bad file descriptor) [pid 5623] close(10) = -1 EBADF (Bad file descriptor) [pid 5623] close(11) = -1 EBADF (Bad file descriptor) [pid 5623] close(12) = -1 EBADF (Bad file descriptor) [pid 5623] close(13) = -1 EBADF (Bad file descriptor) [pid 5623] close(14) = -1 EBADF (Bad file descriptor) [pid 5623] close(15) = -1 EBADF (Bad file descriptor) [pid 5623] close(16) = -1 EBADF (Bad file descriptor) [pid 5623] close(17) = -1 EBADF (Bad file descriptor) [pid 5623] close(18) = -1 EBADF (Bad file descriptor) [pid 5623] close(19) = -1 EBADF (Bad file descriptor) [pid 5641] <... set_robust_list resumed>) = 0 [pid 5632] chdir("./file0" [pid 5624] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] close(20 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5641] mkdir(".", 0777 [pid 5632] <... chdir resumed>) = 0 [pid 5624] <... futex resumed>) = 0 [pid 5623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(4 [pid 5641] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5632] ioctl(4, LOOP_CLR_FD [pid 5624] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5623] close(21 [pid 5081] <... close resumed>) = 0 [pid 5641] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5632] <... ioctl resumed>) = 0 [pid 5623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] rmdir("./23/file0" [pid 5632] close(4 [pid 5623] close(22 [pid 5081] <... rmdir resumed>) = 0 [pid 5623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... close resumed>) = 0 [pid 5623] close(23) = -1 EBADF (Bad file descriptor) [pid 5623] close(24) = -1 EBADF (Bad file descriptor) [pid 5623] close(25) = -1 EBADF (Bad file descriptor) [pid 5623] close(26) = -1 EBADF (Bad file descriptor) [pid 5623] close(27) = -1 EBADF (Bad file descriptor) [pid 5623] close(28) = -1 EBADF (Bad file descriptor) [pid 5623] close(29) = -1 EBADF (Bad file descriptor) [pid 5623] exit_group(0 [pid 5639] <... futex resumed>) = ? [pid 5627] <... futex resumed>) = ? [pid 5623] <... exit_group resumed>) = ? [pid 5639] +++ exited with 0 +++ [pid 5627] +++ exited with 0 +++ [pid 5623] +++ exited with 0 +++ [pid 5632] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5632] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 0 [ 101.303245][ T5640] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5081] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5632] mkdir("./file1", 000 [pid 5630] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... write resumed>) = 4194304 [pid 5632] <... mkdir resumed>) = 0 [pid 5630] <... futex resumed>) = 0 [pid 5081] lstat("./23/cgroup.cpu", [pid 5640] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] munmap(0x7f87c00f0000, 4194304 [pid 5632] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5640] <... futex resumed>) = 1 [pid 5638] <... munmap resumed>) = 0 [pid 5632] <... futex resumed>) = 0 [pid 5630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5626] <... futex resumed>) = 0 [pid 5081] unlink("./23/cgroup.cpu" [pid 5640] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5638] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5632] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... unlink resumed>) = 0 [pid 5638] <... openat resumed>) = 4 [pid 5632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] <... futex resumed>) = 0 [pid 5629] <... futex resumed>) = 0 [pid 5626] <... futex resumed>) = 1 [pid 5081] getdents64(3, [pid 5638] ioctl(4, LOOP_SET_FD, 3 [pid 5632] mkdir("./bus", 000 [pid 5630] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5629] unlink(NULL [pid 5626] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5641] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5632] <... mkdir resumed>) = 0 [pid 5079] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5641] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5641] <... futex resumed>) = 1 [pid 5079] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5641] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] <... openat resumed>) = 3 [pid 5632] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] <... futex resumed>) = 0 [pid 5081] close(3 [pid 5079] fstat(3, [pid 5629] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5638] <... ioctl resumed>) = 0 [pid 5632] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5629] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... close resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] close(3 [pid 5632] mkdir("./file0", 000 [pid 5630] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... futex resumed>) = 1 [pid 5626] <... futex resumed>) = 0 [pid 5079] getdents64(3, [pid 5632] <... mkdir resumed>) = 0 [pid 5630] <... futex resumed>) = 0 [pid 5629] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5628] <... futex resumed>) = 0 [pid 5626] close(3 [pid 5624] <... futex resumed>) = 1 [pid 5081] rmdir("./23" [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5632] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5628] unlink(NULL [pid 5626] <... close resumed>) = 0 [pid 5624] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... rmdir resumed>) = 0 [pid 5079] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5632] <... futex resumed>) = 0 [pid 5630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5628] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5626] close(4 [pid 5081] mkdir("./24", 0777 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... close resumed>) = 0 [pid 5632] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5630] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5628] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... mkdir resumed>) = 0 [pid 5079] lstat("./23/binderfs", [pid 5630] <... futex resumed>) = 0 [pid 5628] <... futex resumed>) = 1 [pid 5626] close(5 [pid 5624] <... futex resumed>) = 0 [ 101.344910][ T5641] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 101.356195][ T5638] loop0: detected capacity change from 0 to 8192 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5630] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] unlink("./23/binderfs") = 0 [pid 5079] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] unlink("./23/cgroup") = 0 [pid 5079] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./23/cgroup.net", [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] close(3 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5638] mkdir("./file0", 0777 [pid 5628] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5626] close(6 [pid 5624] <... close resumed>) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5079] unlink("./23/cgroup.net" [pid 5638] <... mkdir resumed>) = 0 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] close(4 [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5638] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5626] close(7 [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] close(5 [pid 5081] close(3 [pid 5632] <... mount resumed>) = 0 [pid 5626] close(8 [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5632] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5632] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5632] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] <... futex resumed>) = 0 [pid 5632] mkdir(".", 0777 [pid 5630] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5632] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5632] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] close(6 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5626] close(9 [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 101.387605][ T5632] overlayfs: upper fs needs to support d_type. [ 101.397210][ T5632] overlayfs: upper fs does not support tmpfile. [ 101.404358][ T5632] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 101.417736][ T5638] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 ./strace-static-x86_64: Process 5643 attached [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] close(7 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 72 [pid 5643] set_robust_list(0x5555565af5e0, 24) = 0 [pid 5626] close(10 [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] close(8 [pid 5643] chdir("./24" [pid 5626] close(11 [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... chdir resumed>) = 0 [pid 5624] close(9 [pid 5626] close(12 [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] close(10 [pid 5643] <... prctl resumed>) = 0 [pid 5632] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5626] close(13 [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] setpgid(0, 0 [pid 5632] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] close(11 [pid 5632] <... futex resumed>) = 1 [pid 5643] <... setpgid resumed>) = 0 [pid 5630] <... futex resumed>) = 0 [pid 5626] close(14 [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] unlink(NULL [pid 5630] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5632] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5630] <... futex resumed>) = 0 [pid 5624] close(12 [pid 5632] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... symlink resumed>) = 0 [pid 5626] close(15 [pid 5630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5632] <... futex resumed>) = 0 [pid 5630] close(3 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] close(13 [pid 5643] <... symlink resumed>) = 0 [pid 5632] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] <... close resumed>) = 0 [pid 5630] close(4 [pid 5626] close(16 [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] close(14 [pid 5643] <... symlink resumed>) = 0 [pid 5626] close(17 [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5630] close(5 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] close(15 [pid 5643] <... openat resumed>) = 3 [pid 5630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(18 [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] write(3, "1000", 4 [pid 5630] close(6 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5630] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] close(19 [pid 5624] close(16 [pid 5643] <... write resumed>) = 4 [pid 5630] close(7) = -1 EBADF (Bad file descriptor) [pid 5630] close(8) = -1 EBADF (Bad file descriptor) [ 101.446331][ T5632] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 101.448645][ T5638] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 101.471163][ T5638] REISERFS (device loop0): using ordered data mode [ 101.484126][ T5638] reiserfs: using flush barriers [pid 5643] close(3 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5630] close(9) = -1 EBADF (Bad file descriptor) [pid 5630] close(10) = -1 EBADF (Bad file descriptor) [pid 5630] close(11) = -1 EBADF (Bad file descriptor) [pid 5630] close(12) = -1 EBADF (Bad file descriptor) [pid 5630] close(13) = -1 EBADF (Bad file descriptor) [pid 5630] close(14) = -1 EBADF (Bad file descriptor) [pid 5630] close(15) = -1 EBADF (Bad file descriptor) [pid 5630] close(16) = -1 EBADF (Bad file descriptor) [pid 5630] close(17) = -1 EBADF (Bad file descriptor) [pid 5630] close(18) = -1 EBADF (Bad file descriptor) [pid 5630] close(19) = -1 EBADF (Bad file descriptor) [pid 5630] close(20) = -1 EBADF (Bad file descriptor) [pid 5630] close(21) = -1 EBADF (Bad file descriptor) [pid 5630] close(22) = -1 EBADF (Bad file descriptor) [pid 5630] close(23) = -1 EBADF (Bad file descriptor) [pid 5630] close(24) = -1 EBADF (Bad file descriptor) [pid 5630] close(25) = -1 EBADF (Bad file descriptor) [pid 5630] close(26) = -1 EBADF (Bad file descriptor) [pid 5630] close(27) = -1 EBADF (Bad file descriptor) [pid 5630] close(28) = -1 EBADF (Bad file descriptor) [pid 5630] close(29) = -1 EBADF (Bad file descriptor) [pid 5630] exit_group(0 [pid 5632] <... futex resumed>) = ? [pid 5630] <... exit_group resumed>) = ? [pid 5632] +++ exited with 0 +++ [pid 5630] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=18 /* 0.18 s */} --- [pid 5080] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5080] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(3, [pid 5643] <... close resumed>) = 0 [pid 5626] close(20 [pid 5624] close(17 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5643] read(200, [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5626] close(21 [pid 5624] close(18 [pid 5643] symlink("/dev/binderfs", "./binderfs" [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... symlink resumed>) = 0 [pid 5626] close(22 [pid 5624] close(19 [pid 5643] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... futex resumed>) = 0 [pid 5626] close(23 [pid 5624] close(20 [pid 5080] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5643] <... mmap resumed>) = 0x7f87c84f0000 [pid 5626] close(24 [pid 5624] close(21 [pid 5080] lstat("./24/binderfs", [pid 5643] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] <... mprotect resumed>) = 0 [pid 5626] close(25 [pid 5624] close(22 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5643] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./24/binderfs"./strace-static-x86_64: Process 5644 attached [pid 5626] close(26 [pid 5624] close(23 [pid 5644] set_robust_list(0x7f87c85109e0, 24 [pid 5643] <... clone resumed>, parent_tid=[73], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 73 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... unlink resumed>) = 0 [pid 5644] <... set_robust_list resumed>) = 0 [pid 5643] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] close(27 [pid 5624] close(24 [pid 5080] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5644] memfd_create("syzkaller", 0 [pid 5643] <... futex resumed>) = 0 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5644] <... memfd_create resumed>) = 3 [pid 5643] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5626] close(28 [pid 5624] close(25 [pid 5080] lstat("./24/cgroup", [pid 5644] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5644] <... mmap resumed>) = 0x7f87c00f0000 [pid 5626] close(29 [pid 5624] close(26 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5626] exit_group(0 [pid 5624] close(27 [pid 5626] <... exit_group resumed>) = ? [pid 5624] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./24/cgroup" [pid 5640] <... futex resumed>) = ? [pid 5629] <... futex resumed>) = ? [pid 5624] close(28) = -1 EBADF (Bad file descriptor) [pid 5629] +++ exited with 0 +++ [pid 5080] <... unlink resumed>) = 0 [pid 5624] close(29) = -1 EBADF (Bad file descriptor) [pid 5624] exit_group(0 [pid 5641] <... futex resumed>) = ? [pid 5624] <... exit_group resumed>) = ? [pid 5641] +++ exited with 0 +++ [pid 5640] +++ exited with 0 +++ [pid 5628] <... futex resumed>) = ? [pid 5626] +++ exited with 0 +++ [pid 5080] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5083] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5628] +++ exited with 0 +++ [pid 5624] +++ exited with 0 +++ [pid 5083] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... openat resumed>) = 3 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5080] lstat("./24/cgroup.net", [pid 5083] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] getdents64(3, [pid 5082] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] unlink("./24/cgroup.net" [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... unlink resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... openat resumed>) = 3 [pid 5083] lstat("./22/binderfs", [pid 5082] fstat(3, [pid 5080] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 101.511062][ T5638] 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 [ 101.530853][ T5638] REISERFS (device loop0): checking transaction log (loop0) [ 101.543503][ T5638] REISERFS (device loop0): Using r5 hash to sort names [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] unlink("./22/binderfs" [pid 5082] getdents64(3, [pid 5083] <... unlink resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./22/cgroup", [pid 5082] lstat("./23/binderfs", [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] unlink("./22/cgroup" [pid 5082] unlink("./23/binderfs" [pid 5083] <... unlink resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5083] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./22/cgroup.net", [pid 5082] lstat("./23/cgroup", [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./22/cgroup.net" [pid 5082] unlink("./23/cgroup" [pid 5083] <... unlink resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5083] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./23/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./23/cgroup.net") = 0 [pid 5082] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = 0 [pid 5079] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./23/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5638] <... mount resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5638] chdir("./file0") = 0 [pid 5638] ioctl(4, LOOP_CLR_FD) = 0 [pid 5638] close(4) = 0 [pid 5638] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5638] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5644] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5636] <... futex resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5636] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... openat resumed>) = 4 [ 101.589280][ T5638] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 101.622505][ T5638] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5638] <... futex resumed>) = 0 [pid 5636] <... futex resumed>) = 1 [pid 5079] fstat(4, [pid 5638] mkdir("./file1", 000 [pid 5636] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] <... mkdir resumed>) = 0 [pid 5079] getdents64(4, [pid 5638] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5638] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] <... futex resumed>) = 0 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5636] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... futex resumed>) = 0 [pid 5636] <... futex resumed>) = 1 [pid 5079] getdents64(4, [pid 5638] mkdir("./bus", 000 [pid 5636] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] close(4 [pid 5638] <... mkdir resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5638] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] rmdir("./23/file0" [pid 5638] <... futex resumed>) = 1 [pid 5636] <... futex resumed>) = 0 [pid 5638] mkdir("./file0", 000 [pid 5636] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... rmdir resumed>) = 0 [pid 5079] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5638] <... mkdir resumed>) = 0 [pid 5636] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./23/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./23/cgroup.cpu") = 0 [pid 5079] getdents64(3, [pid 5638] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] <... futex resumed>) = 0 [pid 5636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5638] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5636] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] close(3) = 0 [pid 5079] rmdir("./23" [pid 5636] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... rmdir resumed>) = 0 [pid 5079] mkdir("./24", 0777) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5079] close(3) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5645 attached [pid 5645] set_robust_list(0x5555565af5e0, 24 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 68 [pid 5645] <... set_robust_list resumed>) = 0 [pid 5645] chdir("./24") = 0 [pid 5645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5645] setpgid(0, 0) = 0 [ 101.704036][ T5638] overlayfs: upper fs needs to support d_type. [pid 5645] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5645] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5645] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5645] write(3, "1000", 4) = 4 [pid 5645] close(3) = 0 [pid 5645] read(200, [pid 5082] <... umount2 resumed>) = 0 [pid 5645] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5645] symlink("/dev/binderfs", "./binderfs" [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5645] <... symlink resumed>) = 0 [pid 5082] lstat("./23/file0", [pid 5645] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5082] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5645] <... mmap resumed>) = 0x7f87c84f0000 [pid 5082] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5645] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5082] <... openat resumed>) = 4 [pid 5645] <... mprotect resumed>) = 0 [pid 5082] fstat(4, [pid 5645] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[69], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 69 [pid 5645] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5645] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5646 attached [pid 5646] set_robust_list(0x7f87c85109e0, 24 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5646] <... set_robust_list resumed>) = 0 [pid 5082] getdents64(4, [pid 5646] memfd_create("syzkaller", 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5646] <... memfd_create resumed>) = 3 [pid 5082] getdents64(4, [pid 5646] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5646] <... mmap resumed>) = 0x7f87c00f0000 [pid 5082] close(4) = 0 [pid 5636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5636] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 101.779191][ T5638] overlayfs: upper fs does not support tmpfile. [pid 5636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5082] rmdir("./23/file0") = 0 [pid 5082] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./23/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./23/cgroup.cpu") = 0 [pid 5082] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] close(3) = 0 [pid 5082] rmdir("./23") = 0 [pid 5082] mkdir("./24", 0777) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5082] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5082] close(3) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] <... umount2 resumed>) = 0 [pid 5083] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./22/file0", ./strace-static-x86_64: Process 5647 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 70 [pid 5647] set_robust_list(0x5555565af5e0, 24 [pid 5083] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5647] <... set_robust_list resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5647] chdir("./24" [pid 5083] <... openat resumed>) = 4 [pid 5647] <... chdir resumed>) = 0 [pid 5083] fstat(4, [pid 5647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5647] <... prctl resumed>) = 0 [pid 5083] getdents64(4, [pid 5647] setpgid(0, 0 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5647] <... setpgid resumed>) = 0 [pid 5083] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5647] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5083] close(4 [pid 5647] <... symlink resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5647] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5083] rmdir("./22/file0" [pid 5647] <... symlink resumed>) = 0 [pid 5083] <... rmdir resumed>) = 0 [pid 5647] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5083] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5647] <... symlink resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 101.829333][ T5638] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5644] <... write resumed>) = 4194304 [pid 5638] <... mount resumed>) = 0 [pid 5636] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5083] lstat("./22/cgroup.cpu", [pid 5647] <... openat resumed>) = 3 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5647] write(3, "1000", 4 [pid 5083] unlink("./22/cgroup.cpu" [pid 5647] <... write resumed>) = 4 [pid 5083] <... unlink resumed>) = 0 [pid 5647] close(3 [pid 5083] getdents64(3, [pid 5647] <... close resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5647] read(200, [pid 5083] close(3 [pid 5647] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5644] munmap(0x7f87c00f0000, 4194304 [pid 5083] <... close resumed>) = 0 [pid 5647] symlink("/dev/binderfs", "./binderfs" [pid 5083] rmdir("./22" [pid 5647] <... symlink resumed>) = 0 [pid 5083] <... rmdir resumed>) = 0 [pid 5647] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... munmap resumed>) = 0 [pid 5083] mkdir("./23", 0777 [pid 5647] <... futex resumed>) = 0 [pid 5644] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5083] <... mkdir resumed>) = 0 [pid 5647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5644] <... openat resumed>) = 4 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5080] <... umount2 resumed>) = 0 [pid 5647] <... mmap resumed>) = 0x7f87c84f0000 [pid 5644] ioctl(4, LOOP_SET_FD, 3 [pid 5083] <... openat resumed>) = 3 [pid 5080] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5647] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5083] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5083] close(3 [pid 5647] <... mprotect resumed>) = 0 [pid 5644] <... ioctl resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5647] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5644] close(3 [pid 5638] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... mprotect resumed>) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] lstat("./24/file0", ./strace-static-x86_64: Process 5649 attached ./strace-static-x86_64: Process 5648 attached [pid 5644] <... close resumed>) = 0 [pid 5638] <... futex resumed>) = 0 [pid 5636] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5650 attached [pid 5649] set_robust_list(0x5555565af5e0, 24 [pid 5648] set_robust_list(0x7f87c85109e0, 24 [pid 5647] <... clone resumed>, parent_tid=[71], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 71 [pid 5644] mkdir("./file0", 0777 [pid 5638] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 67 [pid 5080] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5650] set_robust_list(0x7f87c04ef9e0, 24 [pid 5649] <... set_robust_list resumed>) = 0 [pid 5648] <... set_robust_list resumed>) = 0 [pid 5647] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... mkdir resumed>) = 0 [pid 5636] <... clone resumed>, parent_tid=[65], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 65 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5650] <... set_robust_list resumed>) = 0 [pid 5649] chdir("./23" [pid 5648] memfd_create("syzkaller", 0 [pid 5647] <... futex resumed>) = 0 [pid 5646] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5644] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5636] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5650] mkdir(".", 0777 [pid 5649] <... chdir resumed>) = 0 [pid 5648] <... memfd_create resumed>) = 3 [pid 5647] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5636] <... futex resumed>) = 0 [pid 5080] <... openat resumed>) = 4 [pid 5650] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5648] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5636] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 101.907499][ T5644] loop3: detected capacity change from 0 to 8192 [pid 5080] fstat(4, [pid 5650] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5649] <... prctl resumed>) = 0 [pid 5648] <... mmap resumed>) = 0x7f87c00f0000 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5649] setpgid(0, 0 [pid 5080] getdents64(4, [pid 5649] <... setpgid resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5649] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5080] getdents64(4, [pid 5649] <... symlink resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5649] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5080] close(4 [pid 5649] <... symlink resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 5649] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5080] rmdir("./24/file0" [pid 5649] <... symlink resumed>) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 5649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5649] <... openat resumed>) = 3 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5649] write(3, "1000", 4 [pid 5080] lstat("./24/cgroup.cpu", [pid 5649] <... write resumed>) = 4 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5649] close(3 [pid 5080] unlink("./24/cgroup.cpu" [pid 5649] <... close resumed>) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5649] read(200, [pid 5080] getdents64(3, [pid 5649] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5649] symlink("/dev/binderfs", "./binderfs" [pid 5080] close(3 [pid 5649] <... symlink resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 5649] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 101.943713][ T5644] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 101.961594][ T5644] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 101.971936][ T5644] REISERFS (device loop3): using ordered data mode [ 101.973765][ T5650] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 101.979908][ T5644] reiserfs: using flush barriers [pid 5080] rmdir("./24" [pid 5649] <... futex resumed>) = 0 [pid 5648] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5080] <... rmdir resumed>) = 0 [pid 5649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] mkdir("./25", 0777 [pid 5649] <... mmap resumed>) = 0x7f87c84f0000 [pid 5080] <... mkdir resumed>) = 0 [pid 5649] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5649] <... mprotect resumed>) = 0 [pid 5080] <... openat resumed>) = 3 [pid 5649] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5080] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5652 attached ) = -1 ENXIO (No such device or address) [pid 5652] set_robust_list(0x7f87c85109e0, 24 [pid 5649] <... clone resumed>, parent_tid=[68], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 68 [pid 5080] close(3 [pid 5652] <... set_robust_list resumed>) = 0 [pid 5649] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... close resumed>) = 0 [pid 5652] memfd_create("syzkaller", 0 [pid 5649] <... futex resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5653 attached [pid 5652] <... memfd_create resumed>) = 3 [pid 5649] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5653] set_robust_list(0x5555565af5e0, 24 [pid 5652] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 68 [pid 5653] <... set_robust_list resumed>) = 0 [pid 5652] <... mmap resumed>) = 0x7f87c00f0000 [ 102.003437][ T5644] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5653] chdir("./25") = 0 [pid 5653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5653] setpgid(0, 0) = 0 [pid 5653] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5653] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5653] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5650] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5646] <... write resumed>) = 4194304 [pid 5653] write(3, "1000", 4 [pid 5650] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] <... write resumed>) = 4 [pid 5653] close(3 [pid 5650] <... futex resumed>) = 1 [pid 5636] <... futex resumed>) = 0 [pid 5653] <... close resumed>) = 0 [pid 5653] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5650] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5636] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5638] <... futex resumed>) = 0 [pid 5636] <... futex resumed>) = 1 [pid 5653] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5638] unlink(NULL [pid 5636] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5653] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5646] munmap(0x7f87c00f0000, 4194304 [pid 5638] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5653] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5646] <... munmap resumed>) = 0 [pid 5638] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5654 attached [pid 5652] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5646] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5653] <... clone resumed>, parent_tid=[69], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 69 [pid 5646] <... openat resumed>) = 4 [pid 5653] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] ioctl(4, LOOP_SET_FD, 3 [pid 5653] <... futex resumed>) = 0 [pid 5654] set_robust_list(0x7f87c85109e0, 24 [pid 5653] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5648] <... write resumed>) = 4194304 [pid 5638] <... futex resumed>) = 1 [pid 5636] <... futex resumed>) = 0 [pid 5654] <... set_robust_list resumed>) = 0 [pid 5648] munmap(0x7f87c00f0000, 4194304 [pid 5636] close(3 [pid 5638] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] <... munmap resumed>) = 0 [pid 5654] memfd_create("syzkaller", 0 [pid 5636] <... close resumed>) = 0 [pid 5654] <... memfd_create resumed>) = 3 [pid 5654] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5648] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5636] close(4) = -1 EBADF (Bad file descriptor) [pid 5654] <... mmap resumed>) = 0x7f87c00f0000 [pid 5648] <... openat resumed>) = 4 [pid 5636] close(5 [pid 5646] <... ioctl resumed>) = 0 [pid 5646] close(3) = 0 [pid 5646] mkdir("./file0", 0777) = 0 [ 102.077728][ T5644] REISERFS (device loop3): checking transaction log (loop3) [ 102.115854][ T5646] loop1: detected capacity change from 0 to 8192 [pid 5646] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5648] ioctl(4, LOOP_SET_FD, 3 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(6 [pid 5648] <... ioctl resumed>) = 0 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] close(3 [pid 5636] close(7 [pid 5648] <... close resumed>) = 0 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] mkdir("./file0", 0777 [pid 5636] close(8 [pid 5648] <... mkdir resumed>) = 0 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(9 [pid 5648] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(10) = -1 EBADF (Bad file descriptor) [pid 5636] close(11) = -1 EBADF (Bad file descriptor) [ 102.138232][ T5648] loop5: detected capacity change from 0 to 8192 [ 102.140023][ T5644] REISERFS (device loop3): Using r5 hash to sort names [ 102.161588][ T5646] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5636] close(12) = -1 EBADF (Bad file descriptor) [pid 5654] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5636] close(13 [pid 5652] <... write resumed>) = 4194304 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5652] munmap(0x7f87c00f0000, 4194304 [pid 5636] close(14 [pid 5652] <... munmap resumed>) = 0 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 102.179798][ T5646] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 102.190663][ T5648] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 102.208105][ T5644] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 102.224658][ T5644] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5652] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5636] close(15 [pid 5652] <... openat resumed>) = 4 [pid 5644] <... mount resumed>) = 0 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5652] ioctl(4, LOOP_SET_FD, 3 [pid 5636] close(16 [pid 5644] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(17) = -1 EBADF (Bad file descriptor) [pid 5636] close(18) = -1 EBADF (Bad file descriptor) [pid 5636] close(19) = -1 EBADF (Bad file descriptor) [pid 5636] close(20) = -1 EBADF (Bad file descriptor) [pid 5636] close(21) = -1 EBADF (Bad file descriptor) [pid 5636] close(22) = -1 EBADF (Bad file descriptor) [pid 5636] close(23) = -1 EBADF (Bad file descriptor) [pid 5636] close(24) = -1 EBADF (Bad file descriptor) [pid 5636] close(25) = -1 EBADF (Bad file descriptor) [pid 5636] close(26) = -1 EBADF (Bad file descriptor) [pid 5644] <... openat resumed>) = 3 [pid 5636] close(27) = -1 EBADF (Bad file descriptor) [pid 5636] close(28) = -1 EBADF (Bad file descriptor) [pid 5636] close(29) = -1 EBADF (Bad file descriptor) [pid 5636] exit_group(0 [pid 5650] <... futex resumed>) = ? [pid 5644] chdir("./file0" [pid 5638] <... futex resumed>) = ? [pid 5636] <... exit_group resumed>) = ? [pid 5650] +++ exited with 0 +++ [pid 5644] <... chdir resumed>) = 0 [pid 5638] +++ exited with 0 +++ [pid 5636] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [pid 5644] ioctl(4, LOOP_CLR_FD [pid 5652] <... ioctl resumed>) = 0 [pid 5078] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 102.225229][ T5646] REISERFS (device loop1): using ordered data mode [ 102.234552][ T5648] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 102.245249][ T5652] loop2: detected capacity change from 0 to 8192 [ 102.252330][ T5648] REISERFS (device loop5): using ordered data mode [ 102.268245][ T5648] reiserfs: using flush barriers [ 102.275820][ T5646] reiserfs: using flush barriers [pid 5652] close(3 [pid 5644] <... ioctl resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5652] <... close resumed>) = 0 [pid 5644] close(4 [pid 5078] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./22/binderfs" [pid 5644] <... close resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5644] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5644] <... futex resumed>) = 1 [pid 5643] <... futex resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5644] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] lstat("./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./22/cgroup") = 0 [pid 5078] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 102.283387][ T5648] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 102.302038][ T5648] REISERFS (device loop5): checking transaction log (loop5) [ 102.310153][ T5646] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 102.327531][ T5646] REISERFS (device loop1): checking transaction log (loop1) [pid 5078] unlink("./22/cgroup.net" [pid 5643] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... unlink resumed>) = 0 [pid 5078] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5652] mkdir("./file0", 0777) = 0 [ 102.333182][ T5648] REISERFS (device loop5): Using r5 hash to sort names [ 102.344355][ T5646] REISERFS (device loop1): Using r5 hash to sort names [pid 5652] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5644] <... futex resumed>) = 0 [pid 5643] <... futex resumed>) = 1 [pid 5644] mkdir("./file1", 000) = 0 [pid 5644] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5644] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5643] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [ 102.380631][ T5652] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 102.392978][ T5646] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5643] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... futex resumed>) = 0 [pid 5643] <... futex resumed>) = 1 [pid 5078] <... umount2 resumed>) = 0 [pid 5644] mkdir("./bus", 000 [pid 5643] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5644] <... mkdir resumed>) = 0 [pid 5644] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5644] <... futex resumed>) = 1 [pid 5643] <... futex resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5646] <... mount resumed>) = 0 [pid 5644] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5643] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] lstat("./22/file0", [pid 5644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5643] <... futex resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5644] mkdir("./file0", 000 [pid 5643] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5644] <... mkdir resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5644] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5644] <... futex resumed>) = 1 [pid 5643] <... futex resumed>) = 0 [pid 5078] <... openat resumed>) = 4 [pid 5644] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5643] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] fstat(4, [pid 5644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5643] <... futex resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5646] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5644] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5643] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [ 102.430159][ T5646] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 102.440690][ T5648] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 102.454928][ T5648] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 102.467863][ T5652] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5078] getdents64(4, [pid 5646] <... openat resumed>) = 3 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] close(4) = 0 [pid 5078] rmdir("./22/file0") = 0 [pid 5078] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./22/cgroup.cpu") = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] close(3) = 0 [pid 5078] rmdir("./22") = 0 [pid 5646] chdir("./file0" [pid 5078] mkdir("./23", 0777 [pid 5654] <... write resumed>) = 4194304 [pid 5078] <... mkdir resumed>) = 0 [pid 5646] <... chdir resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5646] ioctl(4, LOOP_CLR_FD [pid 5078] <... openat resumed>) = 3 [pid 5646] <... ioctl resumed>) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5654] munmap(0x7f87c00f0000, 4194304 [pid 5646] close(4 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5654] <... munmap resumed>) = 0 [pid 5646] <... close resumed>) = 0 [ 102.468683][ T5644] overlayfs: upper fs needs to support d_type. [ 102.478059][ T5652] REISERFS (device loop2): using ordered data mode [ 102.492385][ T5652] reiserfs: using flush barriers [ 102.504231][ T5652] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 102.514461][ T5644] overlayfs: upper fs does not support tmpfile. [pid 5078] close(3 [pid 5654] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5646] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5078] <... close resumed>) = 0 [pid 5646] <... futex resumed>) = 1 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5646] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 66 ./strace-static-x86_64: Process 5658 attached [pid 5654] <... openat resumed>) = 4 [pid 5645] <... futex resumed>) = 0 [pid 5654] ioctl(4, LOOP_SET_FD, 3 [pid 5658] set_robust_list(0x5555565af5e0, 24 [pid 5645] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] <... mount resumed>) = 0 [pid 5648] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5658] <... set_robust_list resumed>) = 0 [pid 5648] <... openat resumed>) = 3 [pid 5646] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = 1 [pid 5648] chdir("./file0" [pid 5646] mkdir("./file1", 000 [pid 5648] <... chdir resumed>) = 0 [pid 5646] <... mkdir resumed>) = 0 [pid 5648] ioctl(4, LOOP_CLR_FD [ 102.521440][ T5652] REISERFS (device loop2): checking transaction log (loop2) [ 102.538234][ T5652] REISERFS (device loop2): Using r5 hash to sort names [ 102.540630][ T5654] loop4: detected capacity change from 0 to 8192 [ 102.546195][ T5652] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 102.569203][ T5652] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5646] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] chdir("./23" [pid 5652] <... mount resumed>) = 0 [pid 5648] <... ioctl resumed>) = 0 [pid 5646] <... futex resumed>) = 0 [pid 5645] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] close(4 [pid 5646] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] <... close resumed>) = 0 [pid 5648] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5647] <... futex resumed>) = 0 [pid 5658] <... chdir resumed>) = 0 [pid 5652] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5648] mkdir("./file1", 000 [pid 5647] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5654] <... ioctl resumed>) = 0 [pid 5652] <... openat resumed>) = 3 [pid 5648] <... mkdir resumed>) = 0 [pid 5647] <... futex resumed>) = 0 [pid 5645] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... mount resumed>) = 0 [pid 5643] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... prctl resumed>) = 0 [pid 5654] close(3 [pid 5652] chdir("./file0" [pid 5648] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5646] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = 1 [pid 5644] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... futex resumed>) = 0 [pid 5658] setpgid(0, 0 [pid 5654] <... close resumed>) = 0 [pid 5652] <... chdir resumed>) = 0 [pid 5648] <... futex resumed>) = 0 [pid 5647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5646] mkdir("./bus", 000 [pid 5645] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5644] <... futex resumed>) = 0 [pid 5643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5658] <... setpgid resumed>) = 0 [pid 5654] mkdir("./file0", 0777 [pid 5652] ioctl(4, LOOP_CLR_FD [pid 5648] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... mkdir resumed>) = 0 [pid 5644] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5643] <... mmap resumed>) = 0x7f87c04cf000 [pid 5658] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5654] <... mkdir resumed>) = 0 [pid 5652] <... ioctl resumed>) = 0 [pid 5648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5647] <... futex resumed>) = 0 [pid 5646] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5658] <... symlink resumed>) = 0 [pid 5654] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5652] close(4 [pid 5648] mkdir("./bus", 000 [pid 5647] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5646] <... futex resumed>) = 1 [pid 5645] <... futex resumed>) = 0 [pid 5643] <... mprotect resumed>) = 0 [pid 5658] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5652] <... close resumed>) = 0 [pid 5648] <... mkdir resumed>) = 0 [pid 5646] mkdir("./file0", 000 [pid 5645] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5660 attached [pid 5658] <... symlink resumed>) = 0 [pid 5652] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... mkdir resumed>) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5660] set_robust_list(0x7f87c04ef9e0, 24 [pid 5658] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5652] <... futex resumed>) = 1 [pid 5649] <... futex resumed>) = 0 [pid 5648] <... futex resumed>) = 1 [pid 5647] <... futex resumed>) = 0 [pid 5646] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5643] <... clone resumed>, parent_tid=[74], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 74 [pid 5660] <... set_robust_list resumed>) = 0 [pid 5658] <... symlink resumed>) = 0 [pid 5652] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5649] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5643] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] mkdir(".", 0777 [pid 5658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5649] <... futex resumed>) = 0 [pid 5648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5647] <... futex resumed>) = 0 [pid 5646] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... futex resumed>) = 0 [ 102.581459][ T5644] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5660] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5658] <... openat resumed>) = 3 [pid 5652] mkdir("./file1", 000 [pid 5649] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] mkdir("./file0", 000 [pid 5647] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5645] <... futex resumed>) = 0 [pid 5643] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5660] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5658] write(3, "1000", 4 [pid 5652] <... mkdir resumed>) = 0 [pid 5648] <... mkdir resumed>) = 0 [pid 5646] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5648] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5647] <... futex resumed>) = 0 [pid 5658] <... write resumed>) = 4 [pid 5652] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5647] <... futex resumed>) = 0 [pid 5648] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5647] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5658] close(3 [pid 5652] <... futex resumed>) = 1 [pid 5649] <... futex resumed>) = 0 [pid 5658] <... close resumed>) = 0 [ 102.635863][ T5654] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 102.650365][ T5654] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 102.665016][ T5654] REISERFS (device loop4): using ordered data mode [ 102.676314][ T5646] overlayfs: upper fs needs to support d_type. [pid 5649] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5649] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5658] read(200, [pid 5652] mkdir("./bus", 000 [pid 5658] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5652] <... mkdir resumed>) = 0 [pid 5658] symlink("/dev/binderfs", "./binderfs" [pid 5652] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... symlink resumed>) = 0 [pid 5652] <... futex resumed>) = 1 [pid 5649] <... futex resumed>) = 0 [pid 5647] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5647] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [ 102.684064][ T5648] overlayfs: upper fs needs to support d_type. [ 102.691867][ T5646] overlayfs: upper fs does not support tmpfile. [ 102.701084][ T5648] overlayfs: upper fs does not support tmpfile. [ 102.707052][ T5660] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 102.708274][ T5654] reiserfs: using flush barriers [pid 5647] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5647] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5658] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] mkdir("./file0", 000 [pid 5649] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] <... futex resumed>) = 0 [pid 5652] <... mkdir resumed>) = 0 [pid 5649] <... futex resumed>) = 0 [pid 5647] <... clone resumed>, parent_tid=[72], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 72 [pid 5658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5652] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5647] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5658] <... mmap resumed>) = 0x7f87c84f0000 [pid 5652] <... futex resumed>) = 0 [pid 5649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5658] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5652] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5649] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5658] <... mprotect resumed>) = 0 [pid 5652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5649] <... futex resumed>) = 0 [pid 5645] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5652] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5649] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5645] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5662 attached ./strace-static-x86_64: Process 5661 attached [pid 5662] set_robust_list(0x7f87c85109e0, 24 [pid 5658] <... clone resumed>, parent_tid=[67], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 67 [pid 5648] <... mount resumed>) = 0 [pid 5646] <... mount resumed>) = 0 [pid 5645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5660] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 102.730516][ T5646] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 102.740872][ T5648] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 102.755611][ T5652] overlayfs: upper fs needs to support d_type. [ 102.764677][ T5654] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5662] <... set_robust_list resumed>) = 0 [pid 5661] set_robust_list(0x7f87c04ef9e0, 24 [pid 5660] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... mmap resumed>) = 0x7f87c04cf000 [pid 5658] <... futex resumed>) = 0 [pid 5662] memfd_create("syzkaller", 0 [pid 5661] <... set_robust_list resumed>) = 0 [pid 5660] <... futex resumed>) = 1 [pid 5658] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5649] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5648] <... futex resumed>) = 0 [pid 5646] <... futex resumed>) = 0 [pid 5645] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5643] <... futex resumed>) = 0 [pid 5662] <... memfd_create resumed>) = 3 [pid 5661] mkdir(".", 0777 [pid 5660] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] <... mprotect resumed>) = 0 [pid 5662] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5661] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5649] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5643] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... mmap resumed>) = 0x7f87c00f0000 [pid 5643] <... futex resumed>) = 1 [pid 5661] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5644] <... futex resumed>) = 0 [pid 5643] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5663 attached [pid 5652] <... mount resumed>) = 0 [pid 5649] <... futex resumed>) = 0 [pid 5644] unlink(NULL [pid 5663] set_robust_list(0x7f87c04ef9e0, 24 [pid 5645] <... clone resumed>, parent_tid=[70], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 70 [pid 5644] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5663] <... set_robust_list resumed>) = 0 [pid 5645] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] mkdir(".", 0777 [pid 5645] <... futex resumed>) = 0 [pid 5645] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5644] <... futex resumed>) = 1 [pid 5643] <... futex resumed>) = 0 [pid 5663] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5644] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5643] close(3 [pid 5663] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5643] <... close resumed>) = 0 [pid 5643] close(4) = -1 EBADF (Bad file descriptor) [pid 5643] close(5) = -1 EBADF (Bad file descriptor) [ 102.764721][ T5652] overlayfs: upper fs does not support tmpfile. [ 102.789797][ T5654] REISERFS (device loop4): checking transaction log (loop4) [ 102.793145][ T5652] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 102.815228][ T5654] REISERFS (device loop4): Using r5 hash to sort names [pid 5643] close(6) = -1 EBADF (Bad file descriptor) [pid 5652] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5643] close(7 [pid 5652] <... futex resumed>) = 0 [pid 5649] <... mmap resumed>) = 0x7f87c04cf000 [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5652] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5649] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5643] close(8 [pid 5649] <... mprotect resumed>) = 0 [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5643] close(9) = -1 EBADF (Bad file descriptor) [pid 5649] <... clone resumed>, parent_tid=[69], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 69 [pid 5643] close(10 [pid 5649] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... futex resumed>) = 0 [pid 5643] close(11 [pid 5649] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5643] close(12) = -1 EBADF (Bad file descriptor) [pid 5643] close(13) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5664 attached [pid 5643] close(14 [pid 5664] set_robust_list(0x7f87c04ef9e0, 24 [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5664] <... set_robust_list resumed>) = 0 [pid 5643] close(15) = -1 EBADF (Bad file descriptor) [pid 5664] mkdir(".", 0777 [pid 5643] close(16 [pid 5664] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5664] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5643] close(17) = -1 EBADF (Bad file descriptor) [pid 5643] close(18) = -1 EBADF (Bad file descriptor) [pid 5643] close(19) = -1 EBADF (Bad file descriptor) [pid 5643] close(20) = -1 EBADF (Bad file descriptor) [pid 5643] close(21) = -1 EBADF (Bad file descriptor) [pid 5643] close(22) = -1 EBADF (Bad file descriptor) [ 102.833214][ T5654] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 102.835539][ T5661] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 102.849539][ T5654] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 102.862319][ T5663] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5643] close(23) = -1 EBADF (Bad file descriptor) [pid 5643] close(24) = -1 EBADF (Bad file descriptor) [pid 5643] close(25) = -1 EBADF (Bad file descriptor) [pid 5643] close(26) = -1 EBADF (Bad file descriptor) [pid 5643] close(27) = -1 EBADF (Bad file descriptor) [pid 5643] close(28) = -1 EBADF (Bad file descriptor) [pid 5661] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5643] close(29 [pid 5661] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5661] <... futex resumed>) = 1 [pid 5647] <... futex resumed>) = 0 [pid 5643] exit_group(0 [pid 5661] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5660] <... futex resumed>) = ? [pid 5647] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... futex resumed>) = ? [pid 5643] <... exit_group resumed>) = ? [pid 5660] +++ exited with 0 +++ [pid 5647] <... futex resumed>) = 1 [pid 5644] +++ exited with 0 +++ [pid 5643] +++ exited with 0 +++ [pid 5662] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5648] <... futex resumed>) = 0 [pid 5664] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5663] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5654] <... mount resumed>) = 0 [pid 5647] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] unlink(NULL) = -1 EFAULT (Bad address) [pid 5663] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5654] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5648] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] <... futex resumed>) = 1 [pid 5654] <... openat resumed>) = 3 [pid 5648] <... futex resumed>) = 1 [pid 5647] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5664] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5654] chdir("./file0" [pid 5648] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] close(3 [pid 5645] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... futex resumed>) = 1 [pid 5654] <... chdir resumed>) = 0 [pid 5649] <... futex resumed>) = 0 [pid 5647] <... close resumed>) = 0 [pid 5646] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = 1 [pid 5664] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5654] ioctl(4, LOOP_CLR_FD [pid 5649] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] close(4 [pid 5646] unlink(NULL [pid 5645] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5654] <... ioctl resumed>) = 0 [pid 5652] <... futex resumed>) = 0 [pid 5649] <... futex resumed>) = 1 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5646] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5654] close(4 [pid 5652] unlink(NULL [pid 5649] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5647] close(5 [pid 5646] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5654] <... close resumed>) = 0 [pid 5652] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5646] <... futex resumed>) = 1 [pid 5645] <... futex resumed>) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5654] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] close(6 [pid 5646] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] close(3 [pid 5081] fstat(3, [ 102.906280][ T5664] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5654] <... futex resumed>) = 1 [pid 5653] <... futex resumed>) = 0 [pid 5652] <... futex resumed>) = 1 [pid 5649] <... futex resumed>) = 0 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] <... close resumed>) = 0 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5654] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5653] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5649] close(3 [pid 5647] close(7 [pid 5645] close(4 [pid 5081] getdents64(3, [pid 5654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5653] <... futex resumed>) = 0 [pid 5649] <... close resumed>) = 0 [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5654] mkdir("./file1", 000 [pid 5653] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5649] close(4 [pid 5647] close(8 [pid 5645] close(5 [pid 5081] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5662] <... write resumed>) = 4194304 [pid 5654] <... mkdir resumed>) = 0 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5662] munmap(0x7f87c00f0000, 4194304 [pid 5654] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] close(5 [pid 5647] close(9 [pid 5645] close(6 [pid 5081] lstat("./24/binderfs", [pid 5662] <... munmap resumed>) = 0 [pid 5654] <... futex resumed>) = 1 [pid 5653] <... futex resumed>) = 0 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5662] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5654] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5653] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] close(6 [pid 5647] close(10 [pid 5645] close(7 [pid 5081] unlink("./24/binderfs" [pid 5662] <... openat resumed>) = 4 [pid 5654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5653] <... futex resumed>) = 0 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5662] ioctl(4, LOOP_SET_FD, 3 [pid 5654] mkdir("./bus", 000 [pid 5653] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5649] close(7 [pid 5647] close(11 [pid 5645] close(8 [pid 5081] <... unlink resumed>) = 0 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(8 [pid 5647] close(12 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(9 [pid 5647] close(13 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] <... mkdir resumed>) = 0 [pid 5649] close(10 [pid 5647] close(14 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5662] <... ioctl resumed>) = 0 [pid 5654] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(9 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5662] close(3 [pid 5654] <... futex resumed>) = 1 [pid 5653] <... futex resumed>) = 0 [pid 5649] close(11 [pid 5647] close(15 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./24/cgroup", [pid 5662] <... close resumed>) = 0 [pid 5654] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5653] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(10 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5662] mkdir("./file0", 0777 [pid 5654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5653] <... futex resumed>) = 0 [pid 5649] close(12 [pid 5647] close(16 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] unlink("./24/cgroup" [pid 5662] <... mkdir resumed>) = 0 [pid 5654] mkdir("./file0", 000 [pid 5653] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(11 [pid 5081] <... unlink resumed>) = 0 [pid 5662] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5654] <... mkdir resumed>) = 0 [pid 5649] close(13 [pid 5647] close(17 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5654] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(12 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5654] <... futex resumed>) = 1 [pid 5653] <... futex resumed>) = 0 [pid 5649] close(14 [pid 5647] close(18 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./24/cgroup.net", [pid 5654] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5653] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(13 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5653] <... futex resumed>) = 0 [pid 5649] close(15 [pid 5647] close(19 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] unlink("./24/cgroup.net" [pid 5654] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5653] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(16 [pid 5647] close(20 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(17 [pid 5647] close(21 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(18 [ 102.994679][ T5662] loop0: detected capacity change from 0 to 8192 [ 103.021265][ T5662] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5647] close(22 [pid 5645] close(14 [pid 5081] <... unlink resumed>) = 0 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(19 [pid 5647] close(23 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(15 [pid 5649] close(20 [pid 5647] close(24 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(16 [pid 5649] close(21 [pid 5647] close(25 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(17 [pid 5649] close(22 [pid 5647] close(26 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(18 [ 103.037179][ T5662] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 103.037252][ T5654] overlayfs: upper fs needs to support d_type. [ 103.047059][ T5662] REISERFS (device loop0): using ordered data mode [ 103.061276][ T5662] reiserfs: using flush barriers [ 103.069073][ T5662] 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 [ 103.079461][ T5654] overlayfs: upper fs does not support tmpfile. [pid 5649] close(23 [pid 5647] close(27 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(19 [pid 5649] close(24 [pid 5647] close(28 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(20 [pid 5649] close(25 [pid 5647] close(29 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(21 [pid 5649] close(26 [pid 5647] exit_group(0 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5661] <... futex resumed>) = ? [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] <... futex resumed>) = ? [pid 5647] <... exit_group resumed>) = ? [pid 5645] close(22 [pid 5661] +++ exited with 0 +++ [pid 5654] <... mount resumed>) = 0 [pid 5649] close(27 [pid 5648] +++ exited with 0 +++ [pid 5647] +++ exited with 0 +++ [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5654] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(23 [pid 5654] <... futex resumed>) = 1 [pid 5653] <... futex resumed>) = 0 [pid 5649] close(28 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5654] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5653] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(24 [pid 5654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5653] <... futex resumed>) = 0 [pid 5649] close(29 [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] restart_syscall(<... resuming interrupted clone ...> [pid 5654] mkdir(".", 0777 [pid 5653] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5654] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5645] close(25 [pid 5082] <... restart_syscall resumed>) = 0 [pid 5654] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5649] exit_group(0 [pid 5664] <... futex resumed>) = ? [pid 5652] <... futex resumed>) = ? [pid 5649] <... exit_group resumed>) = ? [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5664] +++ exited with 0 +++ [ 103.094860][ T5654] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 103.113050][ T5662] REISERFS (device loop0): checking transaction log (loop0) [pid 5652] +++ exited with 0 +++ [pid 5649] +++ exited with 0 +++ [pid 5645] close(26) = -1 EBADF (Bad file descriptor) [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5083] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5083] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] unlink("./23/binderfs") = 0 [pid 5083] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./23/cgroup") = 0 [pid 5083] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5645] close(27 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./23/cgroup.net", [pid 5645] close(28 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] unlink("./23/cgroup.net") = 0 [pid 5083] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5645] close(29 [pid 5082] <... openat resumed>) = 3 [pid 5654] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5645] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] fstat(3, [pid 5654] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] exit_group(0 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5663] <... futex resumed>) = ? [pid 5645] <... exit_group resumed>) = ? [pid 5082] getdents64(3, [pid 5663] +++ exited with 0 +++ [pid 5654] <... futex resumed>) = 1 [pid 5653] <... futex resumed>) = 0 [pid 5646] <... futex resumed>) = ? [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5654] unlink(NULL [pid 5653] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] +++ exited with 0 +++ [pid 5645] +++ exited with 0 +++ [pid 5082] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5654] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5653] <... futex resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5654] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] lstat("./24/binderfs", [pid 5654] <... futex resumed>) = 0 [pid 5653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5654] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5653] close(3 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5653] <... close resumed>) = 0 [pid 5082] unlink("./24/binderfs" [pid 5079] <... restart_syscall resumed>) = 0 [pid 5653] close(4) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 5653] close(5 [pid 5082] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(6 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./24/cgroup", [pid 5079] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5653] close(7 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./24/cgroup" [pid 5079] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5653] close(8) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 5653] close(9) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... openat resumed>) = 3 [pid 5653] close(10 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] fstat(3, [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./24/cgroup.net", [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5653] close(11 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] getdents64(3, [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./24/cgroup.net" [pid 5653] close(12 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 5079] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5653] close(13 [pid 5082] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(14 [pid 5079] lstat("./24/binderfs", [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(15) = -1 EBADF (Bad file descriptor) [pid 5653] close(16 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(17 [pid 5079] unlink("./24/binderfs" [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(18) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5653] close(19) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5653] close(20 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./24/cgroup", [pid 5653] close(21) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5653] close(22) = -1 EBADF (Bad file descriptor) [ 103.138978][ T5662] REISERFS (device loop0): Using r5 hash to sort names [ 103.147659][ T5654] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 103.159423][ T5662] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 103.177722][ T5662] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5079] unlink("./24/cgroup" [pid 5653] close(23) = -1 EBADF (Bad file descriptor) [pid 5653] close(24 [pid 5079] <... unlink resumed>) = 0 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5653] close(25 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(26) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./24/cgroup.net", [pid 5653] close(27 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./24/cgroup.net" [pid 5653] close(28) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5653] close(29) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5653] exit_group(0 [pid 5654] <... futex resumed>) = ? [pid 5653] <... exit_group resumed>) = ? [pid 5654] +++ exited with 0 +++ [pid 5653] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5080] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5080] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5080] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5080] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] unlink("./25/binderfs") = 0 [pid 5080] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] unlink("./25/cgroup") = 0 [pid 5080] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./25/cgroup.net") = 0 [pid 5080] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5662] <... mount resumed>) = 0 [pid 5662] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5662] chdir("./file0") = 0 [pid 5662] ioctl(4, LOOP_CLR_FD) = 0 [pid 5662] close(4) = 0 [pid 5081] <... umount2 resumed>) = 0 [pid 5081] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5662] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5662] <... futex resumed>) = 1 [pid 5658] <... futex resumed>) = 0 [pid 5081] lstat("./24/file0", [pid 5662] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5658] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5658] <... futex resumed>) = 0 [pid 5081] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5662] mkdir("./file1", 000 [pid 5658] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5662] <... mkdir resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5662] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... openat resumed>) = 4 [pid 5662] <... futex resumed>) = 1 [pid 5658] <... futex resumed>) = 0 [pid 5081] fstat(4, [pid 5662] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5658] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5658] <... futex resumed>) = 0 [pid 5081] getdents64(4, [pid 5658] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] mkdir("./bus", 000 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5081] close(4) = 0 [pid 5081] rmdir("./24/file0") = 0 [pid 5081] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./24/cgroup.cpu") = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5081] close(3) = 0 [pid 5081] rmdir("./24") = 0 [pid 5081] mkdir("./25", 0777) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5081] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5081] close(3) = 0 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5662] <... mkdir resumed>) = 0 [pid 5662] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 75 [pid 5658] <... futex resumed>) = 0 [pid 5662] <... futex resumed>) = 1 [pid 5658] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5662] mkdir("./file0", 000 [pid 5658] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] <... mkdir resumed>) = 0 [pid 5662] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5658] <... futex resumed>) = 0 [pid 5662] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5658] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5658] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5666 attached [pid 5666] set_robust_list(0x5555565af5e0, 24) = 0 [ 103.324773][ T5662] overlayfs: upper fs needs to support d_type. [ 103.347261][ T5662] overlayfs: upper fs does not support tmpfile. [ 103.354744][ T5662] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5666] chdir("./25") = 0 [pid 5662] <... mount resumed>) = 0 [pid 5658] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] <... umount2 resumed>) = 0 [pid 5082] <... umount2 resumed>) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5662] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5666] <... prctl resumed>) = 0 [pid 5662] <... futex resumed>) = 0 [pid 5658] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5666] setpgid(0, 0 [pid 5662] mkdir(".", 0777 [pid 5658] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] lstat("./23/file0", [pid 5082] lstat("./24/file0", [pid 5079] lstat("./24/file0", [pid 5666] <... setpgid resumed>) = 0 [pid 5662] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5666] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5662] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5083] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5666] <... symlink resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5666] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5083] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5666] <... symlink resumed>) = 0 [pid 5083] <... openat resumed>) = 4 [pid 5082] <... openat resumed>) = 4 [pid 5079] <... openat resumed>) = 4 [pid 5666] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5083] fstat(4, [pid 5082] fstat(4, [pid 5079] fstat(4, [pid 5666] <... symlink resumed>) = 0 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] getdents64(4, [pid 5082] getdents64(4, [pid 5079] getdents64(4, [pid 5666] <... openat resumed>) = 3 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5666] write(3, "1000", 4 [pid 5083] getdents64(4, [pid 5082] getdents64(4, [pid 5079] getdents64(4, [pid 5666] <... write resumed>) = 4 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5666] close(3 [pid 5083] close(4 [pid 5082] close(4 [pid 5079] close(4 [pid 5666] <... close resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5666] read(200, [pid 5083] rmdir("./23/file0" [pid 5082] rmdir("./24/file0" [pid 5079] rmdir("./24/file0" [pid 5666] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... rmdir resumed>) = 0 [pid 5082] <... rmdir resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5666] symlink("/dev/binderfs", "./binderfs" [pid 5083] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5666] <... symlink resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5666] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] lstat("./23/cgroup.cpu", [pid 5082] lstat("./24/cgroup.cpu", [pid 5079] lstat("./24/cgroup.cpu", [pid 5666] <... futex resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] unlink("./23/cgroup.cpu" [pid 5082] unlink("./24/cgroup.cpu" [pid 5079] unlink("./24/cgroup.cpu" [pid 5666] <... mmap resumed>) = 0x7f87c84f0000 [pid 5083] <... unlink resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5666] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5083] getdents64(3, [pid 5082] getdents64(3, [pid 5079] getdents64(3, [pid 5666] <... mprotect resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5666] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] close(3 [pid 5082] close(3 [pid 5079] close(3./strace-static-x86_64: Process 5667 attached [pid 5083] <... close resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5667] set_robust_list(0x7f87c85109e0, 24 [pid 5666] <... clone resumed>, parent_tid=[76], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 76 [pid 5083] rmdir("./23" [pid 5082] rmdir("./24" [pid 5079] rmdir("./24" [pid 5667] <... set_robust_list resumed>) = 0 [pid 5666] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... rmdir resumed>) = 0 [pid 5082] <... rmdir resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5667] memfd_create("syzkaller", 0 [pid 5666] <... futex resumed>) = 0 [pid 5083] mkdir("./24", 0777 [pid 5082] mkdir("./25", 0777 [pid 5079] mkdir("./25", 0777 [pid 5667] <... memfd_create resumed>) = 3 [pid 5666] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] <... mkdir resumed>) = 0 [pid 5082] <... mkdir resumed>) = 0 [pid 5079] <... mkdir resumed>) = 0 [pid 5667] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5667] <... mmap resumed>) = 0x7f87c00f0000 [ 103.441587][ T5662] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5083] <... openat resumed>) = 3 [pid 5082] <... openat resumed>) = 3 [pid 5079] <... openat resumed>) = 3 [pid 5662] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5083] close(3 [pid 5082] close(3 [pid 5079] close(3 [pid 5662] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... close resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5080] <... umount2 resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5662] <... futex resumed>) = 1 [pid 5658] <... futex resumed>) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5669 attached ./strace-static-x86_64: Process 5670 attached ./strace-static-x86_64: Process 5668 attached [pid 5662] unlink(NULL [pid 5658] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5669] set_robust_list(0x5555565af5e0, 24 [pid 5658] <... futex resumed>) = 0 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 70 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 73 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 71 [pid 5668] set_robust_list(0x5555565af5e0, 24 [pid 5670] set_robust_list(0x5555565af5e0, 24 [pid 5669] <... set_robust_list resumed>) = 0 [pid 5662] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5658] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5670] <... set_robust_list resumed>) = 0 [pid 5669] chdir("./25" [pid 5668] <... set_robust_list resumed>) = 0 [pid 5662] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] lstat("./25/file0", [pid 5670] chdir("./25" [pid 5669] <... chdir resumed>) = 0 [pid 5668] chdir("./24" [pid 5662] <... futex resumed>) = 1 [pid 5658] <... futex resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5670] <... chdir resumed>) = 0 [pid 5669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5668] <... chdir resumed>) = 0 [pid 5662] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5658] close(3 [pid 5080] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5669] <... prctl resumed>) = 0 [pid 5668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5658] <... close resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5670] <... prctl resumed>) = 0 [pid 5669] setpgid(0, 0 [pid 5668] <... prctl resumed>) = 0 [pid 5658] close(4 [pid 5080] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5670] setpgid(0, 0 [pid 5669] <... setpgid resumed>) = 0 [pid 5668] setpgid(0, 0 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... openat resumed>) = 4 [pid 5670] <... setpgid resumed>) = 0 [pid 5667] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5658] close(5 [pid 5669] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5668] <... setpgid resumed>) = 0 [pid 5670] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] fstat(4, [pid 5658] close(6) = -1 EBADF (Bad file descriptor) [pid 5658] close(7) = -1 EBADF (Bad file descriptor) [pid 5658] close(8) = -1 EBADF (Bad file descriptor) [pid 5658] close(9) = -1 EBADF (Bad file descriptor) [pid 5658] close(10) = -1 EBADF (Bad file descriptor) [pid 5658] close(11) = -1 EBADF (Bad file descriptor) [pid 5658] close(12) = -1 EBADF (Bad file descriptor) [pid 5658] close(13) = -1 EBADF (Bad file descriptor) [pid 5658] close(14) = -1 EBADF (Bad file descriptor) [pid 5658] close(15) = -1 EBADF (Bad file descriptor) [pid 5658] close(16) = -1 EBADF (Bad file descriptor) [pid 5658] close(17) = -1 EBADF (Bad file descriptor) [pid 5658] close(18) = -1 EBADF (Bad file descriptor) [pid 5669] <... symlink resumed>) = 0 [pid 5658] close(19 [pid 5668] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... symlink resumed>) = 0 [pid 5669] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5658] close(20 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5670] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5669] <... symlink resumed>) = 0 [pid 5668] <... symlink resumed>) = 0 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(4, [pid 5658] close(21) = -1 EBADF (Bad file descriptor) [pid 5658] close(22 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5670] <... symlink resumed>) = 0 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(4, [pid 5669] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5670] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5668] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5658] close(23 [pid 5670] <... symlink resumed>) = 0 [pid 5669] <... symlink resumed>) = 0 [pid 5668] <... symlink resumed>) = 0 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5668] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5658] close(24 [pid 5080] close(4 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] <... symlink resumed>) = 0 [pid 5658] close(25 [pid 5080] <... close resumed>) = 0 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] close(26 [pid 5670] <... openat resumed>) = 3 [pid 5669] <... openat resumed>) = 3 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] rmdir("./25/file0" [pid 5668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5670] write(3, "1000", 4 [pid 5669] write(3, "1000", 4 [pid 5668] <... openat resumed>) = 3 [pid 5658] close(27 [pid 5080] <... rmdir resumed>) = 0 [pid 5670] <... write resumed>) = 4 [pid 5669] <... write resumed>) = 4 [pid 5668] write(3, "1000", 4 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5670] close(3 [pid 5669] close(3 [pid 5668] <... write resumed>) = 4 [pid 5658] close(28 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5670] <... close resumed>) = 0 [pid 5669] <... close resumed>) = 0 [pid 5668] close(3 [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./25/cgroup.cpu", [pid 5670] read(200, [pid 5669] read(200, [pid 5668] <... close resumed>) = 0 [pid 5658] close(29 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5670] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5669] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5668] read(200, [pid 5658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./25/cgroup.cpu" [pid 5670] symlink("/dev/binderfs", "./binderfs" [pid 5669] symlink("/dev/binderfs", "./binderfs" [pid 5668] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5658] exit_group(0 [pid 5080] <... unlink resumed>) = 0 [pid 5670] <... symlink resumed>) = 0 [pid 5669] <... symlink resumed>) = 0 [pid 5668] symlink("/dev/binderfs", "./binderfs" [pid 5667] <... write resumed>) = 4194304 [pid 5662] <... futex resumed>) = ? [pid 5658] <... exit_group resumed>) = ? [pid 5080] getdents64(3, [pid 5670] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... symlink resumed>) = 0 [pid 5667] munmap(0x7f87c00f0000, 4194304 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5667] <... munmap resumed>) = 0 [pid 5669] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5670] <... futex resumed>) = 0 [pid 5662] +++ exited with 0 +++ [pid 5658] +++ exited with 0 +++ [pid 5668] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] close(3 [pid 5670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5669] <... futex resumed>) = 0 [pid 5668] <... futex resumed>) = 0 [pid 5667] <... openat resumed>) = 4 [pid 5080] <... close resumed>) = 0 [pid 5670] <... mmap resumed>) = 0x7f87c84f0000 [pid 5667] ioctl(4, LOOP_SET_FD, 3 [pid 5080] rmdir("./25" [pid 5669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5670] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5669] <... mmap resumed>) = 0x7f87c84f0000 [pid 5668] <... mmap resumed>) = 0x7f87c84f0000 [pid 5080] <... rmdir resumed>) = 0 [pid 5670] <... mprotect resumed>) = 0 [pid 5669] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5668] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5080] mkdir("./26", 0777 [pid 5670] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5669] <... mprotect resumed>) = 0 [pid 5668] <... mprotect resumed>) = 0 [pid 5080] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5671 attached [pid 5669] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5667] <... ioctl resumed>) = 0 [pid 5078] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5672 attached [pid 5671] set_robust_list(0x7f87c85109e0, 24 [pid 5670] <... clone resumed>, parent_tid=[72], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 72 [pid 5668] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5667] close(3 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5673 attached [pid 5672] set_robust_list(0x7f87c85109e0, 24 [pid 5671] <... set_robust_list resumed>) = 0 [pid 5670] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] <... clone resumed>, parent_tid=[74], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 74 [pid 5667] <... close resumed>) = 0 [pid 5080] <... openat resumed>) = 3 [pid 5078] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5673] set_robust_list(0x7f87c85109e0, 24 [pid 5672] <... set_robust_list resumed>) = 0 [pid 5671] memfd_create("syzkaller", 0 [pid 5670] <... futex resumed>) = 0 [pid 5669] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... clone resumed>, parent_tid=[71], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 71 [pid 5667] mkdir("./file0", 0777 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5078] <... openat resumed>) = 3 [pid 5673] <... set_robust_list resumed>) = 0 [pid 5672] memfd_create("syzkaller", 0 [pid 5671] <... memfd_create resumed>) = 3 [pid 5670] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5669] <... futex resumed>) = 0 [pid 5668] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... mkdir resumed>) = 0 [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] fstat(3, [pid 5673] memfd_create("syzkaller", 0 [pid 5672] <... memfd_create resumed>) = 3 [pid 5671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5669] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5668] <... futex resumed>) = 0 [pid 5667] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5080] close(3 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5673] <... memfd_create resumed>) = 3 [pid 5672] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5671] <... mmap resumed>) = 0x7f87c00f0000 [pid 5668] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] getdents64(3, [pid 5673] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5672] <... mmap resumed>) = 0x7f87c00f0000 [pid 5080] <... close resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5673] <... mmap resumed>) = 0x7f87c00f0000 [pid 5078] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./23/binderfs") = 0 [pid 5078] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./23/cgroup") = 0 [pid 5078] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5675 attached ) = -1 EINVAL (Invalid argument) [pid 5675] set_robust_list(0x5555565af5e0, 24 [pid 5078] lstat("./23/cgroup.net", [pid 5675] <... set_robust_list resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5675] chdir("./26" [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 70 [ 103.626988][ T5667] loop3: detected capacity change from 0 to 8192 [ 103.661048][ T5667] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5078] unlink("./23/cgroup.net" [pid 5675] <... chdir resumed>) = 0 [pid 5671] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5078] <... unlink resumed>) = 0 [pid 5675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5675] <... prctl resumed>) = 0 [pid 5672] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5675] setpgid(0, 0) = 0 [pid 5675] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5675] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5675] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5675] write(3, "1000", 4) = 4 [pid 5675] close(3) = 0 [pid 5675] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5675] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5675] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5675] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5675] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5676 attached [pid 5676] set_robust_list(0x7f87c85109e0, 24 [pid 5675] <... clone resumed>, parent_tid=[71], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 71 [pid 5676] <... set_robust_list resumed>) = 0 [pid 5675] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5676] memfd_create("syzkaller", 0 [pid 5675] <... futex resumed>) = 0 [pid 5676] <... memfd_create resumed>) = 3 [pid 5675] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5676] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 103.719663][ T5667] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 5671] <... write resumed>) = 4194304 [pid 5671] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5676] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5671] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 103.769603][ T5667] REISERFS (device loop3): using ordered data mode [ 103.793202][ T5667] reiserfs: using flush barriers [pid 5671] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5671] close(3) = 0 [pid 5671] mkdir("./file0", 0777) = 0 [ 103.815774][ T5671] loop1: detected capacity change from 0 to 8192 [ 103.860516][ T5667] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 103.869004][ T5671] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5671] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5673] <... write resumed>) = 4194304 [pid 5673] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 5673] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5673] ioctl(4, LOOP_SET_FD, 3 [pid 5676] <... write resumed>) = 4194304 [pid 5673] <... ioctl resumed>) = 0 [pid 5676] munmap(0x7f87c00f0000, 4194304 [pid 5673] close(3) = 0 [pid 5673] mkdir("./file0", 0777 [pid 5676] <... munmap resumed>) = 0 [pid 5676] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5676] ioctl(4, LOOP_SET_FD, 3 [pid 5673] <... mkdir resumed>) = 0 [ 103.908145][ T5671] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 103.929039][ T5673] loop2: detected capacity change from 0 to 8192 [ 103.933398][ T5667] REISERFS (device loop3): checking transaction log (loop3) [ 103.944456][ T5671] REISERFS (device loop1): using ordered data mode [ 103.950822][ T5676] loop4: detected capacity change from 0 to 8192 [pid 5673] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5078] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5672] <... write resumed>) = 4194304 [pid 5676] <... ioctl resumed>) = 0 [pid 5672] munmap(0x7f87c00f0000, 4194304 [pid 5078] lstat("./23/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 103.951898][ T5671] reiserfs: using flush barriers [ 103.968612][ T5671] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 103.971642][ T5673] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 103.985435][ T5667] REISERFS (device loop3): Using r5 hash to sort names [pid 5078] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5667] <... mount resumed>) = 0 [pid 5676] close(3 [pid 5078] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5676] <... close resumed>) = 0 [pid 5078] <... openat resumed>) = 4 [pid 5676] mkdir("./file0", 0777 [pid 5078] fstat(4, [pid 5676] <... mkdir resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5676] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5078] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] close(4) = 0 [pid 5078] rmdir("./23/file0") = 0 [pid 5672] <... munmap resumed>) = 0 [pid 5667] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./23/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5672] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5078] unlink("./23/cgroup.cpu") = 0 [pid 5672] <... openat resumed>) = 4 [pid 5078] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] close(3) = 0 [pid 5078] rmdir("./23" [pid 5667] <... openat resumed>) = 3 [pid 5078] <... rmdir resumed>) = 0 [ 104.007394][ T5667] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 104.008042][ T5671] REISERFS (device loop1): checking transaction log (loop1) [ 104.021060][ T5667] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 104.039360][ T5673] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 104.051683][ T5673] REISERFS (device loop2): using ordered data mode [pid 5672] ioctl(4, LOOP_SET_FD, 3 [pid 5667] chdir("./file0" [pid 5078] mkdir("./24", 0777) = 0 [pid 5667] <... chdir resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5078] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 104.059404][ T5673] reiserfs: using flush barriers [ 104.061331][ T5676] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 104.067003][ T5673] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 104.082833][ T5672] loop5: detected capacity change from 0 to 8192 [ 104.097640][ T5673] REISERFS (device loop2): checking transaction log (loop2) [pid 5078] close(3 [pid 5667] ioctl(4, LOOP_CLR_FD [pid 5078] <... close resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5667] <... ioctl resumed>) = 0 [pid 5667] close(4./strace-static-x86_64: Process 5680 attached ) = 0 [pid 5680] set_robust_list(0x5555565af5e0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 68 [pid 5680] <... set_robust_list resumed>) = 0 [pid 5680] chdir("./24") = 0 [pid 5680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5680] setpgid(0, 0) = 0 [pid 5680] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5680] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5667] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5667] <... futex resumed>) = 1 [pid 5666] <... futex resumed>) = 0 [pid 5680] <... symlink resumed>) = 0 [pid 5680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5680] write(3, "1000", 4) = 4 [pid 5680] close(3) = 0 [pid 5680] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5680] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5680] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5667] mkdir("./file1", 000 [pid 5666] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5666] <... futex resumed>) = 0 [pid 5666] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5680] <... mprotect resumed>) = 0 [pid 5667] <... mkdir resumed>) = 0 [pid 5680] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5681 attached [pid 5681] set_robust_list(0x7f87c85109e0, 24 [pid 5680] <... clone resumed>, parent_tid=[69], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 69 [pid 5681] <... set_robust_list resumed>) = 0 [pid 5680] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] memfd_create("syzkaller", 0 [pid 5680] <... futex resumed>) = 0 [pid 5681] <... memfd_create resumed>) = 3 [pid 5680] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5681] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 104.115383][ T5671] REISERFS (device loop1): Using r5 hash to sort names [ 104.125590][ T5673] REISERFS (device loop2): Using r5 hash to sort names [ 104.134304][ T5671] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5667] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 104.150064][ T5673] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 104.167702][ T5671] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5667] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5666] <... futex resumed>) = 0 [pid 5672] <... ioctl resumed>) = 0 [pid 5672] close(3) = 0 [pid 5672] mkdir("./file0", 0777) = 0 [pid 5672] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5666] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5666] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] <... futex resumed>) = 0 [pid 5667] mkdir("./bus", 000) = 0 [pid 5667] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5666] <... futex resumed>) = 0 [ 104.181079][ T5676] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 104.204641][ T5673] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5673] <... mount resumed>) = 0 [pid 5671] <... mount resumed>) = 0 [pid 5667] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5666] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5667] mkdir("./file0", 000) = 0 [pid 5667] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5667] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5673] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5671] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5666] <... futex resumed>) = 1 [pid 5671] <... openat resumed>) = 3 [pid 5667] <... futex resumed>) = 0 [pid 5666] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] <... openat resumed>) = 3 [pid 5671] chdir("./file0" [pid 5667] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5673] chdir("./file0" [pid 5671] <... chdir resumed>) = 0 [pid 5666] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... chdir resumed>) = 0 [pid 5671] ioctl(4, LOOP_CLR_FD [pid 5667] <... futex resumed>) = 0 [pid 5666] <... futex resumed>) = 1 [pid 5673] ioctl(4, LOOP_CLR_FD [pid 5671] <... ioctl resumed>) = 0 [pid 5667] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5666] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] <... ioctl resumed>) = 0 [ 104.254089][ T5672] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 104.254690][ T5676] REISERFS (device loop4): using ordered data mode [ 104.282879][ T5676] reiserfs: using flush barriers [ 104.292424][ T5667] overlayfs: upper fs needs to support d_type. [pid 5671] close(4 [pid 5673] close(4 [pid 5671] <... close resumed>) = 0 [pid 5673] <... close resumed>) = 0 [pid 5671] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] <... futex resumed>) = 1 [pid 5670] <... futex resumed>) = 0 [pid 5673] <... futex resumed>) = 1 [pid 5671] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5670] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5670] <... futex resumed>) = 0 [pid 5671] mkdir("./file1", 000 [pid 5670] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5671] <... mkdir resumed>) = 0 [pid 5671] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5670] <... futex resumed>) = 0 [pid 5671] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5670] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5670] <... futex resumed>) = 0 [pid 5671] mkdir("./bus", 000 [pid 5670] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5671] <... mkdir resumed>) = 0 [pid 5671] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5671] <... futex resumed>) = 1 [pid 5670] <... futex resumed>) = 0 [pid 5668] <... futex resumed>) = 0 [pid 5671] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5670] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... futex resumed>) = 0 [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5670] <... futex resumed>) = 0 [pid 5668] <... futex resumed>) = 1 [pid 5673] mkdir("./file1", 000 [pid 5671] mkdir("./file0", 000 [pid 5670] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5668] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] <... mkdir resumed>) = 0 [pid 5671] <... mkdir resumed>) = 0 [pid 5673] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... futex resumed>) = 1 [pid 5671] <... futex resumed>) = 1 [pid 5670] <... futex resumed>) = 0 [pid 5668] <... futex resumed>) = 0 [pid 5673] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5671] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5670] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 104.292840][ T5672] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 104.333827][ T5667] overlayfs: upper fs does not support tmpfile. [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5670] <... futex resumed>) = 0 [pid 5668] <... futex resumed>) = 0 [pid 5673] mkdir("./bus", 000 [pid 5671] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5670] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5668] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] <... mkdir resumed>) = 0 [pid 5673] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5673] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5668] <... futex resumed>) = 0 [pid 5673] mkdir("./file0", 000 [pid 5668] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] <... mkdir resumed>) = 0 [pid 5673] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5673] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5668] <... futex resumed>) = 0 [pid 5673] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5668] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5681] <... write resumed>) = 4194304 [ 104.359121][ T5671] overlayfs: upper fs needs to support d_type. [ 104.384293][ T5673] overlayfs: upper fs needs to support d_type. [ 104.393421][ T5676] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5666] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5681] munmap(0x7f87c00f0000, 4194304) = 0 [ 104.397938][ T5667] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 104.415255][ T5671] overlayfs: upper fs does not support tmpfile. [ 104.430202][ T5672] REISERFS (device loop5): using ordered data mode [ 104.439401][ T5672] reiserfs: using flush barriers [ 104.445826][ T5673] overlayfs: upper fs does not support tmpfile. [pid 5681] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5670] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5681] <... openat resumed>) = 4 [pid 5670] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5666] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5681] ioctl(4, LOOP_SET_FD, 3 [pid 5666] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[77], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 77 [pid 5666] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5666] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5681] <... ioctl resumed>) = 0 [pid 5681] close(3) = 0 [pid 5668] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5681] mkdir("./file0", 0777 [pid 5668] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5683 attached [ 104.447912][ T5672] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 104.463623][ T5673] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 104.479209][ T5671] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 104.488328][ T5681] loop0: detected capacity change from 0 to 8192 [ 104.495979][ T5676] REISERFS (device loop4): checking transaction log (loop4) [ 104.506694][ T5676] REISERFS (device loop4): Using r5 hash to sort names [pid 5683] set_robust_list(0x7f87c04ef9e0, 24 [pid 5681] <... mkdir resumed>) = 0 [pid 5671] <... mount resumed>) = 0 [pid 5670] <... futex resumed>) = 0 [pid 5668] <... futex resumed>) = 0 [pid 5668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5683] <... set_robust_list resumed>) = 0 [pid 5668] <... mmap resumed>) = 0x7f87c04cf000 [pid 5683] mkdir(".", 0777 [pid 5681] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5668] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5683] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5667] <... mount resumed>) = 0 [pid 5671] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5671] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] <... mprotect resumed>) = 0 [pid 5670] <... mmap resumed>) = 0x7f87c04cf000 [pid 5670] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5668] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5673] <... mount resumed>) = 0 [pid 5670] <... mprotect resumed>) = 0 [pid 5683] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5667] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5667] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5685 attached [pid 5673] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] set_robust_list(0x7f87c04ef9e0, 24 [pid 5673] <... futex resumed>) = 0 [pid 5668] <... clone resumed>, parent_tid=[72], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 72 [pid 5685] <... set_robust_list resumed>) = 0 [pid 5673] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] mkdir(".", 0777 [pid 5668] <... futex resumed>) = 0 [pid 5685] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5668] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5685] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 104.520302][ T5676] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 104.535745][ T5676] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 104.549344][ T5681] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5670] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5676] <... mount resumed>) = 0 ./strace-static-x86_64: Process 5686 attached [pid 5676] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5670] <... clone resumed>, parent_tid=[73], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 73 [pid 5676] chdir("./file0" [pid 5670] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... chdir resumed>) = 0 [pid 5670] <... futex resumed>) = 0 [pid 5676] ioctl(4, LOOP_CLR_FD [pid 5670] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5676] <... ioctl resumed>) = 0 [pid 5676] close(4) = 0 [pid 5676] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5676] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] set_robust_list(0x7f87c04ef9e0, 24) = 0 [ 104.566067][ T5672] REISERFS (device loop5): checking transaction log (loop5) [ 104.576289][ T5681] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 104.587139][ T5681] REISERFS (device loop0): using ordered data mode [ 104.593418][ T5683] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5686] mkdir(".", 0777 [pid 5675] <... futex resumed>) = 0 [pid 5683] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5683] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5683] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5685] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5685] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5685] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5666] <... futex resumed>) = 0 [pid 5666] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5666] <... futex resumed>) = 1 [pid 5667] <... futex resumed>) = 0 [pid 5668] <... futex resumed>) = 0 [pid 5668] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] unlink(NULL [pid 5668] <... futex resumed>) = 1 [pid 5673] <... futex resumed>) = 0 [pid 5668] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5673] unlink(NULL [pid 5667] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5667] <... futex resumed>) = 1 [pid 5666] <... futex resumed>) = 0 [pid 5666] close(3 [ 104.610080][ T5685] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 104.617299][ T5681] reiserfs: using flush barriers [ 104.636119][ T5672] REISERFS (device loop5): Using r5 hash to sort names [ 104.646942][ T5681] 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 5667] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... close resumed>) = 0 [pid 5676] <... futex resumed>) = 0 [pid 5675] <... futex resumed>) = 1 [pid 5673] <... futex resumed>) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5666] close(4 [pid 5676] mkdir("./file1", 000) = 0 [pid 5675] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] close(3 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5676] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5668] <... close resumed>) = 0 [pid 5666] close(5 [pid 5676] <... futex resumed>) = 0 [pid 5676] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] close(4 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... futex resumed>) = 1 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(6 [pid 5675] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5668] close(5 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(7 [pid 5676] <... futex resumed>) = 0 [pid 5676] mkdir("./bus", 000 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5676] <... mkdir resumed>) = 0 [pid 5668] close(6 [pid 5666] close(8 [pid 5676] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 104.651453][ T5686] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 104.669237][ T5681] REISERFS (device loop0): checking transaction log (loop0) [ 104.702200][ T5672] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] close(7 [pid 5666] close(9 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5676] <... futex resumed>) = 1 [pid 5675] <... futex resumed>) = 0 [pid 5668] close(8 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5676] mkdir("./file0", 000 [pid 5675] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(10 [pid 5675] <... futex resumed>) = 0 [pid 5675] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5676] <... mkdir resumed>) = 0 [pid 5676] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] close(9 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5676] <... futex resumed>) = 1 [pid 5675] <... futex resumed>) = 0 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(11 [pid 5675] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] close(10 [pid 5676] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5675] <... futex resumed>) = 0 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5668] close(11 [pid 5666] close(12 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] close(12 [pid 5666] close(13 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] close(13 [pid 5666] close(14 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] close(14 [pid 5666] close(15 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] close(15 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(16 [pid 5668] close(16) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] close(17) = -1 EBADF (Bad file descriptor) [pid 5666] close(17 [pid 5668] close(18 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(18 [pid 5668] close(19) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] close(20 [pid 5666] close(19 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] close(21 [pid 5666] close(20 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] close(22 [pid 5666] close(21 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] close(23 [pid 5666] close(22 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] close(24 [pid 5666] close(23 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] close(25) = -1 EBADF (Bad file descriptor) [pid 5666] close(24 [pid 5668] close(26) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] close(27 [pid 5666] close(25) = -1 EBADF (Bad file descriptor) [pid 5666] close(26) = -1 EBADF (Bad file descriptor) [pid 5666] close(27 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] close(28 [pid 5666] close(28 [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] close(29 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(29 [pid 5668] exit_group(0 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] <... exit_group resumed>) = ? [pid 5673] <... futex resumed>) = ? [pid 5666] exit_group(0 [pid 5685] <... futex resumed>) = ? [pid 5673] +++ exited with 0 +++ [pid 5685] +++ exited with 0 +++ [pid 5683] <... futex resumed>) = ? [pid 5668] +++ exited with 0 +++ [pid 5667] <... futex resumed>) = ? [pid 5666] <... exit_group resumed>) = ? [pid 5683] +++ exited with 0 +++ [pid 5672] <... mount resumed>) = 0 [pid 5672] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5672] chdir("./file0") = 0 [pid 5672] ioctl(4, LOOP_CLR_FD) = 0 [ 104.702915][ T5676] overlayfs: upper fs needs to support d_type. [ 104.721176][ T5672] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5672] close(4 [pid 5667] +++ exited with 0 +++ [pid 5666] +++ exited with 0 +++ [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5672] <... close resumed>) = 0 [pid 5672] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5669] <... futex resumed>) = 0 [pid 5672] mkdir("./file1", 000 [pid 5669] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5672] <... mkdir resumed>) = 0 [pid 5669] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5672] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5669] <... futex resumed>) = 0 [pid 5672] mkdir("./bus", 000 [pid 5669] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... mkdir resumed>) = 0 [pid 5669] <... futex resumed>) = 0 [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5672] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5672] <... futex resumed>) = 0 [pid 5669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5672] mkdir("./file0", 000 [pid 5669] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5672] <... mkdir resumed>) = 0 [pid 5669] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5686] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5675] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5686] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... futex resumed>) = 1 [pid 5675] <... futex resumed>) = 0 [pid 5670] <... futex resumed>) = 0 [pid 5686] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5670] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... mmap resumed>) = 0x7f87c04cf000 [pid 5671] <... futex resumed>) = 0 [pid 5670] <... futex resumed>) = 1 [pid 5675] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5672] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] unlink(NULL [pid 5670] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5675] <... mprotect resumed>) = 0 [pid 5672] <... futex resumed>) = 1 [pid 5671] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5669] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5675] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5672] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5671] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 104.762554][ T5681] REISERFS (device loop0): Using r5 hash to sort names [ 104.771477][ T5681] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 104.787847][ T5676] overlayfs: upper fs does not support tmpfile. [ 104.799634][ T5676] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5081] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5687 attached [pid 5671] <... futex resumed>) = 1 [pid 5670] <... futex resumed>) = 0 [pid 5669] <... futex resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5687] set_robust_list(0x7f87c04ef9e0, 24 [pid 5675] <... clone resumed>, parent_tid=[72], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 72 [pid 5687] <... set_robust_list resumed>) = 0 [pid 5675] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] mkdir(".", 0777 [pid 5675] <... futex resumed>) = 0 [pid 5687] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5675] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5687] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5681] <... mount resumed>) = 0 [pid 5671] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5670] close(3 [pid 5083] fstat(3, [pid 5081] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5669] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5687] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... futex resumed>) = 0 [pid 5675] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5675] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5687] <... futex resumed>) = 1 [pid 5687] unlink(NULL) = -1 EFAULT (Bad address) [pid 5687] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... futex resumed>) = 0 [pid 5681] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5670] <... close resumed>) = 0 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5687] <... futex resumed>) = 1 [pid 5687] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5681] <... openat resumed>) = 3 [pid 5676] <... mount resumed>) = 0 [pid 5670] close(4 [pid 5083] getdents64(3, [pid 5081] fstat(3, [pid 5681] chdir("./file0" [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5681] <... chdir resumed>) = 0 [pid 5676] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] close(5 [pid 5083] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] getdents64(3, [pid 5681] ioctl(4, LOOP_CLR_FD [pid 5676] <... futex resumed>) = 0 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5681] <... ioctl resumed>) = 0 [pid 5676] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5675] close(3 [pid 5672] <... mount resumed>) = 0 [pid 5670] close(6 [pid 5083] lstat("./24/binderfs", [pid 5081] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5681] close(4 [pid 5675] <... close resumed>) = 0 [pid 5672] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5681] <... close resumed>) = 0 [pid 5675] close(4 [pid 5670] close(7 [pid 5083] unlink("./24/binderfs" [pid 5081] lstat("./25/binderfs", [pid 5681] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5681] <... futex resumed>) = 1 [pid 5680] <... futex resumed>) = 0 [pid 5675] close(5 [pid 5670] close(8 [pid 5083] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] unlink("./25/binderfs" [pid 5681] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5680] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] <... futex resumed>) = 1 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... unlink resumed>) = 0 [pid 5681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5675] close(6 [pid 5672] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5669] <... futex resumed>) = 0 [pid 5675] close(7 [pid 5672] mkdir(".", 0777 [pid 5669] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5681] mkdir("./file1", 000 [pid 5680] <... futex resumed>) = 0 [pid 5675] close(8 [pid 5672] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5670] close(9 [pid 5083] lstat("./24/cgroup", [pid 5081] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5681] <... mkdir resumed>) = 0 [ 104.802350][ T5672] overlayfs: upper fs needs to support d_type. [ 104.809513][ T5681] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 104.824177][ T5687] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 104.835346][ T5672] overlayfs: upper fs does not support tmpfile. [ 104.848484][ T5672] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5680] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5681] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5675] close(9 [pid 5670] close(10 [pid 5083] unlink("./24/cgroup" [pid 5081] lstat("./25/cgroup", [pid 5681] <... futex resumed>) = 0 [pid 5680] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5681] mkdir("./bus", 000 [pid 5680] <... futex resumed>) = 0 [pid 5670] close(11 [pid 5083] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] unlink("./25/cgroup" [pid 5681] <... mkdir resumed>) = 0 [pid 5680] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... unlink resumed>) = 0 [pid 5681] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5670] close(12 [pid 5083] lstat("./24/cgroup.net", [pid 5081] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5681] <... futex resumed>) = 0 [pid 5680] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5681] mkdir("./file0", 000 [pid 5680] <... futex resumed>) = 0 [pid 5670] close(13 [pid 5083] unlink("./24/cgroup.net" [pid 5081] lstat("./25/cgroup.net", [pid 5681] <... mkdir resumed>) = 0 [pid 5680] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5681] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5670] close(14 [pid 5083] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] unlink("./25/cgroup.net" [pid 5681] <... futex resumed>) = 0 [pid 5680] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... unlink resumed>) = 0 [pid 5681] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5680] <... futex resumed>) = 0 [pid 5670] close(15 [pid 5081] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5680] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(16) = -1 EBADF (Bad file descriptor) [pid 5670] close(17) = -1 EBADF (Bad file descriptor) [pid 5675] close(10 [pid 5672] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5670] close(18 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] close(11) = -1 EBADF (Bad file descriptor) [pid 5672] <... futex resumed>) = 1 [pid 5669] <... futex resumed>) = 0 [pid 5675] close(12 [pid 5672] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5669] <... futex resumed>) = 0 [pid 5675] close(13 [pid 5672] unlink(NULL [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5670] close(19 [pid 5675] close(14 [pid 5672] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] <... futex resumed>) = 1 [pid 5669] <... futex resumed>) = 0 [pid 5675] close(15 [pid 5672] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5670] close(20 [pid 5669] close(3 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] <... close resumed>) = 0 [pid 5675] close(16 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] close(4 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(21 [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] close(17 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] close(5 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(22 [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] close(18 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] close(6 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(23 [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] close(19 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] close(7 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(24 [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] close(20 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] close(8 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(25 [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] close(21 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] close(9 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(26 [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] close(22 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] close(10 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(27 [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] close(23 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] close(11 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(28 [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] close(24 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] close(12 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(29 [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] close(25 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] close(13 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] exit_group(0 [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] <... futex resumed>) = ? [pid 5675] close(26 [pid 5671] <... futex resumed>) = ? [pid 5670] <... exit_group resumed>) = ? [pid 5669] close(14 [pid 5686] +++ exited with 0 +++ [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] +++ exited with 0 +++ [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 104.889468][ T5672] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 104.906353][ T5681] overlayfs: upper fs needs to support d_type. [pid 5675] close(27 [pid 5669] close(15 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] +++ exited with 0 +++ [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] close(28 [pid 5669] close(16 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5675] close(29 [pid 5669] close(17 [pid 5675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] exit_group(0 [pid 5669] close(18 [pid 5687] <... futex resumed>) = ? [pid 5676] <... futex resumed>) = ? [pid 5675] <... exit_group resumed>) = ? [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5687] +++ exited with 0 +++ [pid 5676] +++ exited with 0 +++ [pid 5675] +++ exited with 0 +++ [pid 5680] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5669] close(19 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] close(20 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5669] close(21 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5669] close(22 [pid 5080] <... openat resumed>) = 3 [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] fstat(3, [pid 5669] close(23 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(3, [pid 5669] close(24 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5669] close(25 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./26/binderfs", [pid 5669] close(26 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./26/binderfs" [pid 5669] close(27 [pid 5080] <... unlink resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5669] close(28 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... openat resumed>) = 3 [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./26/cgroup", [pid 5669] close(29 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] fstat(3, [pid 5669] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./26/cgroup" [pid 5669] exit_group(0 [pid 5080] <... unlink resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5672] <... futex resumed>) = ? [pid 5669] <... exit_group resumed>) = ? [pid 5080] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5680] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] +++ exited with 0 +++ [pid 5669] +++ exited with 0 +++ [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] getdents64(3, [pid 5080] lstat("./26/cgroup.net", [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5079] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] restart_syscall(<... resuming interrupted clone ...> [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... restart_syscall resumed>) = 0 [pid 5079] lstat("./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./25/binderfs" [pid 5082] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... unlink resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... openat resumed>) = 3 [pid 5080] unlink("./26/cgroup.net" [pid 5079] lstat("./25/cgroup", [pid 5082] fstat(3, [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] unlink("./25/cgroup" [pid 5082] getdents64(3, [pid 5079] <... unlink resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./25/cgroup.net", [pid 5082] lstat("./25/binderfs", [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./25/cgroup.net" [pid 5082] unlink("./25/binderfs" [pid 5079] <... unlink resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5079] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] unlink("./25/cgroup") = 0 [pid 5082] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... unlink resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./25/cgroup.net") = 0 [pid 5082] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5680] <... futex resumed>) = 0 [pid 5680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5680] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5680] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5688 attached , parent_tid=[70], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 70 [pid 5688] set_robust_list(0x7f87c04ef9e0, 24 [pid 5680] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5688] <... set_robust_list resumed>) = 0 [pid 5680] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 104.959721][ T5681] overlayfs: upper fs does not support tmpfile. [ 104.979340][ T5681] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5688] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5688] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5083] <... umount2 resumed>) = 0 [pid 5081] <... umount2 resumed>) = 0 [pid 5083] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./24/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5083] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5083] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] close(4) = 0 [pid 5083] rmdir("./24/file0") = 0 [pid 5083] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./24/cgroup.cpu") = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] close(3) = 0 [pid 5083] rmdir("./24") = 0 [pid 5081] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5688] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5681] <... mount resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5688] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] mkdir("./25", 0777 [pid 5081] lstat("./25/file0", [pid 5688] <... futex resumed>) = 1 [pid 5681] <... futex resumed>) = 0 [pid 5083] <... mkdir resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5688] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5681] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5081] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... openat resumed>) = 3 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5081] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5081] <... openat resumed>) = 4 [pid 5083] close(3 [pid 5081] fstat(4, [pid 5083] <... close resumed>) = 0 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] getdents64(4, ./strace-static-x86_64: Process 5689 attached 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5081] close(4) = 0 [pid 5081] rmdir("./25/file0" [pid 5689] set_robust_list(0x5555565af5e0, 24 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 73 [pid 5081] <... rmdir resumed>) = 0 [pid 5081] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5689] <... set_robust_list resumed>) = 0 [ 105.080620][ T5688] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5081] lstat("./25/cgroup.cpu", [pid 5689] chdir("./25" [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5689] <... chdir resumed>) = 0 [pid 5081] unlink("./25/cgroup.cpu" [pid 5689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5081] <... unlink resumed>) = 0 [pid 5689] <... prctl resumed>) = 0 [pid 5081] getdents64(3, [pid 5689] setpgid(0, 0 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5689] <... setpgid resumed>) = 0 [pid 5081] close(3 [pid 5689] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5081] <... close resumed>) = 0 [pid 5689] <... symlink resumed>) = 0 [pid 5081] rmdir("./25") = 0 [pid 5081] mkdir("./26", 0777) = 0 [pid 5689] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5689] <... symlink resumed>) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5689] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5689] <... symlink resumed>) = 0 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] close(3 [pid 5689] <... openat resumed>) = 3 [pid 5081] <... close resumed>) = 0 [pid 5689] write(3, "1000", 4 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5690 attached [pid 5689] <... write resumed>) = 4 [pid 5690] set_robust_list(0x5555565af5e0, 24 [pid 5689] close(3 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 78 [pid 5690] <... set_robust_list resumed>) = 0 [pid 5689] <... close resumed>) = 0 [pid 5690] chdir("./26" [pid 5689] read(200, [pid 5690] <... chdir resumed>) = 0 [pid 5689] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5689] symlink("/dev/binderfs", "./binderfs" [pid 5690] <... prctl resumed>) = 0 [pid 5689] <... symlink resumed>) = 0 [pid 5690] setpgid(0, 0 [pid 5689] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... setpgid resumed>) = 0 [pid 5689] <... futex resumed>) = 0 [pid 5690] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5690] <... symlink resumed>) = 0 [pid 5689] <... mmap resumed>) = 0x7f87c84f0000 [pid 5690] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5689] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5690] <... symlink resumed>) = 0 [pid 5689] <... mprotect resumed>) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5690] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5689] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5691 attached [pid 5690] <... symlink resumed>) = 0 [pid 5690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5689] <... clone resumed>, parent_tid=[74], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 74 [pid 5691] set_robust_list(0x7f87c85109e0, 24 [pid 5690] <... openat resumed>) = 3 [pid 5689] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] <... set_robust_list resumed>) = 0 [pid 5690] write(3, "1000", 4 [pid 5689] <... futex resumed>) = 0 [pid 5690] <... write resumed>) = 4 [pid 5689] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5690] close(3 [pid 5691] memfd_create("syzkaller", 0 [pid 5690] <... close resumed>) = 0 [pid 5690] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5691] <... memfd_create resumed>) = 3 [pid 5690] symlink("/dev/binderfs", "./binderfs" [pid 5691] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5690] <... symlink resumed>) = 0 [pid 5691] <... mmap resumed>) = 0x7f87c00f0000 [pid 5690] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5690] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5690] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5692 attached [pid 5692] set_robust_list(0x7f87c85109e0, 24 [pid 5690] <... clone resumed>, parent_tid=[79], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 79 [pid 5692] <... set_robust_list resumed>) = 0 [pid 5690] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] memfd_create("syzkaller", 0 [pid 5690] <... futex resumed>) = 0 [pid 5692] <... memfd_create resumed>) = 3 [pid 5690] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5692] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5079] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5680] <... futex resumed>) = 0 [pid 5080] <... umount2 resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5680] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./25/file0", [pid 5681] <... futex resumed>) = 0 [pid 5680] <... futex resumed>) = 1 [pid 5681] unlink(NULL [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5681] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5681] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5680] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] lstat("./26/file0", [pid 5079] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5681] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5680] close(3 [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5680] <... close resumed>) = 0 [pid 5080] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5680] close(4 [pid 5079] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... openat resumed>) = 4 [pid 5680] close(5 [pid 5080] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... openat resumed>) = 4 [pid 5079] fstat(4, [pid 5680] close(6) = -1 EBADF (Bad file descriptor) [pid 5080] fstat(4, [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5680] close(7 [pid 5691] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(4, [pid 5082] <... umount2 resumed>) = 0 [pid 5082] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./25/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5082] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] close(4) = 0 [pid 5082] rmdir("./25/file0") = 0 [pid 5082] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./25/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./25/cgroup.cpu") = 0 [pid 5680] close(8 [pid 5080] getdents64(4, [pid 5082] getdents64(3, [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] close(3) = 0 [pid 5082] rmdir("./25" [pid 5680] close(9 [pid 5082] <... rmdir resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(4, [pid 5082] mkdir("./26", 0777 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(4, [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] <... mkdir resumed>) = 0 [pid 5680] close(10 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] close(4 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5080] close(4 [pid 5079] <... close resumed>) = 0 [pid 5680] close(11 [pid 5082] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5082] close(3 [pid 5692] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 5079] rmdir("./25/file0" [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565af5d0) = 75 [pid 5680] close(12 [pid 5080] rmdir("./26/file0" [pid 5079] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5693 attached [pid 5080] <... rmdir resumed>) = 0 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] set_robust_list(0x5555565af5e0, 24 [pid 5680] close(13 [pid 5080] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5693] <... set_robust_list resumed>) = 0 [pid 5680] close(14 [pid 5080] lstat("./26/cgroup.cpu", [pid 5693] chdir("./26" [pid 5691] <... write resumed>) = 4194304 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] lstat("./25/cgroup.cpu", [pid 5693] <... chdir resumed>) = 0 [pid 5680] close(15 [pid 5080] unlink("./26/cgroup.cpu" [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5680] close(16 [pid 5080] <... unlink resumed>) = 0 [pid 5079] unlink("./25/cgroup.cpu" [pid 5691] munmap(0x7f87c00f0000, 4194304 [pid 5079] <... unlink resumed>) = 0 [pid 5693] <... prctl resumed>) = 0 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(3, [pid 5680] close(17 [pid 5693] setpgid(0, 0 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... setpgid resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5680] close(18 [pid 5079] getdents64(3, [pid 5693] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(3 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5693] <... symlink resumed>) = 0 [pid 5680] close(19 [pid 5080] <... close resumed>) = 0 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] rmdir("./26" [pid 5079] close(3 [pid 5691] <... munmap resumed>) = 0 [pid 5680] close(20 [pid 5693] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... rmdir resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5680] close(21 [pid 5693] <... symlink resumed>) = 0 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5680] close(22 [pid 5080] mkdir("./27", 0777 [pid 5079] rmdir("./25" [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5079] <... rmdir resumed>) = 0 [pid 5680] close(23 [pid 5691] <... openat resumed>) = 4 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... mkdir resumed>) = 0 [pid 5079] mkdir("./26", 0777 [pid 5691] ioctl(4, LOOP_SET_FD, 3 [pid 5680] close(24 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... symlink resumed>) = 0 [pid 5691] <... ioctl resumed>) = 0 [pid 5680] close(25 [pid 5080] <... openat resumed>) = 3 [pid 5079] <... mkdir resumed>) = 0 [pid 5693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5691] close(3 [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5680] close(26 [pid 5079] <... openat resumed>) = 3 [pid 5693] <... openat resumed>) = 3 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(3 [pid 5693] write(3, "1000", 4 [pid 5680] close(27 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5693] <... write resumed>) = 4 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5691] <... close resumed>) = 0 [pid 5693] close(3 [pid 5680] close(28 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] close(3 [pid 5693] <... close resumed>) = 0 [pid 5691] mkdir("./file0", 0777./strace-static-x86_64: Process 5694 attached [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 73 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 5693] read(200, [pid 5694] set_robust_list(0x5555565af5e0, 24 [pid 5693] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5680] close(29 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5693] symlink("/dev/binderfs", "./binderfs" [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5695 attached [pid 5695] set_robust_list(0x5555565af5e0, 24 [pid 5693] <... symlink resumed>) = 0 [pid 5695] <... set_robust_list resumed>) = 0 [pid 5680] exit_group(0 [pid 5695] chdir("./26" [pid 5694] <... set_robust_list resumed>) = 0 [pid 5693] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5688] <... futex resumed>) = ? [pid 5681] <... futex resumed>) = ? [pid 5680] <... exit_group resumed>) = ? [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 74 [pid 5695] <... chdir resumed>) = 0 [pid 5688] +++ exited with 0 +++ [pid 5681] +++ exited with 0 +++ [pid 5695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5695] setpgid(0, 0 [pid 5694] chdir("./27" [pid 5693] <... futex resumed>) = 0 [pid 5695] <... setpgid resumed>) = 0 [pid 5695] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5694] <... chdir resumed>) = 0 [ 105.349166][ T5691] loop2: detected capacity change from 0 to 8192 [pid 5693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5692] <... write resumed>) = 4194304 [pid 5680] +++ exited with 0 +++ [pid 5694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5693] <... mmap resumed>) = 0x7f87c84f0000 [pid 5692] munmap(0x7f87c00f0000, 4194304 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5694] <... prctl resumed>) = 0 [pid 5693] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5692] <... munmap resumed>) = 0 [pid 5694] setpgid(0, 0 [pid 5693] <... mprotect resumed>) = 0 [pid 5692] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5694] <... setpgid resumed>) = 0 [pid 5693] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5692] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5697 attached [pid 5695] <... symlink resumed>) = 0 [pid 5694] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5692] ioctl(4, LOOP_SET_FD, 3 [pid 5697] set_robust_list(0x7f87c85109e0, 24 [pid 5695] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5694] <... symlink resumed>) = 0 [pid 5693] <... clone resumed>, parent_tid=[76], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 76 [pid 5694] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5693] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5694] <... symlink resumed>) = 0 [pid 5693] <... futex resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5694] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5693] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5697] <... set_robust_list resumed>) = 0 [pid 5695] <... symlink resumed>) = 0 [pid 5694] <... symlink resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] fstat(3, [pid 5697] memfd_create("syzkaller", 0 [pid 5695] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5694] <... openat resumed>) = 3 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5694] write(3, "1000", 4 [pid 5078] getdents64(3, [pid 5694] <... write resumed>) = 4 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5694] close(3 [pid 5078] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5694] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 105.396172][ T5691] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 105.417077][ T5692] loop3: detected capacity change from 0 to 8192 [ 105.423581][ T5691] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 105.438448][ T5691] REISERFS (device loop2): using ordered data mode [pid 5697] <... memfd_create resumed>) = 3 [pid 5695] <... symlink resumed>) = 0 [pid 5694] read(200, [pid 5078] lstat("./24/binderfs", [pid 5694] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5694] symlink("/dev/binderfs", "./binderfs" [pid 5692] <... ioctl resumed>) = 0 [pid 5078] unlink("./24/binderfs" [pid 5695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5694] <... symlink resumed>) = 0 [pid 5692] close(3 [pid 5078] <... unlink resumed>) = 0 [pid 5697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5695] <... openat resumed>) = 3 [pid 5694] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... close resumed>) = 0 [pid 5078] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5697] <... mmap resumed>) = 0x7f87c00f0000 [pid 5695] write(3, "1000", 4 [pid 5694] <... futex resumed>) = 0 [pid 5692] mkdir("./file0", 0777 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5692] <... mkdir resumed>) = 0 [pid 5078] lstat("./24/cgroup", [pid 5694] <... mmap resumed>) = 0x7f87c84f0000 [pid 5692] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5694] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5078] unlink("./24/cgroup" [pid 5694] <... mprotect resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5694] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5078] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5694] <... clone resumed>, parent_tid=[74], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 74 [pid 5078] lstat("./24/cgroup.net", [pid 5694] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5699 attached [pid 5695] <... write resumed>) = 4 [pid 5694] <... futex resumed>) = 0 [pid 5699] set_robust_list(0x7f87c85109e0, 24 [pid 5695] close(3 [pid 5699] <... set_robust_list resumed>) = 0 [pid 5695] <... close resumed>) = 0 [pid 5699] memfd_create("syzkaller", 0 [pid 5695] read(200, [pid 5699] <... memfd_create resumed>) = 3 [pid 5695] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5699] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5695] symlink("/dev/binderfs", "./binderfs" [pid 5699] <... mmap resumed>) = 0x7f87c00f0000 [pid 5695] <... symlink resumed>) = 0 [ 105.446391][ T5691] reiserfs: using flush barriers [ 105.455064][ T5691] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5695] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] unlink("./24/cgroup.net" [pid 5695] <... futex resumed>) = 0 [pid 5695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5078] <... unlink resumed>) = 0 [pid 5695] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5078] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5695] <... mprotect resumed>) = 0 [pid 5695] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5700 attached [pid 5700] set_robust_list(0x7f87c85109e0, 24 [pid 5695] <... clone resumed>, parent_tid=[75], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 75 [pid 5700] <... set_robust_list resumed>) = 0 [pid 5695] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] memfd_create("syzkaller", 0 [pid 5695] <... futex resumed>) = 0 [pid 5700] <... memfd_create resumed>) = 3 [pid 5695] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5700] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 105.491838][ T5692] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 105.507034][ T5692] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 105.518859][ T5691] REISERFS (device loop2): checking transaction log (loop2) [ 105.527860][ T5692] REISERFS (device loop3): using ordered data mode [pid 5697] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5700] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5699] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 105.577703][ T5692] reiserfs: using flush barriers [pid 5697] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5697] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5697] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 5078] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./24/file0", [pid 5697] close(3) = 0 [ 105.607555][ T5692] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 105.628994][ T5697] loop5: detected capacity change from 0 to 8192 [ 105.643796][ T5691] REISERFS (device loop2): Using r5 hash to sort names [pid 5697] mkdir("./file0", 0777) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5697] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5078] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 105.660105][ T5691] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 105.676249][ T5692] REISERFS (device loop3): checking transaction log (loop3) [ 105.685061][ T5691] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 105.697083][ T5697] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5699] <... write resumed>) = 4194304 [pid 5078] fstat(4, [pid 5700] <... write resumed>) = 4194304 [pid 5691] <... mount resumed>) = 0 [pid 5700] munmap(0x7f87c00f0000, 4194304 [pid 5699] munmap(0x7f87c00f0000, 4194304 [pid 5691] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5700] <... munmap resumed>) = 0 [pid 5699] <... munmap resumed>) = 0 [pid 5691] <... openat resumed>) = 3 [pid 5078] getdents64(4, [pid 5700] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5699] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5691] chdir("./file0" [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5700] <... openat resumed>) = 4 [pid 5699] <... openat resumed>) = 4 [pid 5691] <... chdir resumed>) = 0 [pid 5078] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] close(4) = 0 [pid 5078] rmdir("./24/file0") = 0 [ 105.703831][ T5692] REISERFS (device loop3): Using r5 hash to sort names [ 105.713082][ T5697] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 105.719536][ T5692] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 105.743971][ T5700] loop1: detected capacity change from 0 to 8192 [ 105.745863][ T5692] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5700] ioctl(4, LOOP_SET_FD, 3 [pid 5699] ioctl(4, LOOP_SET_FD, 3 [pid 5691] ioctl(4, LOOP_CLR_FD [pid 5078] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5692] <... mount resumed>) = 0 [pid 5691] <... ioctl resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5691] close(4 [pid 5078] lstat("./24/cgroup.cpu", [pid 5692] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5691] <... close resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5691] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] unlink("./24/cgroup.cpu" [pid 5691] <... futex resumed>) = 1 [pid 5689] <... futex resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5691] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5689] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] getdents64(3, [pid 5691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5689] <... futex resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5691] mkdir("./file1", 000 [pid 5689] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] close(3 [pid 5691] <... mkdir resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5692] <... openat resumed>) = 3 [pid 5691] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] rmdir("./24" [pid 5692] chdir("./file0" [pid 5691] <... futex resumed>) = 1 [pid 5689] <... futex resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5691] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [ 105.752484][ T5699] loop4: detected capacity change from 0 to 8192 [ 105.761885][ T5697] REISERFS (device loop5): using ordered data mode [ 105.775848][ T5697] reiserfs: using flush barriers [ 105.783113][ T5697] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5689] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] mkdir("./25", 0777 [pid 5691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5689] <... futex resumed>) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 5700] <... ioctl resumed>) = 0 [pid 5699] <... ioctl resumed>) = 0 [pid 5692] <... chdir resumed>) = 0 [pid 5691] mkdir("./bus", 000 [pid 5689] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5692] ioctl(4, LOOP_CLR_FD [pid 5691] <... mkdir resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5692] <... ioctl resumed>) = 0 [pid 5691] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5692] close(4 [pid 5691] <... futex resumed>) = 1 [pid 5689] <... futex resumed>) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5692] <... close resumed>) = 0 [pid 5691] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5689] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] close(3 [pid 5700] close(3 [pid 5699] close(3 [pid 5692] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5689] <... futex resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5700] <... close resumed>) = 0 [pid 5699] <... close resumed>) = 0 [pid 5692] <... futex resumed>) = 1 [pid 5691] mkdir("./file0", 000 [pid 5690] <... futex resumed>) = 0 [pid 5689] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5702 attached [pid 5700] mkdir("./file0", 0777 [pid 5699] mkdir("./file0", 0777 [pid 5697] <... mount resumed>) = 0 [pid 5692] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5691] <... mkdir resumed>) = 0 [pid 5690] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... mkdir resumed>) = 0 [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5691] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 71 [pid 5702] set_robust_list(0x5555565af5e0, 24 [pid 5700] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5699] <... mkdir resumed>) = 0 [pid 5697] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5692] mkdir("./file1", 000 [pid 5691] <... futex resumed>) = 1 [pid 5690] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] <... futex resumed>) = 0 [pid 5702] <... set_robust_list resumed>) = 0 [pid 5699] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5697] <... openat resumed>) = 3 [pid 5692] <... mkdir resumed>) = 0 [pid 5691] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5689] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] chdir("./25" [pid 5692] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5689] <... futex resumed>) = 0 [pid 5697] chdir("./file0" [pid 5702] <... chdir resumed>) = 0 [pid 5692] <... futex resumed>) = 1 [pid 5691] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5690] <... futex resumed>) = 0 [pid 5689] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5697] <... chdir resumed>) = 0 [ 105.809619][ T5697] REISERFS (device loop5): checking transaction log (loop5) [ 105.819968][ T5697] REISERFS (device loop5): Using r5 hash to sort names [ 105.827370][ T5697] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 105.846424][ T5697] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5697] ioctl(4, LOOP_CLR_FD [pid 5692] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5690] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... prctl resumed>) = 0 [pid 5697] <... ioctl resumed>) = 0 [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5690] <... futex resumed>) = 0 [pid 5692] mkdir("./bus", 000 [pid 5690] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5692] <... mkdir resumed>) = 0 [pid 5692] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5690] <... futex resumed>) = 0 [pid 5692] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5690] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5690] <... futex resumed>) = 0 [pid 5692] mkdir("./file0", 000 [pid 5690] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5692] <... mkdir resumed>) = 0 [pid 5692] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5690] <... futex resumed>) = 0 [pid 5692] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5690] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 105.879581][ T5700] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 105.879601][ T5691] overlayfs: upper fs needs to support d_type. [ 105.879638][ T5691] overlayfs: upper fs does not support tmpfile. [ 105.908703][ T5699] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 105.919471][ T5692] overlayfs: upper fs needs to support d_type. [pid 5690] <... futex resumed>) = 0 [pid 5692] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5690] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5702] setpgid(0, 0 [ 105.930674][ T5692] overlayfs: upper fs does not support tmpfile. [ 105.930906][ T5691] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 105.939459][ T5692] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 105.955035][ T5700] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 105.960280][ T5699] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5697] close(4 [pid 5692] <... mount resumed>) = 0 [pid 5689] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5702] <... setpgid resumed>) = 0 [pid 5697] <... close resumed>) = 0 [pid 5692] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5697] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... futex resumed>) = 1 [pid 5690] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = 0 [pid 5702] <... symlink resumed>) = 0 [pid 5697] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 0 [pid 5692] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5690] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5702] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5697] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5690] <... futex resumed>) = 0 [pid 5702] <... symlink resumed>) = 0 [pid 5697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5693] <... futex resumed>) = 0 [pid 5692] mkdir(".", 0777 [pid 5691] <... mount resumed>) = 0 [pid 5690] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5689] <... mmap resumed>) = 0x7f87c04cf000 [pid 5702] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5693] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5702] <... symlink resumed>) = 0 [pid 5702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5702] write(3, "1000", 4) = 4 [pid 5697] mkdir("./file1", 000 [pid 5692] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5689] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5702] close(3 [pid 5697] <... mkdir resumed>) = 0 [pid 5692] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5702] <... close resumed>) = 0 [pid 5689] <... mprotect resumed>) = 0 [pid 5702] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5691] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] <... futex resumed>) = 0 [pid 5702] <... futex resumed>) = 0 [ 105.976586][ T5699] REISERFS (device loop4): using ordered data mode [ 105.983337][ T5699] reiserfs: using flush barriers [ 105.992562][ T5699] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 106.012701][ T5699] REISERFS (device loop4): checking transaction log (loop4) [pid 5691] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5697] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... mmap resumed>) = 0x7f87c84f0000 [pid 5689] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5702] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5702] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5705 attached [pid 5705] set_robust_list(0x7f87c85109e0, 24 [pid 5702] <... clone resumed>, parent_tid=[72], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 72 [pid 5705] <... set_robust_list resumed>) = 0 [pid 5702] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] memfd_create("syzkaller", 0 [pid 5702] <... futex resumed>) = 0 [pid 5705] <... memfd_create resumed>) = 3 [pid 5702] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5705] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 ./strace-static-x86_64: Process 5706 attached [pid 5697] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 0 [pid 5692] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5693] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 106.024357][ T5699] REISERFS (device loop4): Using r5 hash to sort names [ 106.032932][ T5699] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 106.054232][ T5692] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 106.068063][ T5699] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5693] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5706] set_robust_list(0x7f87c04ef9e0, 24 [pid 5699] <... mount resumed>) = 0 [pid 5697] mkdir("./bus", 000 [pid 5692] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... clone resumed>, parent_tid=[75], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 75 [pid 5706] <... set_robust_list resumed>) = 0 [pid 5699] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5697] <... mkdir resumed>) = 0 [pid 5692] <... futex resumed>) = 1 [pid 5690] <... futex resumed>) = 0 [pid 5689] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5706] mkdir(".", 0777 [pid 5692] unlink(NULL [pid 5690] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5697] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5692] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5690] <... futex resumed>) = 0 [pid 5697] <... futex resumed>) = 1 [pid 5706] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5699] <... openat resumed>) = 3 [pid 5697] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5692] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5699] chdir("./file0" [pid 5693] <... futex resumed>) = 0 [pid 5692] <... futex resumed>) = 0 [pid 5690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5699] <... chdir resumed>) = 0 [pid 5692] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5690] close(3 [pid 5699] ioctl(4, LOOP_CLR_FD [pid 5690] <... close resumed>) = 0 [pid 5699] <... ioctl resumed>) = 0 [pid 5699] close(4 [pid 5690] close(4 [pid 5699] <... close resumed>) = 0 [pid 5693] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5693] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5705] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5699] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... futex resumed>) = 0 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5706] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 106.070170][ T5700] REISERFS (device loop1): using ordered data mode [ 106.089719][ T5700] reiserfs: using flush barriers [ 106.113542][ T5706] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5706] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... futex resumed>) = 0 [pid 5689] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5691] <... futex resumed>) = 0 [pid 5691] unlink(NULL) = -1 EFAULT (Bad address) [pid 5691] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5691] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5691] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5689] close(3 [pid 5699] <... futex resumed>) = 1 [pid 5697] mkdir("./file0", 000 [pid 5699] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] <... futex resumed>) = 0 [pid 5690] close(5 [pid 5697] <... mkdir resumed>) = 0 [pid 5694] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5697] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... futex resumed>) = 0 [pid 5697] <... futex resumed>) = 1 [pid 5694] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 0 [pid 5690] close(6 [pid 5699] mkdir("./file1", 000 [pid 5697] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5693] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5693] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5706] <... futex resumed>) = 1 [pid 5689] <... close resumed>) = 0 [pid 5706] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5689] close(4) = -1 EBADF (Bad file descriptor) [pid 5689] close(5) = -1 EBADF (Bad file descriptor) [pid 5689] close(6) = -1 EBADF (Bad file descriptor) [pid 5689] close(7) = -1 EBADF (Bad file descriptor) [pid 5699] <... mkdir resumed>) = 0 [pid 5697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(8 [pid 5699] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5690] close(7 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] <... futex resumed>) = 1 [pid 5694] <... futex resumed>) = 0 [pid 5689] close(9 [pid 5699] mkdir("./bus", 000 [pid 5694] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... futex resumed>) = 0 [ 106.127057][ T5700] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 106.167301][ T5700] REISERFS (device loop1): checking transaction log (loop1) [pid 5689] close(10 [pid 5694] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(11) = -1 EBADF (Bad file descriptor) [pid 5689] close(12) = -1 EBADF (Bad file descriptor) [pid 5689] close(13) = -1 EBADF (Bad file descriptor) [pid 5689] close(14 [pid 5690] close(8 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(15) = -1 EBADF (Bad file descriptor) [pid 5689] close(16) = -1 EBADF (Bad file descriptor) [pid 5689] close(17) = -1 EBADF (Bad file descriptor) [pid 5689] close(18) = -1 EBADF (Bad file descriptor) [pid 5689] close(19) = -1 EBADF (Bad file descriptor) [pid 5689] close(20 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] <... mkdir resumed>) = 0 [pid 5689] close(21) = -1 EBADF (Bad file descriptor) [pid 5699] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] close(9 [pid 5689] close(22) = -1 EBADF (Bad file descriptor) [pid 5689] close(23) = -1 EBADF (Bad file descriptor) [pid 5689] close(24) = -1 EBADF (Bad file descriptor) [pid 5689] close(25) = -1 EBADF (Bad file descriptor) [pid 5689] close(26) = -1 EBADF (Bad file descriptor) [pid 5689] close(27) = -1 EBADF (Bad file descriptor) [pid 5689] close(28) = -1 EBADF (Bad file descriptor) [pid 5689] close(29) = -1 EBADF (Bad file descriptor) [pid 5689] exit_group(0 [pid 5706] <... futex resumed>) = ? [pid 5691] <... futex resumed>) = ? [pid 5689] <... exit_group resumed>) = ? [pid 5706] +++ exited with 0 +++ [pid 5691] +++ exited with 0 +++ [pid 5689] +++ exited with 0 +++ [pid 5693] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=15 /* 0.15 s */} --- [pid 5693] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5693] <... mmap resumed>) = 0x7f87c04cf000 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5693] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5083] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5693] <... mprotect resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 5699] <... futex resumed>) = 1 [pid 5694] <... futex resumed>) = 0 [pid 5699] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] fstat(3, ./strace-static-x86_64: Process 5707 attached [pid 5699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5694] <... futex resumed>) = 0 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5707] set_robust_list(0x7f87c04ef9e0, 24 [pid 5699] mkdir("./file0", 000 [pid 5694] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5693] <... clone resumed>, parent_tid=[77], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 77 [pid 5690] close(10 [pid 5083] getdents64(3, [pid 5707] <... set_robust_list resumed>) = 0 [pid 5699] <... mkdir resumed>) = 0 [pid 5693] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5707] mkdir(".", 0777 [pid 5699] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... futex resumed>) = 0 [pid 5690] close(11 [pid 5083] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5707] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5699] <... futex resumed>) = 1 [pid 5694] <... futex resumed>) = 0 [pid 5693] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5707] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5699] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5694] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] close(12 [ 106.180282][ T5697] overlayfs: upper fs needs to support d_type. [ 106.187018][ T5697] overlayfs: upper fs does not support tmpfile. [ 106.194645][ T5697] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 106.207658][ T5700] REISERFS (device loop1): Using r5 hash to sort names [ 106.215162][ T5700] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5083] lstat("./25/binderfs", [pid 5699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5694] <... futex resumed>) = 0 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5699] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5694] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] unlink("./25/binderfs" [pid 5705] <... write resumed>) = 4194304 [pid 5700] <... mount resumed>) = 0 [pid 5697] <... mount resumed>) = 0 [pid 5690] close(13 [pid 5083] <... unlink resumed>) = 0 [pid 5705] munmap(0x7f87c00f0000, 4194304 [pid 5083] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./25/cgroup") = 0 [pid 5083] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./25/cgroup.net") = 0 [pid 5083] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5707] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5705] <... munmap resumed>) = 0 [pid 5700] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5697] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5707] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5700] <... openat resumed>) = 3 [pid 5690] close(14 [pid 5705] <... openat resumed>) = 4 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] ioctl(4, LOOP_SET_FD, 3 [pid 5700] chdir("./file0" [pid 5690] close(15 [pid 5697] <... futex resumed>) = 0 [pid 5693] <... futex resumed>) = 0 [pid 5693] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 106.246608][ T5700] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 106.250829][ T5699] overlayfs: upper fs needs to support d_type. [ 106.268456][ T5707] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 106.278227][ T5699] overlayfs: upper fs does not support tmpfile. [pid 5707] <... futex resumed>) = 1 [pid 5705] <... ioctl resumed>) = 0 [pid 5700] <... chdir resumed>) = 0 [pid 5697] unlink(NULL [pid 5693] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5707] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] close(3 [pid 5700] ioctl(4, LOOP_CLR_FD [pid 5697] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5690] close(16 [pid 5705] <... close resumed>) = 0 [pid 5700] <... ioctl resumed>) = 0 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5697] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] mkdir("./file0", 0777 [pid 5700] close(4 [pid 5690] close(17 [pid 5697] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 0 [pid 5700] <... close resumed>) = 0 [pid 5700] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] close(3 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] <... mkdir resumed>) = 0 [pid 5700] <... futex resumed>) = 1 [pid 5695] <... futex resumed>) = 0 [pid 5693] <... close resumed>) = 0 [pid 5690] close(18 [pid 5705] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5700] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] close(4 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] <... futex resumed>) = 0 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] close(19 [pid 5700] mkdir("./file1", 000 [pid 5695] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] close(5 [ 106.290886][ T5705] loop0: detected capacity change from 0 to 8192 [pid 5700] <... mkdir resumed>) = 0 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] close(20 [pid 5700] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5693] close(6 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... futex resumed>) = 1 [pid 5695] <... futex resumed>) = 0 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] close(21 [pid 5700] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] close(7 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] <... futex resumed>) = 0 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] close(22 [pid 5700] mkdir("./bus", 000 [pid 5695] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5693] close(8 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... mkdir resumed>) = 0 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] close(23 [pid 5700] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] close(9 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... futex resumed>) = 1 [pid 5695] <... futex resumed>) = 0 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] close(24 [pid 5700] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] close(10 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] <... futex resumed>) = 0 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] close(25 [pid 5700] mkdir("./file0", 000 [pid 5695] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5693] close(11 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... mkdir resumed>) = 0 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] close(26 [pid 5700] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] close(12 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... futex resumed>) = 1 [pid 5695] <... futex resumed>) = 0 [pid 5694] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] close(27 [pid 5700] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] close(13 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] <... futex resumed>) = 0 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] close(28 [ 106.320125][ T5705] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 106.329353][ T5699] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 106.334797][ T5705] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 106.352482][ T5705] REISERFS (device loop0): using ordered data mode [ 106.362358][ T5705] reiserfs: using flush barriers [pid 5700] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5695] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5693] close(14 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... futex resumed>) = 0 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 106.363349][ T5700] overlayfs: upper fs needs to support d_type. [ 106.386976][ T5700] overlayfs: upper fs does not support tmpfile. [ 106.394849][ T5700] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5690] close(29 [pid 5694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5693] close(15 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] exit_group(0 [pid 5693] close(16 [pid 5692] <... futex resumed>) = ? [pid 5690] <... exit_group resumed>) = ? [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5692] +++ exited with 0 +++ [pid 5690] +++ exited with 0 +++ [pid 5693] close(17 [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] restart_syscall(<... resuming interrupted clone ...> [pid 5693] close(18) = -1 EBADF (Bad file descriptor) [pid 5081] <... restart_syscall resumed>) = 0 [pid 5693] close(19) = -1 EBADF (Bad file descriptor) [pid 5693] close(20 [pid 5081] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5693] close(21 [pid 5081] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... openat resumed>) = 3 [pid 5693] close(22 [pid 5081] fstat(3, [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5699] <... mount resumed>) = 0 [pid 5693] close(23 [pid 5081] getdents64(3, [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5693] close(24 [pid 5081] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5693] close(25 [pid 5081] lstat("./26/binderfs", [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5693] close(26 [pid 5081] unlink("./26/binderfs" [pid 5699] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... unlink resumed>) = 0 [pid 5699] <... futex resumed>) = 0 [pid 5693] close(27 [pid 5081] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5699] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5693] close(28 [pid 5081] lstat("./26/cgroup", [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5693] close(29 [pid 5081] unlink("./26/cgroup" [pid 5693] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... unlink resumed>) = 0 [pid 5694] <... mmap resumed>) = 0x7f87c04cf000 [pid 5693] exit_group(0 [pid 5081] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5707] <... futex resumed>) = ? [pid 5697] <... futex resumed>) = ? [pid 5693] <... exit_group resumed>) = ? [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5707] +++ exited with 0 +++ [pid 5697] +++ exited with 0 +++ [pid 5694] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5693] +++ exited with 0 +++ [pid 5081] lstat("./26/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./26/cgroup.net") = 0 [pid 5081] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5694] <... mprotect resumed>) = 0 [pid 5694] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5709 attached [pid 5709] set_robust_list(0x7f87c04ef9e0, 24 [pid 5694] <... clone resumed>, parent_tid=[75], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 75 [pid 5709] <... set_robust_list resumed>) = 0 [pid 5694] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] mkdir(".", 0777 [pid 5694] <... futex resumed>) = 0 [ 106.406050][ T5705] 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 5082] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5709] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5694] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5709] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5082] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5700] <... mount resumed>) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5083] <... umount2 resumed>) = 0 [pid 5082] fstat(3, [pid 5700] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... futex resumed>) = 0 [pid 5695] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5700] <... futex resumed>) = 1 [pid 5695] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5700] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5083] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5700] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5083] lstat("./25/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5083] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5083] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] getdents64(3, [pid 5083] close(4) = 0 [ 106.450358][ T5705] REISERFS (device loop0): checking transaction log (loop0) [ 106.468678][ T5709] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 106.484988][ T5705] REISERFS (device loop0): Using r5 hash to sort names [pid 5083] rmdir("./25/file0" [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] <... rmdir resumed>) = 0 [pid 5083] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./25/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./25/cgroup.cpu") = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] close(3) = 0 [pid 5083] rmdir("./25") = 0 [pid 5083] mkdir("./26", 0777) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5083] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5083] close(3 [pid 5709] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... close resumed>) = 0 [pid 5082] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5710 attached [pid 5709] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5709] <... futex resumed>) = 1 [pid 5694] <... futex resumed>) = 0 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 76 [pid 5082] lstat("./26/binderfs", [pid 5709] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] <... mount resumed>) = 0 [pid 5694] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5710] set_robust_list(0x5555565af5e0, 24) = 0 [pid 5710] chdir("./26" [pid 5699] <... futex resumed>) = 0 [pid 5694] <... futex resumed>) = 1 [pid 5710] <... chdir resumed>) = 0 [pid 5699] unlink(NULL [pid 5082] unlink("./26/binderfs" [pid 5710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5699] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5694] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] <... prctl resumed>) = 0 [pid 5699] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] setpgid(0, 0 [pid 5699] <... futex resumed>) = 0 [pid 5694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5082] <... unlink resumed>) = 0 [pid 5710] <... setpgid resumed>) = 0 [pid 5699] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5710] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5694] close(3 [pid 5082] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5710] <... symlink resumed>) = 0 [pid 5705] <... openat resumed>) = 3 [pid 5694] <... close resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5710] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5694] close(4 [pid 5082] lstat("./26/cgroup", [pid 5710] <... symlink resumed>) = 0 [pid 5705] chdir("./file0" [pid 5700] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5710] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5705] <... chdir resumed>) = 0 [pid 5700] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] close(5 [pid 5082] unlink("./26/cgroup" [pid 5710] <... symlink resumed>) = 0 [pid 5705] ioctl(4, LOOP_CLR_FD [pid 5700] <... futex resumed>) = 1 [pid 5695] <... futex resumed>) = 0 [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 5081] <... umount2 resumed>) = 0 [pid 5710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5705] <... ioctl resumed>) = 0 [pid 5700] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] close(6 [pid 5082] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5710] <... openat resumed>) = 3 [pid 5705] close(4 [pid 5700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] <... futex resumed>) = 0 [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5710] write(3, "1000", 4 [pid 5705] <... close resumed>) = 0 [pid 5700] unlink(NULL [pid 5695] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5694] close(7 [pid 5082] lstat("./26/cgroup.net", [pid 5081] lstat("./26/file0", [pid 5710] <... write resumed>) = 4 [pid 5705] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5710] close(3 [pid 5705] <... futex resumed>) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5700] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 106.499498][ T5705] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 106.514536][ T5705] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 106.535281][ T5700] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5694] close(8 [pid 5082] unlink("./26/cgroup.net" [pid 5081] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5710] <... close resumed>) = 0 [pid 5705] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... futex resumed>) = 1 [pid 5695] <... futex resumed>) = 0 [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5710] read(200, [pid 5705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] <... futex resumed>) = 0 [pid 5700] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] close(3 [pid 5694] close(9 [pid 5082] <... unlink resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5710] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] mkdir("./file1", 000 [pid 5702] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5695] <... close resumed>) = 0 [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... openat resumed>) = 4 [pid 5710] symlink("/dev/binderfs", "./binderfs" [pid 5705] <... mkdir resumed>) = 0 [pid 5695] close(4 [pid 5694] close(10 [pid 5081] fstat(4, [pid 5710] <... symlink resumed>) = 0 [pid 5705] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5710] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... futex resumed>) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5695] close(5 [pid 5694] close(11 [pid 5081] getdents64(4, [pid 5710] <... futex resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5705] mkdir("./bus", 000 [pid 5702] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] close(6 [pid 5694] close(12 [pid 5081] getdents64(4, [pid 5710] <... mmap resumed>) = 0x7f87c84f0000 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5710] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5695] close(7 [pid 5694] close(13 [pid 5081] close(4 [pid 5710] <... mprotect resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 5710] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5705] <... mkdir resumed>) = 0 [pid 5702] <... futex resumed>) = 0 [pid 5695] close(8 [pid 5694] close(14 [pid 5081] rmdir("./26/file0"./strace-static-x86_64: Process 5711 attached [pid 5705] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... rmdir resumed>) = 0 [pid 5711] set_robust_list(0x7f87c85109e0, 24 [pid 5710] <... clone resumed>, parent_tid=[77], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 77 [pid 5705] <... futex resumed>) = 0 [pid 5702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] close(9 [pid 5694] close(15 [pid 5081] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5711] <... set_robust_list resumed>) = 0 [pid 5710] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] memfd_create("syzkaller", 0 [pid 5705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] <... futex resumed>) = 0 [pid 5711] <... memfd_create resumed>) = 3 [pid 5710] <... futex resumed>) = 0 [pid 5705] mkdir("./file0", 000 [pid 5702] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5711] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5710] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5695] close(10 [pid 5694] close(16 [pid 5081] lstat("./26/cgroup.cpu", [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5695] close(11 [pid 5694] close(17 [pid 5081] unlink("./26/cgroup.cpu" [pid 5705] <... mkdir resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... unlink resumed>) = 0 [pid 5711] <... mmap resumed>) = 0x7f87c00f0000 [pid 5705] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] close(12 [pid 5694] close(18 [pid 5081] getdents64(3, [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5695] close(13 [pid 5694] close(19 [pid 5081] close(3 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 5695] close(14 [pid 5694] close(20 [pid 5081] rmdir("./26" [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... rmdir resumed>) = 0 [pid 5695] close(15 [pid 5694] close(21 [pid 5081] mkdir("./27", 0777 [pid 5705] <... futex resumed>) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... mkdir resumed>) = 0 [pid 5705] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5702] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] close(16 [pid 5694] close(22 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5702] <... futex resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... openat resumed>) = 3 [pid 5702] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5695] close(17 [pid 5694] close(23 [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5695] close(18 [pid 5694] close(24 [pid 5081] close(3 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 5695] close(19 [pid 5694] close(25 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5712 attached [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] set_robust_list(0x5555565af5e0, 24 [pid 5695] close(20 [pid 5694] close(26 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 80 [pid 5712] <... set_robust_list resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] chdir("./27" [pid 5695] close(21 [pid 5694] close(27 [pid 5712] <... chdir resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = 0 [pid 5712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5695] close(22 [pid 5694] close(28 [pid 5082] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5712] <... prctl resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5712] setpgid(0, 0 [pid 5695] close(23 [pid 5694] close(29 [pid 5082] lstat("./26/file0", [pid 5712] <... setpgid resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5712] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5695] close(24 [pid 5694] exit_group(0 [pid 5082] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5712] <... symlink resumed>) = 0 [pid 5709] <... futex resumed>) = ? [pid 5699] <... futex resumed>) = ? [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5694] <... exit_group resumed>) = ? [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5712] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5709] +++ exited with 0 +++ [pid 5699] +++ exited with 0 +++ [pid 5695] close(25 [pid 5694] +++ exited with 0 +++ [pid 5082] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5712] <... symlink resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 4 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5712] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5695] close(26 [pid 5082] fstat(4, [pid 5712] <... symlink resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5695] close(27 [pid 5082] getdents64(4, [pid 5712] <... openat resumed>) = 3 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5712] write(3, "1000", 4 [pid 5695] close(28 [pid 5082] getdents64(4, [pid 5712] <... write resumed>) = 4 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 106.661740][ T5705] overlayfs: upper fs needs to support d_type. [ 106.680876][ T5705] overlayfs: upper fs does not support tmpfile. [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5712] close(3 [pid 5695] close(29 [pid 5082] close(4 [pid 5080] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5712] <... close resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5712] read(200, [pid 5695] exit_group(0 [pid 5082] rmdir("./26/file0" [pid 5080] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5712] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5700] <... futex resumed>) = ? [pid 5695] <... exit_group resumed>) = ? [pid 5082] <... rmdir resumed>) = 0 [pid 5080] <... openat resumed>) = 3 [pid 5712] symlink("/dev/binderfs", "./binderfs" [pid 5702] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] +++ exited with 0 +++ [pid 5695] +++ exited with 0 +++ [pid 5082] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] fstat(3, [pid 5712] <... symlink resumed>) = 0 [pid 5702] <... futex resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5712] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] lstat("./26/cgroup.cpu", [pid 5080] getdents64(3, [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5712] <... futex resumed>) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5702] <... mmap resumed>) = 0x7f87c04cf000 [pid 5082] unlink("./26/cgroup.cpu" [pid 5080] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5712] <... mmap resumed>) = 0x7f87c84f0000 [pid 5702] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5082] <... unlink resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5712] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5702] <... mprotect resumed>) = 0 [pid 5082] getdents64(3, [pid 5080] lstat("./27/binderfs", [pid 5079] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5712] <... mprotect resumed>) = 0 [pid 5702] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5713 attached [pid 5712] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] close(3 [pid 5080] unlink("./27/binderfs" [pid 5079] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5714 attached [pid 5713] set_robust_list(0x7f87c04ef9e0, 24 [pid 5702] <... clone resumed>, parent_tid=[73], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 73 [pid 5082] <... close resumed>) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5079] fstat(3, [pid 5714] set_robust_list(0x7f87c85109e0, 24 [pid 5713] <... set_robust_list resumed>) = 0 [pid 5712] <... clone resumed>, parent_tid=[81], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 81 [pid 5702] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] rmdir("./26" [pid 5080] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5714] <... set_robust_list resumed>) = 0 [pid 5713] mkdir(".", 0777 [pid 5712] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... futex resumed>) = 0 [pid 5082] <... rmdir resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] getdents64(3, [pid 5714] memfd_create("syzkaller", 0 [pid 5713] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5712] <... futex resumed>) = 0 [pid 5702] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] mkdir("./27", 0777 [pid 5080] lstat("./27/cgroup", [pid 5714] <... memfd_create resumed>) = 3 [pid 5713] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5712] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5711] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5705] <... mount resumed>) = 0 [pid 5082] <... mkdir resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [ 106.711073][ T5705] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5714] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5705] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5080] unlink("./27/cgroup" [pid 5079] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5714] <... mmap resumed>) = 0x7f87c00f0000 [pid 5079] lstat("./26/binderfs", [pid 5082] <... openat resumed>) = 3 [pid 5080] <... unlink resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./26/binderfs" [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5079] <... unlink resumed>) = 0 [pid 5079] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./26/cgroup", [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5080] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] close(3 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] unlink("./26/cgroup" [pid 5082] <... close resumed>) = 0 [pid 5080] lstat("./27/cgroup.net", [pid 5079] <... unlink resumed>) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5713] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5705] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./26/cgroup.net", ./strace-static-x86_64: Process 5715 attached [pid 5713] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] unlink("./27/cgroup.net" [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5715] set_robust_list(0x5555565af5e0, 24 [pid 5713] <... futex resumed>) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 78 [pid 5080] <... unlink resumed>) = 0 [pid 5079] unlink("./26/cgroup.net" [pid 5715] <... set_robust_list resumed>) = 0 [pid 5714] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5713] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... unlink resumed>) = 0 [pid 5715] chdir("./27" [pid 5705] <... futex resumed>) = 0 [pid 5702] <... futex resumed>) = 1 [pid 5715] <... chdir resumed>) = 0 [pid 5705] unlink(NULL [pid 5702] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5715] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5705] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5715] <... prctl resumed>) = 0 [pid 5705] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] setpgid(0, 0 [pid 5705] <... futex resumed>) = 1 [pid 5702] <... futex resumed>) = 0 [pid 5702] close(3 [pid 5715] <... setpgid resumed>) = 0 [pid 5705] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] <... close resumed>) = 0 [pid 5715] symlink("/syzcgroup/unified/syz5", "./cgroup" [ 106.754131][ T5713] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5702] close(4 [pid 5715] <... symlink resumed>) = 0 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5702] close(5 [pid 5715] <... symlink resumed>) = 0 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(6 [pid 5715] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(7 [pid 5715] <... symlink resumed>) = 0 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5702] close(8) = -1 EBADF (Bad file descriptor) [pid 5715] <... openat resumed>) = 3 [pid 5702] close(9 [pid 5715] write(3, "1000", 4 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(10 [pid 5715] <... write resumed>) = 4 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] close(3 [pid 5702] close(11 [pid 5715] <... close resumed>) = 0 [pid 5715] read(200, [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] close(12) = -1 EBADF (Bad file descriptor) [pid 5715] symlink("/dev/binderfs", "./binderfs" [pid 5702] close(13 [pid 5715] <... symlink resumed>) = 0 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(14) = -1 EBADF (Bad file descriptor) [pid 5702] close(15 [pid 5715] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(16 [pid 5715] <... futex resumed>) = 0 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5702] close(17) = -1 EBADF (Bad file descriptor) [pid 5715] <... mmap resumed>) = 0x7f87c84f0000 [pid 5702] close(18) = -1 EBADF (Bad file descriptor) [pid 5715] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5702] close(19) = -1 EBADF (Bad file descriptor) [pid 5702] close(20) = -1 EBADF (Bad file descriptor) [pid 5715] <... mprotect resumed>) = 0 [pid 5702] close(21) = -1 EBADF (Bad file descriptor) [pid 5715] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5702] close(22./strace-static-x86_64: Process 5716 attached ) = -1 EBADF (Bad file descriptor) [pid 5716] set_robust_list(0x7f87c85109e0, 24 [pid 5715] <... clone resumed>, parent_tid=[79], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 79 [pid 5702] close(23 [pid 5716] <... set_robust_list resumed>) = 0 [pid 5715] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5716] memfd_create("syzkaller", 0 [pid 5715] <... futex resumed>) = 0 [pid 5702] close(24 [pid 5716] <... memfd_create resumed>) = 3 [pid 5715] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5716] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5702] close(25 [pid 5716] <... mmap resumed>) = 0x7f87c00f0000 [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = 0 [pid 5702] close(26 [pid 5079] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] close(27 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./26/file0", [pid 5702] close(28) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5702] close(29 [pid 5079] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5702] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5702] exit_group(0 [pid 5079] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5713] <... futex resumed>) = ? [pid 5705] <... futex resumed>) = ? [pid 5702] <... exit_group resumed>) = ? [pid 5080] <... umount2 resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 5713] +++ exited with 0 +++ [pid 5705] +++ exited with 0 +++ [pid 5702] +++ exited with 0 +++ [pid 5080] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] fstat(4, [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] lstat("./27/file0", [pid 5079] getdents64(4, [pid 5078] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] getdents64(4, [pid 5078] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] close(4 [pid 5078] <... openat resumed>) = 3 [pid 5080] <... openat resumed>) = 4 [pid 5079] <... close resumed>) = 0 [pid 5078] fstat(3, [pid 5079] rmdir("./26/file0") = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] getdents64(3, [pid 5079] lstat("./26/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] unlink("./26/cgroup.cpu") = 0 [pid 5078] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] close(3 [pid 5078] lstat("./25/binderfs", [pid 5079] <... close resumed>) = 0 [pid 5079] rmdir("./26" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5711] <... write resumed>) = 4194304 [pid 5080] fstat(4, [pid 5079] <... rmdir resumed>) = 0 [pid 5078] unlink("./25/binderfs" [pid 5711] munmap(0x7f87c00f0000, 4194304 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] mkdir("./27", 0777 [pid 5078] <... unlink resumed>) = 0 [pid 5079] <... mkdir resumed>) = 0 [pid 5711] <... munmap resumed>) = 0 [pid 5080] getdents64(4, [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5078] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5711] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] <... openat resumed>) = 3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5711] <... openat resumed>) = 4 [pid 5080] getdents64(4, [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5078] lstat("./25/cgroup", [pid 5711] ioctl(4, LOOP_SET_FD, 3 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] close(4 [pid 5079] close(3 [pid 5078] unlink("./25/cgroup" [pid 5716] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5711] <... ioctl resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5711] close(3 [pid 5080] rmdir("./27/file0" [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5717 attached [pid 5711] <... close resumed>) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 5078] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5717] set_robust_list(0x5555565af5e0, 24 [pid 5711] mkdir("./file0", 0777 [pid 5080] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 76 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5717] <... set_robust_list resumed>) = 0 [pid 5711] <... mkdir resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./25/cgroup.net", [pid 5717] chdir("./27" [pid 5711] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5080] lstat("./27/cgroup.cpu", [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5717] <... chdir resumed>) = 0 [pid 5717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./25/cgroup.net" [pid 5717] <... prctl resumed>) = 0 [pid 5080] unlink("./27/cgroup.cpu" [pid 5717] setpgid(0, 0 [pid 5714] <... write resumed>) = 4194304 [pid 5078] <... unlink resumed>) = 0 [pid 5714] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5714] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5080] <... unlink resumed>) = 0 [pid 5717] <... setpgid resumed>) = 0 [pid 5078] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5717] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5080] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5717] <... symlink resumed>) = 0 [pid 5080] close(3 [pid 5714] ioctl(4, LOOP_SET_FD, 3 [pid 5717] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5080] <... close resumed>) = 0 [pid 5080] rmdir("./27" [pid 5717] <... symlink resumed>) = 0 [pid 5717] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5080] <... rmdir resumed>) = 0 [pid 5080] mkdir("./28", 0777 [pid 5717] <... symlink resumed>) = 0 [pid 5717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... mkdir resumed>) = 0 [ 106.966561][ T5711] loop2: detected capacity change from 0 to 8192 [ 107.000605][ T5711] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5717] <... openat resumed>) = 3 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5717] write(3, "1000", 4 [pid 5080] <... openat resumed>) = 3 [pid 5717] <... write resumed>) = 4 [pid 5717] close(3 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5717] <... close resumed>) = 0 [pid 5717] read(200, [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5717] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] close(3 [pid 5717] symlink("/dev/binderfs", "./binderfs" [pid 5080] <... close resumed>) = 0 [pid 5717] <... symlink resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5714] <... ioctl resumed>) = 0 [pid 5714] close(3./strace-static-x86_64: Process 5719 attached [pid 5717] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] set_robust_list(0x5555565af5e0, 24 [pid 5717] <... futex resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 76 [pid 5719] <... set_robust_list resumed>) = 0 [pid 5717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5719] chdir("./28" [pid 5717] <... mmap resumed>) = 0x7f87c84f0000 [pid 5717] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5719] <... chdir resumed>) = 0 [pid 5717] <... mprotect resumed>) = 0 [pid 5719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5717] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5720 attached [pid 5719] <... prctl resumed>) = 0 [pid 5714] <... close resumed>) = 0 [pid 5720] set_robust_list(0x7f87c85109e0, 24 [pid 5717] <... clone resumed>, parent_tid=[77], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 77 [pid 5714] mkdir("./file0", 0777 [pid 5720] <... set_robust_list resumed>) = 0 [pid 5717] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... mkdir resumed>) = 0 [pid 5720] memfd_create("syzkaller", 0 [pid 5717] <... futex resumed>) = 0 [pid 5714] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5720] <... memfd_create resumed>) = 3 [pid 5717] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5719] setpgid(0, 0 [pid 5720] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5719] <... setpgid resumed>) = 0 [pid 5720] <... mmap resumed>) = 0x7f87c00f0000 [pid 5719] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [ 107.026036][ T5714] loop3: detected capacity change from 0 to 8192 [ 107.048092][ T5711] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5719] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5719] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5719] write(3, "1000", 4) = 4 [pid 5719] close(3) = 0 [pid 5719] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5719] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5719] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5719] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [ 107.081510][ T5711] REISERFS (device loop2): using ordered data mode [ 107.088203][ T5711] reiserfs: using flush barriers [ 107.099243][ T5714] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 107.112078][ T5711] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5719] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5722 attached [pid 5722] set_robust_list(0x7f87c85109e0, 24 [pid 5719] <... clone resumed>, parent_tid=[77], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 77 [pid 5722] <... set_robust_list resumed>) = 0 [pid 5719] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] memfd_create("syzkaller", 0 [pid 5719] <... futex resumed>) = 0 [pid 5722] <... memfd_create resumed>) = 3 [pid 5719] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5722] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5716] <... write resumed>) = 4194304 [ 107.114425][ T5714] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 107.140605][ T5714] REISERFS (device loop3): using ordered data mode [ 107.147391][ T5714] reiserfs: using flush barriers [ 107.163438][ T5714] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5716] munmap(0x7f87c00f0000, 4194304 [pid 5720] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5716] <... munmap resumed>) = 0 [pid 5716] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5716] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5716] close(3) = 0 [ 107.183682][ T5714] REISERFS (device loop3): checking transaction log (loop3) [ 107.194558][ T5714] REISERFS (device loop3): Using r5 hash to sort names [ 107.202720][ T5714] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 107.218944][ T5711] REISERFS (device loop2): checking transaction log (loop2) [ 107.227597][ T5716] loop5: detected capacity change from 0 to 8192 [pid 5716] mkdir("./file0", 0777) = 0 [pid 5722] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5078] <... umount2 resumed>) = 0 [pid 5078] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5716] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5714] <... mount resumed>) = 0 [pid 5078] lstat("./25/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5714] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5711] <... mount resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 107.235778][ T5711] REISERFS (device loop2): Using r5 hash to sort names [ 107.243477][ T5714] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 107.255065][ T5711] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 107.268995][ T5711] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5078] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] close(4) = 0 [pid 5078] rmdir("./25/file0") = 0 [pid 5078] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5714] <... openat resumed>) = 3 [pid 5711] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] lstat("./25/cgroup.cpu", [pid 5714] chdir("./file0" [pid 5711] <... openat resumed>) = 3 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./25/cgroup.cpu") = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] close(3 [pid 5714] <... chdir resumed>) = 0 [pid 5711] chdir("./file0" [pid 5078] <... close resumed>) = 0 [pid 5078] rmdir("./25") = 0 [pid 5078] mkdir("./26", 0777 [pid 5714] ioctl(4, LOOP_CLR_FD [pid 5711] <... chdir resumed>) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5078] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 107.283307][ T5716] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 107.298469][ T5716] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 107.309087][ T5716] REISERFS (device loop5): using ordered data mode [ 107.315964][ T5716] reiserfs: using flush barriers [pid 5078] close(3 [pid 5714] <... ioctl resumed>) = 0 [pid 5711] ioctl(4, LOOP_CLR_FD [pid 5078] <... close resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5724 attached [pid 5724] set_robust_list(0x5555565af5e0, 24 [pid 5714] close(4 [pid 5711] <... ioctl resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 74 [pid 5724] <... set_robust_list resumed>) = 0 [pid 5714] <... close resumed>) = 0 [pid 5711] close(4 [pid 5724] chdir("./26" [pid 5714] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] <... close resumed>) = 0 [pid 5724] <... chdir resumed>) = 0 [pid 5714] <... futex resumed>) = 1 [pid 5712] <... futex resumed>) = 0 [pid 5711] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5714] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] <... futex resumed>) = 1 [pid 5710] <... futex resumed>) = 0 [pid 5724] <... prctl resumed>) = 0 [ 107.323733][ T5716] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 107.343619][ T5716] REISERFS (device loop5): checking transaction log (loop5) [ 107.354229][ T5716] REISERFS (device loop5): Using r5 hash to sort names [pid 5722] <... write resumed>) = 4194304 [pid 5714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5724] setpgid(0, 0) = 0 [pid 5724] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5712] <... futex resumed>) = 0 [pid 5724] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5722] munmap(0x7f87c00f0000, 4194304 [pid 5714] mkdir("./file1", 000 [pid 5711] mkdir("./file1", 000 [pid 5710] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] <... symlink resumed>) = 0 [pid 5724] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5724] write(3, "1000", 4) = 4 [pid 5714] <... mkdir resumed>) = 0 [pid 5712] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5724] close(3 [pid 5722] <... munmap resumed>) = 0 [pid 5711] <... mkdir resumed>) = 0 [pid 5714] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] <... futex resumed>) = 0 [pid 5724] <... close resumed>) = 0 [pid 5722] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5716] <... mount resumed>) = 0 [pid 5714] <... futex resumed>) = 1 [pid 5712] <... futex resumed>) = 0 [pid 5711] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5724] read(200, [pid 5722] <... openat resumed>) = 4 [pid 5716] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5714] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] <... futex resumed>) = 0 [pid 5710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5724] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5722] ioctl(4, LOOP_SET_FD, 3 [pid 5716] <... openat resumed>) = 3 [pid 5714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5712] <... futex resumed>) = 0 [pid 5711] mkdir("./bus", 000 [pid 5710] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5724] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5724] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5722] <... ioctl resumed>) = 0 [pid 5714] mkdir("./bus", 000 [pid 5712] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] <... futex resumed>) = 0 [pid 5724] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5716] chdir("./file0" [pid 5714] <... mkdir resumed>) = 0 [pid 5711] <... mkdir resumed>) = 0 [pid 5710] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5724] <... mprotect resumed>) = 0 [pid 5716] <... chdir resumed>) = 0 [pid 5714] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 107.385600][ T5716] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 107.399500][ T5716] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 107.419637][ T5722] loop4: detected capacity change from 0 to 8192 [pid 5724] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5722] close(3 [pid 5716] ioctl(4, LOOP_CLR_FD [pid 5714] <... futex resumed>) = 1 [pid 5712] <... futex resumed>) = 0 [pid 5711] <... futex resumed>) = 1 [pid 5710] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5725 attached [pid 5722] <... close resumed>) = 0 [pid 5716] <... ioctl resumed>) = 0 [pid 5714] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5710] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] set_robust_list(0x7f87c85109e0, 24 [pid 5722] mkdir("./file0", 0777 [pid 5716] close(4 [pid 5714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5712] <... futex resumed>) = 0 [pid 5711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5710] <... futex resumed>) = 0 [pid 5725] <... set_robust_list resumed>) = 0 [pid 5722] <... mkdir resumed>) = 0 [pid 5716] <... close resumed>) = 0 [pid 5714] mkdir("./file0", 000 [pid 5712] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5711] mkdir("./file0", 000 [pid 5710] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5725] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5716] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... mkdir resumed>) = 0 [pid 5711] <... mkdir resumed>) = 0 [pid 5724] <... clone resumed>, parent_tid=[75], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 75 [pid 5716] <... futex resumed>) = 1 [pid 5715] <... futex resumed>) = 0 [pid 5714] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5715] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... futex resumed>) = 1 [pid 5712] <... futex resumed>) = 0 [pid 5711] <... futex resumed>) = 1 [pid 5710] <... futex resumed>) = 0 [pid 5725] <... futex resumed>) = 0 [pid 5724] <... futex resumed>) = 1 [pid 5716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5715] <... futex resumed>) = 0 [pid 5714] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5710] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] memfd_create("syzkaller", 0 [pid 5724] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5716] mkdir("./file1", 000 [pid 5715] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5712] <... futex resumed>) = 0 [pid 5711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5710] <... futex resumed>) = 0 [pid 5716] <... mkdir resumed>) = 0 [pid 5714] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5712] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5711] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5710] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5725] <... memfd_create resumed>) = 3 [pid 5720] <... write resumed>) = 4194304 [pid 5716] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5716] <... futex resumed>) = 1 [pid 5715] <... futex resumed>) = 0 [pid 5725] <... mmap resumed>) = 0x7f87c00f0000 [pid 5720] munmap(0x7f87c00f0000, 4194304 [pid 5716] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5715] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] <... munmap resumed>) = 0 [pid 5716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5715] <... futex resumed>) = 0 [pid 5720] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5716] mkdir("./bus", 000 [pid 5715] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5720] <... openat resumed>) = 4 [pid 5716] <... mkdir resumed>) = 0 [pid 5720] ioctl(4, LOOP_SET_FD, 3 [ 107.448374][ T5722] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 107.452062][ T5714] overlayfs: upper fs needs to support d_type. [ 107.478568][ T5711] overlayfs: upper fs needs to support d_type. [pid 5716] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5715] <... futex resumed>) = 0 [pid 5716] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5715] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5715] <... futex resumed>) = 0 [pid 5716] mkdir("./file0", 000 [pid 5715] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] <... mkdir resumed>) = 0 [pid 5716] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5715] <... futex resumed>) = 0 [pid 5716] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5715] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5715] <... futex resumed>) = 0 [pid 5716] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5715] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5720] <... ioctl resumed>) = 0 [ 107.495732][ T5720] loop1: detected capacity change from 0 to 8192 [ 107.508634][ T5711] overlayfs: upper fs does not support tmpfile. [ 107.525707][ T5716] overlayfs: upper fs needs to support d_type. [ 107.535218][ T5716] overlayfs: upper fs does not support tmpfile. [pid 5720] close(3) = 0 [pid 5725] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5720] mkdir("./file0", 0777) = 0 [ 107.544934][ T5722] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 107.547705][ T5711] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 107.562905][ T5722] REISERFS (device loop4): using ordered data mode [ 107.567933][ T5714] overlayfs: upper fs does not support tmpfile. [ 107.582007][ T5722] reiserfs: using flush barriers [pid 5720] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5715] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5715] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... write resumed>) = 4194304 [ 107.589735][ T5720] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 107.603916][ T5722] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 107.627546][ T5722] REISERFS (device loop4): checking transaction log (loop4) [ 107.641179][ T5716] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5715] <... futex resumed>) = 0 [pid 5711] <... mount resumed>) = 0 [pid 5710] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5725] munmap(0x7f87c00f0000, 4194304 [pid 5714] <... mount resumed>) = 0 [pid 5711] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5712] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5712] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5725] <... munmap resumed>) = 0 [pid 5711] <... futex resumed>) = 0 [pid 5710] <... futex resumed>) = 0 [pid 5712] <... mprotect resumed>) = 0 [pid 5712] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5711] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5725] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5714] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] <... mmap resumed>) = 0x7f87c04cf000 [pid 5725] <... openat resumed>) = 4 [pid 5714] <... futex resumed>) = 0 [pid 5710] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5712] <... clone resumed>, parent_tid=[82], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 82 [pid 5712] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5712] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5728 attached [pid 5728] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 5728] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5728] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5725] ioctl(4, LOOP_SET_FD, 3 [pid 5714] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5715] <... mmap resumed>) = 0x7f87c04cf000 [pid 5715] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5715] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[80], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 80 [pid 5715] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5715] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5710] <... mprotect resumed>) = 0 [pid 5725] <... ioctl resumed>) = 0 [ 107.646961][ T5714] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 107.651318][ T5722] REISERFS (device loop4): Using r5 hash to sort names [ 107.661485][ T5720] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 107.675916][ T5720] REISERFS (device loop1): using ordered data mode [ 107.684229][ T5725] loop0: detected capacity change from 0 to 8192 [pid 5710] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5729 attached [pid 5725] close(3 [pid 5716] <... mount resumed>) = 0 [pid 5725] <... close resumed>) = 0 [pid 5710] <... clone resumed>, parent_tid=[78], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 78 [pid 5725] mkdir("./file0", 0777 [pid 5710] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... mkdir resumed>) = 0 [pid 5725] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5710] <... futex resumed>) = 0 [pid 5710] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5729] set_robust_list(0x7f87c04ef9e0, 24 [pid 5716] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... set_robust_list resumed>) = 0 [pid 5716] <... futex resumed>) = 0 [pid 5729] mkdir(".", 0777 [pid 5716] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5730 attached [pid 5729] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5730] set_robust_list(0x7f87c04ef9e0, 24 [pid 5729] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5730] <... set_robust_list resumed>) = 0 [pid 5730] mkdir(".", 0777) = -1 EEXIST (File exists) [ 107.694061][ T5720] reiserfs: using flush barriers [ 107.699144][ T5722] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 107.717083][ T5720] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 107.717944][ T5722] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5730] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5722] <... mount resumed>) = 0 [pid 5722] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5722] chdir("./file0") = 0 [pid 5722] ioctl(4, LOOP_CLR_FD) = 0 [pid 5722] close(4) = 0 [pid 5722] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5722] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5728] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5728] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5712] <... futex resumed>) = 0 [pid 5728] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 107.746667][ T5728] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 107.747447][ T5720] REISERFS (device loop1): checking transaction log (loop1) [ 107.762326][ T5725] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 107.786046][ T5730] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5712] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5712] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5719] <... futex resumed>) = 0 [pid 5719] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5719] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5722] <... futex resumed>) = 0 [pid 5730] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] mkdir("./file1", 000 [pid 5730] <... futex resumed>) = 1 [pid 5710] <... futex resumed>) = 0 [pid 5710] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] <... futex resumed>) = 0 [pid 5710] <... futex resumed>) = 1 [pid 5711] unlink(NULL [pid 5710] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5711] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5722] <... mkdir resumed>) = 0 [pid 5711] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] <... futex resumed>) = 1 [pid 5710] <... futex resumed>) = 0 [pid 5711] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5710] close(3 [pid 5722] <... futex resumed>) = 1 [pid 5719] <... futex resumed>) = 0 [pid 5710] <... close resumed>) = 0 [pid 5722] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5719] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] close(4) = -1 EBADF (Bad file descriptor) [pid 5710] close(5 [pid 5722] <... futex resumed>) = 0 [pid 5719] <... futex resumed>) = 1 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5722] mkdir("./bus", 000 [pid 5719] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] close(6) = -1 EBADF (Bad file descriptor) [pid 5722] <... mkdir resumed>) = 0 [pid 5710] close(7 [pid 5722] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5722] <... futex resumed>) = 1 [pid 5719] <... futex resumed>) = 0 [pid 5710] close(8 [pid 5722] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5719] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5719] <... futex resumed>) = 0 [pid 5710] close(9 [pid 5722] mkdir("./file0", 000 [pid 5719] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 107.790160][ T5729] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 107.800975][ T5725] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 107.827010][ T5725] REISERFS (device loop0): using ordered data mode [ 107.828932][ T5720] REISERFS (device loop1): Using r5 hash to sort names [ 107.834997][ T5725] reiserfs: using flush barriers [pid 5729] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5722] <... mkdir resumed>) = 0 [pid 5714] <... futex resumed>) = 0 [pid 5710] close(10 [pid 5729] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] unlink(NULL [pid 5729] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 1 [pid 5715] <... futex resumed>) = 0 [pid 5714] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5729] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5715] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... futex resumed>) = 1 [pid 5714] <... futex resumed>) = 0 [pid 5712] close(3 [pid 5715] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] <... close resumed>) = 0 [pid 5712] close(4) = -1 EBADF (Bad file descriptor) [pid 5712] close(5) = -1 EBADF (Bad file descriptor) [pid 5712] close(6) = -1 EBADF (Bad file descriptor) [pid 5712] close(7) = -1 EBADF (Bad file descriptor) [pid 5712] close(8 [pid 5719] <... futex resumed>) = 0 [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] close(9 [pid 5719] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5722] <... futex resumed>) = 0 [pid 5719] <... futex resumed>) = 1 [pid 5712] close(10 [pid 5722] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] close(11) = -1 EBADF (Bad file descriptor) [pid 5712] close(12) = -1 EBADF (Bad file descriptor) [pid 5712] close(13) = -1 EBADF (Bad file descriptor) [pid 5712] close(14) = -1 EBADF (Bad file descriptor) [pid 5712] close(15) = -1 EBADF (Bad file descriptor) [pid 5712] close(16) = -1 EBADF (Bad file descriptor) [pid 5712] close(17) = -1 EBADF (Bad file descriptor) [pid 5712] close(18) = -1 EBADF (Bad file descriptor) [pid 5712] close(19) = -1 EBADF (Bad file descriptor) [pid 5712] close(20) = -1 EBADF (Bad file descriptor) [pid 5712] close(21) = -1 EBADF (Bad file descriptor) [pid 5712] close(22) = -1 EBADF (Bad file descriptor) [pid 5712] close(23) = -1 EBADF (Bad file descriptor) [ 107.863222][ T5720] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 107.878962][ T5725] 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 [ 107.896253][ T5720] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5720] <... mount resumed>) = 0 [pid 5719] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] <... futex resumed>) = 0 [pid 5712] close(24 [pid 5710] close(11) = -1 EBADF (Bad file descriptor) [pid 5710] close(12) = -1 EBADF (Bad file descriptor) [pid 5710] close(13) = -1 EBADF (Bad file descriptor) [pid 5710] close(14) = -1 EBADF (Bad file descriptor) [pid 5710] close(15) = -1 EBADF (Bad file descriptor) [pid 5710] close(16) = -1 EBADF (Bad file descriptor) [pid 5710] close(17) = -1 EBADF (Bad file descriptor) [pid 5710] close(18) = -1 EBADF (Bad file descriptor) [pid 5710] close(19 [pid 5716] unlink(NULL [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5720] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5716] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5712] close(25 [pid 5710] close(20 [pid 5720] <... openat resumed>) = 3 [pid 5716] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5720] chdir("./file0" [pid 5716] <... futex resumed>) = 1 [pid 5715] <... futex resumed>) = 0 [pid 5712] close(26 [pid 5720] <... chdir resumed>) = 0 [pid 5716] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5715] close(3 [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5720] ioctl(4, LOOP_CLR_FD [pid 5715] <... close resumed>) = 0 [pid 5712] close(27 [pid 5720] <... ioctl resumed>) = 0 [pid 5715] close(4 [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5710] close(21) = -1 EBADF (Bad file descriptor) [pid 5710] close(22) = -1 EBADF (Bad file descriptor) [pid 5710] close(23) = -1 EBADF (Bad file descriptor) [pid 5710] close(24) = -1 EBADF (Bad file descriptor) [pid 5710] close(25) = -1 EBADF (Bad file descriptor) [pid 5710] close(26) = -1 EBADF (Bad file descriptor) [pid 5710] close(27) = -1 EBADF (Bad file descriptor) [pid 5710] close(28) = -1 EBADF (Bad file descriptor) [pid 5710] close(29) = -1 EBADF (Bad file descriptor) [pid 5710] exit_group(0 [pid 5730] <... futex resumed>) = ? [pid 5711] <... futex resumed>) = ? [pid 5710] <... exit_group resumed>) = ? [pid 5730] +++ exited with 0 +++ [pid 5711] +++ exited with 0 +++ [pid 5710] +++ exited with 0 +++ [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5720] close(4 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5720] <... close resumed>) = 0 [pid 5715] close(5 [pid 5712] close(28 [pid 5083] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5083] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [ 107.897695][ T5722] overlayfs: upper fs needs to support d_type. [ 107.918492][ T5722] overlayfs: upper fs does not support tmpfile. [ 107.918926][ T5725] REISERFS (device loop0): checking transaction log (loop0) [ 107.935816][ T5725] REISERFS (device loop0): Using r5 hash to sort names [ 107.943444][ T5725] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5720] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5720] <... futex resumed>) = 1 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5720] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] lstat("./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] unlink("./26/binderfs") = 0 [pid 5083] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./26/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./26/cgroup" [pid 5717] <... futex resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5717] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] close(6 [pid 5712] close(29 [pid 5083] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5720] <... futex resumed>) = 0 [pid 5717] <... futex resumed>) = 1 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5720] mkdir("./file1", 000 [pid 5083] lstat("./26/cgroup.net", [pid 5720] <... mkdir resumed>) = 0 [pid 5717] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5720] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5715] close(7 [pid 5712] exit_group(0 [pid 5083] unlink("./26/cgroup.net" [pid 5728] <... futex resumed>) = ? [pid 5720] <... futex resumed>) = 0 [pid 5717] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5714] <... futex resumed>) = ? [pid 5712] <... exit_group resumed>) = ? [pid 5083] <... unlink resumed>) = 0 [pid 5728] +++ exited with 0 +++ [pid 5720] mkdir("./bus", 000 [pid 5715] close(8 [pid 5714] +++ exited with 0 +++ [pid 5083] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5720] <... mkdir resumed>) = 0 [pid 5720] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... futex resumed>) = 0 [pid 5720] <... futex resumed>) = 0 [pid 5717] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5715] close(9 [pid 5720] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5712] +++ exited with 0 +++ [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5725] <... mount resumed>) = 0 [pid 5722] <... mount resumed>) = 0 [pid 5719] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5717] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] close(10 [pid 5725] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5722] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... futex resumed>) = 1 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] <... openat resumed>) = 3 [pid 5722] <... futex resumed>) = 0 [pid 5720] <... futex resumed>) = 0 [pid 5719] <... futex resumed>) = 0 [pid 5717] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5715] close(11 [pid 5725] chdir("./file0" [pid 5722] mkdir(".", 0777 [pid 5720] mkdir("./file0", 000 [pid 5719] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] <... chdir resumed>) = 0 [pid 5722] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5720] <... mkdir resumed>) = 0 [pid 5715] close(12 [pid 5725] ioctl(4, LOOP_CLR_FD [ 107.946722][ T5722] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 107.959079][ T5725] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5722] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5720] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5725] <... ioctl resumed>) = 0 [pid 5720] <... futex resumed>) = 1 [pid 5720] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5717] <... futex resumed>) = 0 [pid 5715] close(13 [pid 5725] close(4 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5722] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5725] <... close resumed>) = 0 [pid 5717] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5725] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5722] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5720] <... futex resumed>) = 0 [pid 5717] <... futex resumed>) = 1 [pid 5724] <... futex resumed>) = 0 [pid 5715] close(14 [pid 5725] <... futex resumed>) = 1 [pid 5081] <... openat resumed>) = 3 [ 108.021967][ T5722] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 108.059461][ T5720] overlayfs: upper fs needs to support d_type. [pid 5725] mkdir("./file1", 000 [pid 5724] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5717] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] fstat(3, [pid 5725] <... mkdir resumed>) = 0 [pid 5724] <... futex resumed>) = 0 [pid 5719] <... futex resumed>) = 0 [pid 5715] close(15 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5725] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5719] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(3, [pid 5725] <... futex resumed>) = 0 [pid 5724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5722] <... futex resumed>) = 0 [pid 5719] <... futex resumed>) = 1 [pid 5715] close(16 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5725] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5724] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5724] <... futex resumed>) = 0 [pid 5722] unlink(NULL [pid 5715] close(17 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5722] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5083] <... umount2 resumed>) = 0 [pid 5722] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5722] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5725] mkdir("./bus", 000 [pid 5724] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5719] <... futex resumed>) = 0 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] lstat("./27/binderfs", [pid 5725] <... mkdir resumed>) = 0 [pid 5719] close(3 [pid 5715] close(18 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5725] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] <... mount resumed>) = 0 [pid 5719] <... close resumed>) = 0 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./26/file0", [pid 5081] unlink("./27/binderfs" [pid 5725] <... futex resumed>) = 1 [pid 5724] <... futex resumed>) = 0 [pid 5720] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] close(4 [pid 5715] close(19 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5725] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5724] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] <... futex resumed>) = 1 [pid 5719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... futex resumed>) = 0 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5724] <... futex resumed>) = 0 [pid 5720] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5719] close(5 [pid 5717] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] close(20 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5725] mkdir("./file0", 000 [pid 5724] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... futex resumed>) = 0 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] lstat("./27/cgroup", [pid 5725] <... mkdir resumed>) = 0 [pid 5720] mkdir(".", 0777 [pid 5719] close(6 [pid 5717] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5715] close(21 [pid 5083] <... openat resumed>) = 4 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5725] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] fstat(4, [pid 5081] unlink("./27/cgroup" [pid 5725] <... futex resumed>) = 1 [pid 5724] <... futex resumed>) = 0 [pid 5720] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5719] close(7 [pid 5715] close(22 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5725] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5724] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 108.067841][ T5720] overlayfs: upper fs does not support tmpfile. [ 108.086591][ T5720] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5083] getdents64(4, [pid 5081] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5725] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5724] <... futex resumed>) = 0 [pid 5719] close(8 [pid 5715] close(23 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5725] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5724] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] close(24 [pid 5083] getdents64(4, [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5720] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5719] close(9) = -1 EBADF (Bad file descriptor) [pid 5719] close(10) = -1 EBADF (Bad file descriptor) [pid 5719] close(11 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5081] lstat("./27/cgroup.net", [pid 5719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5719] close(12) = -1 EBADF (Bad file descriptor) [pid 5719] close(13 [pid 5715] close(25 [pid 5083] close(4 [pid 5720] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5719] close(14) = -1 EBADF (Bad file descriptor) [pid 5719] close(15) = -1 EBADF (Bad file descriptor) [pid 5719] close(16) = -1 EBADF (Bad file descriptor) [pid 5719] close(17) = -1 EBADF (Bad file descriptor) [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5720] <... futex resumed>) = 1 [pid 5719] close(18 [pid 5717] <... futex resumed>) = 0 [pid 5715] close(26 [pid 5083] <... close resumed>) = 0 [pid 5081] unlink("./27/cgroup.net" [pid 5719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5719] close(19) = -1 EBADF (Bad file descriptor) [pid 5719] close(20) = -1 EBADF (Bad file descriptor) [pid 5719] close(21) = -1 EBADF (Bad file descriptor) [pid 5719] close(22) = -1 EBADF (Bad file descriptor) [pid 5720] unlink(NULL [pid 5719] close(23 [pid 5717] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] rmdir("./26/file0" [pid 5719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... futex resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5720] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5715] close(27 [pid 5720] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] close(24 [pid 5717] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... rmdir resumed>) = 0 [pid 5081] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5720] <... futex resumed>) = 0 [pid 5719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5715] close(28 [pid 5083] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5720] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5719] close(25 [pid 5717] close(3 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... close resumed>) = 0 [pid 5715] close(29 [pid 5083] lstat("./26/cgroup.cpu", [pid 5719] close(26 [pid 5717] close(4 [pid 5715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5715] exit_group(0 [pid 5083] unlink("./26/cgroup.cpu" [pid 5729] <... futex resumed>) = ? [pid 5719] close(27 [pid 5717] close(5 [pid 5716] <... futex resumed>) = ? [pid 5715] <... exit_group resumed>) = ? [pid 5083] <... unlink resumed>) = 0 [pid 5729] +++ exited with 0 +++ [pid 5719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5716] +++ exited with 0 +++ [pid 5719] close(28) = -1 EBADF (Bad file descriptor) [pid 5717] close(6 [pid 5715] +++ exited with 0 +++ [pid 5083] getdents64(3, [pid 5719] close(29 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5725] <... mount resumed>) = 0 [pid 5724] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5719] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(7 [pid 5083] close(3 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5725] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] exit_group(0 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = 0 [pid 5082] restart_syscall(<... resuming interrupted clone ...> [pid 5725] <... futex resumed>) = 0 [pid 5724] <... futex resumed>) = 0 [pid 5722] <... futex resumed>) = ? [pid 5719] <... exit_group resumed>) = ? [pid 5717] close(8 [pid 5083] rmdir("./26" [pid 5082] <... restart_syscall resumed>) = 0 [ 108.118191][ T5720] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 108.134602][ T5725] overlayfs: upper fs needs to support d_type. [ 108.147019][ T5725] overlayfs: upper fs does not support tmpfile. [ 108.154755][ T5725] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5725] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5724] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5722] +++ exited with 0 +++ [pid 5719] +++ exited with 0 +++ [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... rmdir resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5724] <... mmap resumed>) = 0x7f87c04cf000 [pid 5717] close(9 [pid 5083] mkdir("./27", 0777 [pid 5082] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5724] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... mkdir resumed>) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=19 /* 0.19 s */} --- [pid 5724] <... mprotect resumed>) = 0 [pid 5717] close(10 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5082] fstat(3, [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5724] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... openat resumed>) = 3 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5732 attached [pid 5717] close(11 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5082] getdents64(3, [pid 5732] set_robust_list(0x7f87c04ef9e0, 24 [pid 5724] <... clone resumed>, parent_tid=[76], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 76 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5732] <... set_robust_list resumed>) = 0 [pid 5082] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5732] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] unlink("./27/binderfs") = 0 [pid 5082] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5724] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] close(12 [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5732] <... futex resumed>) = 0 [pid 5724] <... futex resumed>) = 1 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(3 [pid 5082] lstat("./27/cgroup", [pid 5080] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5732] mkdir(".", 0777 [pid 5724] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5717] close(13 [pid 5083] <... close resumed>) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5732] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] unlink("./27/cgroup" [pid 5080] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5732] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5717] close(14 [pid 5082] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5733 attached [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... umount2 resumed>) = 0 [pid 5080] <... openat resumed>) = 3 [pid 5733] set_robust_list(0x5555565af5e0, 24 [pid 5717] close(15 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 79 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] fstat(3, [pid 5733] <... set_robust_list resumed>) = 0 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./27/cgroup.net", [pid 5733] chdir("./27" [pid 5717] close(16 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5733] <... chdir resumed>) = 0 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./27/cgroup.net" [pid 5081] lstat("./27/file0", [pid 5080] getdents64(3, [pid 5733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5717] close(17 [pid 5082] <... unlink resumed>) = 0 [pid 5733] <... prctl resumed>) = 0 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5733] setpgid(0, 0 [pid 5717] close(18) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5733] <... setpgid resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5733] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5732] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5717] close(19 [pid 5081] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5732] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./28/binderfs", [pid 5733] <... symlink resumed>) = 0 [pid 5717] close(20 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5732] <... futex resumed>) = 1 [pid 5724] <... futex resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5733] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5732] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5724] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] unlink("./28/binderfs" [pid 5733] <... symlink resumed>) = 0 [pid 5725] <... futex resumed>) = 0 [pid 5724] <... futex resumed>) = 1 [pid 5717] close(21 [pid 5733] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5725] unlink(NULL [pid 5724] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... openat resumed>) = 4 [pid 5080] <... unlink resumed>) = 0 [pid 5733] <... symlink resumed>) = 0 [pid 5725] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5717] close(22 [pid 5080] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5725] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] fstat(4, [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5725] <... futex resumed>) = 1 [pid 5724] <... futex resumed>) = 0 [pid 5717] close(23 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] lstat("./28/cgroup", [pid 5733] <... openat resumed>) = 3 [pid 5725] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5733] write(3, "1000", 4 [pid 5724] close(3 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(4, [pid 5080] unlink("./28/cgroup" [pid 5724] <... close resumed>) = 0 [pid 5717] close(24 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5724] close(4 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(4, [pid 5733] <... write resumed>) = 4 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(25 [pid 5733] close(3 [pid 5724] close(5 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5733] <... close resumed>) = 0 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(26 [pid 5733] read(200, [pid 5724] close(6 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(4 [pid 5080] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5733] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(27 [pid 5081] <... close resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5733] symlink("/dev/binderfs", "./binderfs" [pid 5724] close(7 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] rmdir("./27/file0" [ 108.237729][ T5732] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5080] lstat("./28/cgroup.net", [pid 5733] <... symlink resumed>) = 0 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(28 [pid 5081] <... rmdir resumed>) = 0 [pid 5733] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] close(8 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5733] <... futex resumed>) = 0 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] close(29 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] unlink("./28/cgroup.net" [pid 5733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5724] close(9 [pid 5717] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./27/cgroup.cpu", [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5717] exit_group(0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5733] <... mmap resumed>) = 0x7f87c84f0000 [pid 5724] close(10 [pid 5720] <... futex resumed>) = ? [pid 5717] <... exit_group resumed>) = ? [pid 5081] unlink("./27/cgroup.cpu" [pid 5733] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5720] +++ exited with 0 +++ [pid 5717] +++ exited with 0 +++ [pid 5081] <... unlink resumed>) = 0 [pid 5080] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5733] <... mprotect resumed>) = 0 [pid 5724] close(11 [pid 5081] getdents64(3, [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5733] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5734 attached [pid 5724] close(12 [pid 5081] close(3 [pid 5734] set_robust_list(0x7f87c85109e0, 24 [pid 5733] <... clone resumed>, parent_tid=[80], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 80 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 5079] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5734] <... set_robust_list resumed>) = 0 [pid 5733] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5724] close(13 [pid 5081] rmdir("./27" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5734] memfd_create("syzkaller", 0 [pid 5733] <... futex resumed>) = 0 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... rmdir resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5734] <... memfd_create resumed>) = 3 [pid 5733] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5724] close(14 [pid 5081] mkdir("./28", 0777 [pid 5079] <... openat resumed>) = 3 [pid 5734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... mkdir resumed>) = 0 [pid 5079] fstat(3, [pid 5734] <... mmap resumed>) = 0x7f87c00f0000 [pid 5724] close(15 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... openat resumed>) = 3 [pid 5079] getdents64(3, [pid 5724] close(16 [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5724] close(17 [pid 5081] close(3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 5079] lstat("./27/binderfs", [pid 5724] close(18 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5735 attached [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./27/binderfs" [pid 5735] set_robust_list(0x5555565af5e0, 24 [pid 5724] close(19 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 83 [pid 5079] <... unlink resumed>) = 0 [pid 5735] <... set_robust_list resumed>) = 0 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5735] chdir("./28" [pid 5724] close(20 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5735] <... chdir resumed>) = 0 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./27/cgroup", [pid 5735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5724] close(21 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5735] <... prctl resumed>) = 0 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./27/cgroup" [pid 5735] setpgid(0, 0 [pid 5724] close(22 [pid 5079] <... unlink resumed>) = 0 [pid 5735] <... setpgid resumed>) = 0 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5735] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5724] close(23 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5735] <... symlink resumed>) = 0 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./27/cgroup.net", [pid 5735] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5724] close(24 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5735] <... symlink resumed>) = 0 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./27/cgroup.net" [pid 5735] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5724] close(25 [pid 5079] <... unlink resumed>) = 0 [pid 5735] <... symlink resumed>) = 0 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5724] close(26 [pid 5735] <... openat resumed>) = 3 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] write(3, "1000", 4 [pid 5724] close(27 [pid 5735] <... write resumed>) = 4 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(3 [pid 5724] close(28 [pid 5735] <... close resumed>) = 0 [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] read(200, [pid 5724] close(29 [pid 5735] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] symlink("/dev/binderfs", "./binderfs" [pid 5724] exit_group(0 [pid 5735] <... symlink resumed>) = 0 [pid 5732] <... futex resumed>) = ? [pid 5725] <... futex resumed>) = ? [pid 5724] <... exit_group resumed>) = ? [pid 5735] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] +++ exited with 0 +++ [pid 5725] +++ exited with 0 +++ [pid 5724] +++ exited with 0 +++ [pid 5082] <... umount2 resumed>) = 0 [pid 5735] <... futex resumed>) = 0 [pid 5082] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5735] <... mmap resumed>) = 0x7f87c84f0000 [pid 5082] lstat("./27/file0", [pid 5078] <... restart_syscall resumed>) = 0 [pid 5735] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5734] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5078] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... umount2 resumed>) = 0 [pid 5078] fstat(3, [pid 5735] <... mprotect resumed>) = 0 [pid 5082] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5735] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] getdents64(3, ./strace-static-x86_64: Process 5736 attached [pid 5082] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5736] set_robust_list(0x7f87c85109e0, 24 [pid 5735] <... clone resumed>, parent_tid=[84], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 84 [pid 5082] <... openat resumed>) = 4 [pid 5080] lstat("./28/file0", [pid 5078] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5736] <... set_robust_list resumed>) = 0 [pid 5735] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] fstat(4, [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5736] memfd_create("syzkaller", 0 [pid 5735] <... futex resumed>) = 0 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./26/binderfs", [pid 5736] <... memfd_create resumed>) = 3 [pid 5735] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] getdents64(4, [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5736] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] unlink("./26/binderfs" [pid 5736] <... mmap resumed>) = 0x7f87c00f0000 [pid 5082] getdents64(4, [pid 5080] <... openat resumed>) = 4 [pid 5078] <... unlink resumed>) = 0 [pid 5078] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] fstat(4, [pid 5078] lstat("./26/cgroup", [pid 5082] close(4 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] <... close resumed>) = 0 [pid 5080] getdents64(4, [pid 5078] unlink("./26/cgroup" [pid 5082] rmdir("./27/file0" [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] <... unlink resumed>) = 0 [pid 5078] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... rmdir resumed>) = 0 [pid 5080] getdents64(4, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] lstat("./26/cgroup.net", [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] close(4 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] lstat("./27/cgroup.cpu", [pid 5080] <... close resumed>) = 0 [pid 5078] unlink("./26/cgroup.net" [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] rmdir("./28/file0" [pid 5078] <... unlink resumed>) = 0 [pid 5082] unlink("./27/cgroup.cpu" [pid 5078] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... unlink resumed>) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 5080] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] getdents64(3, [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] lstat("./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] close(3) = 0 [pid 5080] unlink("./28/cgroup.cpu" [pid 5082] rmdir("./27" [pid 5080] <... unlink resumed>) = 0 [pid 5082] <... rmdir resumed>) = 0 [pid 5080] getdents64(3, [pid 5082] mkdir("./28", 0777 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] <... mkdir resumed>) = 0 [pid 5080] close(3 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5080] <... close resumed>) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5080] rmdir("./28") = 0 [pid 5082] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5080] mkdir("./29", 0777 [pid 5082] close(3) = 0 [pid 5080] <... mkdir resumed>) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5737 attached [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5737] set_robust_list(0x5555565af5e0, 24 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 81 [pid 5080] <... openat resumed>) = 3 [pid 5737] <... set_robust_list resumed>) = 0 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5737] chdir("./28" [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5737] <... chdir resumed>) = 0 [pid 5080] close(3 [pid 5737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5080] <... close resumed>) = 0 [pid 5737] setpgid(0, 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5737] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5738 attached [pid 5738] set_robust_list(0x5555565af5e0, 24 [pid 5737] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5738] <... set_robust_list resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 78 [pid 5738] chdir("./29" [pid 5737] <... symlink resumed>) = 0 [pid 5738] <... chdir resumed>) = 0 [pid 5737] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5737] <... symlink resumed>) = 0 [pid 5738] setpgid(0, 0) = 0 [pid 5737] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5738] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5737] <... symlink resumed>) = 0 [pid 5738] <... symlink resumed>) = 0 [pid 5737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... umount2 resumed>) = 0 [pid 5738] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5737] <... openat resumed>) = 3 [pid 5738] <... symlink resumed>) = 0 [pid 5737] write(3, "1000", 4 [pid 5738] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5737] <... write resumed>) = 4 [pid 5738] <... symlink resumed>) = 0 [pid 5737] close(3 [pid 5738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5737] <... close resumed>) = 0 [pid 5738] write(3, "1000", 4 [pid 5737] read(200, [pid 5738] <... write resumed>) = 4 [pid 5738] close(3 [pid 5737] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5738] <... close resumed>) = 0 [pid 5737] symlink("/dev/binderfs", "./binderfs" [pid 5738] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5737] <... symlink resumed>) = 0 [pid 5738] symlink("/dev/binderfs", "./binderfs" [pid 5737] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] <... symlink resumed>) = 0 [pid 5737] <... futex resumed>) = 0 [pid 5738] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5738] <... futex resumed>) = 0 [pid 5738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5737] <... mmap resumed>) = 0x7f87c84f0000 [pid 5738] <... mmap resumed>) = 0x7f87c84f0000 [pid 5737] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5079] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5738] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5737] <... mprotect resumed>) = 0 [pid 5738] <... mprotect resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5738] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5737] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5740 attached ./strace-static-x86_64: Process 5739 attached [pid 5079] lstat("./27/file0", [pid 5740] set_robust_list(0x7f87c85109e0, 24 [pid 5739] set_robust_list(0x7f87c85109e0, 24 [pid 5738] <... clone resumed>, parent_tid=[79], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 79 [pid 5737] <... clone resumed>, parent_tid=[82], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 82 [pid 5740] <... set_robust_list resumed>) = 0 [pid 5739] <... set_robust_list resumed>) = 0 [pid 5738] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5740] memfd_create("syzkaller", 0 [pid 5739] memfd_create("syzkaller", 0 [pid 5738] <... futex resumed>) = 0 [pid 5737] <... futex resumed>) = 0 [pid 5079] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5740] <... memfd_create resumed>) = 3 [pid 5739] <... memfd_create resumed>) = 3 [pid 5738] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5737] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5740] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5739] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5740] <... mmap resumed>) = 0x7f87c00f0000 [pid 5739] <... mmap resumed>) = 0x7f87c00f0000 [pid 5079] <... openat resumed>) = 4 [pid 5736] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] close(4) = 0 [pid 5079] rmdir("./27/file0") = 0 [pid 5079] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./27/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./27/cgroup.cpu") = 0 [pid 5079] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] close(3 [pid 5078] <... umount2 resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5079] rmdir("./27" [pid 5078] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5734] <... write resumed>) = 4194304 [pid 5079] <... rmdir resumed>) = 0 [pid 5734] munmap(0x7f87c00f0000, 4194304 [pid 5079] mkdir("./28", 0777 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5734] <... munmap resumed>) = 0 [pid 5079] <... mkdir resumed>) = 0 [pid 5734] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5078] lstat("./26/file0", [pid 5734] <... openat resumed>) = 4 [pid 5079] <... openat resumed>) = 3 [pid 5734] ioctl(4, LOOP_SET_FD, 3 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] close(3) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565af5d0) = 78 ./strace-static-x86_64: Process 5741 attached [pid 5078] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5741] set_robust_list(0x5555565af5e0, 24 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5741] <... set_robust_list resumed>) = 0 [pid 5734] <... ioctl resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5741] chdir("./28" [pid 5734] close(3 [pid 5741] <... chdir resumed>) = 0 [pid 5734] <... close resumed>) = 0 [pid 5078] <... openat resumed>) = 4 [pid 5741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5734] mkdir("./file0", 0777 [pid 5078] fstat(4, [pid 5741] <... prctl resumed>) = 0 [pid 5734] <... mkdir resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5741] setpgid(0, 0 [pid 5734] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5078] getdents64(4, [pid 5741] <... setpgid resumed>) = 0 [pid 5736] <... write resumed>) = 4194304 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5741] symlink("/syzcgroup/unified/syz1", "./cgroup" [ 108.660805][ T5734] loop2: detected capacity change from 0 to 8192 [pid 5078] getdents64(4, [pid 5739] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5741] <... symlink resumed>) = 0 [pid 5078] close(4 [pid 5736] munmap(0x7f87c00f0000, 4194304 [pid 5078] <... close resumed>) = 0 [pid 5741] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5078] rmdir("./26/file0") = 0 [pid 5741] <... symlink resumed>) = 0 [pid 5078] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5741] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5741] <... symlink resumed>) = 0 [pid 5078] lstat("./26/cgroup.cpu", [pid 5741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5741] <... openat resumed>) = 3 [pid 5078] unlink("./26/cgroup.cpu" [pid 5741] write(3, "1000", 4 [pid 5078] <... unlink resumed>) = 0 [pid 5736] <... munmap resumed>) = 0 [pid 5078] getdents64(3, [pid 5741] <... write resumed>) = 4 [pid 5736] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] close(3 [pid 5741] close(3 [pid 5078] <... close resumed>) = 0 [pid 5741] <... close resumed>) = 0 [pid 5078] rmdir("./26") = 0 [pid 5741] read(200, [pid 5736] <... openat resumed>) = 4 [pid 5741] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] mkdir("./27", 0777 [pid 5741] symlink("/dev/binderfs", "./binderfs" [pid 5740] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5736] ioctl(4, LOOP_SET_FD, 3 [pid 5078] <... mkdir resumed>) = 0 [pid 5741] <... symlink resumed>) = 0 [pid 5741] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5741] <... futex resumed>) = 0 [pid 5741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] <... openat resumed>) = 3 [pid 5741] <... mmap resumed>) = 0x7f87c84f0000 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5741] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5741] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5078] close(3./strace-static-x86_64: Process 5743 attached [pid 5743] set_robust_list(0x7f87c85109e0, 24 [pid 5078] <... close resumed>) = 0 [pid 5743] <... set_robust_list resumed>) = 0 [pid 5743] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] <... clone resumed>, parent_tid=[79], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 79 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5741] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5744 attached [pid 5741] <... futex resumed>) = 1 [ 108.702138][ T5734] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 108.730265][ T5734] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 108.743603][ T5736] loop3: detected capacity change from 0 to 8192 [pid 5736] close(3 [pid 5744] set_robust_list(0x5555565af5e0, 24 [pid 5743] <... futex resumed>) = 0 [pid 5741] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5736] <... close resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 77 [pid 5743] memfd_create("syzkaller", 0) = 3 [pid 5743] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5744] <... set_robust_list resumed>) = 0 [pid 5744] chdir("./27" [pid 5736] mkdir("./file0", 0777 [pid 5744] <... chdir resumed>) = 0 [pid 5744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5736] <... mkdir resumed>) = 0 [pid 5744] <... prctl resumed>) = 0 [pid 5736] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5744] setpgid(0, 0) = 0 [pid 5744] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5744] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5744] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5744] write(3, "1000", 4) = 4 [pid 5744] close(3) = 0 [pid 5744] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5744] symlink("/dev/binderfs", "./binderfs") = 0 [ 108.774921][ T5734] REISERFS (device loop2): using ordered data mode [ 108.797704][ T5736] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 108.814119][ T5734] reiserfs: using flush barriers [pid 5744] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5740] <... write resumed>) = 4194304 [pid 5739] <... write resumed>) = 4194304 [pid 5744] <... mmap resumed>) = 0x7f87c84f0000 [pid 5740] munmap(0x7f87c00f0000, 4194304 [pid 5744] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [ 108.826674][ T5734] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 108.847425][ T5734] REISERFS (device loop2): checking transaction log (loop2) [ 108.855478][ T5736] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 5739] munmap(0x7f87c00f0000, 4194304 [pid 5744] <... mprotect resumed>) = 0 [pid 5740] <... munmap resumed>) = 0 [pid 5739] <... munmap resumed>) = 0 [pid 5740] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5739] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5740] ioctl(4, LOOP_SET_FD, 3 [pid 5739] <... openat resumed>) = 4 [pid 5744] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5743] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5740] <... ioctl resumed>) = 0 [pid 5739] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5746 attached [pid 5746] set_robust_list(0x7f87c85109e0, 24 [pid 5744] <... clone resumed>, parent_tid=[78], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 78 [pid 5746] <... set_robust_list resumed>) = 0 [pid 5744] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] memfd_create("syzkaller", 0 [pid 5744] <... futex resumed>) = 0 [pid 5746] <... memfd_create resumed>) = 3 [pid 5744] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 108.875602][ T5736] REISERFS (device loop3): using ordered data mode [ 108.883898][ T5734] REISERFS (device loop2): Using r5 hash to sort names [ 108.888572][ T5736] reiserfs: using flush barriers [ 108.891429][ T5734] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 108.902166][ T5740] loop5: detected capacity change from 0 to 8192 [pid 5746] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5740] close(3) = 0 [pid 5739] <... ioctl resumed>) = 0 [pid 5740] mkdir("./file0", 0777 [pid 5739] close(3 [pid 5740] <... mkdir resumed>) = 0 [pid 5739] <... close resumed>) = 0 [pid 5734] <... mount resumed>) = 0 [pid 5740] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5739] mkdir("./file0", 0777 [pid 5734] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5734] chdir("./file0") = 0 [pid 5739] <... mkdir resumed>) = 0 [pid 5734] ioctl(4, LOOP_CLR_FD [pid 5739] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5734] <... ioctl resumed>) = 0 [pid 5734] close(4) = 0 [pid 5734] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5733] <... futex resumed>) = 0 [pid 5734] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5733] <... futex resumed>) = 0 [pid 5734] mkdir("./file1", 000 [pid 5733] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5743] <... write resumed>) = 4194304 [pid 5734] <... mkdir resumed>) = 0 [pid 5734] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5733] <... futex resumed>) = 0 [pid 5734] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] munmap(0x7f87c00f0000, 4194304 [pid 5734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5733] <... futex resumed>) = 0 [pid 5734] mkdir("./bus", 000 [ 108.918817][ T5734] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 108.933507][ T5739] loop4: detected capacity change from 0 to 8192 [ 108.941646][ T5736] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5733] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5734] <... mkdir resumed>) = 0 [pid 5734] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5733] <... futex resumed>) = 0 [pid 5734] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5733] <... futex resumed>) = 0 [pid 5734] mkdir("./file0", 000 [pid 5733] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5734] <... mkdir resumed>) = 0 [pid 5734] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5733] <... futex resumed>) = 0 [pid 5734] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5733] <... futex resumed>) = 0 [pid 5734] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5733] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5743] <... munmap resumed>) = 0 [pid 5743] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5746] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5743] <... openat resumed>) = 4 [ 109.000720][ T5740] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 109.013930][ T5739] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 109.020861][ T5734] overlayfs: upper fs needs to support d_type. [ 109.039081][ T5740] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5743] ioctl(4, LOOP_SET_FD, 3 [pid 5734] <... mount resumed>) = 0 [pid 5734] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] <... futex resumed>) = 0 [pid 5733] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5733] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5734] <... futex resumed>) = 1 [pid 5734] mkdir(".", 0777) = -1 EEXIST (File exists) [ 109.040182][ T5734] overlayfs: upper fs does not support tmpfile. [ 109.056474][ T5743] loop1: detected capacity change from 0 to 8192 [ 109.058646][ T5734] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 109.063943][ T5736] REISERFS (device loop3): checking transaction log (loop3) [ 109.079239][ T5739] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5734] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5743] <... ioctl resumed>) = 0 [pid 5743] close(3) = 0 [pid 5743] mkdir("./file0", 0777 [pid 5734] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5743] <... mkdir resumed>) = 0 [pid 5743] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5734] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] <... futex resumed>) = 0 [pid 5733] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5733] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5734] <... futex resumed>) = 1 [pid 5734] unlink(NULL) = -1 EFAULT (Bad address) [pid 5734] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] <... futex resumed>) = 0 [pid 5733] close(3) = 0 [pid 5733] close(4) = -1 EBADF (Bad file descriptor) [pid 5733] close(5) = -1 EBADF (Bad file descriptor) [pid 5733] close(6) = -1 EBADF (Bad file descriptor) [pid 5733] close(7) = -1 EBADF (Bad file descriptor) [pid 5733] close(8) = -1 EBADF (Bad file descriptor) [pid 5733] close(9) = -1 EBADF (Bad file descriptor) [pid 5734] <... futex resumed>) = 1 [pid 5733] close(10 [pid 5734] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5733] close(11) = -1 EBADF (Bad file descriptor) [pid 5733] close(12) = -1 EBADF (Bad file descriptor) [pid 5733] close(13) = -1 EBADF (Bad file descriptor) [pid 5733] close(14) = -1 EBADF (Bad file descriptor) [pid 5733] close(15) = -1 EBADF (Bad file descriptor) [pid 5733] close(16) = -1 EBADF (Bad file descriptor) [pid 5733] close(17) = -1 EBADF (Bad file descriptor) [pid 5733] close(18) = -1 EBADF (Bad file descriptor) [pid 5733] close(19) = -1 EBADF (Bad file descriptor) [pid 5733] close(20) = -1 EBADF (Bad file descriptor) [pid 5733] close(21) = -1 EBADF (Bad file descriptor) [pid 5733] close(22) = -1 EBADF (Bad file descriptor) [pid 5733] close(23) = -1 EBADF (Bad file descriptor) [pid 5733] close(24) = -1 EBADF (Bad file descriptor) [pid 5733] close(25) = -1 EBADF (Bad file descriptor) [pid 5733] close(26) = -1 EBADF (Bad file descriptor) [pid 5733] close(27) = -1 EBADF (Bad file descriptor) [pid 5733] close(28) = -1 EBADF (Bad file descriptor) [pid 5733] close(29) = -1 EBADF (Bad file descriptor) [ 109.087392][ T5734] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 109.097141][ T5740] REISERFS (device loop5): using ordered data mode [ 109.117723][ T5739] REISERFS (device loop4): using ordered data mode [ 109.126746][ T5736] REISERFS (device loop3): Using r5 hash to sort names [pid 5733] exit_group(0 [pid 5734] <... futex resumed>) = ? [pid 5733] <... exit_group resumed>) = ? [pid 5734] +++ exited with 0 +++ [pid 5733] +++ exited with 0 +++ [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=24 /* 0.24 s */} --- [pid 5083] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5083] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] unlink("./27/binderfs") = 0 [pid 5083] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./27/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./27/cgroup") = 0 [pid 5083] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./27/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./27/cgroup.net") = 0 [ 109.139761][ T5743] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 109.167940][ T5739] reiserfs: using flush barriers [ 109.173540][ T5736] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 109.186989][ T5743] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 5083] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5746] <... write resumed>) = 4194304 [ 109.191289][ T5739] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 109.197610][ T5740] reiserfs: using flush barriers [ 109.223465][ T5743] REISERFS (device loop1): using ordered data mode [ 109.231346][ T5743] reiserfs: using flush barriers [pid 5746] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5746] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 109.241084][ T5743] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 109.249467][ T5736] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 109.258845][ T5739] REISERFS (device loop4): checking transaction log (loop4) [ 109.277791][ T5746] loop0: detected capacity change from 0 to 8192 [ 109.279359][ T5743] REISERFS (device loop1): checking transaction log (loop1) [pid 5746] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5736] <... mount resumed>) = 0 [pid 5083] <... umount2 resumed>) = 0 [pid 5746] close(3 [pid 5736] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5746] <... close resumed>) = 0 [pid 5746] mkdir("./file0", 0777 [pid 5736] <... openat resumed>) = 3 [pid 5746] <... mkdir resumed>) = 0 [pid 5736] chdir("./file0" [ 109.292239][ T5740] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 109.306719][ T5743] REISERFS (device loop1): Using r5 hash to sort names [ 109.316656][ T5743] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 109.327559][ T5740] REISERFS (device loop5): checking transaction log (loop5) [ 109.338781][ T5740] REISERFS (device loop5): Using r5 hash to sort names [pid 5083] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5736] <... chdir resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5746] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5736] ioctl(4, LOOP_CLR_FD [pid 5083] lstat("./27/file0", [pid 5736] <... ioctl resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5736] close(4 [pid 5083] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5736] <... close resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5736] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5736] <... futex resumed>) = 1 [pid 5735] <... futex resumed>) = 0 [pid 5083] <... openat resumed>) = 4 [pid 5083] fstat(4, [pid 5736] mkdir("./file1", 000 [pid 5735] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5736] <... mkdir resumed>) = 0 [pid 5083] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5736] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... futex resumed>) = 0 [pid 5083] getdents64(4, [pid 5736] <... futex resumed>) = 0 [pid 5735] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5736] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] close(4 [pid 5735] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... close resumed>) = 0 [pid 5736] <... futex resumed>) = 0 [pid 5735] <... futex resumed>) = 1 [pid 5083] rmdir("./27/file0" [pid 5736] mkdir("./bus", 000 [pid 5735] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... rmdir resumed>) = 0 [pid 5736] <... mkdir resumed>) = 0 [pid 5083] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5736] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5736] <... futex resumed>) = 1 [pid 5735] <... futex resumed>) = 0 [pid 5083] lstat("./27/cgroup.cpu", [pid 5740] <... mount resumed>) = 0 [pid 5736] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5735] <... futex resumed>) = 0 [pid 5083] unlink("./27/cgroup.cpu" [pid 5736] mkdir("./file0", 000 [pid 5735] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... unlink resumed>) = 0 [pid 5736] <... mkdir resumed>) = 0 [pid 5083] getdents64(3, [pid 5736] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5736] <... futex resumed>) = 1 [pid 5735] <... futex resumed>) = 0 [pid 5083] close(3 [pid 5736] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... close resumed>) = 0 [ 109.340465][ T5739] REISERFS (device loop4): Using r5 hash to sort names [ 109.346332][ T5740] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 109.367038][ T5740] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 109.377924][ T5743] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5743] <... mount resumed>) = 0 [pid 5740] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5735] <... futex resumed>) = 0 [pid 5083] rmdir("./27" [pid 5736] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5735] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... rmdir resumed>) = 0 [pid 5083] mkdir("./28", 0777) = 0 [pid 5743] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5740] <... openat resumed>) = 3 [pid 5739] <... mount resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5083] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 109.390373][ T5739] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 109.392425][ T5746] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 109.405226][ T5739] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 109.430141][ T5736] overlayfs: upper fs needs to support d_type. [ 109.436495][ T5736] overlayfs: upper fs does not support tmpfile. [pid 5083] close(3 [pid 5743] <... openat resumed>) = 3 [pid 5740] chdir("./file0" [pid 5083] <... close resumed>) = 0 [pid 5743] chdir("./file0" [pid 5740] <... chdir resumed>) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5743] <... chdir resumed>) = 0 [pid 5740] ioctl(4, LOOP_CLR_FD [pid 5739] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 81 ./strace-static-x86_64: Process 5751 attached [pid 5739] <... openat resumed>) = 3 [pid 5743] ioctl(4, LOOP_CLR_FD [pid 5740] <... ioctl resumed>) = 0 [pid 5743] <... ioctl resumed>) = 0 [pid 5751] set_robust_list(0x5555565af5e0, 24 [pid 5743] close(4 [pid 5740] close(4 [pid 5739] chdir("./file0" [pid 5751] <... set_robust_list resumed>) = 0 [pid 5743] <... close resumed>) = 0 [pid 5740] <... close resumed>) = 0 [pid 5739] <... chdir resumed>) = 0 [pid 5751] chdir("./28" [pid 5743] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] ioctl(4, LOOP_CLR_FD [pid 5751] <... chdir resumed>) = 0 [pid 5743] <... futex resumed>) = 1 [pid 5741] <... futex resumed>) = 0 [pid 5740] <... futex resumed>) = 1 [pid 5737] <... futex resumed>) = 0 [pid 5751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5743] mkdir("./file1", 000 [pid 5741] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5739] <... ioctl resumed>) = 0 [pid 5737] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] <... prctl resumed>) = 0 [pid 5741] <... futex resumed>) = 0 [pid 5751] setpgid(0, 0 [pid 5743] <... mkdir resumed>) = 0 [pid 5741] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5737] <... futex resumed>) = 0 [pid 5751] <... setpgid resumed>) = 0 [pid 5743] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5740] mkdir("./file1", 000 [pid 5739] close(4 [pid 5737] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5751] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5743] <... futex resumed>) = 0 [pid 5741] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] <... mkdir resumed>) = 0 [pid 5739] <... close resumed>) = 0 [pid 5735] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5743] mkdir("./bus", 000 [pid 5741] <... futex resumed>) = 0 [pid 5735] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] <... mkdir resumed>) = 0 [pid 5741] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5739] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... futex resumed>) = 0 [pid 5751] <... symlink resumed>) = 0 [pid 5743] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] <... futex resumed>) = 1 [pid 5739] <... futex resumed>) = 1 [pid 5738] <... futex resumed>) = 0 [pid 5737] <... futex resumed>) = 0 [pid 5735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5751] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5743] <... futex resumed>) = 1 [pid 5741] <... futex resumed>) = 0 [pid 5740] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5739] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5738] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... mmap resumed>) = 0x7f87c04cf000 [pid 5751] <... symlink resumed>) = 0 [ 109.442947][ T5746] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 109.455901][ T5746] REISERFS (device loop0): using ordered data mode [ 109.464701][ T5746] reiserfs: using flush barriers [ 109.476965][ T5736] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5743] mkdir("./file0", 000 [pid 5741] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5738] <... futex resumed>) = 0 [pid 5737] <... futex resumed>) = 0 [pid 5735] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5738] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5736] <... mount resumed>) = 0 [pid 5735] <... mprotect resumed>) = 0 [pid 5735] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5752 attached [pid 5752] set_robust_list(0x7f87c04ef9e0, 24 [pid 5735] <... clone resumed>, parent_tid=[85], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 85 [pid 5752] <... set_robust_list resumed>) = 0 [pid 5735] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] mkdir(".", 0777 [pid 5735] <... futex resumed>) = 0 [pid 5752] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5735] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5752] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5751] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5743] <... mkdir resumed>) = 0 [pid 5741] <... futex resumed>) = 0 [pid 5740] mkdir("./bus", 000 [pid 5739] mkdir("./file1", 000 [pid 5737] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 109.502984][ T5746] 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 [ 109.521866][ T5746] REISERFS (device loop0): checking transaction log (loop0) [ 109.534626][ T5752] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5736] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] <... symlink resumed>) = 0 [pid 5743] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5740] <... mkdir resumed>) = 0 [pid 5739] <... mkdir resumed>) = 0 [pid 5736] <... futex resumed>) = 0 [pid 5751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5743] <... futex resumed>) = 0 [pid 5741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5740] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5736] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] <... openat resumed>) = 3 [pid 5743] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] <... futex resumed>) = 1 [pid 5739] <... futex resumed>) = 1 [pid 5737] <... futex resumed>) = 0 [pid 5751] write(3, "1000", 4 [pid 5743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5741] <... futex resumed>) = 0 [pid 5740] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5739] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] <... write resumed>) = 4 [pid 5743] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5741] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5737] <... futex resumed>) = 0 [pid 5751] close(3 [pid 5740] mkdir("./file0", 000 [pid 5737] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5751] <... close resumed>) = 0 [pid 5740] <... mkdir resumed>) = 0 [pid 5738] <... futex resumed>) = 0 [pid 5751] read(200, [pid 5740] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5740] <... futex resumed>) = 1 [pid 5737] <... futex resumed>) = 0 [pid 5751] symlink("/dev/binderfs", "./binderfs" [pid 5740] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] <... symlink resumed>) = 0 [pid 5740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5737] <... futex resumed>) = 0 [pid 5751] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5740] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5737] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5751] <... futex resumed>) = 0 [pid 5738] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5739] <... futex resumed>) = 0 [pid 5738] <... futex resumed>) = 1 [pid 5751] <... mmap resumed>) = 0x7f87c84f0000 [pid 5739] mkdir("./bus", 000 [pid 5738] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5751] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5739] <... mkdir resumed>) = 0 [pid 5751] <... mprotect resumed>) = 0 [pid 5739] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5739] <... futex resumed>) = 1 [pid 5738] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5753 attached [pid 5739] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5738] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] set_robust_list(0x7f87c85109e0, 24 [pid 5751] <... clone resumed>, parent_tid=[82], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 82 [pid 5739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5738] <... futex resumed>) = 0 [pid 5753] <... set_robust_list resumed>) = 0 [pid 5751] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] mkdir("./file0", 000 [pid 5738] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5753] memfd_create("syzkaller", 0 [pid 5751] <... futex resumed>) = 0 [pid 5739] <... mkdir resumed>) = 0 [pid 5753] <... memfd_create resumed>) = 3 [pid 5751] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5739] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5739] <... futex resumed>) = 1 [pid 5738] <... futex resumed>) = 0 [pid 5753] <... mmap resumed>) = 0x7f87c00f0000 [pid 5739] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5738] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 109.549451][ T5746] REISERFS (device loop0): Using r5 hash to sort names [ 109.564190][ T5743] overlayfs: upper fs needs to support d_type. [ 109.568527][ T5740] overlayfs: upper fs needs to support d_type. [pid 5738] <... futex resumed>) = 0 [pid 5739] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5741] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5738] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5741] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5741] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5741] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5754 attached [pid 5754] set_robust_list(0x7f87c04ef9e0, 24 [pid 5741] <... clone resumed>, parent_tid=[80], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 80 [pid 5754] <... set_robust_list resumed>) = 0 [pid 5741] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] mkdir(".", 0777 [pid 5741] <... futex resumed>) = 0 [pid 5754] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5741] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 109.598805][ T5740] overlayfs: upper fs does not support tmpfile. [ 109.613381][ T5743] overlayfs: upper fs does not support tmpfile. [ 109.621259][ T5739] overlayfs: upper fs needs to support d_type. [pid 5754] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5752] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5737] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5737] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5737] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5737] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[83], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 83 [pid 5737] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5737] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5755 attached [pid 5755] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 5755] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5755] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5752] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5752] <... futex resumed>) = 1 [pid 5738] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... futex resumed>) = 0 [pid 5752] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5738] <... futex resumed>) = 0 [pid 5735] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5736] <... futex resumed>) = 0 [pid 5735] <... futex resumed>) = 1 [pid 5736] unlink(NULL) = -1 EFAULT (Bad address) [pid 5736] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5736] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5738] <... mmap resumed>) = 0x7f87c04cf000 [pid 5735] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5738] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5735] close(3 [pid 5738] <... mprotect resumed>) = 0 [pid 5735] <... close resumed>) = 0 [pid 5738] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5735] close(4 [pid 5746] <... mount resumed>) = 0 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 109.638156][ T5746] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 109.642338][ T5754] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 109.655570][ T5746] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 109.667054][ T5739] overlayfs: upper fs does not support tmpfile. [ 109.675739][ T5740] overlayfs: upper fs does not support RENAME_WHITEOUT. ./strace-static-x86_64: Process 5756 attached [pid 5754] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5746] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5740] <... mount resumed>) = 0 [pid 5735] close(5 [pid 5756] set_robust_list(0x7f87c04ef9e0, 24 [pid 5754] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] <... openat resumed>) = 3 [pid 5740] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] <... clone resumed>, parent_tid=[80], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 80 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] <... set_robust_list resumed>) = 0 [pid 5746] chdir("./file0" [pid 5735] close(6 [pid 5756] mkdir(".", 0777 [pid 5746] <... chdir resumed>) = 0 [pid 5738] <... futex resumed>) = 0 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5756] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5746] ioctl(4, LOOP_CLR_FD [pid 5738] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5735] close(7 [pid 5740] <... futex resumed>) = 0 [pid 5756] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5754] <... futex resumed>) = 1 [pid 5746] <... ioctl resumed>) = 0 [pid 5741] <... futex resumed>) = 0 [pid 5740] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5746] close(4 [pid 5735] close(8) = -1 EBADF (Bad file descriptor) [pid 5746] <... close resumed>) = 0 [pid 5735] close(9 [pid 5746] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... futex resumed>) = 0 [pid 5746] <... futex resumed>) = 1 [pid 5744] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] mkdir("./file1", 000 [pid 5735] close(10 [pid 5744] <... futex resumed>) = 0 [pid 5744] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] <... mkdir resumed>) = 0 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5746] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 109.706174][ T5743] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 109.731382][ T5755] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5735] close(11 [pid 5754] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5746] <... futex resumed>) = 1 [pid 5744] <... futex resumed>) = 0 [pid 5741] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5744] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] mkdir("./bus", 000 [pid 5735] close(12 [pid 5753] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5756] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5746] <... mkdir resumed>) = 0 [pid 5741] <... futex resumed>) = 0 [pid 5735] close(13 [pid 5755] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5756] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] unlink(NULL [pid 5746] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5756] <... futex resumed>) = 1 [pid 5755] <... futex resumed>) = 1 [pid 5754] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5746] <... futex resumed>) = 1 [pid 5744] <... futex resumed>) = 0 [pid 5743] <... mount resumed>) = 0 [pid 5738] <... futex resumed>) = 0 [pid 5735] close(14 [pid 5756] unlink(NULL [pid 5755] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5754] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5743] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5756] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5754] <... futex resumed>) = 1 [pid 5743] <... futex resumed>) = 0 [pid 5741] <... futex resumed>) = 0 [pid 5738] <... futex resumed>) = 0 [pid 5735] close(15 [pid 5756] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5754] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5743] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] close(3 [pid 5738] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5756] <... futex resumed>) = 0 [pid 5741] <... close resumed>) = 0 [pid 5738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5735] close(16 [pid 5756] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] close(4 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(17 [pid 5741] close(5 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] close(6 [pid 5735] close(18 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] close(7 [pid 5744] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5739] <... mount resumed>) = 0 [pid 5737] <... futex resumed>) = 0 [pid 5735] close(19 [pid 5746] <... futex resumed>) = 0 [pid 5744] <... futex resumed>) = 1 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5739] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 109.734959][ T5756] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 109.767426][ T5739] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5746] mkdir("./file0", 000 [pid 5741] close(8 [pid 5735] close(20 [pid 5744] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5739] <... futex resumed>) = 0 [pid 5739] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5746] <... mkdir resumed>) = 0 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] close(9 [pid 5738] close(3 [pid 5735] close(21 [pid 5746] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5746] <... futex resumed>) = 1 [pid 5744] <... futex resumed>) = 0 [pid 5741] close(10 [pid 5738] <... close resumed>) = 0 [pid 5735] close(22 [pid 5746] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5744] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] close(4 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] <... futex resumed>) = 0 [pid 5741] close(11 [pid 5744] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(23 [pid 5741] close(12 [pid 5738] close(5 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(24 [pid 5741] close(13 [pid 5737] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] close(6 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] <... futex resumed>) = 1 [pid 5735] close(25 [pid 5740] <... futex resumed>) = 0 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5753] <... write resumed>) = 4194304 [pid 5753] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5753] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5753] ioctl(4, LOOP_SET_FD, 3 [pid 5741] close(14 [pid 5740] unlink(NULL [pid 5738] close(7 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] <... ioctl resumed>) = 0 [pid 5753] close(3) = 0 [pid 5753] mkdir("./file0", 0777) = 0 [pid 5753] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(26 [pid 5741] close(15 [pid 5740] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5738] close(8 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] close(27 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] <... futex resumed>) = 1 [pid 5738] close(9 [pid 5737] <... futex resumed>) = 0 [pid 5741] close(16 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5740] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] close(17 [pid 5738] close(10 [pid 5735] close(28 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] close(3 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] close(18 [pid 5738] close(11 [pid 5737] <... close resumed>) = 0 [pid 5735] close(29 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] close(4 [pid 5735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] close(19 [pid 5738] close(12 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5735] exit_group(0 [pid 5752] <... futex resumed>) = ? [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] close(5 [pid 5736] <... futex resumed>) = ? [pid 5735] <... exit_group resumed>) = ? [pid 5752] +++ exited with 0 +++ [pid 5741] close(20 [pid 5738] close(13 [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] close(6) = -1 EBADF (Bad file descriptor) [pid 5737] close(7) = -1 EBADF (Bad file descriptor) [pid 5737] close(8) = -1 EBADF (Bad file descriptor) [pid 5737] close(9) = -1 EBADF (Bad file descriptor) [pid 5737] close(10) = -1 EBADF (Bad file descriptor) [pid 5737] close(11) = -1 EBADF (Bad file descriptor) [pid 5737] close(12) = -1 EBADF (Bad file descriptor) [pid 5737] close(13) = -1 EBADF (Bad file descriptor) [pid 5737] close(14) = -1 EBADF (Bad file descriptor) [pid 5737] close(15) = -1 EBADF (Bad file descriptor) [pid 5737] close(16) = -1 EBADF (Bad file descriptor) [pid 5737] close(17) = -1 EBADF (Bad file descriptor) [pid 5737] close(18) = -1 EBADF (Bad file descriptor) [pid 5737] close(19) = -1 EBADF (Bad file descriptor) [pid 5746] <... mount resumed>) = 0 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] close(20 [pid 5736] +++ exited with 0 +++ [pid 5735] +++ exited with 0 +++ [ 109.826728][ T5746] overlayfs: upper fs needs to support d_type. [ 109.834356][ T5753] loop2: detected capacity change from 0 to 8192 [ 109.837233][ T5746] overlayfs: upper fs does not support tmpfile. [ 109.860353][ T5746] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5746] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] close(21 [pid 5738] close(14 [pid 5746] <... futex resumed>) = 1 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5746] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5741] close(22 [pid 5738] close(15 [pid 5744] <... futex resumed>) = 0 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5741] close(23 [pid 5738] close(16 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] close(24 [pid 5738] close(17 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] close(25 [pid 5738] close(18 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5744] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] close(26 [pid 5738] close(19 [pid 5737] close(21 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] close(27 [pid 5738] close(20 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] close(28 [pid 5738] close(21 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5741] close(29 [pid 5738] close(22 [pid 5746] <... futex resumed>) = 0 [pid 5744] <... futex resumed>) = 1 [pid 5741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5746] mkdir(".", 0777 [pid 5741] exit_group(0 [pid 5738] close(23 [pid 5754] <... futex resumed>) = ? [pid 5746] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5743] <... futex resumed>) = ? [pid 5741] <... exit_group resumed>) = ? [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5754] +++ exited with 0 +++ [pid 5746] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5744] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5743] +++ exited with 0 +++ [pid 5741] +++ exited with 0 +++ [pid 5738] close(24 [pid 5737] close(22 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5738] close(25 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5738] close(26 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5738] close(27 [pid 5079] <... openat resumed>) = 3 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] fstat(3, [pid 5738] close(28 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 5738] close(29 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5738] exit_group(0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 109.868339][ T5753] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 109.883299][ T5753] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 109.894070][ T5753] REISERFS (device loop2): using ordered data mode [ 109.903022][ T5753] reiserfs: using flush barriers [pid 5756] <... futex resumed>) = ? [pid 5738] <... exit_group resumed>) = ? [pid 5079] lstat("./28/binderfs", [pid 5756] +++ exited with 0 +++ [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5739] <... futex resumed>) = ? [pid 5737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./28/binderfs") = 0 [pid 5079] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5739] +++ exited with 0 +++ [pid 5738] +++ exited with 0 +++ [pid 5079] unlink("./28/cgroup" [pid 5737] close(23) = -1 EBADF (Bad file descriptor) [pid 5737] close(24) = -1 EBADF (Bad file descriptor) [pid 5737] close(25) = -1 EBADF (Bad file descriptor) [pid 5737] close(26) = -1 EBADF (Bad file descriptor) [pid 5737] close(27) = -1 EBADF (Bad file descriptor) [pid 5737] close(28) = -1 EBADF (Bad file descriptor) [pid 5737] close(29) = -1 EBADF (Bad file descriptor) [pid 5737] exit_group(0) = ? [pid 5079] <... unlink resumed>) = 0 [pid 5755] <... futex resumed>) = ? [pid 5740] <... futex resumed>) = ? [pid 5755] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} --- [pid 5740] +++ exited with 0 +++ [pid 5737] +++ exited with 0 +++ [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5746] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5081] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5746] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5746] <... futex resumed>) = 1 [pid 5081] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] lstat("./28/cgroup.net", [pid 5746] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] <... openat resumed>) = 3 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 109.910684][ T5753] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 109.930480][ T5753] REISERFS (device loop2): checking transaction log (loop2) [ 109.947496][ T5753] REISERFS (device loop2): Using r5 hash to sort names [ 109.949206][ T5746] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5082] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] fstat(3, [pid 5079] unlink("./28/cgroup.net" [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5082] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] getdents64(3, [pid 5079] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5744] <... futex resumed>) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5744] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] fstat(3, [pid 5081] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] getdents64(3, [pid 5081] lstat("./28/binderfs", [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] unlink("./28/binderfs" [pid 5753] <... mount resumed>) = 0 [pid 5746] <... futex resumed>) = 0 [pid 5744] <... futex resumed>) = 1 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5753] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5746] unlink(NULL [pid 5744] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] lstat("./28/binderfs", [pid 5081] <... unlink resumed>) = 0 [pid 5753] <... openat resumed>) = 3 [pid 5746] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5753] chdir("./file0" [pid 5746] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] unlink("./28/binderfs" [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5753] <... chdir resumed>) = 0 [pid 5746] <... futex resumed>) = 1 [pid 5744] <... futex resumed>) = 0 [pid 5080] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5753] ioctl(4, LOOP_CLR_FD [pid 5746] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5744] close(3 [pid 5082] <... unlink resumed>) = 0 [pid 5081] lstat("./28/cgroup", [pid 5080] <... openat resumed>) = 3 [pid 5753] <... ioctl resumed>) = 0 [pid 5744] <... close resumed>) = 0 [pid 5082] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] fstat(3, [pid 5753] close(4 [pid 5744] close(4 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] unlink("./28/cgroup" [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5753] <... close resumed>) = 0 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(3, [pid 5753] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] close(5 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5753] <... futex resumed>) = 1 [pid 5751] <... futex resumed>) = 0 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5753] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] close(6 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5751] <... futex resumed>) = 0 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./29/binderfs", [pid 5753] mkdir("./file1", 000 [pid 5751] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5744] close(7 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5753] <... mkdir resumed>) = 0 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./28/cgroup", [pid 5080] unlink("./29/binderfs" [pid 5753] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] close(8 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5753] <... futex resumed>) = 1 [pid 5751] <... futex resumed>) = 0 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./28/cgroup" [pid 5081] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5753] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] close(9 [pid 5082] <... unlink resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5751] <... futex resumed>) = 0 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./29/cgroup", [pid 5753] mkdir("./bus", 000 [pid 5751] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5744] close(10 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./28/cgroup.net", [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5753] <... mkdir resumed>) = 0 [ 109.955188][ T5753] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 109.982832][ T5753] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./28/cgroup.net", [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./29/cgroup" [pid 5753] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] close(11 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./28/cgroup.net" [pid 5080] <... unlink resumed>) = 0 [pid 5753] <... futex resumed>) = 1 [pid 5751] <... futex resumed>) = 0 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./28/cgroup.net" [pid 5080] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5753] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] close(12 [pid 5082] <... unlink resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5751] <... futex resumed>) = 0 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] lstat("./29/cgroup.net", [pid 5753] mkdir("./file0", 000 [pid 5751] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5744] close(13 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5753] <... mkdir resumed>) = 0 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./29/cgroup.net" [pid 5753] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] close(14 [pid 5080] <... unlink resumed>) = 0 [pid 5753] <... futex resumed>) = 1 [pid 5751] <... futex resumed>) = 0 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5753] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] close(15 [pid 5753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5751] <... futex resumed>) = 0 [pid 5744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5753] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5751] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5744] close(16) = -1 EBADF (Bad file descriptor) [pid 5744] close(17) = -1 EBADF (Bad file descriptor) [pid 5744] close(18) = -1 EBADF (Bad file descriptor) [pid 5744] close(19) = -1 EBADF (Bad file descriptor) [pid 5744] close(20) = -1 EBADF (Bad file descriptor) [pid 5744] close(21) = -1 EBADF (Bad file descriptor) [pid 5744] close(22) = -1 EBADF (Bad file descriptor) [pid 5744] close(23) = -1 EBADF (Bad file descriptor) [pid 5744] close(24) = -1 EBADF (Bad file descriptor) [pid 5744] close(25) = -1 EBADF (Bad file descriptor) [pid 5744] close(26) = -1 EBADF (Bad file descriptor) [pid 5744] close(27) = -1 EBADF (Bad file descriptor) [pid 5744] close(28) = -1 EBADF (Bad file descriptor) [pid 5744] close(29) = -1 EBADF (Bad file descriptor) [pid 5744] exit_group(0 [pid 5746] <... futex resumed>) = ? [pid 5744] <... exit_group resumed>) = ? [pid 5746] +++ exited with 0 +++ [pid 5744] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5078] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./27/binderfs") = 0 [pid 5078] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./27/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./27/cgroup") = 0 [pid 5078] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./27/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./27/cgroup.net") = 0 [ 110.023898][ T5753] overlayfs: upper fs needs to support d_type. [ 110.037706][ T5753] overlayfs: upper fs does not support tmpfile. [pid 5078] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5753] <... mount resumed>) = 0 [pid 5753] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] <... futex resumed>) = 0 [pid 5751] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5751] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5753] <... futex resumed>) = 1 [pid 5753] mkdir(".", 0777) = -1 EEXIST (File exists) [ 110.068955][ T5753] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5753] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5079] <... umount2 resumed>) = 0 [pid 5079] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./28/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] close(4) = 0 [pid 5079] rmdir("./28/file0") = 0 [pid 5079] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./28/cgroup.cpu") = 0 [pid 5079] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] close(3) = 0 [pid 5079] rmdir("./28") = 0 [pid 5079] mkdir("./29", 0777) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5079] close(3) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5753] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5753] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5751] <... futex resumed>) = 0 [pid 5753] unlink(NULL [pid 5751] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5751] <... futex resumed>) = 0 [pid 5753] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5753] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5753] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] close(3) = 0 [pid 5751] close(4) = -1 EBADF (Bad file descriptor) [pid 5751] close(5) = -1 EBADF (Bad file descriptor) [pid 5751] close(6) = -1 EBADF (Bad file descriptor) [pid 5751] close(7) = -1 EBADF (Bad file descriptor) [pid 5751] close(8) = -1 EBADF (Bad file descriptor) [pid 5751] close(9) = -1 EBADF (Bad file descriptor) [pid 5751] close(10) = -1 EBADF (Bad file descriptor) [pid 5751] close(11) = -1 EBADF (Bad file descriptor) [pid 5751] close(12) = -1 EBADF (Bad file descriptor) [pid 5751] close(13) = -1 EBADF (Bad file descriptor) [pid 5751] close(14) = -1 EBADF (Bad file descriptor) [pid 5751] close(15) = -1 EBADF (Bad file descriptor) [pid 5751] close(16) = -1 EBADF (Bad file descriptor) [pid 5751] close(17) = -1 EBADF (Bad file descriptor) [pid 5751] close(18) = -1 EBADF (Bad file descriptor) [pid 5751] close(19) = -1 EBADF (Bad file descriptor) [pid 5751] close(20./strace-static-x86_64: Process 5759 attached ) = -1 EBADF (Bad file descriptor) [pid 5751] close(21) = -1 EBADF (Bad file descriptor) [pid 5751] close(22) = -1 EBADF (Bad file descriptor) [pid 5751] close(23) = -1 EBADF (Bad file descriptor) [ 110.113018][ T5753] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5751] close(24 [pid 5759] set_robust_list(0x5555565af5e0, 24 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 81 [pid 5751] close(25) = -1 EBADF (Bad file descriptor) [pid 5751] close(26 [pid 5759] <... set_robust_list resumed>) = 0 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5751] close(27) = -1 EBADF (Bad file descriptor) [pid 5759] chdir("./29" [pid 5751] close(28 [pid 5081] <... umount2 resumed>) = 0 [pid 5759] <... chdir resumed>) = 0 [pid 5751] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5751] close(29) = -1 EBADF (Bad file descriptor) [pid 5751] exit_group(0 [pid 5753] <... futex resumed>) = ? [pid 5751] <... exit_group resumed>) = ? [pid 5759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5753] +++ exited with 0 +++ [pid 5751] +++ exited with 0 +++ [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5759] <... prctl resumed>) = 0 [pid 5083] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5759] setpgid(0, 0 [pid 5083] <... openat resumed>) = 3 [pid 5759] <... setpgid resumed>) = 0 [pid 5083] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5759] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5083] unlink("./28/binderfs") = 0 [pid 5083] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5759] <... symlink resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5759] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5083] unlink("./28/cgroup" [pid 5759] <... symlink resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5759] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5083] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./28/cgroup.net", [pid 5759] <... symlink resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] unlink("./28/cgroup.net" [pid 5759] <... openat resumed>) = 3 [pid 5083] <... unlink resumed>) = 0 [pid 5083] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5759] write(3, "1000", 4) = 4 [pid 5759] close(3) = 0 [pid 5759] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] <... umount2 resumed>) = 0 [pid 5759] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5759] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... umount2 resumed>) = 0 [pid 5081] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5759] <... futex resumed>) = 0 [pid 5759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5759] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5759] <... mprotect resumed>) = 0 [pid 5081] lstat("./28/file0", [pid 5759] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5761 attached [pid 5081] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5761] set_robust_list(0x7f87c85109e0, 24 [pid 5759] <... clone resumed>, parent_tid=[82], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 82 [pid 5761] <... set_robust_list resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5759] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5761] memfd_create("syzkaller", 0 [pid 5759] <... futex resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5761] <... memfd_create resumed>) = 3 [pid 5761] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5759] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... openat resumed>) = 4 [pid 5080] lstat("./29/file0", [pid 5761] <... mmap resumed>) = 0x7f87c00f0000 [pid 5081] fstat(4, [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5080] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] close(4) = 0 [pid 5080] rmdir("./29/file0") = 0 [pid 5080] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./29/cgroup.cpu", [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(4, [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./29/cgroup.cpu" [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] <... unlink resumed>) = 0 [pid 5080] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] close(3) = 0 [pid 5080] rmdir("./29" [pid 5081] getdents64(4, [pid 5080] <... rmdir resumed>) = 0 [pid 5080] mkdir("./30", 0777 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./28/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] close(4) = 0 [pid 5081] rmdir("./28/file0") = 0 [pid 5081] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] lstat("./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] unlink("./28/cgroup.cpu" [pid 5078] lstat("./27/file0", [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... unlink resumed>) = 0 [pid 5080] <... mkdir resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] getdents64(3, [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5082] <... openat resumed>) = 4 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] fstat(4, [pid 5081] close(3 [pid 5080] <... openat resumed>) = 3 [pid 5078] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... close resumed>) = 0 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] rmdir("./28" [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] getdents64(4, [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] close(3 [pid 5761] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5082] getdents64(4, [pid 5081] <... rmdir resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5762 attached [pid 5082] close(4 [pid 5081] mkdir("./29", 0777 [pid 5078] <... openat resumed>) = 4 [pid 5762] set_robust_list(0x5555565af5e0, 24 [pid 5082] <... close resumed>) = 0 [pid 5762] <... set_robust_list resumed>) = 0 [pid 5082] rmdir("./28/file0" [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 81 [pid 5762] chdir("./30" [pid 5082] <... rmdir resumed>) = 0 [pid 5762] <... chdir resumed>) = 0 [pid 5082] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... mkdir resumed>) = 0 [pid 5078] fstat(4, [pid 5762] <... prctl resumed>) = 0 [pid 5082] lstat("./28/cgroup.cpu", [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5762] setpgid(0, 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5762] <... setpgid resumed>) = 0 [pid 5082] unlink("./28/cgroup.cpu" [pid 5081] <... openat resumed>) = 3 [pid 5078] getdents64(4, [pid 5762] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5082] <... unlink resumed>) = 0 [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5762] <... symlink resumed>) = 0 [pid 5082] getdents64(3, [pid 5762] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5762] <... symlink resumed>) = 0 [pid 5082] close(3 [pid 5762] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5082] <... close resumed>) = 0 [pid 5762] <... symlink resumed>) = 0 [pid 5082] rmdir("./28" [pid 5762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] <... rmdir resumed>) = 0 [pid 5762] <... openat resumed>) = 3 [pid 5082] mkdir("./29", 0777 [pid 5762] write(3, "1000", 4 [pid 5082] <... mkdir resumed>) = 0 [pid 5762] <... write resumed>) = 4 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5762] close(3 [pid 5082] <... openat resumed>) = 3 [pid 5762] <... close resumed>) = 0 [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5762] read(200, [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5762] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] close(3 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5762] symlink("/dev/binderfs", "./binderfs" [pid 5082] <... close resumed>) = 0 [pid 5081] close(3 [pid 5078] getdents64(4, [pid 5762] <... symlink resumed>) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] <... close resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5763 attached [pid 5762] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] close(4 [pid 5763] set_robust_list(0x5555565af5e0, 24 [pid 5762] <... futex resumed>) = 0 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 84 [pid 5763] <... set_robust_list resumed>) = 0 [pid 5762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5763] chdir("./29" [pid 5762] <... mmap resumed>) = 0x7f87c84f0000 ./strace-static-x86_64: Process 5764 attached [pid 5763] <... chdir resumed>) = 0 [pid 5762] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5083] <... umount2 resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5763] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5762] <... mprotect resumed>) = 0 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 86 [pid 5764] set_robust_list(0x5555565af5e0, 24 [pid 5763] <... prctl resumed>) = 0 [pid 5762] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5078] rmdir("./27/file0"./strace-static-x86_64: Process 5765 attached [pid 5764] <... set_robust_list resumed>) = 0 [pid 5763] setpgid(0, 0 [pid 5765] set_robust_list(0x7f87c85109e0, 24 [pid 5763] <... setpgid resumed>) = 0 [pid 5762] <... clone resumed>, parent_tid=[82], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 82 [pid 5765] <... set_robust_list resumed>) = 0 [pid 5764] chdir("./29" [pid 5763] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5762] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... rmdir resumed>) = 0 [pid 5765] memfd_create("syzkaller", 0 [pid 5764] <... chdir resumed>) = 0 [pid 5763] <... symlink resumed>) = 0 [pid 5762] <... futex resumed>) = 0 [pid 5078] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5765] <... memfd_create resumed>) = 3 [pid 5764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5763] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5762] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5765] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5764] <... prctl resumed>) = 0 [pid 5763] <... symlink resumed>) = 0 [pid 5078] lstat("./27/cgroup.cpu", [pid 5765] <... mmap resumed>) = 0x7f87c00f0000 [pid 5764] setpgid(0, 0 [pid 5763] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5764] <... setpgid resumed>) = 0 [pid 5763] <... symlink resumed>) = 0 [pid 5761] <... write resumed>) = 4194304 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5764] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5763] <... openat resumed>) = 3 [pid 5078] unlink("./27/cgroup.cpu" [pid 5764] <... symlink resumed>) = 0 [pid 5763] write(3, "1000", 4 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5764] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5763] <... write resumed>) = 4 [pid 5083] lstat("./28/file0", [pid 5078] <... unlink resumed>) = 0 [pid 5764] <... symlink resumed>) = 0 [pid 5763] close(3 [pid 5761] munmap(0x7f87c00f0000, 4194304 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5764] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5763] <... close resumed>) = 0 [pid 5083] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] getdents64(3, [pid 5764] <... symlink resumed>) = 0 [pid 5763] read(200, [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5763] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5763] symlink("/dev/binderfs", "./binderfs" [pid 5083] <... openat resumed>) = 4 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5764] <... openat resumed>) = 3 [pid 5763] <... symlink resumed>) = 0 [pid 5083] fstat(4, [pid 5078] close(3 [pid 5763] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5764] write(3, "1000", 4 [pid 5763] <... futex resumed>) = 0 [pid 5083] getdents64(4, [pid 5078] <... close resumed>) = 0 [pid 5764] <... write resumed>) = 4 [pid 5763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] rmdir("./27" [pid 5764] close(3 [pid 5763] <... mmap resumed>) = 0x7f87c84f0000 [pid 5761] <... munmap resumed>) = 0 [pid 5083] getdents64(4, [pid 5763] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5764] <... close resumed>) = 0 [pid 5763] <... mprotect resumed>) = 0 [pid 5083] close(4 [pid 5078] <... rmdir resumed>) = 0 [pid 5763] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] <... close resumed>) = 0 [pid 5078] mkdir("./28", 0777./strace-static-x86_64: Process 5766 attached [pid 5764] read(200, [pid 5083] rmdir("./28/file0" [pid 5766] set_robust_list(0x7f87c85109e0, 24 [pid 5764] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5763] <... clone resumed>, parent_tid=[85], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 85 [pid 5083] <... rmdir resumed>) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 5766] <... set_robust_list resumed>) = 0 [pid 5764] symlink("/dev/binderfs", "./binderfs" [pid 5763] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5761] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5766] memfd_create("syzkaller", 0 [pid 5764] <... symlink resumed>) = 0 [pid 5763] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5766] <... memfd_create resumed>) = 3 [pid 5764] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5761] <... openat resumed>) = 4 [pid 5083] lstat("./28/cgroup.cpu", [pid 5078] <... openat resumed>) = 3 [pid 5766] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5764] <... futex resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5766] <... mmap resumed>) = 0x7f87c00f0000 [pid 5764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5761] ioctl(4, LOOP_SET_FD, 3 [pid 5083] unlink("./28/cgroup.cpu" [pid 5764] <... mmap resumed>) = 0x7f87c84f0000 [pid 5083] <... unlink resumed>) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5083] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] close(3) = 0 [pid 5083] rmdir("./28") = 0 [pid 5083] mkdir("./29", 0777) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5764] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5083] <... openat resumed>) = 3 [pid 5078] close(3 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5764] <... mprotect resumed>) = 0 [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5083] close(3 [pid 5078] <... close resumed>) = 0 [pid 5764] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] <... close resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5768 attached ./strace-static-x86_64: Process 5767 attached ./strace-static-x86_64: Process 5769 attached [pid 5768] set_robust_list(0x5555565af5e0, 24 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 83 [pid 5769] set_robust_list(0x7f87c85109e0, 24 [pid 5768] <... set_robust_list resumed>) = 0 [pid 5767] set_robust_list(0x5555565af5e0, 24 [pid 5764] <... clone resumed>, parent_tid=[87], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 87 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 79 [pid 5769] <... set_robust_list resumed>) = 0 [pid 5768] chdir("./29" [pid 5767] <... set_robust_list resumed>) = 0 [pid 5764] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] memfd_create("syzkaller", 0 [pid 5768] <... chdir resumed>) = 0 [pid 5764] <... futex resumed>) = 0 [pid 5769] <... memfd_create resumed>) = 3 [pid 5768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5767] chdir("./28" [pid 5761] <... ioctl resumed>) = 0 [pid 5768] <... prctl resumed>) = 0 [pid 5768] setpgid(0, 0 [pid 5769] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5768] <... setpgid resumed>) = 0 [pid 5764] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5769] <... mmap resumed>) = 0x7f87c00f0000 [pid 5768] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5767] <... chdir resumed>) = 0 [pid 5768] <... symlink resumed>) = 0 [pid 5768] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5768] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5768] <... symlink resumed>) = 0 [pid 5767] <... prctl resumed>) = 0 [pid 5768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5767] setpgid(0, 0 [pid 5768] <... openat resumed>) = 3 [pid 5767] <... setpgid resumed>) = 0 [pid 5765] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5768] write(3, "1000", 4) = 4 [pid 5767] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5768] close(3) = 0 [pid 5768] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5767] <... symlink resumed>) = 0 [pid 5768] symlink("/dev/binderfs", "./binderfs" [pid 5761] close(3 [pid 5768] <... symlink resumed>) = 0 [pid 5767] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5768] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5767] <... symlink resumed>) = 0 [pid 5768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5767] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5761] <... close resumed>) = 0 [pid 5768] <... mmap resumed>) = 0x7f87c84f0000 [pid 5768] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5767] <... symlink resumed>) = 0 [pid 5761] mkdir("./file0", 0777 [pid 5768] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5770 attached [pid 5770] set_robust_list(0x7f87c85109e0, 24 [pid 5768] <... clone resumed>, parent_tid=[84], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 84 [pid 5767] <... openat resumed>) = 3 [pid 5761] <... mkdir resumed>) = 0 [pid 5770] <... set_robust_list resumed>) = 0 [pid 5768] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] write(3, "1000", 4 [pid 5770] memfd_create("syzkaller", 0 [pid 5768] <... futex resumed>) = 0 [pid 5766] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 110.480817][ T5761] loop1: detected capacity change from 0 to 8192 [pid 5761] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5770] <... memfd_create resumed>) = 3 [pid 5768] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5767] <... write resumed>) = 4 [pid 5770] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5767] close(3 [pid 5770] <... mmap resumed>) = 0x7f87c00f0000 [pid 5767] <... close resumed>) = 0 [pid 5767] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5767] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5770] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5767] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5767] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5767] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 110.558282][ T5761] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5765] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 5772 attached [pid 5769] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5772] set_robust_list(0x7f87c85109e0, 24 [pid 5767] <... clone resumed>, parent_tid=[80], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 80 [pid 5772] <... set_robust_list resumed>) = 0 [pid 5767] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] memfd_create("syzkaller", 0 [pid 5767] <... futex resumed>) = 0 [pid 5772] <... memfd_create resumed>) = 3 [pid 5767] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5772] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5765] munmap(0x7f87c00f0000, 4194304 [pid 5772] <... mmap resumed>) = 0x7f87c00f0000 [pid 5765] <... munmap resumed>) = 0 [pid 5765] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5765] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5765] close(3) = 0 [pid 5765] mkdir("./file0", 0777) = 0 [ 110.604496][ T5761] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 110.627113][ T5761] REISERFS (device loop1): using ordered data mode [ 110.636351][ T5765] loop4: detected capacity change from 0 to 8192 [ 110.647012][ T5761] reiserfs: using flush barriers [pid 5765] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5769] <... write resumed>) = 4194304 [pid 5769] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5769] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5769] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5769] close(3) = 0 [pid 5769] mkdir("./file0", 0777) = 0 [ 110.663361][ T5761] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 110.686505][ T5769] loop3: detected capacity change from 0 to 8192 [pid 5769] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5766] <... write resumed>) = 4194304 [pid 5766] munmap(0x7f87c00f0000, 4194304 [pid 5772] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5766] <... munmap resumed>) = 0 [pid 5766] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5770] <... write resumed>) = 4194304 [ 110.703206][ T5769] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 110.712517][ T5761] REISERFS (device loop1): checking transaction log (loop1) [ 110.728684][ T5765] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5766] ioctl(4, LOOP_SET_FD, 3 [pid 5770] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5770] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5770] ioctl(4, LOOP_SET_FD, 3 [pid 5766] <... ioctl resumed>) = 0 [pid 5766] close(3) = 0 [pid 5766] mkdir("./file0", 0777) = 0 [pid 5770] <... ioctl resumed>) = 0 [pid 5770] close(3 [ 110.761309][ T5769] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 110.771457][ T5769] REISERFS (device loop3): using ordered data mode [ 110.773231][ T5765] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 110.779383][ T5766] loop5: detected capacity change from 0 to 8192 [ 110.796107][ T5769] reiserfs: using flush barriers [ 110.803206][ T5770] loop2: detected capacity change from 0 to 8192 [pid 5766] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5770] <... close resumed>) = 0 [pid 5772] <... write resumed>) = 4194304 [ 110.811700][ T5765] REISERFS (device loop4): using ordered data mode [ 110.819282][ T5765] reiserfs: using flush barriers [ 110.822788][ T5769] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 110.845163][ T5766] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 110.860959][ T5769] REISERFS (device loop3): checking transaction log (loop3) [pid 5770] mkdir("./file0", 0777 [pid 5772] munmap(0x7f87c00f0000, 4194304 [pid 5770] <... mkdir resumed>) = 0 [pid 5772] <... munmap resumed>) = 0 [pid 5770] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5772] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 110.863192][ T5765] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 110.871352][ T5761] REISERFS (device loop1): Using r5 hash to sort names [ 110.954823][ T5766] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5772] ioctl(4, LOOP_SET_FD, 3) = 0 [ 110.955301][ T5761] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 110.990512][ T5772] loop0: detected capacity change from 0 to 8192 [ 110.991404][ T5766] REISERFS (device loop5): using ordered data mode [ 110.997763][ T5761] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5772] close(3 [pid 5761] <... mount resumed>) = 0 [pid 5772] <... close resumed>) = 0 [ 111.007825][ T5766] reiserfs: using flush barriers [ 111.014803][ T5765] REISERFS (device loop4): checking transaction log (loop4) [ 111.023857][ T5766] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 111.026754][ T5770] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 111.044907][ T5766] REISERFS (device loop5): checking transaction log (loop5) [pid 5772] mkdir("./file0", 0777 [pid 5761] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5772] <... mkdir resumed>) = 0 [pid 5761] <... openat resumed>) = 3 [ 111.057562][ T5769] REISERFS (device loop3): Using r5 hash to sort names [ 111.067960][ T5766] REISERFS (device loop5): Using r5 hash to sort names [ 111.075400][ T5765] REISERFS (device loop4): Using r5 hash to sort names [ 111.082899][ T5766] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 111.102753][ T5765] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5772] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5761] chdir("./file0" [pid 5766] <... mount resumed>) = 0 [pid 5766] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5766] chdir("./file0") = 0 [pid 5766] ioctl(4, LOOP_CLR_FD) = 0 [pid 5766] close(4) = 0 [pid 5766] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] <... chdir resumed>) = 0 [pid 5763] <... futex resumed>) = 0 [pid 5763] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5761] ioctl(4, LOOP_CLR_FD) = 0 [pid 5761] close(4) = 0 [pid 5763] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5766] <... futex resumed>) = 1 [pid 5766] mkdir("./file1", 000) = 0 [pid 5766] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... futex resumed>) = 0 [pid 5763] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5763] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5766] <... futex resumed>) = 1 [pid 5761] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5759] <... futex resumed>) = 0 [pid 5759] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5759] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5766] mkdir("./bus", 000) = 0 [ 111.103803][ T5766] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 111.117517][ T5769] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 111.143211][ T5770] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5766] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... futex resumed>) = 0 [pid 5761] mkdir("./file1", 000 [pid 5763] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5763] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5766] <... futex resumed>) = 1 [pid 5761] <... mkdir resumed>) = 0 [pid 5766] mkdir("./file0", 000) = 0 [pid 5761] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] <... futex resumed>) = 0 [pid 5761] <... futex resumed>) = 1 [pid 5759] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] mkdir("./bus", 000 [pid 5759] <... futex resumed>) = 0 [pid 5766] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... futex resumed>) = 0 [pid 5763] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5763] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5766] <... futex resumed>) = 1 [pid 5766] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5759] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5761] <... mkdir resumed>) = 0 [ 111.157289][ T5765] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 111.165736][ T5770] REISERFS (device loop2): using ordered data mode [ 111.178763][ T5772] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 111.195360][ T5769] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 111.208221][ T5766] overlayfs: upper fs needs to support d_type. [pid 5765] <... mount resumed>) = 0 [pid 5761] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5759] <... futex resumed>) = 0 [pid 5761] <... futex resumed>) = 1 [pid 5765] <... openat resumed>) = 3 [pid 5759] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] chdir("./file0" [pid 5761] mkdir("./file0", 000 [pid 5759] <... futex resumed>) = 0 [pid 5765] <... chdir resumed>) = 0 [pid 5759] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] ioctl(4, LOOP_CLR_FD [pid 5761] <... mkdir resumed>) = 0 [pid 5765] <... ioctl resumed>) = 0 [pid 5761] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] close(4 [pid 5761] <... futex resumed>) = 1 [pid 5759] <... futex resumed>) = 0 [pid 5765] <... close resumed>) = 0 [pid 5765] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5759] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] <... futex resumed>) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5759] <... futex resumed>) = 0 [pid 5759] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] mkdir("./file1", 000 [pid 5762] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] <... mkdir resumed>) = 0 [pid 5766] <... mount resumed>) = 0 [pid 5763] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5762] <... futex resumed>) = 0 [pid 5765] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] <... futex resumed>) = 0 [pid 5763] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5763] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5763] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[86], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 86 [pid 5763] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5778 attached [pid 5765] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] set_robust_list(0x7f87c04ef9e0, 24 [pid 5762] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5778] <... set_robust_list resumed>) = 0 [pid 5765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5762] <... futex resumed>) = 0 [pid 5778] mkdir(".", 0777 [pid 5765] mkdir("./bus", 000 [pid 5762] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5778] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5763] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5778] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5765] <... mkdir resumed>) = 0 [pid 5766] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5765] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 111.222858][ T5766] overlayfs: upper fs does not support tmpfile. [ 111.224364][ T5761] overlayfs: upper fs needs to support d_type. [ 111.231665][ T5766] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 111.254435][ T5770] reiserfs: using flush barriers [pid 5766] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5765] <... futex resumed>) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5765] mkdir("./file0", 000 [pid 5762] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5762] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] <... mkdir resumed>) = 0 [pid 5765] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] <... mount resumed>) = 0 [pid 5765] <... futex resumed>) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5769] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5765] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5762] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5762] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5769] <... openat resumed>) = 3 [ 111.266062][ T5772] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 111.282428][ T5772] REISERFS (device loop0): using ordered data mode [ 111.283834][ T5765] overlayfs: upper fs needs to support d_type. [ 111.291368][ T5772] reiserfs: using flush barriers [ 111.303254][ T5778] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5769] chdir("./file0" [pid 5759] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5762] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5762] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5762] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5762] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5779 attached [pid 5779] set_robust_list(0x7f87c04ef9e0, 24 [pid 5762] <... clone resumed>, parent_tid=[83], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 83 [pid 5779] <... set_robust_list resumed>) = 0 [pid 5762] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] mkdir(".", 0777 [pid 5762] <... futex resumed>) = 0 [pid 5779] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5762] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 111.306949][ T5772] 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 [ 111.320063][ T5761] overlayfs: upper fs does not support tmpfile. [ 111.344013][ T5770] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 111.344402][ T5770] REISERFS (device loop2): checking transaction log (loop2) [pid 5779] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5769] <... chdir resumed>) = 0 [pid 5769] ioctl(4, LOOP_CLR_FD [pid 5778] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5769] <... ioctl resumed>) = 0 [pid 5778] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] close(4) = 0 [pid 5778] <... futex resumed>) = 1 [pid 5769] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... futex resumed>) = 0 [pid 5763] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5766] <... futex resumed>) = 0 [pid 5763] <... futex resumed>) = 1 [pid 5766] unlink(NULL [pid 5763] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5766] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5766] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5763] <... futex resumed>) = 0 [pid 5766] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5763] close(3) = 0 [pid 5763] close(4 [pid 5778] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5769] <... futex resumed>) = 1 [pid 5764] <... futex resumed>) = 0 [pid 5763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5763] close(5) = -1 EBADF (Bad file descriptor) [pid 5769] mkdir("./file1", 000 [pid 5764] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] close(6 [pid 5764] <... futex resumed>) = 0 [pid 5764] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5769] <... mkdir resumed>) = 0 [pid 5763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5769] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] close(7 [pid 5759] <... futex resumed>) = 0 [pid 5769] <... futex resumed>) = 1 [pid 5764] <... futex resumed>) = 0 [pid 5763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5769] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5764] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5764] <... futex resumed>) = 0 [pid 5769] mkdir("./bus", 000 [pid 5764] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5769] <... mkdir resumed>) = 0 [pid 5763] close(8 [pid 5769] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] <... mmap resumed>) = 0x7f87c04cf000 [pid 5769] <... futex resumed>) = 1 [pid 5764] <... futex resumed>) = 0 [pid 5769] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5764] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5764] <... futex resumed>) = 0 [pid 5759] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5769] mkdir("./file0", 000 [pid 5764] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5769] <... mkdir resumed>) = 0 [pid 5763] close(9 [pid 5769] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] <... mprotect resumed>) = 0 [pid 5769] <... futex resumed>) = 1 [pid 5764] <... futex resumed>) = 0 [pid 5763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5769] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5764] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] close(10 [pid 5759] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5764] <... futex resumed>) = 0 [pid 5763] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 111.349164][ T5770] REISERFS (device loop2): Using r5 hash to sort names [ 111.363478][ T5765] overlayfs: upper fs does not support tmpfile. [ 111.392034][ T5779] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 111.402628][ T5761] overlayfs: upper fs does not support RENAME_WHITEOUT. ./strace-static-x86_64: Process 5780 attached [pid 5769] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5764] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5763] close(11 [pid 5761] <... mount resumed>) = 0 [pid 5763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5763] close(12) = -1 EBADF (Bad file descriptor) [pid 5763] close(13) = -1 EBADF (Bad file descriptor) [pid 5763] close(14) = -1 EBADF (Bad file descriptor) [pid 5763] close(15) = -1 EBADF (Bad file descriptor) [pid 5763] close(16) = -1 EBADF (Bad file descriptor) [pid 5763] close(17) = -1 EBADF (Bad file descriptor) [pid 5763] close(18) = -1 EBADF (Bad file descriptor) [pid 5763] close(19) = -1 EBADF (Bad file descriptor) [pid 5763] close(20 [pid 5780] set_robust_list(0x7f87c04ef9e0, 24 [pid 5779] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] <... clone resumed>, parent_tid=[83], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 83 [pid 5763] close(21) = -1 EBADF (Bad file descriptor) [pid 5763] close(22) = -1 EBADF (Bad file descriptor) [pid 5763] close(23) = -1 EBADF (Bad file descriptor) [pid 5763] close(24) = -1 EBADF (Bad file descriptor) [pid 5763] close(25) = -1 EBADF (Bad file descriptor) [pid 5763] close(26) = -1 EBADF (Bad file descriptor) [pid 5763] close(27) = -1 EBADF (Bad file descriptor) [pid 5763] close(28) = -1 EBADF (Bad file descriptor) [pid 5763] close(29) = -1 EBADF (Bad file descriptor) [pid 5763] exit_group(0 [pid 5766] <... futex resumed>) = ? [pid 5763] <... exit_group resumed>) = ? [pid 5766] +++ exited with 0 +++ [pid 5759] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... set_robust_list resumed>) = 0 [pid 5761] <... futex resumed>) = 0 [pid 5778] <... futex resumed>) = ? [pid 5759] <... futex resumed>) = 0 [pid 5780] mkdir(".", 0777 [pid 5761] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5759] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5780] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5778] +++ exited with 0 +++ [pid 5763] +++ exited with 0 +++ [ 111.446082][ T5772] REISERFS (device loop0): checking transaction log (loop0) [ 111.456913][ T5769] overlayfs: upper fs needs to support d_type. [ 111.458576][ T5770] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 111.464387][ T5769] overlayfs: upper fs does not support tmpfile. [ 111.480495][ T5765] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5780] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5764] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5764] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5770] <... mount resumed>) = 0 [pid 5764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5779] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] <... mount resumed>) = 0 [ 111.501819][ T5770] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 111.505372][ T5772] REISERFS (device loop0): Using r5 hash to sort names [ 111.524085][ T5769] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 111.529569][ T5772] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5779] <... futex resumed>) = 1 [pid 5770] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5765] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] <... futex resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5770] <... openat resumed>) = 3 [pid 5770] chdir("./file0") = 0 [pid 5770] ioctl(4, LOOP_CLR_FD) = 0 [pid 5770] close(4) = 0 [pid 5770] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5770] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5764] <... mmap resumed>) = 0x7f87c04cf000 [pid 5764] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5764] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5781 attached , parent_tid=[88], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 88 [pid 5762] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] <... futex resumed>) = 0 [pid 5765] <... futex resumed>) = 0 [pid 5762] <... futex resumed>) = 0 [pid 5082] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5764] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5764] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] <... openat resumed>) = 3 [pid 5781] set_robust_list(0x7f87c04ef9e0, 24 [pid 5768] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] unlink(NULL [pid 5762] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] fstat(3, [pid 5781] <... set_robust_list resumed>) = 0 [pid 5768] <... futex resumed>) = 1 [pid 5765] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5768] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5765] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5781] mkdir(".", 0777 [pid 5082] getdents64(3, [pid 5765] <... futex resumed>) = 1 [pid 5762] <... futex resumed>) = 0 [pid 5781] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5770] <... futex resumed>) = 0 [pid 5765] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5762] close(3 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5770] mkdir("./file1", 000 [pid 5762] <... close resumed>) = 0 [pid 5082] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5781] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5770] <... mkdir resumed>) = 0 [pid 5762] close(4 [pid 5770] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5770] <... futex resumed>) = 1 [pid 5768] <... futex resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./29/binderfs", [pid 5770] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] close(5 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5768] <... futex resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./29/binderfs" [pid 5770] mkdir("./bus", 000 [pid 5768] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5762] close(6 [pid 5770] <... mkdir resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 5770] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5770] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] <... futex resumed>) = 0 [pid 5762] close(7 [pid 5082] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5768] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5770] <... futex resumed>) = 0 [pid 5768] <... futex resumed>) = 1 [pid 5762] close(8 [pid 5770] mkdir("./file0", 000 [pid 5768] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./29/cgroup", [pid 5770] <... mkdir resumed>) = 0 [pid 5762] close(9 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5770] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./29/cgroup" [pid 5770] <... futex resumed>) = 1 [pid 5768] <... futex resumed>) = 0 [pid 5762] close(10 [pid 5082] <... unlink resumed>) = 0 [pid 5770] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5768] <... futex resumed>) = 0 [pid 5762] close(11 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 111.535395][ T5780] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 111.550168][ T5772] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5770] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5769] <... mount resumed>) = 0 [pid 5768] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./29/cgroup.net", [pid 5772] <... mount resumed>) = 0 [pid 5762] close(12 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5772] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./29/cgroup.net" [pid 5772] <... openat resumed>) = 3 [pid 5762] close(13 [pid 5082] <... unlink resumed>) = 0 [pid 5780] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5772] chdir("./file0" [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5769] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] <... chdir resumed>) = 0 [pid 5762] close(14 [pid 5780] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] ioctl(4, LOOP_CLR_FD [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5780] <... futex resumed>) = 1 [pid 5772] <... ioctl resumed>) = 0 [pid 5762] close(15 [pid 5759] <... futex resumed>) = 0 [pid 5780] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5772] close(4 [pid 5769] <... futex resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5772] <... close resumed>) = 0 [pid 5762] close(16 [pid 5761] <... futex resumed>) = 0 [pid 5759] <... futex resumed>) = 1 [pid 5772] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] unlink(NULL [pid 5759] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5772] <... futex resumed>) = 1 [pid 5762] close(17 [pid 5761] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5772] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5761] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] close(18 [pid 5761] <... futex resumed>) = 1 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] <... futex resumed>) = 0 [pid 5762] close(19 [pid 5761] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5759] close(3 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5762] close(20 [pid 5759] <... close resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(4 [pid 5762] close(21 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(5 [pid 5762] close(22 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(6 [pid 5762] close(23 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] <... futex resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(7 [pid 5767] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] close(24 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5781] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5772] <... futex resumed>) = 0 [pid 5768] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5767] <... futex resumed>) = 1 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(8 [pid 5781] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] mkdir("./file1", 000 [pid 5770] <... mount resumed>) = 0 [pid 5768] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5762] close(25 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5781] <... futex resumed>) = 1 [pid 5772] <... mkdir resumed>) = 0 [pid 5770] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] <... futex resumed>) = 0 [pid 5764] <... futex resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(9 [pid 5781] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5772] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] <... futex resumed>) = 0 [pid 5768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5764] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] close(26 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5772] <... futex resumed>) = 1 [pid 5770] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5769] <... futex resumed>) = 0 [pid 5768] <... mmap resumed>) = 0x7f87c04cf000 [pid 5767] <... futex resumed>) = 0 [pid 5764] <... futex resumed>) = 1 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(10 [pid 5772] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5769] unlink(NULL [pid 5768] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5767] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5762] close(27 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5769] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5768] <... mprotect resumed>) = 0 [pid 5767] <... futex resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 111.617943][ T5770] overlayfs: upper fs needs to support d_type. [ 111.624576][ T5770] overlayfs: upper fs does not support tmpfile. [ 111.640396][ T5781] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 111.648489][ T5770] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5759] close(11 [pid 5772] mkdir("./bus", 000 [pid 5769] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5767] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5762] close(28 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5782 attached [pid 5772] <... mkdir resumed>) = 0 [pid 5769] <... futex resumed>) = 1 [pid 5764] <... futex resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(12 [pid 5782] set_robust_list(0x7f87c04ef9e0, 24 [pid 5772] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] <... clone resumed>, parent_tid=[85], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 85 [pid 5764] close(3 [pid 5762] close(29 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5782] <... set_robust_list resumed>) = 0 [pid 5772] <... futex resumed>) = 1 [pid 5768] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... futex resumed>) = 0 [pid 5764] <... close resumed>) = 0 [pid 5762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] close(13 [pid 5782] mkdir(".", 0777 [pid 5772] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] <... futex resumed>) = 0 [pid 5767] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] close(4 [pid 5762] exit_group(0 [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5782] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5779] <... futex resumed>) = ? [pid 5772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5768] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5765] <... futex resumed>) = ? [pid 5762] <... exit_group resumed>) = ? [pid 5759] close(14 [pid 5782] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5779] +++ exited with 0 +++ [pid 5772] mkdir("./file0", 000 [pid 5767] <... futex resumed>) = 0 [pid 5765] +++ exited with 0 +++ [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5762] +++ exited with 0 +++ [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5772] <... mkdir resumed>) = 0 [pid 5767] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5764] close(5 [pid 5759] close(15 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5772] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5772] <... futex resumed>) = 0 [pid 5767] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] close(6 [pid 5759] close(16 [pid 5772] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5767] <... futex resumed>) = 0 [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5767] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5759] close(17) = -1 EBADF (Bad file descriptor) [pid 5759] close(18) = -1 EBADF (Bad file descriptor) [pid 5759] close(19) = -1 EBADF (Bad file descriptor) [pid 5759] close(20) = -1 EBADF (Bad file descriptor) [pid 5759] close(21) = -1 EBADF (Bad file descriptor) [pid 5759] close(22) = -1 EBADF (Bad file descriptor) [pid 5759] close(23) = -1 EBADF (Bad file descriptor) [pid 5759] close(24) = -1 EBADF (Bad file descriptor) [pid 5759] close(25) = -1 EBADF (Bad file descriptor) [pid 5759] close(26) = -1 EBADF (Bad file descriptor) [pid 5759] close(27) = -1 EBADF (Bad file descriptor) [pid 5759] close(28) = -1 EBADF (Bad file descriptor) [pid 5759] close(29) = -1 EBADF (Bad file descriptor) [pid 5759] exit_group(0 [pid 5780] <... futex resumed>) = ? [pid 5761] <... futex resumed>) = ? [pid 5759] <... exit_group resumed>) = ? [pid 5780] +++ exited with 0 +++ [pid 5761] +++ exited with 0 +++ [pid 5759] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5079] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5079] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./29/binderfs" [pid 5764] close(7 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... unlink resumed>) = 0 [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5764] close(8 [pid 5080] <... openat resumed>) = 3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] fstat(3, [pid 5079] lstat("./29/cgroup", [pid 5764] close(9 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(3, [pid 5079] unlink("./29/cgroup" [pid 5764] close(10 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] <... unlink resumed>) = 0 [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5764] close(11 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5782] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./30/binderfs", [pid 5079] lstat("./29/cgroup.net", [pid 5782] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] close(12 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5782] <... futex resumed>) = 1 [pid 5768] <... futex resumed>) = 0 [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 111.718037][ T5782] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 111.740170][ T5772] overlayfs: upper fs needs to support d_type. [ 111.746659][ T5772] overlayfs: upper fs does not support tmpfile. [pid 5080] unlink("./30/binderfs" [pid 5079] unlink("./29/cgroup.net" [pid 5782] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] close(13 [pid 5080] <... unlink resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5770] <... futex resumed>) = 0 [pid 5768] <... futex resumed>) = 1 [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5770] unlink(NULL [pid 5768] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5764] close(14 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5770] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5080] lstat("./30/cgroup", [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5770] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5764] close(15 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5770] <... futex resumed>) = 1 [pid 5768] <... futex resumed>) = 0 [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./30/cgroup" [pid 5770] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] close(3 [pid 5764] close(16 [pid 5768] <... close resumed>) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(4 [pid 5080] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5764] close(17 [pid 5768] close(5 [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5764] close(18 [pid 5080] lstat("./30/cgroup.net", [pid 5768] close(6 [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5764] close(19 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5768] close(7 [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./30/cgroup.net" [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 111.767898][ T5772] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5764] close(20 [pid 5772] <... mount resumed>) = 0 [pid 5768] close(8 [pid 5767] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... unlink resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(9) = -1 EBADF (Bad file descriptor) [pid 5768] close(10) = -1 EBADF (Bad file descriptor) [pid 5768] close(11) = -1 EBADF (Bad file descriptor) [pid 5768] close(12 [pid 5767] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(13 [pid 5767] <... futex resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5768] close(14 [pid 5767] <... mmap resumed>) = 0x7f87c04cf000 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5768] close(15 [pid 5767] <... mprotect resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(16 [pid 5767] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5783 attached [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(17) = -1 EBADF (Bad file descriptor) [pid 5783] set_robust_list(0x7f87c04ef9e0, 24 [pid 5768] close(18 [pid 5767] <... clone resumed>, parent_tid=[81], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 81 [pid 5783] <... set_robust_list resumed>) = 0 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] mkdir(".", 0777 [pid 5768] close(19 [pid 5767] <... futex resumed>) = 0 [pid 5783] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5767] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5783] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5768] close(20 [pid 5764] close(21 [pid 5080] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5772] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] close(21 [pid 5764] close(22 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(22 [pid 5764] close(23 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(23 [pid 5764] close(24 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(24 [pid 5764] close(25 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(25 [pid 5764] close(26 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(26 [pid 5764] close(27 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(27 [pid 5764] close(28 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5768] close(28 [pid 5764] close(29 [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5764] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5772] <... futex resumed>) = 0 [pid 5768] close(29 [pid 5764] exit_group(0 [pid 5781] <... futex resumed>) = ? [pid 5769] <... futex resumed>) = ? [pid 5768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5764] <... exit_group resumed>) = ? [pid 5781] +++ exited with 0 +++ [pid 5772] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5769] +++ exited with 0 +++ [pid 5768] exit_group(0 [pid 5764] +++ exited with 0 +++ [pid 5782] <... futex resumed>) = ? [pid 5770] <... futex resumed>) = ? [pid 5768] <... exit_group resumed>) = ? [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5782] +++ exited with 0 +++ [pid 5770] +++ exited with 0 +++ [pid 5768] +++ exited with 0 +++ [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5083] restart_syscall(<... resuming interrupted clone ...> [pid 5081] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... restart_syscall resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5083] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] fstat(3, [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] getdents64(3, [pid 5083] <... openat resumed>) = 3 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] fstat(3, [pid 5081] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] getdents64(3, [pid 5081] lstat("./29/binderfs", [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] unlink("./29/binderfs" [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... unlink resumed>) = 0 [pid 5083] lstat("./29/binderfs", [pid 5081] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5783] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] <... umount2 resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = 0 [pid 5083] unlink("./29/binderfs" [pid 5081] lstat("./29/cgroup", [pid 5783] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... unlink resumed>) = 0 [pid 5082] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5783] <... futex resumed>) = 1 [pid 5083] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] unlink("./29/cgroup" [pid 5783] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./29/file0", [pid 5081] <... unlink resumed>) = 0 [pid 5083] lstat("./29/cgroup", [pid 5081] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] unlink("./29/cgroup" [pid 5081] lstat("./29/cgroup.net", [pid 5083] <... unlink resumed>) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [ 111.847650][ T5783] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5081] unlink("./29/cgroup.net" [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... unlink resumed>) = 0 [pid 5083] lstat("./29/cgroup.net", [pid 5081] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] unlink("./29/cgroup.net") = 0 [pid 5082] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... openat resumed>) = 4 [pid 5079] lstat("./29/file0", [pid 5082] fstat(4, [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5767] <... futex resumed>) = 0 [pid 5082] getdents64(4, [pid 5079] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5767] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] <... futex resumed>) = 0 [pid 5767] <... futex resumed>) = 1 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5772] unlink(NULL [pid 5767] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] getdents64(4, [pid 5079] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5772] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] <... openat resumed>) = 4 [pid 5082] close(4 [pid 5079] fstat(4, [pid 5772] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5767] <... futex resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5080] <... umount2 resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5772] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5767] close(3 [pid 5082] rmdir("./29/file0" [pid 5079] getdents64(4, [pid 5080] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./30/file0", [pid 5082] <... rmdir resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5767] <... close resumed>) = 0 [pid 5767] close(4 [pid 5079] getdents64(4, [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5767] close(5 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./29/cgroup.cpu", [pid 5767] close(6 [pid 5079] close(4 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... close resumed>) = 0 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./29/file0" [pid 5767] close(7 [pid 5082] unlink("./29/cgroup.cpu" [pid 5080] <... openat resumed>) = 4 [pid 5079] <... rmdir resumed>) = 0 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5767] close(8 [pid 5082] <... unlink resumed>) = 0 [pid 5079] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(4, [pid 5767] close(9) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(3, [pid 5767] close(10 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(3 [pid 5079] lstat("./29/cgroup.cpu", [pid 5080] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] close(4) = 0 [pid 5080] rmdir("./30/file0") = 0 [pid 5080] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./30/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./30/cgroup.cpu") = 0 [pid 5080] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] close(3) = 0 [pid 5080] rmdir("./30") = 0 [pid 5080] mkdir("./31", 0777) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5080] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5080] close(3) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565af5d0) = 84 [pid 5767] close(11 [pid 5082] <... close resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] rmdir("./29" [pid 5079] unlink("./29/cgroup.cpu" [pid 5767] close(12) = -1 EBADF (Bad file descriptor) [pid 5082] <... rmdir resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5784 attached [pid 5784] set_robust_list(0x5555565af5e0, 24) = 0 [pid 5784] chdir("./31") = 0 [pid 5784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5767] close(13 [pid 5082] mkdir("./30", 0777 [pid 5079] getdents64(3, [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5784] setpgid(0, 0 [pid 5082] <... mkdir resumed>) = 0 [pid 5767] close(14 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5079] close(3 [pid 5767] close(15 [pid 5079] <... close resumed>) = 0 [pid 5784] <... setpgid resumed>) = 0 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 3 [pid 5767] close(16 [pid 5079] rmdir("./29" [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5784] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5767] close(17 [pid 5079] <... rmdir resumed>) = 0 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] mkdir("./30", 0777 [pid 5767] close(18 [pid 5082] close(3 [pid 5784] <... symlink resumed>) = 0 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... mkdir resumed>) = 0 [pid 5784] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5784] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5767] close(19 [pid 5784] write(3, "1000", 4 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5784] <... write resumed>) = 4 [pid 5767] close(20 [pid 5784] close(3 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5784] <... close resumed>) = 0 [pid 5767] close(21 [pid 5784] read(200, [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5784] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5767] close(22 [pid 5784] symlink("/dev/binderfs", "./binderfs" [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5784] <... symlink resumed>) = 0 [pid 5767] close(23 [pid 5784] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5784] <... futex resumed>) = 0 [pid 5767] close(24 [pid 5784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5784] <... mmap resumed>) = 0x7f87c84f0000 [pid 5767] close(25 [pid 5784] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5784] <... mprotect resumed>) = 0 [pid 5767] close(26 [pid 5784] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5785 attached [pid 5767] close(27 [pid 5785] set_robust_list(0x7f87c85109e0, 24 [pid 5784] <... clone resumed>, parent_tid=[85], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 85 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5785] <... set_robust_list resumed>) = 0 [pid 5784] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5767] close(28 [pid 5785] memfd_create("syzkaller", 0 [pid 5784] <... futex resumed>) = 0 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] <... openat resumed>) = 3 [pid 5785] <... memfd_create resumed>) = 3 [pid 5784] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5767] close(29 [pid 5785] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5767] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5785] <... mmap resumed>) = 0x7f87c00f0000 [pid 5767] exit_group(0./strace-static-x86_64: Process 5786 attached ) = ? [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5786] set_robust_list(0x5555565af5e0, 24 [pid 5783] <... futex resumed>) = ? [pid 5772] <... futex resumed>) = ? [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 87 [pid 5786] <... set_robust_list resumed>) = 0 [pid 5783] +++ exited with 0 +++ [pid 5772] +++ exited with 0 +++ [pid 5767] +++ exited with 0 +++ [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5786] chdir("./30" [pid 5079] close(3 [pid 5786] <... chdir resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=27 /* 0.27 s */} --- ./strace-static-x86_64: Process 5787 attached [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 84 [pid 5786] <... prctl resumed>) = 0 [pid 5078] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5786] setpgid(0, 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5787] set_robust_list(0x5555565af5e0, 24 [pid 5786] <... setpgid resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5786] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5078] <... openat resumed>) = 3 [pid 5786] <... symlink resumed>) = 0 [pid 5078] fstat(3, [pid 5787] <... set_robust_list resumed>) = 0 [pid 5786] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5787] chdir("./30" [pid 5078] getdents64(3, [pid 5786] <... symlink resumed>) = 0 [pid 5083] <... umount2 resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5786] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5078] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5787] <... chdir resumed>) = 0 [pid 5786] <... symlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5787] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5787] <... prctl resumed>) = 0 [pid 5786] <... openat resumed>) = 3 [pid 5078] lstat("./28/binderfs", [pid 5083] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./29/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5083] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5083] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] close(4) = 0 [pid 5083] rmdir("./29/file0") = 0 [pid 5083] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./29/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./29/cgroup.cpu") = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] close(3) = 0 [pid 5083] rmdir("./29" [pid 5787] setpgid(0, 0 [pid 5786] write(3, "1000", 4 [pid 5083] <... rmdir resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] mkdir("./30", 0777 [pid 5787] <... setpgid resumed>) = 0 [pid 5786] <... write resumed>) = 4 [pid 5083] <... mkdir resumed>) = 0 [pid 5078] unlink("./28/binderfs" [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5083] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5083] close(3) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5787] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5786] close(3 [pid 5078] <... unlink resumed>) = 0 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 86 [pid 5787] <... symlink resumed>) = 0 [pid 5786] <... close resumed>) = 0 [pid 5078] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5787] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5786] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5788 attached [pid 5787] <... symlink resumed>) = 0 [pid 5786] symlink("/dev/binderfs", "./binderfs" [pid 5078] lstat("./28/cgroup", [pid 5787] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5788] set_robust_list(0x5555565af5e0, 24 [pid 5787] <... symlink resumed>) = 0 [pid 5786] <... symlink resumed>) = 0 [pid 5081] <... umount2 resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5788] <... set_robust_list resumed>) = 0 [pid 5787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5786] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] unlink("./28/cgroup" [pid 5788] chdir("./30" [pid 5078] <... unlink resumed>) = 0 [pid 5788] <... chdir resumed>) = 0 [pid 5788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5787] <... openat resumed>) = 3 [pid 5786] <... futex resumed>) = 0 [pid 5788] <... prctl resumed>) = 0 [pid 5787] write(3, "1000", 4 [pid 5078] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5788] setpgid(0, 0 [pid 5787] <... write resumed>) = 4 [pid 5786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5785] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5081] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5788] <... setpgid resumed>) = 0 [pid 5787] close(3 [pid 5788] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5787] <... close resumed>) = 0 [pid 5786] <... mmap resumed>) = 0x7f87c84f0000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5788] <... symlink resumed>) = 0 [pid 5787] read(200, [pid 5788] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5787] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5788] <... symlink resumed>) = 0 [pid 5787] symlink("/dev/binderfs", "./binderfs" [pid 5786] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5081] lstat("./29/file0", [pid 5078] lstat("./28/cgroup.net", [pid 5788] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5787] <... symlink resumed>) = 0 [pid 5786] <... mprotect resumed>) = 0 [pid 5788] <... symlink resumed>) = 0 [pid 5787] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5789 attached [pid 5788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5787] <... futex resumed>) = 0 [pid 5081] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] unlink("./28/cgroup.net" [pid 5789] set_robust_list(0x7f87c85109e0, 24 [pid 5788] <... openat resumed>) = 3 [pid 5787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5786] <... clone resumed>, parent_tid=[88], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 88 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5789] <... set_robust_list resumed>) = 0 [pid 5788] write(3, "1000", 4 [pid 5787] <... mmap resumed>) = 0x7f87c84f0000 [pid 5081] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5786] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... unlink resumed>) = 0 [pid 5789] memfd_create("syzkaller", 0 [pid 5788] <... write resumed>) = 4 [pid 5787] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5081] <... openat resumed>) = 4 [pid 5789] <... memfd_create resumed>) = 3 [pid 5788] close(3 [pid 5787] <... mprotect resumed>) = 0 [pid 5786] <... futex resumed>) = 0 [pid 5081] fstat(4, [pid 5078] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5789] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5788] <... close resumed>) = 0 [pid 5787] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5786] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5789] <... mmap resumed>) = 0x7f87c00f0000 [pid 5788] read(200, [pid 5081] getdents64(4, ./strace-static-x86_64: Process 5790 attached [pid 5788] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5790] set_robust_list(0x7f87c85109e0, 24 [pid 5788] symlink("/dev/binderfs", "./binderfs" [pid 5787] <... clone resumed>, parent_tid=[85], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 85 [pid 5081] getdents64(4, [pid 5788] <... symlink resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5790] <... set_robust_list resumed>) = 0 [pid 5788] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] close(4 [pid 5790] memfd_create("syzkaller", 0 [pid 5788] <... futex resumed>) = 0 [pid 5787] <... futex resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5790] <... memfd_create resumed>) = 3 [pid 5788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5787] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] rmdir("./29/file0" [pid 5790] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5788] <... mmap resumed>) = 0x7f87c84f0000 [pid 5081] <... rmdir resumed>) = 0 [pid 5790] <... mmap resumed>) = 0x7f87c00f0000 [pid 5788] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5081] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./29/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./29/cgroup.cpu" [pid 5788] <... mprotect resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5788] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] getdents64(3, ./strace-static-x86_64: Process 5791 attached 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5791] set_robust_list(0x7f87c85109e0, 24 [pid 5788] <... clone resumed>, parent_tid=[87], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 87 [pid 5081] close(3 [pid 5791] <... set_robust_list resumed>) = 0 [pid 5788] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... close resumed>) = 0 [pid 5791] memfd_create("syzkaller", 0 [pid 5788] <... futex resumed>) = 0 [pid 5081] rmdir("./29" [pid 5791] <... memfd_create resumed>) = 3 [pid 5788] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] <... rmdir resumed>) = 0 [pid 5791] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5081] mkdir("./30", 0777 [pid 5791] <... mmap resumed>) = 0x7f87c00f0000 [pid 5081] <... mkdir resumed>) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5081] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5081] close(3) = 0 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5792 attached [pid 5792] set_robust_list(0x5555565af5e0, 24) = 0 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 89 [pid 5792] chdir("./30") = 0 [pid 5792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5792] setpgid(0, 0) = 0 [pid 5792] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5792] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5792] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5792] write(3, "1000", 4) = 4 [pid 5792] close(3) = 0 [pid 5792] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5792] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5792] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5789] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5792] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5792] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5790] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 5793 attached [pid 5793] set_robust_list(0x7f87c85109e0, 24 [pid 5792] <... clone resumed>, parent_tid=[90], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 90 [pid 5793] <... set_robust_list resumed>) = 0 [pid 5792] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] memfd_create("syzkaller", 0 [pid 5792] <... futex resumed>) = 0 [pid 5793] <... memfd_create resumed>) = 3 [pid 5792] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5793] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5078] <... umount2 resumed>) = 0 [pid 5078] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./28/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5785] <... write resumed>) = 4194304 [pid 5078] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5785] munmap(0x7f87c00f0000, 4194304 [pid 5793] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5078] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5785] <... munmap resumed>) = 0 [pid 5785] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5078] <... openat resumed>) = 4 [pid 5785] <... openat resumed>) = 4 [pid 5078] fstat(4, [pid 5785] ioctl(4, LOOP_SET_FD, 3 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5791] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5078] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] close(4) = 0 [pid 5078] rmdir("./28/file0") = 0 [pid 5785] <... ioctl resumed>) = 0 [pid 5078] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5785] close(3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5785] <... close resumed>) = 0 [pid 5078] lstat("./28/cgroup.cpu", [pid 5785] mkdir("./file0", 0777 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5785] <... mkdir resumed>) = 0 [pid 5078] unlink("./28/cgroup.cpu" [pid 5785] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5078] <... unlink resumed>) = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] close(3) = 0 [pid 5078] rmdir("./28") = 0 [pid 5078] mkdir("./29", 0777) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5078] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 112.363638][ T5785] loop4: detected capacity change from 0 to 8192 [pid 5078] close(3 [pid 5790] <... write resumed>) = 4194304 [pid 5789] <... write resumed>) = 4194304 [ 112.412344][ T5785] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 112.437054][ T5785] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5078] <... close resumed>) = 0 [pid 5791] <... write resumed>) = 4194304 [pid 5790] munmap(0x7f87c00f0000, 4194304 [pid 5789] munmap(0x7f87c00f0000, 4194304 [pid 5790] <... munmap resumed>) = 0 [pid 5789] <... munmap resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5791] munmap(0x7f87c00f0000, 4194304 [pid 5790] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5789] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5789] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5795 attached [pid 5790] <... openat resumed>) = 4 [pid 5795] set_robust_list(0x5555565af5e0, 24 [pid 5791] <... munmap resumed>) = 0 [pid 5790] ioctl(4, LOOP_SET_FD, 3 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 82 [pid 5795] <... set_robust_list resumed>) = 0 [pid 5791] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5795] chdir("./29") = 0 [pid 5795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5795] setpgid(0, 0 [pid 5789] <... ioctl resumed>) = 0 [pid 5795] <... setpgid resumed>) = 0 [pid 5795] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5789] close(3 [pid 5795] <... symlink resumed>) = 0 [pid 5789] <... close resumed>) = 0 [pid 5795] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5789] mkdir("./file0", 0777 [pid 5795] <... symlink resumed>) = 0 [pid 5791] <... openat resumed>) = 4 [pid 5789] <... mkdir resumed>) = 0 [pid 5795] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5791] ioctl(4, LOOP_SET_FD, 3 [pid 5790] <... ioctl resumed>) = 0 [pid 5789] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5795] <... symlink resumed>) = 0 [pid 5795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5790] close(3 [pid 5795] <... openat resumed>) = 3 [pid 5790] <... close resumed>) = 0 [pid 5795] write(3, "1000", 4 [pid 5790] mkdir("./file0", 0777 [pid 5795] <... write resumed>) = 4 [pid 5790] <... mkdir resumed>) = 0 [ 112.457223][ T5785] REISERFS (device loop4): using ordered data mode [ 112.464603][ T5785] reiserfs: using flush barriers [ 112.481255][ T5789] loop5: detected capacity change from 0 to 8192 [ 112.491516][ T5790] loop1: detected capacity change from 0 to 8192 [ 112.506218][ T5791] loop2: detected capacity change from 0 to 8192 [pid 5795] close(3 [pid 5790] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5795] <... close resumed>) = 0 [pid 5791] <... ioctl resumed>) = 0 [pid 5795] read(200, [pid 5791] close(3 [pid 5795] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5791] <... close resumed>) = 0 [pid 5795] symlink("/dev/binderfs", "./binderfs" [pid 5791] mkdir("./file0", 0777 [pid 5795] <... symlink resumed>) = 0 [pid 5791] <... mkdir resumed>) = 0 [pid 5795] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5795] <... futex resumed>) = 0 [pid 5795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5795] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5795] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[83], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 83 [pid 5795] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5795] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5793] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 5799 attached [pid 5799] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 5799] memfd_create("syzkaller", 0) = 3 [pid 5799] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5793] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5793] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 112.520998][ T5789] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 112.523032][ T5785] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 112.556450][ T5785] REISERFS (device loop4): checking transaction log (loop4) [ 112.577043][ T5790] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 112.577178][ T5789] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 112.593102][ T5790] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 112.607321][ T5785] REISERFS (device loop4): Using r5 hash to sort names [pid 5793] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5793] close(3) = 0 [pid 5793] mkdir("./file0", 0777) = 0 [ 112.615366][ T5790] REISERFS (device loop1): using ordered data mode [ 112.629406][ T5793] loop3: detected capacity change from 0 to 8192 [ 112.629863][ T5791] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 112.635961][ T5790] reiserfs: using flush barriers [ 112.660501][ T5789] REISERFS (device loop5): using ordarams: device [ 112.660524][ T5790] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 112.660885][ T5790] REISERFS (device loop1): checking transaction log (loop1) [ 112.667374][ T5789] reiserfs: using flush barriers [ 112.668896][ T5785] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 112.685472][ T5791] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 112.692866][ T5785] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 112.704104][ T5789] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 112.713853][ T5793] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 112.721950][ T5791] REISERFS (device loop2): using ordered data mode [pid 5793] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5785] <... mount resumed>) = 0 [pid 5785] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5785] chdir("./file0") = 0 [pid 5785] ioctl(4, LOOP_CLR_FD) = 0 [pid 5785] close(4) = 0 [pid 5785] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5784] <... futex resumed>) = 0 [pid 5785] mkdir("./file1", 000 [pid 5784] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... mkdir resumed>) = 0 [pid 5784] <... futex resumed>) = 0 [pid 5785] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5785] <... futex resumed>) = 0 [pid 5784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5785] mkdir("./bus", 000 [pid 5784] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... mkdir resumed>) = 0 [pid 5784] <... futex resumed>) = 0 [pid 5784] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5785] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] <... futex resumed>) = 0 [pid 5784] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5784] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5785] <... futex resumed>) = 1 [pid 5785] mkdir("./file0", 000) = 0 [pid 5785] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] <... futex resumed>) = 0 [pid 5784] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5784] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5785] <... futex resumed>) = 1 [pid 5785] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 112.730641][ T5793] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 112.781345][ T5793] REISERFS (device loop3): using ordered data mode [ 112.786214][ T5789] REISERFS (device loop5): checking transaction log (loop5) [ 112.790313][ T5793] reiserfs: using flush barriers [ 112.807207][ T5785] overlayfs: upper fs needs to support d_type. [ 112.810254][ T5790] REISERFS (device loop1): Using r5 hash to sort names [pid 5799] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5784] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5784] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5784] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5784] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[86], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 86 [pid 5784] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5784] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5801 attached [pid 5801] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 5801] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5801] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5785] <... mount resumed>) = 0 [pid 5785] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 112.815519][ T5785] overlayfs: upper fs does not support tmpfile. [ 112.828306][ T5789] REISERFS (device loop5): Using r5 hash to sort names [ 112.835458][ T5785] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 112.837743][ T5791] reiserfs: using flush barriers [ 112.855954][ T5793] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 112.875892][ T5793] REISERFS (device loop3): checking transaction log (loop3) [ 112.884708][ T5790] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 112.888378][ T5789] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 112.900770][ T5790] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5785] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5801] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5799] <... write resumed>) = 4194304 [pid 5790] <... mount resumed>) = 0 [pid 5801] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5790] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5801] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5790] <... openat resumed>) = 3 [pid 5790] chdir("./file0") = 0 [pid 5790] ioctl(4, LOOP_CLR_FD) = 0 [pid 5790] close(4 [pid 5799] munmap(0x7f87c00f0000, 4194304 [pid 5790] <... close resumed>) = 0 [pid 5784] <... futex resumed>) = 0 [pid 5799] <... munmap resumed>) = 0 [pid 5790] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5790] <... futex resumed>) = 1 [pid 5787] <... futex resumed>) = 0 [pid 5785] <... futex resumed>) = 0 [pid 5784] <... futex resumed>) = 1 [pid 5799] <... openat resumed>) = 4 [pid 5790] mkdir("./file1", 000 [pid 5787] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] unlink(NULL [ 112.923700][ T5793] REISERFS (device loop3): unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 112.923705][ T5801] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 112.948641][ T5791] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 112.965561][ T5789] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5784] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5799] ioctl(4, LOOP_SET_FD, 3 [pid 5790] <... mkdir resumed>) = 0 [pid 5787] <... futex resumed>) = 0 [pid 5785] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5785] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5784] <... futex resumed>) = 0 [pid 5785] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5784] close(3) = 0 [pid 5784] close(4) = -1 EBADF (Bad file descriptor) [pid 5784] close(5) = -1 EBADF (Bad file descriptor) [pid 5784] close(6) = -1 EBADF (Bad file descriptor) [pid 5784] close(7) = -1 EBADF (Bad file descriptor) [pid 5784] close(8) = -1 EBADF (Bad file descriptor) [pid 5784] close(9) = -1 EBADF (Bad file descriptor) [pid 5784] close(10) = -1 EBADF (Bad file descriptor) [pid 5784] close(11) = -1 EBADF (Bad file descriptor) [pid 5784] close(12) = -1 EBADF (Bad file descriptor) [pid 5784] close(13) = -1 EBADF (Bad file descriptor) [pid 5784] close(14) = -1 EBADF (Bad file descriptor) [pid 5784] close(15) = -1 EBADF (Bad file descriptor) [pid 5784] close(16 [pid 5799] <... ioctl resumed>) = 0 [pid 5784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] close(3 [pid 5784] close(17 [pid 5799] <... close resumed>) = 0 [pid 5784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] mkdir("./file0", 0777 [pid 5784] close(18 [pid 5799] <... mkdir resumed>) = 0 [pid 5784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5790] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5789] <... mount resumed>) = 0 [pid 5784] close(19 [pid 5789] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] <... openat resumed>) = 3 [pid 5784] close(20 [pid 5789] chdir("./file0" [pid 5784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] <... chdir resumed>) = 0 [pid 5784] close(21 [pid 5789] ioctl(4, LOOP_CLR_FD [pid 5784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] <... ioctl resumed>) = 0 [pid 5784] close(22 [pid 5789] close(4 [pid 5784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] <... close resumed>) = 0 [pid 5784] close(23 [pid 5789] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5790] <... futex resumed>) = 0 [pid 5789] <... futex resumed>) = 1 [pid 5787] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = 0 [pid 5784] close(24 [pid 5789] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5786] <... futex resumed>) = 0 [pid 5784] close(25 [pid 5789] mkdir("./file1", 000 [pid 5786] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] <... mkdir resumed>) = 0 [pid 5784] close(26 [pid 5789] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] <... futex resumed>) = 1 [pid 5786] <... futex resumed>) = 0 [pid 5784] close(27 [pid 5789] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5786] <... futex resumed>) = 0 [pid 5784] close(28 [pid 5789] mkdir("./bus", 000 [pid 5786] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] <... mkdir resumed>) = 0 [pid 5784] close(29 [pid 5789] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] <... futex resumed>) = 1 [pid 5786] <... futex resumed>) = 0 [pid 5784] exit_group(0 [pid 5801] <... futex resumed>) = ? [pid 5789] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... futex resumed>) = ? [ 112.985894][ T5799] loop0: detected capacity change from 0 to 8192 [ 112.987180][ T5793] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 113.006246][ T5793] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 113.018135][ T5791] REISERFS (device loop2): checking transaction log (loop2) [pid 5784] <... exit_group resumed>) = ? [pid 5787] <... futex resumed>) = 0 [pid 5801] +++ exited with 0 +++ [pid 5790] mkdir("./bus", 000 [pid 5789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5786] <... futex resumed>) = 0 [pid 5785] +++ exited with 0 +++ [pid 5784] +++ exited with 0 +++ [pid 5789] mkdir("./file0", 000 [pid 5786] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5789] <... mkdir resumed>) = 0 [pid 5789] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5786] <... futex resumed>) = 0 [pid 5789] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5786] <... futex resumed>) = 0 [pid 5789] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5786] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5793] <... mount resumed>) = 0 [pid 5790] <... mkdir resumed>) = 0 [pid 5787] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5793] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5793] chdir("./file0") = 0 [pid 5793] ioctl(4, LOOP_CLR_FD) = 0 [pid 5793] close(4 [pid 5790] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... close resumed>) = 0 [pid 5793] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5793] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5792] <... futex resumed>) = 0 [pid 5792] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] <... futex resumed>) = 1 [pid 5787] <... futex resumed>) = 0 [ 113.036641][ T5799] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 113.053348][ T5789] overlayfs: upper fs needs to support d_type. [ 113.053940][ T5799] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 113.064752][ T5789] overlayfs: upper fs does not support tmpfile. [pid 5793] <... futex resumed>) = 0 [pid 5792] <... futex resumed>) = 1 [pid 5790] mkdir("./file0", 000 [pid 5787] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5080] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5792] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5787] <... futex resumed>) = 0 [pid 5793] mkdir("./file1", 000 [pid 5790] <... mkdir resumed>) = 0 [pid 5787] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5790] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5790] <... futex resumed>) = 0 [pid 5787] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... mkdir resumed>) = 0 [pid 5790] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5787] <... futex resumed>) = 0 [pid 5786] <... futex resumed>) = 0 [pid 5080] <... openat resumed>) = 3 [pid 5793] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5793] <... futex resumed>) = 1 [pid 5792] <... futex resumed>) = 0 [pid 5786] <... mmap resumed>) = 0x7f87c04cf000 [pid 5080] fstat(3, [pid 5793] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5786] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[89], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 89 [pid 5786] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = 0 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5786] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5793] <... futex resumed>) = 0 [pid 5792] <... futex resumed>) = 1 [pid 5080] getdents64(3, [pid 5793] mkdir("./bus", 000) = 0 [ 113.084554][ T5791] REISERFS (device loop2): Using r5 hash to sort names [ 113.087651][ T5799] REISERFS (device loop0): using ordered data mode [ 113.109543][ T5790] overlayfs: upper fs needs to support d_type. [ 113.119005][ T5799] reiserfs: using flush barriers [ 113.121707][ T5789] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5792] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5793] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5793] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5792] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5793] <... futex resumed>) = 0 [pid 5792] <... futex resumed>) = 1 [pid 5080] lstat("./31/binderfs", [pid 5793] mkdir("./file0", 000 [pid 5792] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5793] <... mkdir resumed>) = 0 [pid 5793] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5793] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5803 attached [pid 5792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5789] <... mount resumed>) = 0 [pid 5787] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 113.136072][ T5799] 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 [ 113.156327][ T5790] overlayfs: upper fs does not support tmpfile. [ 113.160831][ T5791] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 113.171013][ T5790] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5080] unlink("./31/binderfs" [pid 5792] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... unlink resumed>) = 0 [pid 5803] set_robust_list(0x7f87c04ef9e0, 24 [pid 5792] <... futex resumed>) = 1 [pid 5791] <... mount resumed>) = 0 [pid 5790] <... mount resumed>) = 0 [pid 5789] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5793] <... futex resumed>) = 0 [pid 5792] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5789] <... futex resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5789] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5787] <... futex resumed>) = 0 [pid 5080] lstat("./31/cgroup", [pid 5803] <... set_robust_list resumed>) = 0 [pid 5791] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5803] mkdir(".", 0777 [pid 5791] <... openat resumed>) = 3 [pid 5787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5793] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] unlink("./31/cgroup") = 0 [pid 5080] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5787] <... mmap resumed>) = 0x7f87c04cf000 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./31/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./31/cgroup.net") = 0 [pid 5080] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5803] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5791] chdir("./file0" [pid 5787] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5790] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 113.180282][ T5799] REISERFS (device loop0): checking transaction log (loop0) [ 113.186562][ T5791] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 113.196705][ T5799] REISERFS (device loop0): Using r5 hash to sort names [ 113.221324][ T5793] overlayfs: upper fs needs to support d_type. [pid 5790] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5803] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5791] <... chdir resumed>) = 0 [pid 5787] <... mprotect resumed>) = 0 [pid 5791] ioctl(4, LOOP_CLR_FD [pid 5787] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5791] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5804 attached [ 113.224467][ T5799] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 113.233156][ T5793] overlayfs: upper fs does not support tmpfile. [ 113.258072][ T5793] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 113.263751][ T5803] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5791] close(4 [pid 5804] set_robust_list(0x7f87c04ef9e0, 24 [pid 5791] <... close resumed>) = 0 [pid 5787] <... clone resumed>, parent_tid=[86], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 86 [pid 5804] <... set_robust_list resumed>) = 0 [pid 5804] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5803] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5799] <... mount resumed>) = 0 [pid 5793] <... mount resumed>) = 0 [pid 5792] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5791] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] <... futex resumed>) = 0 [pid 5803] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5793] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... futex resumed>) = 1 [pid 5788] <... futex resumed>) = 0 [pid 5787] <... futex resumed>) = 1 [pid 5804] mkdir(".", 0777 [pid 5803] <... futex resumed>) = 1 [pid 5799] <... openat resumed>) = 3 [pid 5793] <... futex resumed>) = 0 [pid 5792] <... futex resumed>) = 0 [pid 5791] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5788] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5786] <... futex resumed>) = 0 [pid 5804] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5803] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5799] chdir("./file0" [pid 5793] mkdir(".", 0777 [pid 5792] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5788] <... futex resumed>) = 0 [pid 5786] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5804] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5799] <... chdir resumed>) = 0 [pid 5793] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5791] mkdir("./file1", 000 [pid 5789] <... futex resumed>) = 0 [pid 5788] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] <... futex resumed>) = 1 [ 113.279557][ T5799] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5799] ioctl(4, LOOP_CLR_FD [pid 5793] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5791] <... mkdir resumed>) = 0 [pid 5789] unlink(NULL [pid 5786] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5799] <... ioctl resumed>) = 0 [pid 5791] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] close(4 [pid 5791] <... futex resumed>) = 1 [pid 5788] <... futex resumed>) = 0 [pid 5799] <... close resumed>) = 0 [pid 5791] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5788] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5788] <... futex resumed>) = 0 [pid 5799] <... futex resumed>) = 1 [pid 5795] <... futex resumed>) = 0 [pid 5791] mkdir("./bus", 000 [pid 5788] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5799] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... mkdir resumed>) = 0 [pid 5799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5795] <... futex resumed>) = 0 [pid 5791] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] mkdir("./file1", 000 [pid 5795] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5791] <... futex resumed>) = 1 [pid 5788] <... futex resumed>) = 0 [pid 5799] <... mkdir resumed>) = 0 [pid 5791] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5788] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5788] <... futex resumed>) = 0 [pid 5799] <... futex resumed>) = 1 [pid 5795] <... futex resumed>) = 0 [pid 5791] mkdir("./file0", 000 [pid 5788] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5799] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... mkdir resumed>) = 0 [pid 5789] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5795] <... futex resumed>) = 0 [pid 5791] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] mkdir("./bus", 000 [pid 5795] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5791] <... futex resumed>) = 1 [pid 5788] <... futex resumed>) = 0 [pid 5799] <... mkdir resumed>) = 0 [pid 5791] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5788] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5788] <... futex resumed>) = 0 [pid 5799] <... futex resumed>) = 1 [ 113.332444][ T5804] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 113.350735][ T5793] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5795] <... futex resumed>) = 0 [pid 5791] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5788] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5799] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5795] <... futex resumed>) = 0 [pid 5789] <... futex resumed>) = 0 [pid 5786] close(3 [pid 5799] mkdir("./file0", 000 [pid 5795] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5789] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5786] <... close resumed>) = 0 [pid 5799] <... mkdir resumed>) = 0 [pid 5786] close(4 [pid 5799] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] <... futex resumed>) = 1 [pid 5795] <... futex resumed>) = 0 [pid 5786] close(5 [pid 5799] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5795] <... futex resumed>) = 0 [pid 5786] close(6 [pid 5799] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5795] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(7) = -1 EBADF (Bad file descriptor) [pid 5786] close(8) = -1 EBADF (Bad file descriptor) [pid 5793] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5786] close(9 [pid 5793] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5793] <... futex resumed>) = 1 [pid 5792] <... futex resumed>) = 0 [ 113.377782][ T5791] overlayfs: upper fs needs to support d_type. [ 113.398011][ T5791] overlayfs: upper fs does not support tmpfile. [ 113.421946][ T5799] overlayfs: upper fs needs to support d_type. [pid 5786] close(10 [pid 5793] unlink(NULL [pid 5792] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = 0 [pid 5804] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5793] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5792] <... futex resumed>) = 0 [pid 5786] close(11 [pid 5804] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5793] <... futex resumed>) = 0 [pid 5792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5786] close(12 [pid 5793] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5792] close(3 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] <... close resumed>) = 0 [pid 5786] close(13 [pid 5792] close(4 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(14 [pid 5804] <... futex resumed>) = 1 [pid 5792] close(5 [pid 5787] <... futex resumed>) = 0 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5804] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] close(15 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5792] close(6 [pid 5790] <... futex resumed>) = 0 [pid 5787] <... futex resumed>) = 1 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./31/file0", [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5790] unlink(NULL [pid 5787] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] close(16 [pid 5792] close(7 [pid 5790] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5790] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] close(17 [pid 5080] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5792] close(8 [pid 5790] <... futex resumed>) = 1 [pid 5787] <... futex resumed>) = 0 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5790] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5787] close(3 [pid 5786] close(18 [pid 5792] close(9 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(19 [pid 5792] close(10 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(20 [pid 5792] close(11 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = 0 [pid 5786] close(21 [pid 5080] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5799] <... mount resumed>) = 0 [pid 5795] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5792] close(12 [pid 5788] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5787] close(4 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... openat resumed>) = 4 [pid 5799] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] fstat(4, [pid 5799] <... futex resumed>) = 0 [pid 5787] close(5 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5799] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(4, [pid 5787] close(6 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(4, [pid 5787] close(7 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(4 [pid 5787] close(8 [pid 5080] <... close resumed>) = 0 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] rmdir("./31/file0" [pid 5795] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] close(9 [pid 5786] close(22 [pid 5080] <... rmdir resumed>) = 0 [pid 5788] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] <... futex resumed>) = 0 [pid 5795] <... futex resumed>) = 1 [pid 5792] close(13 [pid 5791] <... mount resumed>) = 0 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5799] mkdir(".", 0777 [pid 5795] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] close(10 [pid 5786] close(23 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5799] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5792] close(14 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./31/cgroup.cpu", [pid 5799] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] close(11 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5792] close(15 [pid 5791] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] <... futex resumed>) = 0 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(24 [pid 5080] unlink("./31/cgroup.cpu" [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] <... futex resumed>) = 0 [pid 5788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5787] close(12 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 113.429750][ T5791] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 113.441298][ T5799] overlayfs: upper fs does not support tmpfile. [ 113.464419][ T5799] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5080] <... unlink resumed>) = 0 [pid 5792] close(16 [pid 5791] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5788] <... mmap resumed>) = 0x7f87c04cf000 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(25 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] close(17 [pid 5788] <... mprotect resumed>) = 0 [pid 5786] close(26 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5805 attached [pid 5792] close(18 [pid 5786] close(27 [pid 5805] set_robust_list(0x7f87c04ef9e0, 24 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] <... clone resumed>, parent_tid=[88], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 88 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5805] <... set_robust_list resumed>) = 0 [pid 5792] close(19 [pid 5788] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] close(28 [pid 5805] mkdir(".", 0777 [pid 5799] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] <... futex resumed>) = 0 [pid 5787] close(13 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(3, [pid 5805] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5799] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] close(20 [pid 5788] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] close(29 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5805] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5799] <... futex resumed>) = 1 [pid 5795] <... futex resumed>) = 0 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] close(14 [pid 5786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(3 [pid 5799] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = 0 [pid 5795] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] close(15 [pid 5080] rmdir("./31" [pid 5786] exit_group(0 [pid 5799] <... futex resumed>) = 0 [pid 5795] <... futex resumed>) = 1 [pid 5792] close(21 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... rmdir resumed>) = 0 [pid 5789] <... futex resumed>) = ? [pid 5786] <... exit_group resumed>) = ? [pid 5803] <... futex resumed>) = ? [pid 5799] unlink(NULL [pid 5795] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5789] +++ exited with 0 +++ [pid 5787] close(16 [pid 5080] mkdir("./32", 0777 [pid 5799] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... mkdir resumed>) = 0 [pid 5799] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] close(17 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5803] +++ exited with 0 +++ [pid 5799] <... futex resumed>) = 0 [pid 5795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5792] close(22 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5786] +++ exited with 0 +++ [pid 5080] <... openat resumed>) = 3 [pid 5799] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] close(3 [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] close(18 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5795] <... close resumed>) = 0 [pid 5792] close(23 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] close(19 [pid 5080] close(3 [pid 5795] close(4 [pid 5792] close(24 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = 0 [pid 5787] close(20 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5806 attached [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] set_robust_list(0x5555565af5e0, 24 [pid 5787] close(21 [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 87 [pid 5806] <... set_robust_list resumed>) = 0 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] chdir("./32" [pid 5787] close(22 [pid 5806] <... chdir resumed>) = 0 [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5795] close(5 [pid 5792] close(25 [pid 5787] close(23 [pid 5806] <... prctl resumed>) = 0 [pid 5805] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] setpgid(0, 0 [pid 5787] close(24 [pid 5806] <... setpgid resumed>) = 0 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5787] close(25 [pid 5806] <... symlink resumed>) = 0 [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5806] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5795] close(6 [pid 5792] close(26 [pid 5787] close(26 [pid 5806] <... symlink resumed>) = 0 [pid 5805] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5806] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5805] <... futex resumed>) = 1 [pid 5795] close(7 [pid 5792] close(27 [pid 5787] close(27 [pid 5082] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5806] <... symlink resumed>) = 0 [pid 5805] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5795] close(8 [pid 5792] close(28 [pid 5787] close(28 [pid 5082] <... openat resumed>) = 3 [pid 5806] <... openat resumed>) = 3 [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] <... futex resumed>) = 0 [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] fstat(3, [pid 5806] write(3, "1000", 4 [pid 5795] close(9 [pid 5792] close(29 [pid 5787] close(29 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5806] <... write resumed>) = 4 [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] close(3 [pid 5795] close(10 [pid 5792] exit_group(0 [pid 5787] exit_group(0 [pid 5082] getdents64(3, [pid 5806] <... close resumed>) = 0 [pid 5804] <... futex resumed>) = ? [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5793] <... futex resumed>) = ? [pid 5792] <... exit_group resumed>) = ? [pid 5790] <... futex resumed>) = ? [pid 5788] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] <... exit_group resumed>) = ? [pid 5806] read(200, [pid 5804] +++ exited with 0 +++ [pid 5795] close(11 [pid 5793] +++ exited with 0 +++ [pid 5792] +++ exited with 0 +++ [pid 5791] <... futex resumed>) = 0 [pid 5790] +++ exited with 0 +++ [pid 5788] <... futex resumed>) = 1 [pid 5787] +++ exited with 0 +++ [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5806] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5806] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5795] close(12 [pid 5791] unlink(NULL [pid 5788] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=27 /* 0.27 s */} --- [pid 5806] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5082] lstat("./30/binderfs", [pid 5081] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5806] <... futex resumed>) = 0 [pid 5795] close(13 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] unlink("./30/binderfs" [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5806] <... mmap resumed>) = 0x7f87c84f0000 [pid 5795] close(14 [pid 5806] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5082] <... unlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5806] <... mprotect resumed>) = 0 [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5791] <... futex resumed>) = 1 [pid 5788] <... futex resumed>) = 0 [pid 5082] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5806] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5795] close(15 [pid 5791] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5788] close(3 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5807 attached [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] <... close resumed>) = 0 [pid 5082] lstat("./30/cgroup", [pid 5081] <... openat resumed>) = 3 [pid 5079] <... openat resumed>) = 3 [pid 5807] set_robust_list(0x7f87c85109e0, 24 [pid 5806] <... clone resumed>, parent_tid=[88], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 88 [pid 5795] close(16 [pid 5788] close(4 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] fstat(3, [pid 5079] fstat(3, [pid 5807] <... set_robust_list resumed>) = 0 [pid 5806] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./30/cgroup" [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 113.493618][ T5799] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 113.526489][ T5805] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5807] memfd_create("syzkaller", 0 [pid 5806] <... futex resumed>) = 0 [pid 5795] close(17 [pid 5788] close(5 [pid 5082] <... unlink resumed>) = 0 [pid 5081] getdents64(3, [pid 5079] getdents64(3, [pid 5807] <... memfd_create resumed>) = 3 [pid 5806] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5807] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5795] close(18 [pid 5788] close(6 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5807] <... mmap resumed>) = 0x7f87c00f0000 [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./30/cgroup.net", [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5795] close(19 [pid 5788] close(7 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./30/binderfs", [pid 5079] lstat("./30/binderfs", [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5795] close(20 [pid 5082] unlink("./30/cgroup.net" [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] close(8 [pid 5082] <... unlink resumed>) = 0 [pid 5081] unlink("./30/binderfs" [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5795] close(21 [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... unlink resumed>) = 0 [pid 5079] unlink("./30/binderfs" [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] close(9 [pid 5081] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5795] close(22 [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5788] close(10 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./30/cgroup", [pid 5079] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5795] close(23 [pid 5788] close(11 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5795] close(24 [pid 5788] close(12 [pid 5081] unlink("./30/cgroup" [pid 5079] lstat("./30/cgroup", [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5795] close(25 [pid 5788] close(13 [pid 5081] <... unlink resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] unlink("./30/cgroup" [pid 5795] close(26 [pid 5788] close(14) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] close(15 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5795] close(27 [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./30/cgroup.net", [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] close(16 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5795] close(28 [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./30/cgroup.net", [pid 5081] unlink("./30/cgroup.net" [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] close(17 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5795] close(29 [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] unlink("./30/cgroup.net" [pid 5795] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] close(18 [pid 5795] exit_group(0 [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5799] <... futex resumed>) = ? [pid 5795] <... exit_group resumed>) = ? [pid 5788] close(19 [pid 5079] <... unlink resumed>) = 0 [pid 5799] +++ exited with 0 +++ [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5795] +++ exited with 0 +++ [pid 5788] close(20 [pid 5079] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] close(21) = -1 EBADF (Bad file descriptor) [pid 5788] close(22) = -1 EBADF (Bad file descriptor) [pid 5788] close(23) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5788] close(24) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5788] close(25 [pid 5078] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] close(26 [pid 5078] <... openat resumed>) = 3 [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5788] close(27 [pid 5078] fstat(3, [pid 5788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5788] close(28) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(3, [pid 5788] close(29) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5788] exit_group(0 [pid 5078] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5805] <... futex resumed>) = ? [pid 5791] <... futex resumed>) = ? [pid 5788] <... exit_group resumed>) = ? [pid 5805] +++ exited with 0 +++ [pid 5791] +++ exited with 0 +++ [pid 5788] +++ exited with 0 +++ [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5078] lstat("./29/binderfs", [pid 5083] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5083] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] unlink("./29/binderfs" [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./30/binderfs", [pid 5078] <... unlink resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] unlink("./30/binderfs" [pid 5078] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... unlink resumed>) = 0 [pid 5083] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5807] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5083] lstat("./30/cgroup", [pid 5078] lstat("./29/cgroup", [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5083] unlink("./30/cgroup" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5079] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] unlink("./29/cgroup" [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./30/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] lstat("./30/file0", [pid 5078] <... unlink resumed>) = 0 [pid 5083] unlink("./30/cgroup.net") = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./29/cgroup.net", [pid 5079] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] fstat(4, [pid 5078] unlink("./29/cgroup.net" [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(4, [pid 5078] <... unlink resumed>) = 0 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] close(4) = 0 [pid 5079] rmdir("./30/file0") = 0 [pid 5079] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./30/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./30/cgroup.cpu") = 0 [pid 5079] getdents64(3, [pid 5081] <... umount2 resumed>) = 0 [pid 5081] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] close(3 [pid 5081] lstat("./30/file0", [pid 5079] <... close resumed>) = 0 [pid 5079] rmdir("./30") = 0 [pid 5079] mkdir("./31", 0777) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] close(3 [pid 5082] <... umount2 resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5081] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./30/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5808 attached [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 87 [pid 5808] set_robust_list(0x5555565af5e0, 24 [pid 5081] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5808] <... set_robust_list resumed>) = 0 [pid 5808] chdir("./31") = 0 [pid 5808] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5081] <... openat resumed>) = 4 [pid 5808] <... prctl resumed>) = 0 [pid 5808] setpgid(0, 0) = 0 [pid 5081] fstat(4, [pid 5808] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(4, [pid 5808] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5808] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5081] getdents64(4, [pid 5808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5808] <... openat resumed>) = 3 [pid 5081] close(4) = 0 [pid 5808] write(3, "1000", 4) = 4 [pid 5082] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5808] close(3 [pid 5081] rmdir("./30/file0" [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5808] <... close resumed>) = 0 [pid 5082] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5808] read(200, [pid 5082] <... openat resumed>) = 4 [pid 5081] <... rmdir resumed>) = 0 [pid 5808] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] fstat(4, [pid 5081] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5808] symlink("/dev/binderfs", "./binderfs" [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5808] <... symlink resumed>) = 0 [pid 5082] getdents64(4, [pid 5081] lstat("./30/cgroup.cpu", [pid 5808] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5808] <... futex resumed>) = 0 [pid 5082] getdents64(4, [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./30/cgroup.cpu" [pid 5808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5808] <... mmap resumed>) = 0x7f87c84f0000 [pid 5082] close(4 [pid 5808] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5082] <... close resumed>) = 0 [pid 5081] getdents64(3, [pid 5808] <... mprotect resumed>) = 0 [pid 5082] rmdir("./30/file0" [pid 5808] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] <... rmdir resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5809 attached [pid 5082] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5809] set_robust_list(0x7f87c85109e0, 24 [pid 5808] <... clone resumed>, parent_tid=[88], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 88 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] close(3 [pid 5809] <... set_robust_list resumed>) = 0 [pid 5808] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] lstat("./30/cgroup.cpu", [pid 5809] memfd_create("syzkaller", 0 [pid 5808] <... futex resumed>) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] <... close resumed>) = 0 [pid 5809] <... memfd_create resumed>) = 3 [pid 5808] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] unlink("./30/cgroup.cpu" [pid 5809] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5082] <... unlink resumed>) = 0 [pid 5081] rmdir("./30" [pid 5809] <... mmap resumed>) = 0x7f87c00f0000 [pid 5082] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5081] <... rmdir resumed>) = 0 [pid 5082] close(3) = 0 [pid 5081] mkdir("./31", 0777 [pid 5082] rmdir("./30") = 0 [pid 5081] <... mkdir resumed>) = 0 [pid 5082] mkdir("./31", 0777) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5078] <... umount2 resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5081] <... openat resumed>) = 3 [pid 5078] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5082] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... umount2 resumed>) = 0 [pid 5083] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./30/file0", [pid 5081] close(3 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... close resumed>) = 0 [pid 5083] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5083] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5083] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] close(4) = 0 [pid 5083] rmdir("./30/file0") = 0 [pid 5082] close(3 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] <... close resumed>) = 0 [pid 5083] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./30/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./30/cgroup.cpu") = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 91 ./strace-static-x86_64: Process 5810 attached [pid 5810] set_robust_list(0x5555565af5e0, 24) = 0 [pid 5810] chdir("./31") = 0 [pid 5810] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5811 attached ) = 0 [pid 5811] set_robust_list(0x5555565af5e0, 24 [pid 5810] setpgid(0, 0 [pid 5811] <... set_robust_list resumed>) = 0 [pid 5810] <... setpgid resumed>) = 0 [pid 5811] chdir("./31" [pid 5810] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5811] <... chdir resumed>) = 0 [pid 5810] <... symlink resumed>) = 0 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 90 [pid 5811] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5810] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5811] <... prctl resumed>) = 0 [pid 5810] <... symlink resumed>) = 0 [pid 5811] setpgid(0, 0) = 0 [pid 5811] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5078] lstat("./29/file0", [pid 5811] <... symlink resumed>) = 0 [pid 5810] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5811] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5810] <... symlink resumed>) = 0 [pid 5078] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5811] <... symlink resumed>) = 0 [pid 5810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5811] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5810] <... openat resumed>) = 3 [pid 5083] getdents64(3, [pid 5078] <... openat resumed>) = 4 [pid 5078] fstat(4, [pid 5811] <... symlink resumed>) = 0 [pid 5810] write(3, "1000", 4 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(4, [pid 5811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5810] <... write resumed>) = 4 [pid 5083] close(3 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5811] <... openat resumed>) = 3 [pid 5810] close(3 [pid 5083] <... close resumed>) = 0 [pid 5811] write(3, "1000", 4 [pid 5810] <... close resumed>) = 0 [pid 5083] rmdir("./30" [pid 5078] getdents64(4, [pid 5811] <... write resumed>) = 4 [pid 5810] read(200, [pid 5083] <... rmdir resumed>) = 0 [pid 5811] close(3 [pid 5810] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] mkdir("./31", 0777 [pid 5811] <... close resumed>) = 0 [pid 5810] symlink("/dev/binderfs", "./binderfs" [pid 5083] <... mkdir resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5811] read(200, [pid 5810] <... symlink resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5811] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5810] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... openat resumed>) = 3 [pid 5811] symlink("/dev/binderfs", "./binderfs" [pid 5810] <... futex resumed>) = 0 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5811] <... symlink resumed>) = 0 [pid 5810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5807] <... write resumed>) = 4194304 [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] close(4 [pid 5811] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] <... mmap resumed>) = 0x7f87c84f0000 [pid 5809] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5807] munmap(0x7f87c00f0000, 4194304 [pid 5083] close(3 [pid 5811] <... futex resumed>) = 0 [pid 5810] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5807] <... munmap resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5811] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5810] <... mprotect resumed>) = 0 [pid 5807] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5812 attached [pid 5811] <... mmap resumed>) = 0x7f87c84f0000 [pid 5810] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5807] <... openat resumed>) = 4 [pid 5078] rmdir("./29/file0"./strace-static-x86_64: Process 5813 attached [pid 5812] set_robust_list(0x5555565af5e0, 24 [pid 5811] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5807] ioctl(4, LOOP_SET_FD, 3 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 89 [pid 5813] set_robust_list(0x7f87c85109e0, 24 [pid 5812] <... set_robust_list resumed>) = 0 [pid 5811] <... mprotect resumed>) = 0 [pid 5810] <... clone resumed>, parent_tid=[92], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 92 [pid 5078] <... rmdir resumed>) = 0 [pid 5813] <... set_robust_list resumed>) = 0 [pid 5811] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5810] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5814 attached [pid 5813] memfd_create("syzkaller", 0 [pid 5812] chdir("./31" [pid 5810] <... futex resumed>) = 0 [pid 5078] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5814] set_robust_list(0x7f87c85109e0, 24 [pid 5813] <... memfd_create resumed>) = 3 [pid 5811] <... clone resumed>, parent_tid=[91], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 91 [pid 5810] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5814] <... set_robust_list resumed>) = 0 [pid 5813] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5812] <... chdir resumed>) = 0 [pid 5811] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5814] memfd_create("syzkaller", 0 [pid 5813] <... mmap resumed>) = 0x7f87c00f0000 [pid 5812] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5811] <... futex resumed>) = 0 [pid 5814] <... memfd_create resumed>) = 3 [pid 5811] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] lstat("./29/cgroup.cpu", [pid 5814] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5812] <... prctl resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5812] setpgid(0, 0 [pid 5078] unlink("./29/cgroup.cpu" [pid 5812] <... setpgid resumed>) = 0 [pid 5807] <... ioctl resumed>) = 0 [pid 5807] close(3 [pid 5078] <... unlink resumed>) = 0 [pid 5812] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5807] <... close resumed>) = 0 [pid 5078] getdents64(3, [pid 5807] mkdir("./file0", 0777 [pid 5812] <... symlink resumed>) = 0 [pid 5807] <... mkdir resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5812] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5078] close(3 [pid 5807] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5078] <... close resumed>) = 0 [pid 5078] rmdir("./29" [pid 5812] <... symlink resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5812] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5078] mkdir("./30", 0777 [pid 5812] <... symlink resumed>) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 5812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 113.954444][ T5807] loop4: detected capacity change from 0 to 8192 [pid 5812] write(3, "1000", 4 [pid 5078] <... openat resumed>) = 3 [pid 5812] <... write resumed>) = 4 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5812] close(3 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5814] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5812] <... close resumed>) = 0 [pid 5078] close(3 [pid 5812] read(200, [pid 5809] <... write resumed>) = 4194304 [pid 5078] <... close resumed>) = 0 [pid 5812] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5809] munmap(0x7f87c00f0000, 4194304 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5812] symlink("/dev/binderfs", "./binderfs" [pid 5809] <... munmap resumed>) = 0 [ 114.017326][ T5807] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5809] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5809] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5816 attached [pid 5812] <... symlink resumed>) = 0 [pid 5812] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 84 [pid 5816] set_robust_list(0x5555565af5e0, 24 [pid 5812] <... futex resumed>) = 0 [pid 5812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5816] <... set_robust_list resumed>) = 0 [pid 5812] <... mmap resumed>) = 0x7f87c84f0000 [pid 5812] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5816] chdir("./30" [pid 5812] <... mprotect resumed>) = 0 [pid 5812] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5816] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5817 attached [pid 5812] <... clone resumed>, parent_tid=[90], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 90 [pid 5817] set_robust_list(0x7f87c85109e0, 24 [pid 5816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5812] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... set_robust_list resumed>) = 0 [pid 5812] <... futex resumed>) = 0 [pid 5816] <... prctl resumed>) = 0 [pid 5817] memfd_create("syzkaller", 0 [pid 5812] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5816] setpgid(0, 0 [pid 5817] <... memfd_create resumed>) = 3 [pid 5817] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5816] <... setpgid resumed>) = 0 [pid 5817] <... mmap resumed>) = 0x7f87c00f0000 [pid 5816] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5809] <... ioctl resumed>) = 0 [pid 5816] <... symlink resumed>) = 0 [pid 5809] close(3 [pid 5816] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5809] <... close resumed>) = 0 [pid 5816] <... symlink resumed>) = 0 [pid 5813] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5809] mkdir("./file0", 0777 [pid 5816] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5809] <... mkdir resumed>) = 0 [pid 5809] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5816] <... symlink resumed>) = 0 [ 114.060011][ T5809] loop1: detected capacity change from 0 to 8192 [pid 5816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5817] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5816] <... openat resumed>) = 3 [pid 5816] write(3, "1000", 4) = 4 [pid 5816] close(3) = 0 [pid 5816] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5816] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5816] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5814] <... write resumed>) = 4194304 [pid 5816] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5816] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[85], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 85 [pid 5816] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5816] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5819 attached [pid 5819] set_robust_list(0x7f87c85109e0, 24 [pid 5814] munmap(0x7f87c00f0000, 4194304 [pid 5819] <... set_robust_list resumed>) = 0 [pid 5819] memfd_create("syzkaller", 0 [pid 5814] <... munmap resumed>) = 0 [pid 5819] <... memfd_create resumed>) = 3 [pid 5819] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5814] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5819] <... mmap resumed>) = 0x7f87c00f0000 [pid 5814] <... openat resumed>) = 4 [ 114.110606][ T5807] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 114.122403][ T5809] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5814] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5814] close(3) = 0 [pid 5817] <... write resumed>) = 4194304 [pid 5814] mkdir("./file0", 0777 [pid 5817] munmap(0x7f87c00f0000, 4194304 [pid 5814] <... mkdir resumed>) = 0 [pid 5817] <... munmap resumed>) = 0 [pid 5814] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5817] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 114.188923][ T5814] loop5: detected capacity change from 0 to 8192 [ 114.189543][ T5807] REISERFS (device loop4): using ordered data mode [ 114.209174][ T5809] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 114.222966][ T5809] REISERFS (device loop1): using ordered data mode [pid 5817] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5817] close(3) = 0 [pid 5817] mkdir("./file0", 0777) = 0 [ 114.233871][ T5809] reiserfs: using flush barriers [ 114.241273][ T5817] loop2: detected capacity change from 0 to 8192 [ 114.254155][ T5807] reiserfs: using flush barriers [ 114.254299][ T5809] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5817] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5819] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5813] <... write resumed>) = 4194304 [pid 5813] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5813] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 114.279619][ T5814] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 114.296208][ T5817] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 114.308722][ T5813] loop3: detected capacity change from 0 to 8192 [pid 5813] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5813] close(3) = 0 [ 114.322310][ T5807] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 114.322769][ T5807] REISERFS (device loop4): checking transaction log (loop4) [ 114.344404][ T5809] REISERFS (device loop1): checking transaction log (loop1) [ 114.362320][ T5814] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 114.374311][ T5817] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5813] mkdir("./file0", 0777 [pid 5819] <... write resumed>) = 4194304 [pid 5813] <... mkdir resumed>) = 0 [pid 5819] munmap(0x7f87c00f0000, 4194304 [pid 5813] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5819] <... munmap resumed>) = 0 [pid 5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5819] ioctl(4, LOOP_SET_FD, 3) = 0 [ 114.374828][ T5814] REISERFS (device loop5): using ordered data mode [ 114.388601][ T5817] REISERFS (device loop2): using ordered data mode [ 114.391863][ T5814] reiserfs: using flush barriers [ 114.399537][ T5817] reiserfs: using flush barriers [ 114.411360][ T5814] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 114.414277][ T5819] loop0: detected capacity change from 0 to 8192 [pid 5819] close(3) = 0 [pid 5819] mkdir("./file0", 0777) = 0 [ 114.432401][ T5809] REISERFS (device loop1): Using r5 hash to sort names [ 114.454914][ T5814] REISERFS (device loop5): checking transaction log (loop5) [ 114.457071][ T5813] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 114.467723][ T5817] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 114.510713][ T5807] REISERFS (device loop4): Using r5 hash to sort names [ 114.511223][ T5809] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 114.520330][ T5819] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 114.537900][ T5814] REISERFS (device loop5): Using r5 hash to sort names [ 114.555158][ T5813] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 114.566723][ T5809] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5819] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5809] <... mount resumed>) = 0 [ 114.576694][ T5807] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 114.589908][ T5814] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 114.604702][ T5807] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 114.619631][ T5814] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5809] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5809] chdir("./file0") = 0 [pid 5809] ioctl(4, LOOP_CLR_FD) = 0 [pid 5814] <... mount resumed>) = 0 [pid 5809] close(4 [pid 5814] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5809] <... close resumed>) = 0 [pid 5809] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5808] <... futex resumed>) = 0 [pid 5809] mkdir("./file1", 000 [pid 5808] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] <... mkdir resumed>) = 0 [pid 5808] <... futex resumed>) = 0 [ 114.631663][ T5813] REISERFS (device loop3): using ordered data mode [ 114.667510][ T5817] REISERFS (device loop2): checking transaction log (loop2) [ 114.677738][ T5819] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5814] <... openat resumed>) = 3 [pid 5809] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5809] <... futex resumed>) = 0 [pid 5808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5807] <... mount resumed>) = 0 [pid 5814] chdir("./file0" [pid 5809] mkdir("./bus", 000 [pid 5808] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5814] <... chdir resumed>) = 0 [pid 5809] <... mkdir resumed>) = 0 [pid 5808] <... futex resumed>) = 0 [pid 5807] <... openat resumed>) = 3 [pid 5814] ioctl(4, LOOP_CLR_FD [pid 5809] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5807] chdir("./file0" [pid 5814] <... ioctl resumed>) = 0 [pid 5809] <... futex resumed>) = 0 [pid 5808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5807] <... chdir resumed>) = 0 [pid 5814] close(4 [pid 5809] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5808] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] ioctl(4, LOOP_CLR_FD [pid 5814] <... close resumed>) = 0 [pid 5809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5808] <... futex resumed>) = 0 [pid 5807] <... ioctl resumed>) = 0 [pid 5814] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] mkdir("./file0", 000 [pid 5808] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5807] close(4 [pid 5814] <... futex resumed>) = 1 [pid 5811] <... futex resumed>) = 0 [pid 5809] <... mkdir resumed>) = 0 [pid 5807] <... close resumed>) = 0 [pid 5814] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5811] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5811] <... futex resumed>) = 0 [pid 5809] <... futex resumed>) = 1 [pid 5808] <... futex resumed>) = 0 [pid 5807] <... futex resumed>) = 1 [pid 5806] <... futex resumed>) = 0 [pid 5814] mkdir("./file1", 000 [pid 5811] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5809] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5808] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... mkdir resumed>) = 0 [pid 5809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5808] <... futex resumed>) = 0 [pid 5807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5806] <... futex resumed>) = 0 [pid 5814] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5808] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5807] mkdir("./file1", 000 [ 114.688265][ T5813] reiserfs: using flush barriers [ 114.689892][ T5817] REISERFS (device loop2): Using r5 hash to sort names [ 114.702318][ T5817] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 114.716523][ T5813] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5806] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] <... futex resumed>) = 1 [pid 5811] <... futex resumed>) = 0 [pid 5807] <... mkdir resumed>) = 0 [pid 5814] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5811] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5811] <... futex resumed>) = 0 [pid 5807] <... futex resumed>) = 1 [pid 5806] <... futex resumed>) = 0 [pid 5814] mkdir("./bus", 000 [pid 5811] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5807] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... mkdir resumed>) = 0 [pid 5807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5806] <... futex resumed>) = 0 [pid 5814] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] mkdir("./bus", 000 [pid 5806] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] <... futex resumed>) = 1 [pid 5811] <... futex resumed>) = 0 [pid 5807] <... mkdir resumed>) = 0 [pid 5814] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5811] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 114.738753][ T5819] REISERFS (device loop0): using ordered data mode [ 114.748003][ T5809] overlayfs: upper fs needs to support d_type. [ 114.760624][ T5819] reiserfs: using flush barriers [ 114.768721][ T5817] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5811] <... futex resumed>) = 0 [pid 5807] <... futex resumed>) = 1 [pid 5806] <... futex resumed>) = 0 [pid 5817] <... mount resumed>) = 0 [pid 5814] mkdir("./file0", 000 [pid 5811] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5807] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... mkdir resumed>) = 0 [pid 5807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5806] <... futex resumed>) = 0 [pid 5817] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5814] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] mkdir("./file0", 000 [pid 5806] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] <... futex resumed>) = 1 [pid 5811] <... futex resumed>) = 0 [pid 5807] <... mkdir resumed>) = 0 [pid 5814] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5811] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... openat resumed>) = 3 [pid 5814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5811] <... futex resumed>) = 0 [pid 5807] <... futex resumed>) = 1 [pid 5806] <... futex resumed>) = 0 [pid 5817] chdir("./file0" [pid 5814] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5811] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5808] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5807] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5806] <... futex resumed>) = 0 [pid 5807] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 114.779202][ T5819] 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 [ 114.789401][ T5809] overlayfs: upper fs does not support tmpfile. [ 114.799768][ T5819] REISERFS (device loop0): checking transaction log (loop0) [ 114.815717][ T5813] REISERFS (device loop3): checking transaction log (loop3) [ 114.828419][ T5819] REISERFS (device loop0): Using r5 hash to sort names [pid 5806] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] <... chdir resumed>) = 0 [pid 5808] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5806] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5806] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5806] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5824 attached [pid 5824] set_robust_list(0x7f87c04ef9e0, 24 [pid 5806] <... clone resumed>, parent_tid=[89], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 89 [pid 5824] <... set_robust_list resumed>) = 0 [pid 5806] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] mkdir(".", 0777 [pid 5806] <... futex resumed>) = 0 [ 114.837932][ T5814] overlayfs: upper fs needs to support d_type. [ 114.838541][ T5813] REISERFS (device loop3): Using r5 hash to sort names [ 114.844720][ T5814] overlayfs: upper fs does not support tmpfile. [ 114.852298][ T5819] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 114.866281][ T5809] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 114.875862][ T5814] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5824] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5806] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5824] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5817] ioctl(4, LOOP_CLR_FD) = 0 [pid 5808] <... futex resumed>) = 0 [pid 5817] close(4) = 0 [pid 5817] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5817] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5812] <... futex resumed>) = 0 [pid 5812] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] <... mmap resumed>) = 0x7f87c04cf000 [pid 5817] <... futex resumed>) = 0 [pid 5812] <... futex resumed>) = 1 [pid 5808] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5817] mkdir("./file1", 000) = 0 [ 114.890444][ T5807] overlayfs: upper fs needs to support d_type. [ 114.899102][ T5813] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 114.923807][ T5824] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5817] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5812] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5811] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5808] <... mprotect resumed>) = 0 [pid 5812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5811] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5812] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5825 attached [pid 5817] mkdir("./bus", 000 [pid 5812] <... futex resumed>) = 0 [pid 5811] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5825] set_robust_list(0x7f87c04ef9e0, 24 [pid 5817] <... mkdir resumed>) = 0 [pid 5812] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5808] <... clone resumed>, parent_tid=[89], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 89 [pid 5817] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5817] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5809] <... mount resumed>) = 0 [pid 5825] <... set_robust_list resumed>) = 0 [pid 5812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5811] <... mmap resumed>) = 0x7f87c04cf000 [pid 5808] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] mkdir(".", 0777 [pid 5812] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] <... futex resumed>) = 0 [pid 5809] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5825] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5817] <... futex resumed>) = 0 [pid 5812] <... futex resumed>) = 1 [pid 5808] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5825] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5824] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5819] <... mount resumed>) = 0 [pid 5817] mkdir("./file0", 000 [pid 5814] <... mount resumed>) = 0 [pid 5813] <... mount resumed>) = 0 [pid 5812] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5811] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5809] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5824] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5817] <... mkdir resumed>) = 0 [pid 5814] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5811] <... mprotect resumed>) = 0 [pid 5824] <... futex resumed>) = 1 [pid 5819] <... openat resumed>) = 3 [pid 5817] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... futex resumed>) = 0 [pid 5813] <... openat resumed>) = 3 [pid 5811] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5807] <... mount resumed>) = 0 [pid 5806] <... futex resumed>) = 0 [pid 5824] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5819] chdir("./file0" [pid 5817] <... futex resumed>) = 1 [pid 5812] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5826 attached [pid 5824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5819] <... chdir resumed>) = 0 [pid 5817] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5814] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5813] chdir("./file0" [ 114.925953][ T5807] overlayfs: upper fs does not support tmpfile. [ 114.951286][ T5819] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 114.964924][ T5813] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 114.979176][ T5807] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5812] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] set_robust_list(0x7f87c04ef9e0, 24 [pid 5824] unlink(NULL [pid 5819] ioctl(4, LOOP_CLR_FD [pid 5817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5813] <... chdir resumed>) = 0 [pid 5812] <... futex resumed>) = 0 [pid 5811] <... clone resumed>, parent_tid=[92], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 92 [pid 5807] <... futex resumed>) = 0 [pid 5806] <... futex resumed>) = 0 [pid 5824] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5819] <... ioctl resumed>) = 0 [pid 5813] ioctl(4, LOOP_CLR_FD [pid 5811] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5824] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] close(4 [pid 5813] <... ioctl resumed>) = 0 [pid 5811] <... futex resumed>) = 0 [pid 5806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5826] <... set_robust_list resumed>) = 0 [pid 5824] <... futex resumed>) = 0 [pid 5819] <... close resumed>) = 0 [pid 5817] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5813] close(4 [pid 5812] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5811] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5806] close(3 [pid 5826] mkdir(".", 0777 [pid 5824] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5819] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... close resumed>) = 0 [pid 5806] <... close resumed>) = 0 [pid 5826] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5819] <... futex resumed>) = 1 [pid 5816] <... futex resumed>) = 0 [pid 5813] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] close(4 [pid 5819] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... futex resumed>) = 1 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5816] <... futex resumed>) = 0 [pid 5813] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] close(5 [pid 5819] mkdir("./file1", 000 [pid 5816] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5826] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5819] <... mkdir resumed>) = 0 [pid 5810] <... futex resumed>) = 0 [pid 5806] close(6 [pid 5819] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5819] <... futex resumed>) = 1 [pid 5816] <... futex resumed>) = 0 [pid 5806] close(7 [pid 5819] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5816] <... futex resumed>) = 0 [pid 5806] close(8 [pid 5819] mkdir("./bus", 000 [pid 5816] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5819] <... mkdir resumed>) = 0 [pid 5810] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] close(9 [pid 5819] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... futex resumed>) = 0 [pid 5810] <... futex resumed>) = 1 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5819] <... futex resumed>) = 1 [ 115.003091][ T5825] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 115.022202][ T5817] overlayfs: upper fs needs to support d_type. [ 115.029660][ T5817] overlayfs: upper fs does not support tmpfile. [pid 5816] <... futex resumed>) = 0 [pid 5813] mkdir("./file1", 000 [pid 5810] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5806] close(10 [pid 5819] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... mkdir resumed>) = 0 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5816] <... futex resumed>) = 0 [pid 5813] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] close(11 [pid 5819] mkdir("./file0", 000 [pid 5816] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5813] <... futex resumed>) = 1 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5819] <... mkdir resumed>) = 0 [pid 5813] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] close(12 [pid 5819] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5819] <... futex resumed>) = 1 [pid 5816] <... futex resumed>) = 0 [pid 5806] close(13 [pid 5819] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5816] <... futex resumed>) = 0 [pid 5806] close(14 [pid 5819] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5816] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5810] <... futex resumed>) = 0 [pid 5806] close(15 [pid 5812] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] <... futex resumed>) = 0 [pid 5810] <... futex resumed>) = 1 [pid 5806] close(16 [pid 5813] mkdir("./bus", 000 [pid 5810] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] <... mkdir resumed>) = 0 [pid 5806] close(17 [pid 5813] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] <... futex resumed>) = 1 [pid 5810] <... futex resumed>) = 0 [pid 5806] close(18 [pid 5813] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] close(19 [pid 5813] <... futex resumed>) = 0 [pid 5812] <... futex resumed>) = 0 [pid 5810] <... futex resumed>) = 1 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] mkdir("./file0", 000 [pid 5810] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5806] close(20 [pid 5813] <... mkdir resumed>) = 0 [pid 5812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] close(21 [pid 5813] <... futex resumed>) = 1 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 115.045920][ T5826] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 115.061928][ T5817] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 115.071969][ T5819] overlayfs: upper fs needs to support d_type. [pid 5817] <... mount resumed>) = 0 [pid 5813] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5812] <... mmap resumed>) = 0x7f87c04cf000 [pid 5810] <... futex resumed>) = 0 [pid 5806] close(22 [pid 5826] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5826] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5817] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5810] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5826] <... futex resumed>) = 1 [pid 5825] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] <... futex resumed>) = 0 [pid 5813] <... futex resumed>) = 0 [pid 5812] <... mprotect resumed>) = 0 [pid 5811] <... futex resumed>) = 0 [pid 5810] <... futex resumed>) = 1 [pid 5806] close(23 [pid 5826] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] <... futex resumed>) = 1 [pid 5817] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5813] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5812] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5811] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5810] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5808] <... futex resumed>) = 0 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5819] <... mount resumed>) = 0 ./strace-static-x86_64: Process 5827 attached [pid 5825] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5814] <... futex resumed>) = 0 [pid 5811] <... futex resumed>) = 1 [pid 5812] <... clone resumed>, parent_tid=[91], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 91 [pid 5812] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5812] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5808] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] <... futex resumed>) = 0 [pid 5808] <... futex resumed>) = 1 [pid 5809] unlink(NULL [pid 5808] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5809] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5827] set_robust_list(0x7f87c04ef9e0, 24 [pid 5814] unlink(NULL [pid 5811] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5809] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] close(24 [pid 5819] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] <... futex resumed>) = 1 [pid 5808] <... futex resumed>) = 0 [pid 5809] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5808] close(3) = 0 [pid 5808] close(4) = -1 EBADF (Bad file descriptor) [pid 5808] close(5) = -1 EBADF (Bad file descriptor) [pid 5808] close(6) = -1 EBADF (Bad file descriptor) [pid 5808] close(7) = -1 EBADF (Bad file descriptor) [pid 5827] <... set_robust_list resumed>) = 0 [pid 5819] <... futex resumed>) = 1 [pid 5816] <... futex resumed>) = 0 [pid 5814] <... unlink resumed>) = -1 EFAULT (Bad address) [ 115.097873][ T5819] overlayfs: upper fs does not support tmpfile. [ 115.108622][ T5819] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 115.130113][ T5813] overlayfs: upper fs needs to support d_type. [ 115.139180][ T5813] overlayfs: upper fs does not support tmpfile. [pid 5808] close(8 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5827] mkdir(".", 0777 [pid 5819] mkdir(".", 0777 [pid 5816] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] <... futex resumed>) = 1 [pid 5811] <... futex resumed>) = 0 [pid 5808] close(9 [pid 5814] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5811] close(3 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... close resumed>) = 0 [pid 5808] close(10 [pid 5811] close(4 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(11 [pid 5827] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5819] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5816] <... futex resumed>) = 0 [pid 5811] close(5 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] close(25 [pid 5827] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5819] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5816] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(12 [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] close(6 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] close(26 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(13 [pid 5811] close(7 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(14 [pid 5806] close(27 [pid 5811] close(8 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(15 [pid 5806] close(28 [pid 5811] close(9 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(16 [pid 5806] close(29 [pid 5811] close(10 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5806] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(17 [pid 5806] exit_group(0 [pid 5824] <... futex resumed>) = ? [pid 5811] close(11 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5807] <... futex resumed>) = ? [pid 5806] <... exit_group resumed>) = ? [pid 5813] <... mount resumed>) = 0 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5808] close(18 [pid 5813] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] close(12 [pid 5810] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] <... futex resumed>) = 0 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... futex resumed>) = 0 [pid 5808] close(19 [pid 5813] mkdir(".", 0777 [pid 5811] close(13 [pid 5810] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5813] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 115.149159][ T5813] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 115.177585][ T5819] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5808] close(20 [pid 5813] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5811] close(14 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5824] +++ exited with 0 +++ [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(21 [pid 5807] +++ exited with 0 +++ [pid 5806] +++ exited with 0 +++ [pid 5811] close(15 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(22 [pid 5811] close(16 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(23 [pid 5811] close(17 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(24 [pid 5811] close(18 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(25 [pid 5811] close(19 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(26 [pid 5811] close(20 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(27 [pid 5811] close(21 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(28 [pid 5811] close(22 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] close(29 [pid 5811] close(23 [pid 5808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5808] exit_group(0 [pid 5825] <... futex resumed>) = ? [pid 5811] close(24 [pid 5809] <... futex resumed>) = ? [pid 5808] <... exit_group resumed>) = ? [pid 5827] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5825] +++ exited with 0 +++ [pid 5819] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5813] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5809] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5827] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] close(25 [pid 5808] +++ exited with 0 +++ [pid 5827] <... futex resumed>) = 1 [pid 5819] <... futex resumed>) = 1 [pid 5816] <... futex resumed>) = 0 [pid 5813] <... futex resumed>) = 1 [pid 5812] <... futex resumed>) = 0 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... futex resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5827] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5819] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5812] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] close(26 [pid 5810] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5817] <... futex resumed>) = 0 [pid 5816] <... futex resumed>) = 0 [pid 5813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5812] <... futex resumed>) = 1 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... futex resumed>) = 0 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5819] unlink(NULL [pid 5817] unlink(NULL [pid 5816] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5813] unlink(NULL [pid 5812] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5811] close(27 [pid 5810] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5819] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5817] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5813] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5819] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] close(28 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5819] <... futex resumed>) = 1 [pid 5817] <... futex resumed>) = 1 [pid 5816] <... futex resumed>) = 0 [pid 5813] <... futex resumed>) = 1 [pid 5812] <... futex resumed>) = 0 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... futex resumed>) = 0 [pid 5080] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5819] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5817] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5816] close(3 [pid 5813] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5812] close(3 [pid 5811] close(29 [pid 5810] close(3 [pid 5080] <... openat resumed>) = 3 [pid 5079] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5816] <... close resumed>) = 0 [pid 5812] <... close resumed>) = 0 [pid 5811] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... close resumed>) = 0 [pid 5080] fstat(3, [pid 5079] <... openat resumed>) = 3 [pid 5816] close(4 [pid 5812] close(4 [pid 5811] exit_group(0 [pid 5810] close(4 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] fstat(3, [pid 5826] <... futex resumed>) = ? [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5814] <... futex resumed>) = ? [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5811] <... exit_group resumed>) = ? [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(3, [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5826] +++ exited with 0 +++ [pid 5816] close(5 [pid 5814] +++ exited with 0 +++ [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] getdents64(3, [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5816] close(6 [pid 5811] +++ exited with 0 +++ [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] close(5 [pid 5810] close(5 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5080] lstat("./32/binderfs", [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5816] close(7 [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] restart_syscall(<... resuming interrupted clone ...> [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] lstat("./31/binderfs", [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] close(6 [pid 5810] close(6 [pid 5082] <... restart_syscall resumed>) = 0 [pid 5080] unlink("./32/binderfs" [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5816] close(8 [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... unlink resumed>) = 0 [pid 5079] unlink("./31/binderfs" [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] close(7 [pid 5810] close(7 [pid 5080] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... unlink resumed>) = 0 [ 115.194604][ T5813] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 115.195807][ T5827] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5816] close(9 [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] close(8 [pid 5810] close(8 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./32/cgroup", [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5816] close(10 [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] lstat("./31/cgroup", [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] close(9 [pid 5810] close(9 [pid 5082] <... openat resumed>) = 3 [pid 5080] unlink("./32/cgroup" [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5816] close(11 [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] fstat(3, [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] close(10 [pid 5810] close(10 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5079] unlink("./31/cgroup" [pid 5816] close(12 [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(3, [pid 5080] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... unlink resumed>) = 0 [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] close(11 [pid 5810] close(11 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5816] close(13 [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] lstat("./32/cgroup.net", [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] close(12 [pid 5810] close(12 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] lstat("./31/cgroup.net", [pid 5816] close(14 [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./31/binderfs", [pid 5080] unlink("./32/cgroup.net" [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] close(13 [pid 5810] close(13 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5079] unlink("./31/cgroup.net" [pid 5816] close(15 [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./31/binderfs" [pid 5080] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... unlink resumed>) = 0 [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] close(14 [pid 5810] close(14 [pid 5082] <... unlink resumed>) = 0 [pid 5079] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5816] close(16 [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5816] close(17) = -1 EBADF (Bad file descriptor) [pid 5812] close(15 [pid 5810] close(15 [pid 5082] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5816] close(18) = -1 EBADF (Bad file descriptor) [pid 5816] close(19) = -1 EBADF (Bad file descriptor) [pid 5816] close(20) = -1 EBADF (Bad file descriptor) [pid 5816] close(21 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(16 [pid 5082] lstat("./31/cgroup", [pid 5816] close(22) = -1 EBADF (Bad file descriptor) [pid 5816] close(23) = -1 EBADF (Bad file descriptor) [pid 5816] close(24) = -1 EBADF (Bad file descriptor) [pid 5816] close(25) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5816] close(26 [pid 5812] close(16 [pid 5810] close(17 [pid 5082] unlink("./31/cgroup" [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5816] close(27) = -1 EBADF (Bad file descriptor) [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5816] close(28 [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 5810] close(18 [pid 5816] close(29 [pid 5812] close(17 [pid 5816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5816] exit_group(0 [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(19 [pid 5819] <... futex resumed>) = ? [pid 5816] <... exit_group resumed>) = ? [pid 5812] close(18 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5819] +++ exited with 0 +++ [pid 5816] +++ exited with 0 +++ [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(20 [pid 5082] lstat("./31/cgroup.net", [pid 5812] close(19 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(21 [pid 5082] unlink("./31/cgroup.net" [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5812] close(20 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(22 [pid 5082] <... unlink resumed>) = 0 [pid 5812] close(21 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(23 [pid 5812] close(22 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(24 [pid 5812] close(23 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(25 [pid 5812] close(24 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(26 [pid 5812] close(25 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 3 [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(27 [pid 5812] close(26 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(3, [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(28 [pid 5812] close(27 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] close(29 [pid 5812] close(28 [pid 5810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(3, [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5810] exit_group(0 [pid 5813] <... futex resumed>) = ? [pid 5812] close(29 [pid 5810] <... exit_group resumed>) = ? [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5813] +++ exited with 0 +++ [pid 5812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5812] exit_group(0 [pid 5810] +++ exited with 0 +++ [pid 5078] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5827] <... futex resumed>) = ? [pid 5817] <... futex resumed>) = ? [pid 5812] <... exit_group resumed>) = ? [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5827] +++ exited with 0 +++ [pid 5081] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./30/binderfs", [pid 5817] +++ exited with 0 +++ [pid 5812] +++ exited with 0 +++ [pid 5081] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5081] fstat(3, [pid 5078] unlink("./30/binderfs" [pid 5083] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] getdents64(3, [pid 5078] <... unlink resumed>) = 0 [pid 5083] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... openat resumed>) = 3 [pid 5081] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] fstat(3, [pid 5081] lstat("./31/binderfs", [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] lstat("./30/cgroup", [pid 5083] getdents64(3, [pid 5081] unlink("./31/binderfs" [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] <... unlink resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] unlink("./30/cgroup" [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./31/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5083] lstat("./31/binderfs", [pid 5081] unlink("./31/cgroup" [pid 5078] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5083] unlink("./31/binderfs" [pid 5081] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./31/cgroup.net", [pid 5078] lstat("./30/cgroup.net", [pid 5083] <... unlink resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./31/cgroup.net" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... unlink resumed>) = 0 [pid 5078] unlink("./30/cgroup.net" [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] lstat("./31/cgroup", [pid 5078] <... unlink resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] unlink("./31/cgroup") = 0 [pid 5083] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./31/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./31/cgroup.net") = 0 [pid 5083] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... umount2 resumed>) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5079] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./31/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] lstat("./32/file0", [pid 5079] close(4 [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... close resumed>) = 0 [pid 5079] rmdir("./31/file0" [pid 5080] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... rmdir resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5080] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] close(4 [pid 5079] unlink("./31/cgroup.cpu" [pid 5080] <... close resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5080] rmdir("./32/file0") = 0 [pid 5079] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] close(3 [pid 5080] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] <... close resumed>) = 0 [pid 5080] lstat("./32/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] rmdir("./31" [pid 5082] <... umount2 resumed>) = 0 [pid 5080] unlink("./32/cgroup.cpu") = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5082] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] close(3) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] mkdir("./32", 0777) = 0 [pid 5082] lstat("./31/file0", [pid 5080] rmdir("./32" [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5082] <... openat resumed>) = 4 [pid 5079] <... openat resumed>) = 3 [pid 5082] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5082] getdents64(4, [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] close(3 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] <... close resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5828 attached [pid 5082] getdents64(4, [pid 5080] <... rmdir resumed>) = 0 [pid 5080] mkdir("./33", 0777) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5080] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5828] set_robust_list(0x5555565af5e0, 24 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 90 [pid 5080] close(3) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] close(4 [pid 5828] <... set_robust_list resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5082] rmdir("./31/file0" [pid 5828] chdir("./32" [pid 5082] <... rmdir resumed>) = 0 [pid 5828] <... chdir resumed>) = 0 [pid 5082] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5828] <... prctl resumed>) = 0 [pid 5082] lstat("./31/cgroup.cpu", [pid 5828] setpgid(0, 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5829 attached [pid 5828] <... setpgid resumed>) = 0 [pid 5082] unlink("./31/cgroup.cpu" [pid 5829] set_robust_list(0x5555565af5e0, 24 [pid 5828] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5082] <... unlink resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 90 [pid 5082] getdents64(3, [pid 5829] <... set_robust_list resumed>) = 0 [pid 5828] <... symlink resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] close(3 [pid 5829] chdir("./33" [pid 5828] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5082] <... close resumed>) = 0 [pid 5082] rmdir("./31" [pid 5829] <... chdir resumed>) = 0 [pid 5828] <... symlink resumed>) = 0 [pid 5082] <... rmdir resumed>) = 0 [pid 5082] mkdir("./32", 0777 [pid 5829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5828] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5082] <... mkdir resumed>) = 0 [pid 5829] <... prctl resumed>) = 0 [pid 5828] <... symlink resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5829] setpgid(0, 0 [pid 5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] <... setpgid resumed>) = 0 [pid 5828] <... openat resumed>) = 3 [pid 5829] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5828] write(3, "1000", 4 [pid 5829] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5828] <... write resumed>) = 4 [pid 5082] <... openat resumed>) = 3 [pid 5829] <... symlink resumed>) = 0 [pid 5828] close(3 [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5829] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5828] <... close resumed>) = 0 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5829] <... symlink resumed>) = 0 [pid 5828] read(200, [pid 5082] close(3 [pid 5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5828] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5828] symlink("/dev/binderfs", "./binderfs" [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] write(3, "1000", 4 [pid 5828] <... symlink resumed>) = 0 [pid 5829] <... write resumed>) = 4 [pid 5828] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5830 attached [pid 5829] close(3 [pid 5828] <... futex resumed>) = 0 [pid 5830] set_robust_list(0x5555565af5e0, 24 [pid 5829] <... close resumed>) = 0 [pid 5828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 93 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5829] read(200, [pid 5828] <... mmap resumed>) = 0x7f87c84f0000 [pid 5830] chdir("./32" [pid 5829] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5828] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5830] <... chdir resumed>) = 0 [pid 5829] symlink("/dev/binderfs", "./binderfs" [pid 5828] <... mprotect resumed>) = 0 [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... symlink resumed>) = 0 [pid 5828] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5831 attached [pid 5830] <... prctl resumed>) = 0 [pid 5829] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] set_robust_list(0x7f87c85109e0, 24 [pid 5830] setpgid(0, 0 [pid 5829] <... futex resumed>) = 0 [pid 5828] <... clone resumed>, parent_tid=[91], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 91 [pid 5831] <... set_robust_list resumed>) = 0 [pid 5830] <... setpgid resumed>) = 0 [pid 5829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5828] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] memfd_create("syzkaller", 0 [pid 5830] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5829] <... mmap resumed>) = 0x7f87c84f0000 [pid 5828] <... futex resumed>) = 0 [pid 5831] <... memfd_create resumed>) = 3 [pid 5830] <... symlink resumed>) = 0 [pid 5829] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5828] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5829] <... mprotect resumed>) = 0 [pid 5831] <... mmap resumed>) = 0x7f87c00f0000 [pid 5830] <... symlink resumed>) = 0 [pid 5829] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5830] symlink("/syzcgroup/net/syz5", "./cgroup.net"./strace-static-x86_64: Process 5832 attached ) = 0 [pid 5829] <... clone resumed>, parent_tid=[91], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 91 [pid 5083] <... umount2 resumed>) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 5832] set_robust_list(0x7f87c85109e0, 24 [pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5832] <... set_robust_list resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] memfd_create("syzkaller", 0 [pid 5830] write(3, "1000", 4 [pid 5829] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] lstat("./31/file0", [pid 5078] lstat("./30/file0", [pid 5832] <... memfd_create resumed>) = 3 [pid 5830] <... write resumed>) = 4 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] close(3 [pid 5083] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5832] <... mmap resumed>) = 0x7f87c00f0000 [pid 5830] <... close resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5830] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5830] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5830] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5078] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5833 attached [pid 5833] set_robust_list(0x7f87c85109e0, 24 [pid 5830] <... clone resumed>, parent_tid=[94], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 94 [pid 5833] <... set_robust_list resumed>) = 0 [pid 5830] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] memfd_create("syzkaller", 0 [pid 5830] <... futex resumed>) = 0 [pid 5833] <... memfd_create resumed>) = 3 [pid 5830] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5083] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5083] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... openat resumed>) = 4 [pid 5083] getdents64(4, [pid 5078] fstat(4, [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5083] getdents64(4, [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] close(4 [pid 5078] getdents64(4, [pid 5083] <... close resumed>) = 0 [pid 5083] rmdir("./31/file0" [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] <... umount2 resumed>) = 0 [pid 5083] <... rmdir resumed>) = 0 [pid 5078] getdents64(4, [pid 5081] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./31/file0", [pid 5078] close(4 [pid 5083] lstat("./31/cgroup.cpu", [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... close resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] rmdir("./30/file0" [pid 5083] unlink("./31/cgroup.cpu" [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... unlink resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... rmdir resumed>) = 0 [pid 5083] getdents64(3, [pid 5081] <... openat resumed>) = 4 [pid 5078] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5081] fstat(4, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] close(3 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] lstat("./30/cgroup.cpu", [pid 5083] <... close resumed>) = 0 [pid 5081] getdents64(4, [pid 5083] rmdir("./31" [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5831] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5083] <... rmdir resumed>) = 0 [pid 5081] getdents64(4, [pid 5078] unlink("./30/cgroup.cpu" [pid 5083] mkdir("./32", 0777 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] <... mkdir resumed>) = 0 [pid 5081] close(4 [pid 5078] <... unlink resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5081] <... close resumed>) = 0 [pid 5078] getdents64(3, [pid 5083] <... openat resumed>) = 3 [pid 5081] rmdir("./31/file0" [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5081] <... rmdir resumed>) = 0 [pid 5078] close(3 [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5081] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] close(3 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... close resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5081] lstat("./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./31/cgroup.cpu") = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] rmdir("./30" [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] close(3) = 0 [pid 5081] rmdir("./31" [pid 5078] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5834 attached [pid 5081] <... rmdir resumed>) = 0 [pid 5078] mkdir("./31", 0777 [pid 5834] set_robust_list(0x5555565af5e0, 24 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 92 [pid 5081] mkdir("./32", 0777 [pid 5834] <... set_robust_list resumed>) = 0 [pid 5081] <... mkdir resumed>) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 5834] chdir("./32" [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5834] <... chdir resumed>) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5078] <... openat resumed>) = 3 [pid 5834] <... prctl resumed>) = 0 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5834] setpgid(0, 0 [pid 5081] close(3) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached [pid 5834] <... setpgid resumed>) = 0 [pid 5078] close(3 [pid 5835] set_robust_list(0x5555565af5e0, 24 [pid 5834] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 93 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5834] <... symlink resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5835] chdir("./32" [pid 5834] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... chdir resumed>) = 0 [pid 5834] <... symlink resumed>) = 0 [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5836 attached [pid 5835] setpgid(0, 0 [pid 5834] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5836] set_robust_list(0x5555565af5e0, 24 [pid 5835] <... setpgid resumed>) = 0 [pid 5834] <... symlink resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 86 [pid 5836] <... set_robust_list resumed>) = 0 [pid 5835] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] chdir("./31" [pid 5835] <... symlink resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5832] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5836] <... chdir resumed>) = 0 [pid 5835] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5834] write(3, "1000", 4 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] <... symlink resumed>) = 0 [pid 5834] <... write resumed>) = 4 [pid 5836] <... prctl resumed>) = 0 [pid 5835] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5834] close(3 [pid 5836] setpgid(0, 0 [pid 5835] <... symlink resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5836] <... setpgid resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] read(200, [pid 5833] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5836] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5835] <... openat resumed>) = 3 [pid 5834] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5836] <... symlink resumed>) = 0 [pid 5835] write(3, "1000", 4 [pid 5834] symlink("/dev/binderfs", "./binderfs" [pid 5836] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5835] <... write resumed>) = 4 [pid 5836] <... symlink resumed>) = 0 [pid 5835] close(3 [pid 5834] <... symlink resumed>) = 0 [pid 5836] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5835] <... close resumed>) = 0 [pid 5834] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... symlink resumed>) = 0 [pid 5835] read(200, [pid 5834] <... futex resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5835] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] <... openat resumed>) = 3 [pid 5835] <... mmap resumed>) = 0x7f87c84f0000 [pid 5834] <... mmap resumed>) = 0x7f87c84f0000 [pid 5836] write(3, "1000", 4 [pid 5835] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5834] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5836] <... write resumed>) = 4 [pid 5835] <... mprotect resumed>) = 0 [pid 5834] <... mprotect resumed>) = 0 [pid 5836] close(3 [pid 5835] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5834] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5838 attached ./strace-static-x86_64: Process 5837 attached [pid 5836] <... close resumed>) = 0 [pid 5838] set_robust_list(0x7f87c85109e0, 24 [pid 5837] set_robust_list(0x7f87c85109e0, 24 [pid 5836] read(200, [pid 5835] <... clone resumed>, parent_tid=[94], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 94 [pid 5834] <... clone resumed>, parent_tid=[93], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 93 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5836] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] memfd_create("syzkaller", 0 [pid 5837] memfd_create("syzkaller", 0 [pid 5836] symlink("/dev/binderfs", "./binderfs" [pid 5835] <... futex resumed>) = 0 [pid 5834] <... futex resumed>) = 0 [pid 5838] <... memfd_create resumed>) = 3 [pid 5837] <... memfd_create resumed>) = 3 [pid 5836] <... symlink resumed>) = 0 [pid 5835] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5834] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5836] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... write resumed>) = 4194304 [pid 5838] <... mmap resumed>) = 0x7f87c00f0000 [pid 5837] <... mmap resumed>) = 0x7f87c00f0000 [pid 5836] <... futex resumed>) = 0 [pid 5832] <... write resumed>) = 4194304 [pid 5831] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5831] ioctl(4, LOOP_SET_FD, 3 [pid 5836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] munmap(0x7f87c00f0000, 4194304 [pid 5836] <... mmap resumed>) = 0x7f87c84f0000 [pid 5836] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... munmap resumed>) = 0 [pid 5836] <... mprotect resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5836] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5832] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5839 attached [pid 5832] ioctl(4, LOOP_SET_FD, 3 [pid 5839] set_robust_list(0x7f87c85109e0, 24 [pid 5836] <... clone resumed>, parent_tid=[87], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 87 [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3) = 0 [pid 5831] mkdir("./file0", 0777 [pid 5832] <... ioctl resumed>) = 0 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5836] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] memfd_create("syzkaller", 0 [pid 5836] <... futex resumed>) = 0 [pid 5836] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5839] <... memfd_create resumed>) = 3 [pid 5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5831] <... mkdir resumed>) = 0 [pid 5832] close(3 [pid 5831] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5838] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5832] <... close resumed>) = 0 [pid 5832] mkdir("./file0", 0777) = 0 [ 115.855972][ T5831] loop1: detected capacity change from 0 to 8192 [ 115.879171][ T5832] loop4: detected capacity change from 0 to 8192 [pid 5837] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5833] <... write resumed>) = 4194304 [pid 5832] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5839] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5833] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 115.909704][ T5831] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 115.936991][ T5831] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 115.950056][ T5833] loop5: detected capacity change from 0 to 8192 [pid 5833] ioctl(4, LOOP_SET_FD, 3 [pid 5838] <... write resumed>) = 4194304 [ 115.972565][ T5832] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 115.989687][ T5831] REISERFS (device loop1): using ordered data mode [ 116.007121][ T5831] reiserfs: using flush barriers [pid 5838] munmap(0x7f87c00f0000, 4194304 [pid 5837] <... write resumed>) = 4194304 [pid 5833] <... ioctl resumed>) = 0 [pid 5838] <... munmap resumed>) = 0 [pid 5833] close(3 [pid 5838] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... close resumed>) = 0 [pid 5838] <... openat resumed>) = 4 [pid 5833] mkdir("./file0", 0777 [ 116.013733][ T5831] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 116.016959][ T5832] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 116.031577][ T5831] REISERFS (device loop1): checking transaction log (loop1) [ 116.049743][ T5831] REISERFS (device loop1): Using r5 hash to sort names [ 116.057198][ T5831] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5838] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... mkdir resumed>) = 0 [pid 5833] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5837] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5839] <... write resumed>) = 4194304 [pid 5831] <... mount resumed>) = 0 [pid 5837] <... openat resumed>) = 4 [ 116.061476][ T5838] loop2: detected capacity change from 0 to 8192 [ 116.070757][ T5831] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 116.088290][ T5833] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 116.088317][ T5833] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 116.088436][ T5833] REISERFS (device loop5): using ordered data mode [pid 5837] ioctl(4, LOOP_SET_FD, 3 [pid 5839] munmap(0x7f87c00f0000, 4194304 [pid 5837] <... ioctl resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5839] <... munmap resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5839] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... openat resumed>) = 3 [pid 5838] <... ioctl resumed>) = 0 [pid 5838] close(3) = 0 [pid 5838] mkdir("./file0", 0777 [pid 5837] close(3) = 0 [pid 5838] <... mkdir resumed>) = 0 [ 116.088446][ T5833] reiserfs: using flush barriers [ 116.089747][ T5833] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 116.110137][ T5832] REISERFS (device loop4): using ordered data mode [ 116.116908][ T5837] loop3: detected capacity change from 0 to 8192 [ 116.118657][ T5832] reiserfs: using flush barriers [ 116.133624][ T5839] loop0: detected capacity change from 0 to 8192 [pid 5831] chdir("./file0" [pid 5838] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5837] mkdir("./file0", 0777) = 0 [pid 5837] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5839] <... ioctl resumed>) = 0 [pid 5839] close(3) = 0 [pid 5839] mkdir("./file0", 0777) = 0 [pid 5839] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5831] <... chdir resumed>) = 0 [pid 5831] ioctl(4, LOOP_CLR_FD) = 0 [ 116.146125][ T5832] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 116.160354][ T5833] REISERFS (device loop5): checking transaction log (loop5) [ 116.164245][ T5832] REISERFS (device loop4): checking transaction log (loop4) [pid 5831] close(4) = 0 [pid 5831] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5831] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5828] <... futex resumed>) = 0 [pid 5828] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 116.210031][ T5838] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 116.227428][ T5837] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 116.242851][ T5832] REISERFS (device loop4): Using r5 hash to sort names [ 116.248739][ T5839] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 116.261937][ T5833] REISERFS (device loop5): Using r5 hash to sort names [pid 5828] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... futex resumed>) = 0 [pid 5831] mkdir("./file1", 000) = 0 [pid 5831] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5828] <... futex resumed>) = 0 [pid 5831] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5828] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5828] <... futex resumed>) = 0 [pid 5831] mkdir("./bus", 000 [pid 5828] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... mkdir resumed>) = 0 [pid 5831] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5828] <... futex resumed>) = 0 [pid 5831] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5828] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5828] <... futex resumed>) = 0 [pid 5831] mkdir("./file0", 000 [pid 5828] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... mkdir resumed>) = 0 [pid 5831] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5828] <... futex resumed>) = 0 [pid 5831] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5828] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5828] <... futex resumed>) = 0 [ 116.268038][ T5839] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 116.285354][ T5839] REISERFS (device loop0): using ordered data mode [ 116.294361][ T5839] reiserfs: using flush barriers [ 116.299493][ T5832] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 116.302532][ T5838] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5831] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 116.319932][ T5831] overlayfs: upper fs needs to support d_type. [ 116.325756][ T5838] REISERFS (device loop2): using ordered data mode [ 116.339339][ T5838] reiserfs: using flush barriers [ 116.346186][ T5839] 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 [ 116.347069][ T5837] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 116.365311][ T5831] overlayfs: upper fs does not support tmpfile. [ 116.375655][ T5838] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 116.384966][ T5832] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 116.402726][ T5833] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5828] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5828] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5832] <... mount resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5832] chdir("./file0") = 0 [pid 5832] ioctl(4, LOOP_CLR_FD) = 0 [pid 5832] close(4 [pid 5828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [ 116.414876][ T5839] REISERFS (device loop0): checking transaction log (loop0) [ 116.425895][ T5837] REISERFS (device loop3): using ordered data mode [ 116.434894][ T5831] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 116.440327][ T5833] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 116.457893][ T5838] REISERFS (device loop2): checking transaction log (loop2) [ 116.465765][ T5837] reiserfs: using flush barriers [pid 5828] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... close resumed>) = 0 [pid 5832] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... futex resumed>) = 0 [pid 5829] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5829] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... mprotect resumed>) = 0 [pid 5832] <... futex resumed>) = 1 [pid 5828] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5832] mkdir("./file1", 000) = 0 [pid 5832] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... futex resumed>) = 0 [pid 5829] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5829] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... futex resumed>) = 1 [pid 5832] mkdir("./bus", 000) = 0 [pid 5832] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5846 attached ) = 1 [pid 5829] <... futex resumed>) = 0 [pid 5832] mkdir("./file0", 000 [pid 5829] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... mkdir resumed>) = 0 [pid 5829] <... futex resumed>) = 0 [pid 5832] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... futex resumed>) = 0 [pid 5829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5829] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5829] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... clone resumed>, parent_tid=[92], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 92 [pid 5846] set_robust_list(0x7f87c04ef9e0, 24 [pid 5828] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5828] <... futex resumed>) = 0 [pid 5846] mkdir(".", 0777 [pid 5833] <... mount resumed>) = 0 [ 116.472651][ T5838] REISERFS (device loop2): Using r5 hash to sort names [ 116.482675][ T5838] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 116.507771][ T5837] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5846] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5833] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5828] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5846] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5838] <... mount resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5831] <... mount resumed>) = 0 [ 116.525608][ T5838] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 116.527565][ T5832] overlayfs: upper fs needs to support d_type. [ 116.535731][ T5837] REISERFS (device loop3): checking transaction log (loop3) [ 116.545426][ T5839] REISERFS (device loop0): Using r5 hash to sort names [ 116.551801][ T5837] REISERFS (device loop3): Using r5 hash to sort names [pid 5838] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] chdir("./file0" [pid 5829] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5829] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5829] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5829] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[92], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 92 [pid 5829] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5829] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5838] <... openat resumed>) = 3 [pid 5833] <... chdir resumed>) = 0 [pid 5831] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5831] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5846] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5846] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5846] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5847 attached [pid 5847] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 5847] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5847] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5838] chdir("./file0" [pid 5833] ioctl(4, LOOP_CLR_FD [pid 5838] <... chdir resumed>) = 0 [pid 5838] ioctl(4, LOOP_CLR_FD [pid 5833] <... ioctl resumed>) = 0 [ 116.564376][ T5839] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 116.570153][ T5846] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 116.595955][ T5832] overlayfs: upper fs does not support tmpfile. [ 116.597838][ T5837] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5838] <... ioctl resumed>) = 0 [pid 5837] <... mount resumed>) = 0 [pid 5833] close(4 [pid 5828] <... futex resumed>) = 0 [pid 5839] <... mount resumed>) = 0 [pid 5838] close(4 [pid 5837] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] <... close resumed>) = 0 [pid 5828] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... close resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5833] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... futex resumed>) = 1 [pid 5839] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5838] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] chdir("./file0" [pid 5833] <... futex resumed>) = 1 [pid 5828] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... openat resumed>) = 3 [pid 5838] <... futex resumed>) = 1 [pid 5837] <... chdir resumed>) = 0 [pid 5834] <... futex resumed>) = 0 [pid 5833] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] chdir("./file0" [pid 5838] mkdir("./file1", 000 [pid 5837] ioctl(4, LOOP_CLR_FD [pid 5834] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... chdir resumed>) = 0 [pid 5838] <... mkdir resumed>) = 0 [pid 5837] <... ioctl resumed>) = 0 [pid 5834] <... futex resumed>) = 0 [pid 5839] ioctl(4, LOOP_CLR_FD [pid 5838] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] close(4 [pid 5834] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... ioctl resumed>) = 0 [pid 5838] <... futex resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] close(4 [pid 5838] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... close resumed>) = 0 [pid 5838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5837] <... futex resumed>) = 1 [pid 5834] <... futex resumed>) = 0 [pid 5839] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] mkdir("./bus", 000 [pid 5837] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... futex resumed>) = 1 [pid 5838] <... mkdir resumed>) = 0 [pid 5836] <... futex resumed>) = 0 [pid 5839] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5838] <... futex resumed>) = 1 [pid 5836] <... futex resumed>) = 0 [pid 5834] <... futex resumed>) = 0 [pid 5839] mkdir("./file1", 000 [pid 5838] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5834] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5834] <... futex resumed>) = 0 [pid 5839] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] mkdir("./file0", 000 [pid 5834] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... futex resumed>) = 1 [pid 5838] <... mkdir resumed>) = 0 [pid 5836] <... futex resumed>) = 0 [pid 5839] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5838] <... futex resumed>) = 1 [pid 5836] <... futex resumed>) = 0 [pid 5834] <... futex resumed>) = 0 [pid 5839] mkdir("./bus", 000 [pid 5838] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5834] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... mkdir resumed>) = 0 [pid 5838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5834] <... futex resumed>) = 0 [pid 5839] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5834] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... futex resumed>) = 1 [pid 5836] <... futex resumed>) = 0 [pid 5839] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [ 116.618452][ T5837] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 116.626427][ T5839] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 116.632370][ T5832] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 116.647376][ T5847] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5836] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... futex resumed>) = 0 [pid 5831] <... futex resumed>) = 0 [pid 5830] <... futex resumed>) = 0 [pid 5839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5836] <... futex resumed>) = 0 [pid 5839] mkdir("./file0", 000 [pid 5836] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... mkdir resumed>) = 0 [pid 5837] <... futex resumed>) = 0 [pid 5835] <... futex resumed>) = 1 [pid 5831] unlink(NULL [pid 5830] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] mkdir("./file1", 000 [pid 5839] <... futex resumed>) = 1 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... futex resumed>) = 0 [pid 5835] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5831] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5830] <... futex resumed>) = 1 [pid 5833] <... futex resumed>) = 0 [pid 5839] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5837] <... futex resumed>) = 0 [pid 5836] <... futex resumed>) = 0 [pid 5839] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5837] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5833] mkdir("./file1", 000 [pid 5831] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5828] close(3) = 0 [pid 5828] close(4) = -1 EBADF (Bad file descriptor) [pid 5828] close(5) = -1 EBADF (Bad file descriptor) [pid 5835] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] close(6) = -1 EBADF (Bad file descriptor) [pid 5837] <... futex resumed>) = 0 [pid 5835] <... futex resumed>) = 1 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] <... futex resumed>) = 0 [pid 5828] close(7 [pid 5837] mkdir("./bus", 000 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 116.675511][ T5838] overlayfs: upper fs needs to support d_type. [ 116.685410][ T5838] overlayfs: upper fs does not support tmpfile. [ 116.700832][ T5839] overlayfs: upper fs needs to support d_type. [ 116.713883][ T5839] overlayfs: upper fs does not support tmpfile. [pid 5847] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... mount resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5835] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... mount resumed>) = 0 [pid 5831] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5828] close(8 [pid 5847] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... mount resumed>) = 0 [pid 5838] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5834] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5833] <... futex resumed>) = 1 [pid 5832] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... futex resumed>) = 0 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] <... futex resumed>) = 1 [pid 5839] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... futex resumed>) = 0 [pid 5837] <... futex resumed>) = 0 [pid 5835] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] <... futex resumed>) = 0 [pid 5830] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... futex resumed>) = 0 [pid 5828] close(9 [pid 5847] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] <... futex resumed>) = 1 [pid 5838] mkdir(".", 0777 [pid 5837] mkdir("./file0", 000 [pid 5835] <... futex resumed>) = 0 [pid 5834] <... futex resumed>) = 0 [pid 5833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... futex resumed>) = 0 [pid 5829] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5837] <... mkdir resumed>) = 0 [pid 5835] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5834] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5833] mkdir("./bus", 000 [pid 5832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... futex resumed>) = 0 [pid 5828] close(10 [ 116.723849][ T5838] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 116.745514][ T5839] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5838] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5837] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5833] <... mkdir resumed>) = 0 [pid 5832] unlink(NULL [pid 5829] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... futex resumed>) = 0 [pid 5835] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5828] close(11 [pid 5837] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5835] <... futex resumed>) = 0 [pid 5833] <... futex resumed>) = 1 [pid 5832] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... futex resumed>) = 0 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] <... futex resumed>) = 1 [pid 5830] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... futex resumed>) = 0 [pid 5833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... futex resumed>) = 0 [pid 5829] close(3 [pid 5833] mkdir("./file0", 000 [pid 5830] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... close resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5829] close(4 [pid 5833] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] close(12 [pid 5833] <... futex resumed>) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5829] close(5 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] <... futex resumed>) = 0 [pid 5833] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] close(13 [pid 5833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] <... futex resumed>) = 0 [pid 5829] close(6 [pid 5833] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5830] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] close(7) = -1 EBADF (Bad file descriptor) [pid 5829] close(8) = -1 EBADF (Bad file descriptor) [pid 5829] close(9) = -1 EBADF (Bad file descriptor) [pid 5829] close(10) = -1 EBADF (Bad file descriptor) [pid 5829] close(11) = -1 EBADF (Bad file descriptor) [pid 5829] close(12) = -1 EBADF (Bad file descriptor) [pid 5829] close(13) = -1 EBADF (Bad file descriptor) [pid 5829] close(14) = -1 EBADF (Bad file descriptor) [pid 5829] close(15) = -1 EBADF (Bad file descriptor) [pid 5829] close(16) = -1 EBADF (Bad file descriptor) [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] close(17 [pid 5828] close(14 [pid 5839] <... futex resumed>) = 0 [pid 5836] <... futex resumed>) = 1 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] mkdir(".", 0777 [pid 5829] close(18 [pid 5839] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5829] close(19) = -1 EBADF (Bad file descriptor) [ 116.794649][ T5837] overlayfs: upper fs needs to support d_type. [ 116.805742][ T5838] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 116.820381][ T5833] overlayfs: upper fs needs to support d_type. [ 116.827170][ T5833] overlayfs: upper fs does not support tmpfile. [ 116.835883][ T5837] overlayfs: upper fs does not support tmpfile. [pid 5829] close(20 [pid 5828] close(15 [pid 5836] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... mount resumed>) = 0 [pid 5835] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5829] close(21 [pid 5828] close(16 [pid 5838] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... futex resumed>) = 1 [pid 5835] <... futex resumed>) = 0 [pid 5834] <... futex resumed>) = 0 [pid 5829] close(22 [pid 5838] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5834] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] <... mmap resumed>) = 0x7f87c04cf000 [pid 5834] <... futex resumed>) = 0 [pid 5830] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5829] close(23 [pid 5838] unlink(NULL [pid 5835] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5834] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5837] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... mprotect resumed>) = 0 [pid 5830] <... futex resumed>) = 0 [pid 5829] close(24 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5838] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... futex resumed>) = 0 [pid 5835] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] close(17./strace-static-x86_64: Process 5848 attached [pid 5839] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... futex resumed>) = 1 [pid 5837] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] <... futex resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5830] <... mmap resumed>) = 0x7f87c04cf000 [pid 5829] close(25 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] set_robust_list(0x7f87c04ef9e0, 24 [pid 5839] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] <... clone resumed>, parent_tid=[95], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 95 [pid 5834] close(3 [pid 5833] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] close(18 [pid 5835] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... close resumed>) = 0 [pid 5830] <... mprotect resumed>) = 0 [pid 5829] close(26 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] <... set_robust_list resumed>) = 0 [pid 5848] mkdir(".", 0777 [pid 5839] <... futex resumed>) = 1 [pid 5836] <... futex resumed>) = 0 [pid 5835] <... futex resumed>) = 0 [pid 5834] close(4 [pid 5833] <... futex resumed>) = 0 [pid 5830] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] close(19./strace-static-x86_64: Process 5849 attached [pid 5848] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5839] unlink(NULL [pid 5836] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] close(27 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] set_robust_list(0x7f87c04ef9e0, 24 [pid 5848] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5839] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5836] <... futex resumed>) = 0 [pid 5834] close(5 [pid 5830] <... clone resumed>, parent_tid=[95], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 95 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 116.847203][ T5837] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 116.849293][ T5839] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 116.860722][ T5833] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5828] close(20 [pid 5849] <... set_robust_list resumed>) = 0 [pid 5839] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] close(28 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] mkdir(".", 0777 [pid 5848] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5839] <... futex resumed>) = 0 [pid 5836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5834] close(6 [pid 5830] <... futex resumed>) = 0 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] close(21 [pid 5849] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5848] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] close(3 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] close(29 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5849] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5848] <... futex resumed>) = 1 [pid 5836] <... close resumed>) = 0 [pid 5835] <... futex resumed>) = 0 [pid 5834] close(7 [pid 5829] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] close(22 [pid 5848] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] close(4 [pid 5835] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5829] exit_group(0 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... futex resumed>) = 0 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... futex resumed>) = 1 [pid 5834] close(8 [pid 5828] close(23 [pid 5847] <... futex resumed>) = ? [pid 5837] unlink(NULL [pid 5836] close(5 [pid 5835] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5832] <... futex resumed>) = ? [pid 5829] <... exit_group resumed>) = ? [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5847] +++ exited with 0 +++ [pid 5837] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(9 [pid 5828] close(24 [pid 5837] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] close(6 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5837] <... futex resumed>) = 1 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... futex resumed>) = 0 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5832] +++ exited with 0 +++ [pid 5829] +++ exited with 0 +++ [pid 5828] close(25 [pid 5837] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] close(7 [pid 5835] close(3 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = 0 [pid 5828] close(26 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=30 /* 0.30 s */} --- [pid 5836] close(8 [pid 5835] close(4 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] close(27 [pid 5080] <... restart_syscall resumed>) = 0 [pid 5836] close(9 [pid 5835] close(5 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] close(28 [pid 5836] close(10 [pid 5835] close(6 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5828] close(29 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] close(11 [pid 5835] close(7 [pid 5828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5849] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(10 [pid 5828] exit_group(0 [pid 5080] <... openat resumed>) = 3 [pid 5849] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] <... futex resumed>) = ? [pid 5836] close(12 [pid 5835] close(8 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5831] <... futex resumed>) = ? [pid 5828] <... exit_group resumed>) = ? [pid 5080] fstat(3, [pid 5849] <... futex resumed>) = 1 [pid 5846] +++ exited with 0 +++ [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(11 [pid 5831] +++ exited with 0 +++ [pid 5830] <... futex resumed>) = 0 [pid 5849] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5836] close(13 [pid 5835] close(9 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] +++ exited with 0 +++ [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(12 [pid 5833] <... futex resumed>) = 0 [pid 5830] <... futex resumed>) = 1 [pid 5080] getdents64(3, [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=27 /* 0.27 s */} --- [pid 5836] close(14 [pid 5835] close(10 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] unlink(NULL [pid 5830] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(13 [pid 5833] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5080] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5836] close(15 [pid 5835] close(11 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(14 [pid 5833] <... futex resumed>) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5080] lstat("./33/binderfs", [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] close(16 [pid 5835] close(12 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5833] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] close(3 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(15 [pid 5830] <... close resumed>) = 0 [pid 5080] unlink("./33/binderfs" [pid 5079] <... openat resumed>) = 3 [pid 5836] close(17 [pid 5835] close(13 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(4 [pid 5080] <... unlink resumed>) = 0 [pid 5079] fstat(3, [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(16 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5836] close(18 [pid 5835] close(14 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(5 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] getdents64(3, [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(17 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./33/cgroup", [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5836] close(19 [pid 5835] close(15 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(6 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(18 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./33/cgroup" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] close(20 [pid 5835] close(16 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(7 [pid 5080] <... unlink resumed>) = 0 [pid 5079] lstat("./32/binderfs", [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(19 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5836] close(21 [pid 5835] close(17 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(8 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] unlink("./32/binderfs" [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(20 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./33/cgroup.net", [pid 5079] <... unlink resumed>) = 0 [pid 5836] close(22 [pid 5835] close(18 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(9 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(21 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./33/cgroup.net" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] close(23 [pid 5835] close(19 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(10 [pid 5080] <... unlink resumed>) = 0 [pid 5079] lstat("./32/cgroup", [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(22 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [ 116.902616][ T5848] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 116.932729][ T5849] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5836] close(24 [pid 5835] close(20 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(11 [pid 5079] unlink("./32/cgroup" [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(23 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5836] close(25 [pid 5835] close(21 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(12 [pid 5079] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(24 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] close(26 [pid 5835] close(22 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(13 [pid 5079] lstat("./32/cgroup.net", [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(25 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5836] close(27 [pid 5835] close(23 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(14 [pid 5079] unlink("./32/cgroup.net" [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(26 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5836] close(28 [pid 5835] close(24 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(15 [pid 5079] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(27 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] close(29 [pid 5835] close(25 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(16 [pid 5836] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(28 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] exit_group(0 [pid 5835] close(26 [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(17 [pid 5839] <... futex resumed>) = ? [pid 5836] <... exit_group resumed>) = ? [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] close(29 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5839] +++ exited with 0 +++ [pid 5834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] +++ exited with 0 +++ [pid 5835] close(27 [pid 5834] exit_group(0 [pid 5838] <... futex resumed>) = ? [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5834] <... exit_group resumed>) = ? [pid 5830] close(18 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5838] +++ exited with 0 +++ [pid 5835] close(28 [pid 5834] +++ exited with 0 +++ [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(19 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5835] close(29 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5083] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5830] close(20 [pid 5835] exit_group(0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5848] <... futex resumed>) = ? [pid 5837] <... futex resumed>) = ? [pid 5835] <... exit_group resumed>) = ? [pid 5830] close(21 [pid 5083] lstat("./32/binderfs", [pid 5837] +++ exited with 0 +++ [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] unlink("./32/binderfs") = 0 [pid 5848] +++ exited with 0 +++ [pid 5835] +++ exited with 0 +++ [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5830] close(22 [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(23 [pid 5083] lstat("./32/cgroup", [pid 5078] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(24 [pid 5083] unlink("./32/cgroup" [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 5081] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] close(25 [pid 5083] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... openat resumed>) = 3 [pid 5830] close(26 [pid 5083] lstat("./32/cgroup.net", [pid 5081] <... openat resumed>) = 3 [pid 5078] fstat(3, [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] fstat(3, [pid 5830] close(27 [pid 5083] unlink("./32/cgroup.net" [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 5081] getdents64(3, [pid 5078] getdents64(3, [pid 5830] close(28 [pid 5083] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5830] close(29 [pid 5081] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] exit_group(0 [pid 5081] lstat("./32/binderfs", [pid 5078] lstat("./31/binderfs", [pid 5849] <... futex resumed>) = ? [pid 5833] <... futex resumed>) = ? [pid 5830] <... exit_group resumed>) = ? [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5833] +++ exited with 0 +++ [pid 5081] unlink("./32/binderfs" [pid 5078] unlink("./31/binderfs" [pid 5081] <... unlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5078] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./31/cgroup", [pid 5081] lstat("./32/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] unlink("./32/cgroup" [pid 5078] unlink("./31/cgroup" [pid 5849] +++ exited with 0 +++ [pid 5830] +++ exited with 0 +++ [pid 5081] <... unlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5081] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5078] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./32/cgroup.net", [pid 5078] lstat("./31/cgroup.net", [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] unlink("./32/cgroup.net" [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... unlink resumed>) = 0 [pid 5078] unlink("./31/cgroup.net") = 0 [pid 5081] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5082] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5082] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... umount2 resumed>) = 0 [pid 5080] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./33/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./32/binderfs", [pid 5080] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] unlink("./32/binderfs") = 0 [pid 5082] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... openat resumed>) = 4 [pid 5080] fstat(4, [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./32/cgroup", [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] unlink("./32/cgroup") = 0 [pid 5080] getdents64(4, [pid 5082] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] lstat("./32/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./32/cgroup.net" [pid 5080] getdents64(4, [pid 5082] <... unlink resumed>) = 0 [pid 5082] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] close(4) = 0 [pid 5080] rmdir("./33/file0") = 0 [pid 5080] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./33/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./33/cgroup.cpu") = 0 [pid 5080] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] close(3) = 0 [pid 5080] rmdir("./33") = 0 [pid 5080] mkdir("./34", 0777) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5080] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5080] close(3) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565af5d0) = 93 ./strace-static-x86_64: Process 5850 attached [pid 5850] set_robust_list(0x5555565af5e0, 24) = 0 [pid 5850] chdir("./34") = 0 [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5850] setpgid(0, 0) = 0 [pid 5850] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5850] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5850] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "1000", 4) = 4 [pid 5850] close(3) = 0 [pid 5850] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5850] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5850] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5850] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5850] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[94], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 94 [pid 5850] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5850] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5851 attached [pid 5851] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 5851] memfd_create("syzkaller", 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5851] <... memfd_create resumed>) = 3 [pid 5083] <... umount2 resumed>) = 0 [pid 5083] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./32/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5083] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5083] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] close(4) = 0 [pid 5083] rmdir("./32/file0") = 0 [pid 5083] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./32/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./32/cgroup.cpu") = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] close(3) = 0 [pid 5083] rmdir("./32") = 0 [pid 5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5083] mkdir("./33", 0777) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5083] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5083] close(3 [pid 5079] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] <... close resumed>) = 0 [pid 5079] lstat("./32/file0", [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5852 attached [pid 5079] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] close(4) = 0 [pid 5079] rmdir("./32/file0" [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 94 [pid 5079] <... rmdir resumed>) = 0 [pid 5079] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5852] set_robust_list(0x5555565af5e0, 24 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5852] <... set_robust_list resumed>) = 0 [pid 5079] lstat("./32/cgroup.cpu", [pid 5852] chdir("./33" [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5852] <... chdir resumed>) = 0 [pid 5079] unlink("./32/cgroup.cpu" [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... unlink resumed>) = 0 [pid 5852] <... prctl resumed>) = 0 [pid 5079] getdents64(3, [pid 5852] setpgid(0, 0 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5852] <... setpgid resumed>) = 0 [pid 5079] close(3 [pid 5852] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5081] <... umount2 resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5852] <... symlink resumed>) = 0 [pid 5079] rmdir("./32" [pid 5852] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5079] <... rmdir resumed>) = 0 [pid 5852] <... symlink resumed>) = 0 [pid 5079] mkdir("./33", 0777 [pid 5852] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5081] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... mkdir resumed>) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 5852] <... symlink resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] lstat("./32/file0", [pid 5079] <... openat resumed>) = 3 [pid 5078] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5852] <... openat resumed>) = 3 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5852] write(3, "1000", 4 [pid 5081] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5852] <... write resumed>) = 4 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] close(3 [pid 5078] lstat("./31/file0", [pid 5852] close(3 [pid 5081] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... close resumed>) = 0 [pid 5852] <... close resumed>) = 0 [pid 5081] <... openat resumed>) = 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5853 attached [pid 5852] read(200, [pid 5081] fstat(4, [pid 5078] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5853] set_robust_list(0x5555565af5e0, 24 [pid 5852] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] getdents64(4, [pid 5852] symlink("/dev/binderfs", "./binderfs" [pid 5078] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5852] <... symlink resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 93 [pid 5078] <... openat resumed>) = 4 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5852] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] getdents64(4, [pid 5078] fstat(4, [pid 5853] chdir("./33" [pid 5852] <... futex resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5853] <... chdir resumed>) = 0 [pid 5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] close(4 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5852] <... mmap resumed>) = 0x7f87c84f0000 [pid 5081] <... close resumed>) = 0 [pid 5078] getdents64(4, [pid 5853] <... prctl resumed>) = 0 [pid 5852] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5081] rmdir("./32/file0" [pid 5853] setpgid(0, 0 [pid 5852] <... mprotect resumed>) = 0 [pid 5082] <... umount2 resumed>) = 0 [pid 5081] <... rmdir resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5853] <... setpgid resumed>) = 0 [pid 5852] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] getdents64(4, ./strace-static-x86_64: Process 5854 attached [pid 5853] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5854] set_robust_list(0x7f87c85109e0, 24 [pid 5853] <... symlink resumed>) = 0 [pid 5852] <... clone resumed>, parent_tid=[95], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 95 [pid 5082] lstat("./32/file0", [pid 5081] lstat("./32/cgroup.cpu", [pid 5078] close(4 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5853] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5852] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... close resumed>) = 0 [pid 5854] memfd_create("syzkaller", 0 [pid 5853] <... symlink resumed>) = 0 [pid 5852] <... futex resumed>) = 0 [pid 5082] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] unlink("./32/cgroup.cpu" [pid 5078] rmdir("./31/file0" [pid 5854] <... memfd_create resumed>) = 3 [pid 5853] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5852] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... unlink resumed>) = 0 [pid 5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5853] <... symlink resumed>) = 0 [pid 5081] getdents64(3, [pid 5082] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... rmdir resumed>) = 0 [pid 5854] <... mmap resumed>) = 0x7f87c00f0000 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] <... openat resumed>) = 4 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5851] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5081] close(3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] <... openat resumed>) = 3 [pid 5081] <... close resumed>) = 0 [pid 5078] lstat("./31/cgroup.cpu", [pid 5853] write(3, "1000", 4 [pid 5081] rmdir("./32" [pid 5853] <... write resumed>) = 4 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] <... rmdir resumed>) = 0 [pid 5078] unlink("./31/cgroup.cpu" [pid 5853] close(3 [pid 5081] mkdir("./33", 0777 [pid 5078] <... unlink resumed>) = 0 [pid 5081] <... mkdir resumed>) = 0 [pid 5853] <... close resumed>) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5078] getdents64(3, [pid 5853] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] <... openat resumed>) = 3 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5853] symlink("/dev/binderfs", "./binderfs" [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5078] close(3 [pid 5853] <... symlink resumed>) = 0 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] <... close resumed>) = 0 [pid 5853] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] fstat(4, [pid 5078] rmdir("./31" [pid 5853] <... futex resumed>) = 0 [pid 5081] close(3 [pid 5078] <... rmdir resumed>) = 0 [pid 5853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... close resumed>) = 0 [pid 5078] mkdir("./32", 0777 [pid 5853] <... mmap resumed>) = 0x7f87c84f0000 [pid 5082] getdents64(4, [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5855 attached [pid 5853] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5855] set_robust_list(0x5555565af5e0, 24 [pid 5853] <... mprotect resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 96 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5853] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] getdents64(4, [pid 5078] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5856 attached [pid 5855] chdir("./33" [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5856] set_robust_list(0x7f87c85109e0, 24 [pid 5855] <... chdir resumed>) = 0 [pid 5853] <... clone resumed>, parent_tid=[94], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 94 [pid 5082] close(4 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5853] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... close resumed>) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5856] memfd_create("syzkaller", 0 [pid 5855] <... prctl resumed>) = 0 [pid 5853] <... futex resumed>) = 0 [pid 5082] rmdir("./32/file0" [pid 5078] close(3 [pid 5856] <... memfd_create resumed>) = 3 [pid 5855] setpgid(0, 0 [pid 5853] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] <... rmdir resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5855] <... setpgid resumed>) = 0 [pid 5082] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] <... mmap resumed>) = 0x7f87c00f0000 [pid 5855] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5857 attached [pid 5855] <... symlink resumed>) = 0 [pid 5855] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5855] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] lstat("./32/cgroup.cpu", [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 88 [pid 5857] set_robust_list(0x5555565af5e0, 24 [pid 5855] <... openat resumed>) = 3 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5855] write(3, "1000", 4 [pid 5082] unlink("./32/cgroup.cpu" [pid 5857] chdir("./32" [pid 5855] <... write resumed>) = 4 [pid 5082] <... unlink resumed>) = 0 [pid 5857] <... chdir resumed>) = 0 [pid 5855] close(3 [pid 5082] getdents64(3, [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5855] <... close resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5857] <... prctl resumed>) = 0 [pid 5855] read(200, [pid 5082] close(3 [pid 5857] setpgid(0, 0 [pid 5855] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] <... close resumed>) = 0 [pid 5857] <... setpgid resumed>) = 0 [pid 5855] symlink("/dev/binderfs", "./binderfs" [pid 5082] rmdir("./32" [pid 5857] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5855] <... symlink resumed>) = 0 [pid 5082] <... rmdir resumed>) = 0 [pid 5857] <... symlink resumed>) = 0 [pid 5855] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] mkdir("./33", 0777 [pid 5857] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5855] <... futex resumed>) = 0 [pid 5082] <... mkdir resumed>) = 0 [pid 5857] <... symlink resumed>) = 0 [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5857] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5855] <... mmap resumed>) = 0x7f87c84f0000 [pid 5082] <... openat resumed>) = 3 [pid 5857] <... symlink resumed>) = 0 [pid 5855] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] <... mprotect resumed>) = 0 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5857] <... openat resumed>) = 3 [pid 5855] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] close(3./strace-static-x86_64: Process 5858 attached [pid 5857] write(3, "1000", 4 [pid 5082] <... close resumed>) = 0 [pid 5858] set_robust_list(0x7f87c85109e0, 24 [pid 5857] <... write resumed>) = 4 [pid 5855] <... clone resumed>, parent_tid=[97], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 97 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] <... set_robust_list resumed>) = 0 [pid 5857] close(3 [pid 5855] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] memfd_create("syzkaller", 0 [pid 5855] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5859 attached [pid 5858] <... memfd_create resumed>) = 3 [pid 5857] <... close resumed>) = 0 [pid 5855] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 96 [pid 5859] set_robust_list(0x5555565af5e0, 24 [pid 5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5857] read(200, [pid 5859] <... set_robust_list resumed>) = 0 [pid 5858] <... mmap resumed>) = 0x7f87c00f0000 [pid 5857] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] chdir("./33" [pid 5857] symlink("/dev/binderfs", "./binderfs" [pid 5856] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5854] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5859] <... chdir resumed>) = 0 [pid 5857] <... symlink resumed>) = 0 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5857] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... prctl resumed>) = 0 [pid 5857] <... futex resumed>) = 0 [pid 5859] setpgid(0, 0 [pid 5857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... setpgid resumed>) = 0 [pid 5857] <... mmap resumed>) = 0x7f87c84f0000 [pid 5859] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5857] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5859] <... symlink resumed>) = 0 [pid 5857] <... mprotect resumed>) = 0 [pid 5859] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5857] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5859] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5860 attached [pid 5859] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5860] set_robust_list(0x7f87c85109e0, 24 [pid 5859] <... symlink resumed>) = 0 [pid 5857] <... clone resumed>, parent_tid=[89], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 89 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] memfd_create("syzkaller", 0 [pid 5859] <... openat resumed>) = 3 [pid 5857] <... futex resumed>) = 0 [pid 5860] <... memfd_create resumed>) = 3 [pid 5859] write(3, "1000", 4 [pid 5857] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5859] <... write resumed>) = 4 [pid 5860] <... mmap resumed>) = 0x7f87c00f0000 [pid 5859] close(3) = 0 [pid 5859] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5859] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5859] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5859] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5861 attached [pid 5861] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 5859] <... clone resumed>, parent_tid=[97], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 97 [pid 5861] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... write resumed>) = 4194304 [pid 5861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... futex resumed>) = 0 [pid 5858] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5861] memfd_create("syzkaller", 0 [pid 5859] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5861] <... memfd_create resumed>) = 3 [pid 5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5851] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5851] ioctl(4, LOOP_SET_FD, 3 [pid 5860] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5851] <... ioctl resumed>) = 0 [pid 5851] close(3) = 0 [pid 5851] mkdir("./file0", 0777) = 0 [pid 5851] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5854] <... write resumed>) = 4194304 [ 117.573572][ T5851] loop4: detected capacity change from 0 to 8192 [pid 5854] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5854] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5854] close(3 [pid 5856] <... write resumed>) = 4194304 [pid 5854] <... close resumed>) = 0 [pid 5854] mkdir("./file0", 0777 [pid 5856] munmap(0x7f87c00f0000, 4194304 [pid 5854] <... mkdir resumed>) = 0 [pid 5856] <... munmap resumed>) = 0 [pid 5854] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 117.628112][ T5851] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 117.648283][ T5854] loop2: detected capacity change from 0 to 8192 [pid 5860] <... write resumed>) = 4194304 [pid 5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5861] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5856] <... openat resumed>) = 4 [ 117.677541][ T5854] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 117.695329][ T5854] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 117.707325][ T5854] REISERFS (device loop2): using ordered data mode [ 117.708411][ T5856] loop1: detected capacity change from 0 to 8192 [ 117.714054][ T5854] reiserfs: using flush barriers [pid 5856] ioctl(4, LOOP_SET_FD, 3 [pid 5860] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5860] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5856] <... ioctl resumed>) = 0 [pid 5860] <... openat resumed>) = 4 [pid 5856] close(3) = 0 [pid 5860] ioctl(4, LOOP_SET_FD, 3 [ 117.715713][ T5854] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 117.726882][ T5851] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 117.745806][ T5854] REISERFS (device loop2): checking transaction log (loop2) [ 117.763251][ T5854] REISERFS (device loop2): Using r5 hash to sort names [pid 5856] mkdir("./file0", 0777) = 0 [ 117.770782][ T5854] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 117.777858][ T5860] loop0: detected capacity change from 0 to 8192 [ 117.784151][ T5854] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5856] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5858] <... write resumed>) = 4194304 [pid 5854] <... mount resumed>) = 0 [pid 5858] munmap(0x7f87c00f0000, 4194304 [pid 5854] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5858] <... munmap resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5854] <... openat resumed>) = 3 [pid 5858] <... openat resumed>) = 4 [pid 5858] ioctl(4, LOOP_SET_FD, 3 [pid 5854] chdir("./file0") = 0 [pid 5854] ioctl(4, LOOP_CLR_FD) = 0 [ 117.815928][ T5856] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 117.827575][ T5851] REISERFS (device loop4): using ordered data mode [ 117.837874][ T5851] reiserfs: using flush barriers [ 117.845929][ T5851] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 117.848891][ T5858] loop3: detected capacity change from 0 to 8192 [pid 5854] close(4) = 0 [pid 5854] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5854] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] <... futex resumed>) = 0 [pid 5852] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... ioctl resumed>) = 0 [pid 5860] close(3) = 0 [pid 5860] mkdir("./file0", 0777) = 0 [pid 5860] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5854] <... futex resumed>) = 0 [pid 5852] <... futex resumed>) = 1 [pid 5851] <... mount resumed>) = 0 [ 117.867738][ T5851] REISERFS (device loop4): checking transaction log (loop4) [ 117.881805][ T5851] REISERFS (device loop4): Using r5 hash to sort names [ 117.890413][ T5851] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 117.904860][ T5851] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 117.915500][ T5856] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 5854] mkdir("./file1", 000) = 0 [pid 5854] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5854] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5851] chdir("./file0" [pid 5852] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = 0 [ 117.927047][ T5856] REISERFS (device loop1): using ordered data mode [ 117.934435][ T5856] reiserfs: using flush barriers [ 117.946327][ T5856] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 117.946568][ T5860] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5858] <... ioctl resumed>) = 0 [pid 5852] <... futex resumed>) = 1 [pid 5851] <... chdir resumed>) = 0 [pid 5854] mkdir("./bus", 000) = 0 [pid 5854] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5854] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] close(3 [pid 5852] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] ioctl(4, LOOP_CLR_FD [pid 5858] <... close resumed>) = 0 [pid 5852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5851] <... ioctl resumed>) = 0 [pid 5858] mkdir("./file0", 0777 [pid 5852] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] close(4) = 0 [pid 5858] <... mkdir resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5852] <... futex resumed>) = 1 [pid 5854] mkdir("./file0", 000) = 0 [pid 5854] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5854] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5851] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... futex resumed>) = 1 [pid 5850] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5852] <... futex resumed>) = 1 [pid 5851] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5850] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5852] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5850] <... futex resumed>) = 0 [pid 5851] mkdir("./file1", 000 [pid 5850] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... mkdir resumed>) = 0 [pid 5851] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... write resumed>) = 4194304 [pid 5851] <... futex resumed>) = 1 [pid 5850] <... futex resumed>) = 0 [ 117.965601][ T5856] REISERFS (device loop1): checking transaction log (loop1) [ 117.989337][ T5856] REISERFS (device loop1): Using r5 hash to sort names [ 118.014902][ T5854] overlayfs: upper fs needs to support d_type. [pid 5851] mkdir("./bus", 000 [pid 5850] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5850] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... mkdir resumed>) = 0 [pid 5861] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5861] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5861] ioctl(4, LOOP_SET_FD, 3 [pid 5852] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5861] <... ioctl resumed>) = 0 [pid 5861] close(3) = 0 [pid 5861] mkdir("./file0", 0777) = 0 [ 118.033627][ T5856] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 118.035100][ T5854] overlayfs: upper fs does not support tmpfile. [ 118.055722][ T5858] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 118.062104][ T5861] loop5: detected capacity change from 0 to 8192 [pid 5861] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5856] <... mount resumed>) = 0 [pid 5856] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5856] chdir("./file0") = 0 [pid 5856] ioctl(4, LOOP_CLR_FD) = 0 [pid 5856] close(4) = 0 [pid 5856] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5856] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5851] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5851] <... futex resumed>) = 0 [pid 5850] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] mkdir("./file0", 000 [pid 5850] <... futex resumed>) = 0 [pid 5851] <... mkdir resumed>) = 0 [pid 5850] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 118.071278][ T5854] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 118.084269][ T5856] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 118.085752][ T5860] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 118.105531][ T5858] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 118.117318][ T5858] REISERFS (device loop3): using ordered data mode [pid 5851] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... futex resumed>) = 0 [pid 5850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] <... futex resumed>) = 0 [pid 5851] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5850] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5850] <... futex resumed>) = 0 [pid 5851] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5850] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] <... mount resumed>) = 0 [pid 5853] <... futex resumed>) = 0 [pid 5852] <... mmap resumed>) = 0x7f87c04cf000 [pid 5854] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5856] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5853] <... futex resumed>) = 1 [pid 5852] <... mprotect resumed>) = 0 [ 118.127927][ T5861] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 118.150012][ T5851] overlayfs: upper fs needs to support d_type. [ 118.153272][ T5860] REISERFS (device loop0): using ordered data mode [ 118.158882][ T5851] overlayfs: upper fs does not support tmpfile. [ 118.165609][ T5860] reiserfs: using flush barriers [ 118.173354][ T5858] reiserfs: using flush barriers [pid 5856] mkdir("./file1", 000 [pid 5854] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5856] <... mkdir resumed>) = 0 [pid 5856] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5853] <... futex resumed>) = 0 [pid 5852] <... clone resumed>, parent_tid=[96], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 96 [pid 5856] mkdir("./bus", 000 [pid 5853] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5868 attached [pid 5856] <... mkdir resumed>) = 0 [pid 5853] <... futex resumed>) = 0 [pid 5852] <... futex resumed>) = 0 [pid 5856] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5856] <... futex resumed>) = 0 [pid 5853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] mkdir("./file0", 000 [pid 5853] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... mkdir resumed>) = 0 [pid 5853] <... futex resumed>) = 0 [pid 5856] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 118.178820][ T5861] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 118.184789][ T5860] 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 [ 118.191854][ T5861] REISERFS (device loop5): using ordered data mode [ 118.220472][ T5861] reiserfs: using flush barriers [pid 5853] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] <... futex resumed>) = 0 [pid 5853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5868] set_robust_list(0x7f87c04ef9e0, 24 [pid 5856] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5853] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5868] mkdir(".", 0777 [pid 5853] <... futex resumed>) = 0 [pid 5868] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5868] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5851] <... mount resumed>) = 0 [pid 5853] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 118.228050][ T5851] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 118.242864][ T5860] REISERFS (device loop0): checking transaction log (loop0) [ 118.242955][ T5856] overlayfs: upper fs needs to support d_type. [ 118.257767][ T5861] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5851] <... futex resumed>) = 0 [pid 5850] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] mkdir(".", 0777 [pid 5850] <... futex resumed>) = 0 [pid 5851] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5850] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 118.262889][ T5868] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 118.277212][ T5861] REISERFS (device loop5): checking transaction log (loop5) [ 118.291108][ T5858] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 118.299792][ T5861] REISERFS (device loop5): Using r5 hash to sort names [ 118.320378][ T5856] overlayfs: upper fs does not support tmpfile. [pid 5851] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5868] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5868] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... futex resumed>) = 0 [pid 5852] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5854] <... futex resumed>) = 0 [pid 5854] unlink(NULL [pid 5852] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5854] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5852] close(3) = 0 [pid 5854] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] close(4) = -1 EBADF (Bad file descriptor) [pid 5852] close(5) = -1 EBADF (Bad file descriptor) [pid 5852] close(6) = -1 EBADF (Bad file descriptor) [pid 5852] close(7) = -1 EBADF (Bad file descriptor) [pid 5852] close(8) = -1 EBADF (Bad file descriptor) [pid 5852] close(9) = -1 EBADF (Bad file descriptor) [pid 5852] close(10) = -1 EBADF (Bad file descriptor) [pid 5852] close(11) = -1 EBADF (Bad file descriptor) [pid 5852] close(12) = -1 EBADF (Bad file descriptor) [pid 5852] close(13) = -1 EBADF (Bad file descriptor) [pid 5852] close(14) = -1 EBADF (Bad file descriptor) [pid 5852] close(15) = -1 EBADF (Bad file descriptor) [pid 5852] close(16) = -1 EBADF (Bad file descriptor) [pid 5852] close(17) = -1 EBADF (Bad file descriptor) [pid 5852] close(18) = -1 EBADF (Bad file descriptor) [pid 5852] close(19) = -1 EBADF (Bad file descriptor) [pid 5852] close(20) = -1 EBADF (Bad file descriptor) [pid 5852] close(21) = -1 EBADF (Bad file descriptor) [pid 5852] close(22) = -1 EBADF (Bad file descriptor) [pid 5852] close(23) = -1 EBADF (Bad file descriptor) [pid 5852] close(24) = -1 EBADF (Bad file descriptor) [pid 5852] close(25) = -1 EBADF (Bad file descriptor) [pid 5852] close(26) = -1 EBADF (Bad file descriptor) [pid 5852] close(27) = -1 EBADF (Bad file descriptor) [pid 5852] close(28) = -1 EBADF (Bad file descriptor) [pid 5852] close(29) = -1 EBADF (Bad file descriptor) [pid 5852] exit_group(0) = ? [pid 5854] <... futex resumed>) = ? [pid 5854] +++ exited with 0 +++ [pid 5868] <... futex resumed>) = ? [pid 5851] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5851] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5850] <... futex resumed>) = 0 [pid 5851] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5850] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... mount resumed>) = 0 [pid 5851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5850] <... futex resumed>) = 0 [pid 5861] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5851] unlink(NULL [pid 5850] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5851] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5850] <... futex resumed>) = 0 [pid 5851] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5850] close(3 [pid 5868] +++ exited with 0 +++ [pid 5861] <... openat resumed>) = 3 [pid 5852] +++ exited with 0 +++ [pid 5850] <... close resumed>) = 0 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5850] close(4 [pid 5861] chdir("./file0" [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5861] <... chdir resumed>) = 0 [pid 5850] close(5 [pid 5861] ioctl(4, LOOP_CLR_FD [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [ 118.327937][ T5851] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 118.331443][ T5856] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 118.345345][ T5861] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 118.369582][ T5861] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5850] close(6 [pid 5861] <... ioctl resumed>) = 0 [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5861] close(4 [pid 5856] <... mount resumed>) = 0 [pid 5850] close(7 [pid 5083] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5853] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5853] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5853] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[95], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 95 [pid 5853] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5853] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] <... openat resumed>) = 3 [pid 5850] close(8 [pid 5083] fstat(3, [pid 5856] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5861] <... close resumed>) = 0 [pid 5856] <... futex resumed>) = 0 [pid 5850] close(9 [pid 5083] getdents64(3, [pid 5861] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5850] close(10 [pid 5083] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5861] <... futex resumed>) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5850] close(11 [pid 5083] lstat("./33/binderfs", [pid 5861] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... futex resumed>) = 0 [pid 5850] close(12 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5861] mkdir("./file1", 000 [pid 5859] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] unlink("./33/binderfs" [pid 5850] close(13) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 5861] <... mkdir resumed>) = 0 [pid 5850] close(14 [pid 5861] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5861] <... futex resumed>) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5850] close(15 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5861] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./33/cgroup", [pid 5861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... futex resumed>) = 0 [pid 5850] close(16 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5861] mkdir("./bus", 000 [pid 5859] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] unlink("./33/cgroup"./strace-static-x86_64: Process 5869 attached [pid 5861] <... mkdir resumed>) = 0 [pid 5850] close(17 [pid 5083] <... unlink resumed>) = 0 [pid 5869] set_robust_list(0x7f87c04ef9e0, 24 [pid 5861] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5869] <... set_robust_list resumed>) = 0 [pid 5861] <... futex resumed>) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5850] close(18 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5861] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./33/cgroup.net", [pid 5861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... futex resumed>) = 0 [pid 5850] close(19 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5861] mkdir("./file0", 000 [pid 5859] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] unlink("./33/cgroup.net" [pid 5869] mkdir(".", 0777 [pid 5861] <... mkdir resumed>) = 0 [pid 5850] close(20 [pid 5869] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5861] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [ 118.390985][ T5860] REISERFS (device loop0): Using r5 hash to sort names [ 118.398771][ T5858] REISERFS (device loop3): checking transaction log (loop3) [ 118.424541][ T5860] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5869] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5861] <... futex resumed>) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5861] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5860] <... mount resumed>) = 0 [pid 5859] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] close(21 [ 118.457236][ T5860] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 118.466312][ T5869] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 118.490597][ T5858] REISERFS (device loop3): Using r5 hash to sort names [pid 5083] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5859] <... futex resumed>) = 0 [pid 5850] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5850] close(22) = -1 EBADF (Bad file descriptor) [pid 5850] close(23) = -1 EBADF (Bad file descriptor) [pid 5850] close(24) = -1 EBADF (Bad file descriptor) [pid 5850] close(25) = -1 EBADF (Bad file descriptor) [pid 5850] close(26) = -1 EBADF (Bad file descriptor) [pid 5850] close(27) = -1 EBADF (Bad file descriptor) [pid 5850] close(28) = -1 EBADF (Bad file descriptor) [pid 5850] close(29) = -1 EBADF (Bad file descriptor) [pid 5850] exit_group(0 [pid 5851] <... futex resumed>) = ? [pid 5850] <... exit_group resumed>) = ? [pid 5851] +++ exited with 0 +++ [pid 5850] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5080] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5860] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5080] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5080] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5080] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] unlink("./34/binderfs") = 0 [pid 5080] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./34/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] unlink("./34/cgroup") = 0 [pid 5080] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5860] <... openat resumed>) = 3 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./34/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5860] chdir("./file0" [pid 5080] unlink("./34/cgroup.net") = 0 [pid 5080] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5869] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5861] <... mount resumed>) = 0 [pid 5860] <... chdir resumed>) = 0 [pid 5869] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5860] ioctl(4, LOOP_CLR_FD [pid 5853] <... futex resumed>) = 0 [pid 5869] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] <... ioctl resumed>) = 0 [pid 5853] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] close(4 [pid 5853] <... futex resumed>) = 1 [pid 5860] <... close resumed>) = 0 [pid 5853] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5860] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 118.493819][ T5861] overlayfs: upper fs needs to support d_type. [ 118.515003][ T5861] overlayfs: upper fs does not support tmpfile. [ 118.527726][ T5861] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5861] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] <... futex resumed>) = 0 [pid 5856] unlink(NULL) = -1 EFAULT (Bad address) [pid 5856] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5853] <... futex resumed>) = 0 [pid 5856] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] close(3) = 0 [pid 5853] close(4) = -1 EBADF (Bad file descriptor) [pid 5853] close(5) = -1 EBADF (Bad file descriptor) [pid 5853] close(6) = -1 EBADF (Bad file descriptor) [pid 5853] close(7) = -1 EBADF (Bad file descriptor) [pid 5859] <... futex resumed>) = 0 [pid 5857] <... futex resumed>) = 0 [pid 5853] close(8) = -1 EBADF (Bad file descriptor) [pid 5857] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] close(9 [pid 5860] <... futex resumed>) = 0 [pid 5859] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... futex resumed>) = 1 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5860] mkdir("./file1", 000 [pid 5853] close(10 [pid 5861] <... futex resumed>) = 0 [pid 5860] <... mkdir resumed>) = 0 [pid 5859] <... futex resumed>) = 1 [pid 5857] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5861] mkdir(".", 0777 [pid 5860] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5853] close(11 [pid 5861] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5860] <... futex resumed>) = 0 [pid 5857] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5861] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5860] mkdir("./bus", 000 [pid 5857] <... futex resumed>) = 0 [pid 5853] close(12 [pid 5860] <... mkdir resumed>) = 0 [pid 5857] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 118.535155][ T5858] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5860] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... mount resumed>) = 0 [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5853] close(13 [pid 5860] <... futex resumed>) = 0 [pid 5857] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5860] mkdir("./file0", 000 [pid 5857] <... futex resumed>) = 0 [pid 5853] close(14 [pid 5860] <... mkdir resumed>) = 0 [pid 5857] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5860] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5853] close(15 [pid 5860] <... futex resumed>) = 0 [pid 5858] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5857] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5860] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5858] <... openat resumed>) = 3 [pid 5857] <... futex resumed>) = 0 [pid 5853] close(16 [pid 5857] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] close(17) = -1 EBADF (Bad file descriptor) [pid 5853] close(18) = -1 EBADF (Bad file descriptor) [pid 5853] close(19) = -1 EBADF (Bad file descriptor) [pid 5853] close(20) = -1 EBADF (Bad file descriptor) [pid 5853] close(21) = -1 EBADF (Bad file descriptor) [pid 5858] chdir("./file0" [pid 5853] close(22 [pid 5858] <... chdir resumed>) = 0 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] ioctl(4, LOOP_CLR_FD [pid 5853] close(23 [pid 5858] <... ioctl resumed>) = 0 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 118.610845][ T5858] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 118.612305][ T5861] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 118.653629][ T5860] overlayfs: upper fs needs to support d_type. [pid 5853] close(24) = -1 EBADF (Bad file descriptor) [pid 5853] close(25) = -1 EBADF (Bad file descriptor) [pid 5853] close(26) = -1 EBADF (Bad file descriptor) [pid 5853] close(27) = -1 EBADF (Bad file descriptor) [pid 5853] close(28) = -1 EBADF (Bad file descriptor) [pid 5858] close(4 [pid 5853] close(29 [pid 5858] <... close resumed>) = 0 [pid 5853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5853] exit_group(0 [pid 5869] <... futex resumed>) = ? [pid 5856] <... futex resumed>) = ? [pid 5853] <... exit_group resumed>) = ? [pid 5869] +++ exited with 0 +++ [pid 5858] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] +++ exited with 0 +++ [pid 5853] +++ exited with 0 +++ [pid 5858] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5855] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5079] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5858] mkdir("./file1", 000 [pid 5079] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5858] <... mkdir resumed>) = 0 [pid 5079] lstat("./33/binderfs", [pid 5858] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5858] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5079] unlink("./33/binderfs" [pid 5858] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... unlink resumed>) = 0 [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] <... futex resumed>) = 0 [pid 5079] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5858] mkdir("./bus", 000 [pid 5855] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... mkdir resumed>) = 0 [pid 5079] lstat("./33/cgroup", [pid 5858] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5858] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5079] unlink("./33/cgroup" [pid 5858] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... unlink resumed>) = 0 [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] <... futex resumed>) = 0 [pid 5079] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5858] mkdir("./file0", 000 [pid 5855] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... mkdir resumed>) = 0 [pid 5079] lstat("./33/cgroup.net", [pid 5858] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5858] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5079] unlink("./33/cgroup.net" [pid 5858] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... unlink resumed>) = 0 [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5855] <... futex resumed>) = 0 [ 118.664070][ T5860] overlayfs: upper fs does not support tmpfile. [ 118.699409][ T5860] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5079] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5858] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5857] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] <... mount resumed>) = 0 [pid 5860] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5857] <... futex resumed>) = 0 [pid 5857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5857] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5857] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5870 attached [pid 5870] set_robust_list(0x7f87c04ef9e0, 24 [pid 5857] <... clone resumed>, parent_tid=[90], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 90 [pid 5857] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... set_robust_list resumed>) = 0 [pid 5857] <... futex resumed>) = 0 [pid 5857] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5870] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5870] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5860] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] <... umount2 resumed>) = 0 [pid 5080] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./34/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 118.739848][ T5858] overlayfs: upper fs needs to support d_type. [ 118.764221][ T5858] overlayfs: upper fs does not support tmpfile. [pid 5080] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5861] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5861] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5859] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5080] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5859] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... openat resumed>) = 4 [pid 5855] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] <... umount2 resumed>) = 0 [pid 5861] unlink(NULL) = -1 EFAULT (Bad address) [pid 5861] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5861] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5870] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5080] fstat(4, [pid 5870] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] close(3 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5859] <... close resumed>) = 0 [pid 5080] getdents64(4, [pid 5859] close(4 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./33/file0", [pid 5080] getdents64(4, [pid 5859] close(5 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] close(4 [pid 5859] close(6 [pid 5855] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... close resumed>) = 0 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... mount resumed>) = 0 [pid 5857] <... futex resumed>) = 0 [pid 5855] <... futex resumed>) = 0 [pid 5083] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] rmdir("./34/file0" [pid 5859] close(7 [pid 5858] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] <... openat resumed>) = 4 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... mmap resumed>) = 0x7f87c04cf000 [pid 5858] <... futex resumed>) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5857] <... futex resumed>) = 1 [pid 5083] fstat(4, [pid 5860] unlink(NULL [pid 5859] close(8 [pid 5858] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5080] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5860] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5860] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5860] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... mprotect resumed>) = 0 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5859] close(9 [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] getdents64(4, [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5871 attached [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(3 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] lstat("./34/cgroup.cpu", [pid 5871] set_robust_list(0x7f87c04ef9e0, 24 [pid 5859] close(10 [pid 5857] <... close resumed>) = 0 [pid 5855] <... clone resumed>, parent_tid=[98], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 98 [pid 5083] getdents64(4, [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5871] <... set_robust_list resumed>) = 0 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(4 [pid 5855] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 118.796147][ T5870] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 118.820079][ T5858] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5859] close(11 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5871] mkdir(".", 0777 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(5 [pid 5083] close(4 [pid 5080] unlink("./34/cgroup.cpu" [pid 5871] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5859] close(12 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = 0 [pid 5871] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(6 [pid 5083] rmdir("./33/file0" [pid 5080] <... unlink resumed>) = 0 [pid 5859] close(13 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... rmdir resumed>) = 0 [pid 5080] getdents64(3, [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(7 [pid 5083] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5859] close(14 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(8 [pid 5083] lstat("./33/cgroup.cpu", [pid 5859] close(15 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(9 [pid 5083] unlink("./33/cgroup.cpu" [pid 5859] close(16 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(10 [pid 5083] getdents64(3, [pid 5859] close(17 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(11 [pid 5083] close(3 [pid 5859] close(18 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = 0 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(12 [pid 5083] rmdir("./33" [pid 5859] close(19 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... rmdir resumed>) = 0 [pid 5080] close(3 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(13 [pid 5083] mkdir("./34", 0777 [pid 5080] <... close resumed>) = 0 [pid 5871] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5859] close(20 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] rmdir("./34" [pid 5079] <... umount2 resumed>) = 0 [pid 5871] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(14 [pid 5083] <... mkdir resumed>) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 5079] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5871] <... futex resumed>) = 1 [pid 5859] close(21 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... futex resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5080] mkdir("./35", 0777 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5871] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(15 [pid 5855] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... openat resumed>) = 3 [pid 5080] <... mkdir resumed>) = 0 [pid 5079] lstat("./33/file0", [pid 5859] close(22 [pid 5858] <... futex resumed>) = 0 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... futex resumed>) = 1 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] unlink(NULL [pid 5857] close(16 [pid 5855] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5080] <... openat resumed>) = 3 [pid 5079] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5859] close(23 [pid 5858] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(3 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] close(17 [pid 5083] <... close resumed>) = 0 [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] <... futex resumed>) = 1 [pid 5080] close(3 [pid 5079] <... openat resumed>) = 4 [pid 5858] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] <... close resumed>) = 0 [pid 5079] fstat(4, [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5872 attached [pid 5859] close(24 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... futex resumed>) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] getdents64(4, [pid 5872] set_robust_list(0x5555565af5e0, 24 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(18 [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 95 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] close(4./strace-static-x86_64: Process 5873 attached [pid 5872] <... set_robust_list resumed>) = 0 [pid 5859] close(25 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] close(3 [pid 5079] <... close resumed>) = 0 [pid 5873] set_robust_list(0x5555565af5e0, 24 [pid 5872] chdir("./35" [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(19 [pid 5855] <... close resumed>) = 0 [pid 5079] rmdir("./33/file0" [pid 5873] <... set_robust_list resumed>) = 0 [pid 5872] <... chdir resumed>) = 0 [pid 5859] close(26 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 97 [pid 5079] <... rmdir resumed>) = 0 [pid 5873] chdir("./34" [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(20 [pid 5855] close(4 [pid 5079] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5873] <... chdir resumed>) = 0 [pid 5872] <... prctl resumed>) = 0 [pid 5859] close(27 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] setpgid(0, 0 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(21 [pid 5855] close(5 [pid 5079] lstat("./33/cgroup.cpu", [pid 5873] <... prctl resumed>) = 0 [pid 5872] <... setpgid resumed>) = 0 [pid 5859] close(28 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5873] setpgid(0, 0 [pid 5079] unlink("./33/cgroup.cpu" [pid 5873] <... setpgid resumed>) = 0 [pid 5872] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(22 [pid 5855] close(6 [pid 5079] <... unlink resumed>) = 0 [pid 5873] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5079] getdents64(3, [pid 5873] <... symlink resumed>) = 0 [pid 5872] <... symlink resumed>) = 0 [pid 5859] close(29 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5873] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5872] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] close(23 [pid 5855] close(7 [pid 5079] close(3 [pid 5873] <... symlink resumed>) = 0 [pid 5872] <... symlink resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5873] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5079] rmdir("./33" [pid 5873] <... symlink resumed>) = 0 [pid 5872] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5859] exit_group(0 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... rmdir resumed>) = 0 [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5857] close(24 [pid 5079] mkdir("./34", 0777 [pid 5872] <... symlink resumed>) = 0 [pid 5873] <... openat resumed>) = 3 [pid 5861] <... futex resumed>) = ? [pid 5859] <... exit_group resumed>) = ? [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] close(8 [pid 5079] <... mkdir resumed>) = 0 [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] write(3, "1000", 4 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5873] <... write resumed>) = 4 [pid 5079] <... openat resumed>) = 3 [pid 5873] close(3 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5873] <... close resumed>) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 118.889834][ T5871] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5873] read(200, [pid 5861] +++ exited with 0 +++ [pid 5859] +++ exited with 0 +++ [pid 5872] <... openat resumed>) = 3 [pid 5857] close(25 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(3 [pid 5873] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5872] write(3, "1000", 4 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] close(9 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5079] <... close resumed>) = 0 [pid 5873] symlink("/dev/binderfs", "./binderfs" [pid 5872] <... write resumed>) = 4 [pid 5857] close(26 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] restart_syscall(<... resuming interrupted clone ...> [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5874 attached [pid 5873] <... symlink resumed>) = 0 [pid 5872] close(3 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] close(10 [pid 5082] <... restart_syscall resumed>) = 0 [pid 5874] set_robust_list(0x5555565af5e0, 24 [pid 5873] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... close resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 96 [pid 5874] <... set_robust_list resumed>) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5872] read(200, [pid 5857] close(27 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] chdir("./34" [pid 5873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5872] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] close(11 [pid 5082] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5874] <... chdir resumed>) = 0 [pid 5873] <... mmap resumed>) = 0x7f87c84f0000 [pid 5872] symlink("/dev/binderfs", "./binderfs" [pid 5857] close(28 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5872] <... symlink resumed>) = 0 [pid 5082] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... prctl resumed>) = 0 [pid 5873] <... mprotect resumed>) = 0 [pid 5872] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] close(12 [pid 5082] <... openat resumed>) = 3 [pid 5874] setpgid(0, 0 [pid 5873] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5872] <... futex resumed>) = 0 [pid 5857] close(29 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] fstat(3, ./strace-static-x86_64: Process 5875 attached [pid 5874] <... setpgid resumed>) = 0 [pid 5872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] close(13 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5875] set_robust_list(0x7f87c85109e0, 24 [pid 5874] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5873] <... clone resumed>, parent_tid=[98], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 98 [pid 5857] exit_group(0 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(3, [pid 5875] <... set_robust_list resumed>) = 0 [pid 5873] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... mmap resumed>) = 0x7f87c84f0000 [pid 5870] <... futex resumed>) = ? [pid 5860] <... futex resumed>) = ? [pid 5857] <... exit_group resumed>) = ? [pid 5855] close(14 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5875] memfd_create("syzkaller", 0 [pid 5874] <... symlink resumed>) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5872] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5860] +++ exited with 0 +++ [pid 5082] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5875] <... memfd_create resumed>) = 3 [pid 5873] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5082] lstat("./33/binderfs", [pid 5875] <... mmap resumed>) = 0x7f87c00f0000 [pid 5870] +++ exited with 0 +++ [pid 5857] +++ exited with 0 +++ [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5874] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5872] <... mprotect resumed>) = 0 [pid 5855] close(15 [pid 5082] unlink("./33/binderfs" [pid 5874] <... symlink resumed>) = 0 [pid 5872] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- ./strace-static-x86_64: Process 5876 attached [pid 5874] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5855] close(16 [pid 5082] <... unlink resumed>) = 0 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5876] set_robust_list(0x7f87c85109e0, 24 [pid 5874] <... symlink resumed>) = 0 [pid 5872] <... clone resumed>, parent_tid=[96], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 96 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... restart_syscall resumed>) = 0 [pid 5876] <... set_robust_list resumed>) = 0 [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] close(17 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5876] memfd_create("syzkaller", 0 [pid 5875] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5874] <... openat resumed>) = 3 [pid 5872] <... futex resumed>) = 0 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./33/cgroup", [pid 5876] <... memfd_create resumed>) = 3 [pid 5874] write(3, "1000", 4 [pid 5872] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5855] close(18 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5874] <... write resumed>) = 4 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./33/cgroup" [pid 5078] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5876] <... mmap resumed>) = 0x7f87c00f0000 [pid 5874] close(3 [pid 5855] close(19 [pid 5082] <... unlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5874] <... close resumed>) = 0 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5874] read(200, [pid 5855] close(20 [pid 5082] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... openat resumed>) = 3 [pid 5874] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] fstat(3, [pid 5874] symlink("/dev/binderfs", "./binderfs" [pid 5855] close(21 [pid 5082] lstat("./33/cgroup.net", [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5874] <... symlink resumed>) = 0 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] getdents64(3, [pid 5874] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] close(22 [pid 5082] unlink("./33/cgroup.net" [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5874] <... futex resumed>) = 0 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 5078] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5855] close(23 [pid 5082] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5874] <... mmap resumed>) = 0x7f87c84f0000 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./32/binderfs", [pid 5874] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5855] close(24 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5874] <... mprotect resumed>) = 0 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./32/binderfs" [pid 5874] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5855] close(25 [pid 5078] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5877 attached [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5877] set_robust_list(0x7f87c85109e0, 24 [pid 5874] <... clone resumed>, parent_tid=[97], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 97 [pid 5855] close(26 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5877] <... set_robust_list resumed>) = 0 [pid 5874] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./32/cgroup", [pid 5877] memfd_create("syzkaller", 0 [pid 5874] <... futex resumed>) = 0 [pid 5855] close(27 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5877] <... memfd_create resumed>) = 3 [pid 5874] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./32/cgroup" [pid 5877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5855] close(28 [pid 5078] <... unlink resumed>) = 0 [pid 5877] <... mmap resumed>) = 0x7f87c00f0000 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5855] close(29 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./32/cgroup.net", [pid 5855] exit_group(0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5871] <... futex resumed>) = ? [pid 5858] <... futex resumed>) = ? [pid 5855] <... exit_group resumed>) = ? [pid 5078] unlink("./32/cgroup.net" [pid 5871] +++ exited with 0 +++ [pid 5858] +++ exited with 0 +++ [pid 5855] +++ exited with 0 +++ [pid 5078] <... unlink resumed>) = 0 [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5078] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5081] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] unlink("./33/binderfs") = 0 [pid 5081] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./33/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] unlink("./33/cgroup") = 0 [pid 5081] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./33/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./33/cgroup.net") = 0 [pid 5081] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5876] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5877] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5875] <... write resumed>) = 4194304 [pid 5875] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5082] <... umount2 resumed>) = 0 [pid 5082] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5875] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5875] <... openat resumed>) = 4 [pid 5082] lstat("./33/file0", [pid 5875] ioctl(4, LOOP_SET_FD, 3 [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5082] fstat(4, [pid 5875] <... ioctl resumed>) = 0 [pid 5875] close(3 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(4, [pid 5875] <... close resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5875] mkdir("./file0", 0777 [pid 5082] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5875] <... mkdir resumed>) = 0 [pid 5082] close(4 [pid 5875] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5082] <... close resumed>) = 0 [pid 5082] rmdir("./33/file0") = 0 [pid 5082] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./33/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 119.208077][ T5875] loop2: detected capacity change from 0 to 8192 [pid 5082] unlink("./33/cgroup.cpu") = 0 [pid 5082] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] close(3) = 0 [pid 5082] rmdir("./33") = 0 [pid 5081] <... umount2 resumed>) = 0 [pid 5082] mkdir("./34", 0777) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5081] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./33/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... openat resumed>) = 3 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5081] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5081] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5081] close(4) = 0 [pid 5081] rmdir("./33/file0" [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5082] close(3 [pid 5081] <... rmdir resumed>) = 0 [pid 5081] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./33/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./33/cgroup.cpu") = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5081] close(3 [pid 5082] <... close resumed>) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] <... close resumed>) = 0 [ 119.244706][ T5875] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5081] rmdir("./33"./strace-static-x86_64: Process 5879 attached ) = 0 [pid 5879] set_robust_list(0x5555565af5e0, 24 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 98 [pid 5081] mkdir("./34", 0777) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5081] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5081] close(3 [pid 5879] <... set_robust_list resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5879] chdir("./34") = 0 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5880 attached ) = 0 [pid 5880] set_robust_list(0x5555565af5e0, 24 [pid 5879] setpgid(0, 0 [pid 5880] <... set_robust_list resumed>) = 0 [pid 5879] <... setpgid resumed>) = 0 [pid 5880] chdir("./34") = 0 [pid 5879] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5879] <... symlink resumed>) = 0 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 99 [pid 5880] setpgid(0, 0 [pid 5879] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5880] <... setpgid resumed>) = 0 [pid 5879] <... symlink resumed>) = 0 [pid 5880] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5879] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5880] <... symlink resumed>) = 0 [pid 5880] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5879] <... symlink resumed>) = 0 [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5880] <... symlink resumed>) = 0 [pid 5879] write(3, "1000", 4 [pid 5880] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5879] <... write resumed>) = 4 [pid 5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5879] close(3) = 0 [pid 5880] <... openat resumed>) = 3 [pid 5879] read(200, [pid 5880] write(3, "1000", 4 [pid 5879] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5880] <... write resumed>) = 4 [pid 5879] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5880] close(3 [pid 5879] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] <... close resumed>) = 0 [pid 5879] <... futex resumed>) = 0 [pid 5880] read(200, [pid 5879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5880] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5879] <... mmap resumed>) = 0x7f87c84f0000 [pid 5880] symlink("/dev/binderfs", "./binderfs" [pid 5879] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5880] <... symlink resumed>) = 0 [pid 5879] <... mprotect resumed>) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 5879] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5880] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5881 attached ) = 0 [pid 5078] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5881] set_robust_list(0x7f87c85109e0, 24 [pid 5880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5879] <... clone resumed>, parent_tid=[99], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 99 [pid 5877] <... write resumed>) = 4194304 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5880] <... mmap resumed>) = 0x7f87c84f0000 [pid 5879] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5881] memfd_create("syzkaller", 0 [pid 5880] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5879] <... futex resumed>) = 0 [pid 5078] lstat("./32/file0", [pid 5881] <... memfd_create resumed>) = 3 [pid 5880] <... mprotect resumed>) = 0 [pid 5879] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5880] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5078] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5882 attached [pid 5881] <... mmap resumed>) = 0x7f87c00f0000 [ 119.324320][ T5875] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 119.342759][ T5875] REISERFS (device loop2): using ordered data mode [ 119.368185][ T5875] reiserfs: using flush barriers [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5882] set_robust_list(0x7f87c85109e0, 24 [pid 5880] <... clone resumed>, parent_tid=[100], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 100 [pid 5877] munmap(0x7f87c00f0000, 4194304 [pid 5876] <... write resumed>) = 4194304 [pid 5078] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5882] <... set_robust_list resumed>) = 0 [pid 5880] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... openat resumed>) = 4 [pid 5882] memfd_create("syzkaller", 0 [pid 5880] <... futex resumed>) = 0 [pid 5877] <... munmap resumed>) = 0 [pid 5876] munmap(0x7f87c00f0000, 4194304 [pid 5078] fstat(4, [pid 5882] <... memfd_create resumed>) = 3 [pid 5881] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5880] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5877] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5876] <... munmap resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5882] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5877] <... openat resumed>) = 4 [pid 5876] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5078] getdents64(4, [pid 5882] <... mmap resumed>) = 0x7f87c00f0000 [pid 5877] ioctl(4, LOOP_SET_FD, 3 [pid 5876] <... openat resumed>) = 4 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] close(4) = 0 [pid 5078] rmdir("./32/file0") = 0 [pid 5078] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./32/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./32/cgroup.cpu") = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] close(3) = 0 [pid 5876] ioctl(4, LOOP_SET_FD, 3 [pid 5078] rmdir("./32") = 0 [pid 5078] mkdir("./33", 0777) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5078] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5078] close(3 [pid 5877] <... ioctl resumed>) = 0 [pid 5876] <... ioctl resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5877] close(3 [pid 5876] close(3 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5883 attached [pid 5877] <... close resumed>) = 0 [pid 5876] <... close resumed>) = 0 [pid 5883] set_robust_list(0x5555565af5e0, 24 [pid 5877] mkdir("./file0", 0777 [pid 5876] mkdir("./file0", 0777 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 91 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5877] <... mkdir resumed>) = 0 [pid 5883] chdir("./33" [pid 5877] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5876] <... mkdir resumed>) = 0 [pid 5883] <... chdir resumed>) = 0 [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5876] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5883] setpgid(0, 0) = 0 [pid 5883] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [ 119.381429][ T5875] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 119.405083][ T5877] loop1: detected capacity change from 0 to 8192 [ 119.412698][ T5876] loop4: detected capacity change from 0 to 8192 [pid 5883] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5882] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5883] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5883] write(3, "1000", 4) = 4 [pid 5883] close(3) = 0 [pid 5883] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5883] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5883] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5883] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5883] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[92], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 92 [pid 5883] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5883] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5886 attached [pid 5886] set_robust_list(0x7f87c85109e0, 24) = 0 [ 119.457863][ T5876] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 119.475722][ T5877] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 119.489675][ T5875] REISERFS (device loop2): checking transaction log (loop2) [pid 5886] memfd_create("syzkaller", 0) = 3 [pid 5886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 119.501440][ T5875] REISERFS (device loop2): Using r5 hash to sort names [ 119.510333][ T5877] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 119.520933][ T5876] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 119.547058][ T5876] REISERFS (device loop4): using ordered data mode [pid 5886] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5882] <... write resumed>) = 4194304 [pid 5881] <... write resumed>) = 4194304 [pid 5875] <... mount resumed>) = 0 [ 119.553950][ T5877] REISERFS (device loop1): using ordered data mode [ 119.568117][ T5876] reiserfs: using flush barriers [ 119.573979][ T5877] reiserfs: using flush barriers [ 119.579927][ T5875] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 119.595742][ T5875] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5875] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5886] <... write resumed>) = 4194304 [pid 5882] munmap(0x7f87c00f0000, 4194304 [pid 5881] munmap(0x7f87c00f0000, 4194304 [pid 5875] <... openat resumed>) = 3 [pid 5886] munmap(0x7f87c00f0000, 4194304 [pid 5882] <... munmap resumed>) = 0 [pid 5881] <... munmap resumed>) = 0 [pid 5875] chdir("./file0" [pid 5886] <... munmap resumed>) = 0 [pid 5882] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5881] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5875] <... chdir resumed>) = 0 [pid 5882] <... openat resumed>) = 4 [pid 5881] <... openat resumed>) = 4 [pid 5886] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5882] ioctl(4, LOOP_SET_FD, 3 [pid 5881] ioctl(4, LOOP_SET_FD, 3 [pid 5875] ioctl(4, LOOP_CLR_FD [pid 5886] <... openat resumed>) = 4 [ 119.610165][ T5876] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 119.627059][ T5877] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 119.630173][ T5876] REISERFS (device loop4): checking transaction log (loop4) [ 119.647954][ T5877] REISERFS (device loop1): checking transaction log (loop1) [pid 5886] ioctl(4, LOOP_SET_FD, 3 [pid 5881] <... ioctl resumed>) = 0 [pid 5875] <... ioctl resumed>) = 0 [ 119.664057][ T5881] loop5: detected capacity change from 0 to 8192 [ 119.664749][ T5876] REISERFS (device loop4): Using r5 hash to sort names [ 119.673080][ T5882] loop3: detected capacity change from 0 to 8192 [ 119.682853][ T5877] REISERFS (device loop1): Using r5 hash to sort names [ 119.687342][ T5886] loop0: detected capacity change from 0 to 8192 [ 119.693989][ T5876] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5886] <... ioctl resumed>) = 0 [pid 5882] <... ioctl resumed>) = 0 [pid 5881] close(3 [pid 5875] close(4 [pid 5882] close(3 [pid 5881] <... close resumed>) = 0 [pid 5875] <... close resumed>) = 0 [pid 5882] <... close resumed>) = 0 [pid 5881] mkdir("./file0", 0777 [pid 5875] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] mkdir("./file0", 0777 [pid 5881] <... mkdir resumed>) = 0 [pid 5875] <... futex resumed>) = 1 [pid 5873] <... futex resumed>) = 0 [pid 5886] close(3 [pid 5882] <... mkdir resumed>) = 0 [pid 5881] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5875] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5875] mkdir("./file1", 000) = 0 [pid 5875] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5875] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] <... close resumed>) = 0 [pid 5873] <... futex resumed>) = 1 [pid 5886] mkdir("./file0", 0777 [pid 5873] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5875] <... futex resumed>) = 0 [pid 5875] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5886] <... mkdir resumed>) = 0 [pid 5873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5886] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 119.700624][ T5877] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 119.738510][ T5881] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 119.738564][ T5877] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5873] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... mount resumed>) = 0 [pid 5875] <... futex resumed>) = 0 [pid 5873] <... futex resumed>) = 1 [pid 5875] mkdir("./bus", 000) = 0 [pid 5875] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5875] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5873] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] <... openat resumed>) = 3 [pid 5877] chdir("./file0" [pid 5873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5873] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... chdir resumed>) = 0 [pid 5877] ioctl(4, LOOP_CLR_FD [pid 5873] <... futex resumed>) = 1 [pid 5875] <... futex resumed>) = 0 [pid 5875] mkdir("./file0", 000 [pid 5877] <... ioctl resumed>) = 0 [pid 5875] <... mkdir resumed>) = 0 [pid 5873] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 119.762930][ T5882] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 119.764164][ T5876] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5877] close(4) = 0 [pid 5875] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5875] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] <... futex resumed>) = 0 [pid 5877] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5877] <... futex resumed>) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5873] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5875] <... futex resumed>) = 0 [pid 5874] <... futex resumed>) = 0 [pid 5875] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5874] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] mkdir("./file1", 000) = 0 [pid 5877] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... mount resumed>) = 0 [ 119.800697][ T5886] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 119.820190][ T5875] overlayfs: upper fs needs to support d_type. [ 119.822467][ T5881] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 119.829607][ T5875] overlayfs: upper fs does not support tmpfile. [ 119.838498][ T5882] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 119.844282][ T5886] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5877] <... futex resumed>) = 1 [pid 5876] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5874] <... futex resumed>) = 0 [pid 5877] mkdir("./bus", 000 [pid 5876] <... openat resumed>) = 3 [pid 5874] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... mkdir resumed>) = 0 [pid 5876] chdir("./file0" [pid 5874] <... futex resumed>) = 0 [pid 5877] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... chdir resumed>) = 0 [pid 5874] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] <... futex resumed>) = 0 [pid 5876] ioctl(4, LOOP_CLR_FD [pid 5874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5877] mkdir("./file0", 000 [pid 5876] <... ioctl resumed>) = 0 [pid 5874] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] close(4) = 0 [pid 5876] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5872] <... futex resumed>) = 0 [pid 5876] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5872] <... futex resumed>) = 0 [pid 5876] mkdir("./file1", 000 [pid 5872] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... mkdir resumed>) = 0 [pid 5876] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5872] <... futex resumed>) = 0 [pid 5876] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5872] <... futex resumed>) = 0 [pid 5876] mkdir("./bus", 000 [pid 5872] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] <... mkdir resumed>) = 0 [pid 5876] <... mkdir resumed>) = 0 [pid 5874] <... futex resumed>) = 0 [pid 5877] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] <... futex resumed>) = 0 [pid 5876] <... futex resumed>) = 1 [pid 5874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5872] <... futex resumed>) = 0 [pid 5877] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5876] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 119.852788][ T5882] REISERFS (device loop3): using ordered data mode [ 119.864276][ T5881] REISERFS (device loop5): using ordered data mode [ 119.871255][ T5882] reiserfs: using flush barriers [ 119.888716][ T5875] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 119.907010][ T5886] REISERFS (device loop0): using ordered data mode [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] <... futex resumed>) = 0 [pid 5872] <... futex resumed>) = 0 [pid 5877] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5876] mkdir("./file0", 000 [pid 5874] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... mkdir resumed>) = 0 [pid 5876] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5872] <... futex resumed>) = 0 [pid 5876] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5872] <... futex resumed>) = 0 [pid 5876] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5872] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5873] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5873] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [ 119.914624][ T5886] reiserfs: using flush barriers [ 119.919936][ T5877] overlayfs: upper fs needs to support d_type. [ 119.920465][ T5877] overlayfs: upper fs does not support tmpfile. [ 119.926324][ T5882] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 119.941163][ T5876] overlayfs: upper fs needs to support d_type. [pid 5875] <... mount resumed>) = 0 [pid 5873] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5875] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... mprotect resumed>) = 0 [pid 5873] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5875] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5890 attached [pid 5875] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] <... clone resumed>, parent_tid=[99], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 99 [pid 5873] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] set_robust_list(0x7f87c04ef9e0, 24 [pid 5873] <... futex resumed>) = 0 [ 119.968138][ T5881] reiserfs: using flush barriers [ 119.977077][ T5886] 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 [ 119.981143][ T5877] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 119.997225][ T5876] overlayfs: upper fs does not support tmpfile. [pid 5873] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5890] <... set_robust_list resumed>) = 0 [pid 5890] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5890] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5876] <... mount resumed>) = 0 [ 120.013086][ T5876] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 120.024131][ T5882] REISERFS (device loop3): checking transaction log (loop3) [ 120.038476][ T5881] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 120.042431][ T5886] REISERFS (device loop0): checking transaction log (loop0) [pid 5877] <... mount resumed>) = 0 [pid 5876] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5872] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5877] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = 0 [pid 5874] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5890] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... futex resumed>) = 0 [pid 5873] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5873] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] <... futex resumed>) = 1 [ 120.063313][ T5890] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 120.087998][ T5882] REISERFS (device loop3): Using r5 hash to sort names [ 120.092500][ T5881] REISERFS (device loop5): checking transaction log (loop5) [pid 5890] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] <... futex resumed>) = 0 [pid 5876] mkdir(".", 0777 [pid 5875] <... futex resumed>) = 0 [pid 5874] <... futex resumed>) = 0 [pid 5872] <... futex resumed>) = 0 [pid 5882] <... mount resumed>) = 0 [pid 5877] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5876] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5875] unlink(NULL [pid 5874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5872] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5876] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5875] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5874] <... mmap resumed>) = 0x7f87c04cf000 [pid 5875] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5875] <... futex resumed>) = 1 [pid 5874] <... mprotect resumed>) = 0 [pid 5875] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[98], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 98 [pid 5874] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5874] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5882] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5882] chdir("./file0") = 0 [pid 5882] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 5891 attached [pid 5873] <... futex resumed>) = 0 [pid 5882] <... ioctl resumed>) = 0 [ 120.099449][ T5882] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 120.121100][ T5881] REISERFS (device loop5): Using r5 hash to sort names [ 120.123390][ T5882] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 120.133161][ T5881] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 120.156547][ T5886] REISERFS (device loop0): Using r5 hash to sort names [pid 5882] close(4 [pid 5891] set_robust_list(0x7f87c04ef9e0, 24 [pid 5882] <... close resumed>) = 0 [pid 5873] close(3 [pid 5882] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5880] <... futex resumed>) = 0 [pid 5882] mkdir("./file1", 000 [pid 5880] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... mkdir resumed>) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5882] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5882] mkdir("./bus", 000 [pid 5880] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... mkdir resumed>) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5882] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5882] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5880] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5880] <... futex resumed>) = 0 [pid 5882] mkdir("./file0", 000 [pid 5880] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] <... mkdir resumed>) = 0 [pid 5882] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5880] <... futex resumed>) = 0 [pid 5882] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5880] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5880] <... futex resumed>) = 0 [pid 5882] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5880] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5891] <... set_robust_list resumed>) = 0 [pid 5881] <... mount resumed>) = 0 [pid 5873] <... close resumed>) = 0 [pid 5891] mkdir(".", 0777 [pid 5881] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5873] close(4 [pid 5891] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5881] <... openat resumed>) = 3 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5881] chdir("./file0" [pid 5873] close(5 [pid 5881] <... chdir resumed>) = 0 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] ioctl(4, LOOP_CLR_FD [pid 5873] close(6 [pid 5881] <... ioctl resumed>) = 0 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] close(4 [pid 5873] close(7 [pid 5881] <... close resumed>) = 0 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] close(8 [pid 5881] <... futex resumed>) = 1 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] close(9) = -1 EBADF (Bad file descriptor) [ 120.167884][ T5886] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 120.189836][ T5881] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 120.190034][ T5876] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5873] close(10) = -1 EBADF (Bad file descriptor) [pid 5873] close(11) = -1 EBADF (Bad file descriptor) [pid 5873] close(12) = -1 EBADF (Bad file descriptor) [pid 5873] close(13) = -1 EBADF (Bad file descriptor) [pid 5873] close(14) = -1 EBADF (Bad file descriptor) [pid 5873] close(15) = -1 EBADF (Bad file descriptor) [pid 5873] close(16) = -1 EBADF (Bad file descriptor) [pid 5873] close(17) = -1 EBADF (Bad file descriptor) [pid 5873] close(18) = -1 EBADF (Bad file descriptor) [pid 5873] close(19) = -1 EBADF (Bad file descriptor) [pid 5873] close(20) = -1 EBADF (Bad file descriptor) [pid 5873] close(21) = -1 EBADF (Bad file descriptor) [pid 5873] close(22) = -1 EBADF (Bad file descriptor) [pid 5873] close(23) = -1 EBADF (Bad file descriptor) [pid 5879] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5873] close(24) = -1 EBADF (Bad file descriptor) [pid 5873] close(25) = -1 EBADF (Bad file descriptor) [pid 5873] close(26) = -1 EBADF (Bad file descriptor) [pid 5873] close(27) = -1 EBADF (Bad file descriptor) [pid 5873] close(28) = -1 EBADF (Bad file descriptor) [pid 5873] close(29) = -1 EBADF (Bad file descriptor) [pid 5873] exit_group(0 [pid 5890] <... futex resumed>) = ? [pid 5873] <... exit_group resumed>) = ? [pid 5890] +++ exited with 0 +++ [pid 5879] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] <... futex resumed>) = ? [pid 5891] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5891] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... futex resumed>) = 0 [pid 5874] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5874] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5875] +++ exited with 0 +++ [pid 5879] <... futex resumed>) = 1 [pid 5873] +++ exited with 0 +++ [pid 5877] <... futex resumed>) = 0 [pid 5881] <... futex resumed>) = 0 [pid 5879] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] unlink(NULL) = -1 EFAULT (Bad address) [pid 5877] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=97, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5886] <... mount resumed>) = 0 [pid 5877] <... futex resumed>) = 0 [pid 5083] restart_syscall(<... resuming interrupted clone ...> [pid 5886] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5877] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... restart_syscall resumed>) = 0 [pid 5886] <... openat resumed>) = 3 [pid 5881] mkdir("./file1", 000 [pid 5886] chdir("./file0" [pid 5881] <... mkdir resumed>) = 0 [pid 5886] <... chdir resumed>) = 0 [pid 5881] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] ioctl(4, LOOP_CLR_FD [pid 5881] <... futex resumed>) = 1 [pid 5879] <... futex resumed>) = 0 [pid 5083] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5881] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] <... futex resumed>) = 1 [pid 5874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5891] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] close(3 [pid 5879] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5886] <... ioctl resumed>) = 0 [pid 5881] <... futex resumed>) = 0 [pid 5879] <... futex resumed>) = 1 [pid 5876] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5886] close(4 [pid 5881] mkdir("./bus", 000 [pid 5879] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... futex resumed>) = 1 [pid 5886] <... close resumed>) = 0 [pid 5881] <... mkdir resumed>) = 0 [pid 5876] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] <... close resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 5886] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] fstat(3, [pid 5886] <... futex resumed>) = 1 [pid 5883] <... futex resumed>) = 0 [pid 5881] <... futex resumed>) = 1 [pid 5879] <... futex resumed>) = 0 [pid 5874] close(4 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5886] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [ 120.219281][ T5886] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 120.231960][ T5882] overlayfs: upper fs needs to support d_type. [ 120.236045][ T5891] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 120.246985][ T5882] overlayfs: upper fs does not support tmpfile. [pid 5881] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5879] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] getdents64(3, [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5883] <... futex resumed>) = 0 [pid 5881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5879] <... futex resumed>) = 0 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] mkdir("./file1", 000 [pid 5883] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] mkdir("./file0", 000 [pid 5879] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5886] <... mkdir resumed>) = 0 [pid 5881] <... mkdir resumed>) = 0 [pid 5874] close(5 [pid 5083] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5886] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5886] <... futex resumed>) = 1 [pid 5883] <... futex resumed>) = 0 [pid 5881] <... futex resumed>) = 1 [pid 5879] <... futex resumed>) = 0 [pid 5874] close(6 [pid 5083] lstat("./34/binderfs", [pid 5886] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5879] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5883] <... futex resumed>) = 0 [pid 5881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5880] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... futex resumed>) = 0 [pid 5874] close(7 [pid 5881] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] mkdir("./bus", 000 [pid 5883] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] <... mount resumed>) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5879] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5874] close(8 [pid 5872] <... futex resumed>) = 0 [pid 5083] unlink("./34/binderfs" [pid 5886] <... mkdir resumed>) = 0 [pid 5882] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] close(9 [pid 5872] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... unlink resumed>) = 0 [pid 5886] <... futex resumed>) = 1 [pid 5883] <... futex resumed>) = 0 [pid 5882] <... futex resumed>) = 0 [pid 5880] <... mmap resumed>) = 0x7f87c04cf000 [pid 5876] <... futex resumed>) = 0 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... futex resumed>) = 1 [pid 5083] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5886] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5880] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5876] unlink(NULL [pid 5874] close(10 [pid 5872] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5883] <... futex resumed>) = 0 [pid 5880] <... mprotect resumed>) = 0 [pid 5876] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./34/cgroup", [pid 5886] mkdir("./file0", 000 [pid 5883] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5880] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5876] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] close(11 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 5892 attached [pid 5886] <... mkdir resumed>) = 0 [pid 5876] <... futex resumed>) = 1 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... futex resumed>) = 0 [pid 5083] unlink("./34/cgroup" [pid 5892] set_robust_list(0x7f87c04ef9e0, 24 [pid 5886] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] <... clone resumed>, parent_tid=[101], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 101 [pid 5876] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] close(12 [pid 5872] close(3 [pid 5892] <... set_robust_list resumed>) = 0 [pid 5886] <... futex resumed>) = 1 [pid 5883] <... futex resumed>) = 0 [pid 5880] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... unlink resumed>) = 0 [pid 5892] mkdir(".", 0777 [pid 5886] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] <... futex resumed>) = 0 [pid 5083] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5892] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5883] <... futex resumed>) = 0 [pid 5880] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5892] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5886] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5883] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] <... close resumed>) = 0 [ 120.312355][ T5882] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 120.317084][ T5881] overlayfs: upper fs needs to support d_type. [ 120.347669][ T5881] overlayfs: upper fs does not support tmpfile. [ 120.354894][ T5881] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5083] lstat("./34/cgroup.net", [pid 5874] close(13 [pid 5892] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5881] <... mount resumed>) = 0 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(4 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5892] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] close(14 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5892] <... futex resumed>) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = 0 [pid 5879] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(5 [pid 5083] unlink("./34/cgroup.net" [pid 5892] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5881] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] close(15 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(6 [pid 5880] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] close(16 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 5882] <... futex resumed>) = 0 [pid 5881] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = 1 [pid 5879] <... futex resumed>) = 1 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(7 [pid 5083] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5883] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5882] unlink(NULL [pid 5881] mkdir(".", 0777 [pid 5880] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5874] close(17 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5881] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(8 [pid 5882] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5874] close(18 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] <... mount resumed>) = 0 [pid 5883] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... futex resumed>) = 1 [pid 5880] <... futex resumed>) = 0 [pid 5886] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... futex resumed>) = 0 [pid 5882] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5880] close(3 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(9 [pid 5886] <... futex resumed>) = 0 [pid 5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5880] <... close resumed>) = 0 [pid 5874] close(19 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5886] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] <... mmap resumed>) = 0x7f87c04cf000 [pid 5880] close(4 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(10 [pid 5883] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] close(20 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] <... mprotect resumed>) = 0 [pid 5880] close(5 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(11 [pid 5883] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] close(21 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5893 attached [pid 5880] close(6 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(12 [pid 5893] set_robust_list(0x7f87c04ef9e0, 24 [pid 5883] <... clone resumed>, parent_tid=[93], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 93 [pid 5880] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 120.368602][ T5886] overlayfs: upper fs needs to support d_type. [ 120.375037][ T5892] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 120.375245][ T5886] overlayfs: upper fs does not support tmpfile. [ 120.403297][ T5886] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5874] close(22 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... set_robust_list resumed>) = 0 [pid 5883] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] close(7 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(13 [pid 5893] mkdir(".", 0777 [pid 5883] <... futex resumed>) = 0 [pid 5880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] close(23 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5883] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5880] close(8 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(14 [pid 5893] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] close(24 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5880] close(9 [pid 5872] close(15 [pid 5880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5880] close(10 [pid 5874] close(25 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(16 [pid 5880] close(11 [pid 5874] close(26 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(17 [pid 5880] close(12 [pid 5874] close(27 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(18 [pid 5880] close(13 [pid 5874] close(28 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5880] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5880] close(14) = -1 EBADF (Bad file descriptor) [pid 5880] close(15) = -1 EBADF (Bad file descriptor) [pid 5880] close(16) = -1 EBADF (Bad file descriptor) [pid 5880] close(17) = -1 EBADF (Bad file descriptor) [pid 5880] close(18) = -1 EBADF (Bad file descriptor) [pid 5880] close(19) = -1 EBADF (Bad file descriptor) [pid 5880] close(20) = -1 EBADF (Bad file descriptor) [pid 5880] close(21) = -1 EBADF (Bad file descriptor) [pid 5880] close(22) = -1 EBADF (Bad file descriptor) [pid 5880] close(23) = -1 EBADF (Bad file descriptor) [pid 5880] close(24) = -1 EBADF (Bad file descriptor) [pid 5880] close(25) = -1 EBADF (Bad file descriptor) [pid 5880] close(26) = -1 EBADF (Bad file descriptor) [pid 5880] close(27) = -1 EBADF (Bad file descriptor) [pid 5880] close(28) = -1 EBADF (Bad file descriptor) [pid 5880] close(29) = -1 EBADF (Bad file descriptor) [pid 5880] exit_group(0 [pid 5892] <... futex resumed>) = ? [pid 5882] <... futex resumed>) = ? [pid 5880] <... exit_group resumed>) = ? [pid 5892] +++ exited with 0 +++ [pid 5882] +++ exited with 0 +++ [pid 5880] +++ exited with 0 +++ [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(19 [pid 5874] close(29 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=99, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(20 [pid 5874] exit_group(0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... futex resumed>) = ? [pid 5877] <... futex resumed>) = ? [pid 5874] <... exit_group resumed>) = ? [pid 5872] close(21 [pid 5891] +++ exited with 0 +++ [pid 5877] +++ exited with 0 +++ [pid 5874] +++ exited with 0 +++ [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5872] close(22 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5872] close(23 [pid 5081] <... openat resumed>) = 3 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] fstat(3, [pid 5872] close(24 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(3, [pid 5079] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5872] close(25 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5872] close(26 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... openat resumed>) = 3 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./34/binderfs", [pid 5079] fstat(3, [pid 5872] close(27 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] unlink("./34/binderfs" [pid 5079] getdents64(3, [pid 5081] <... unlink resumed>) = 0 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./34/cgroup", [pid 5079] lstat("./34/binderfs", [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5872] close(28 [pid 5081] unlink("./34/cgroup" [pid 5079] unlink("./34/binderfs" [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... unlink resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5872] close(29 [pid 5081] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./34/cgroup.net", [pid 5079] lstat("./34/cgroup", [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] unlink("./34/cgroup.net" [pid 5079] unlink("./34/cgroup" [pid 5081] <... unlink resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5081] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./34/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./34/cgroup.net") = 0 [pid 5079] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5881] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5881] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5879] <... futex resumed>) = 0 [pid 5881] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5879] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5879] <... futex resumed>) = 0 [pid 5881] unlink(NULL [pid 5879] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5881] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5881] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5879] <... futex resumed>) = 0 [pid 5881] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5879] close(3) = 0 [pid 5879] close(4) = -1 EBADF (Bad file descriptor) [pid 5879] close(5) = -1 EBADF (Bad file descriptor) [pid 5879] close(6) = -1 EBADF (Bad file descriptor) [pid 5879] close(7) = -1 EBADF (Bad file descriptor) [pid 5879] close(8) = -1 EBADF (Bad file descriptor) [pid 5879] close(9) = -1 EBADF (Bad file descriptor) [pid 5879] close(10) = -1 EBADF (Bad file descriptor) [pid 5879] close(11) = -1 EBADF (Bad file descriptor) [pid 5879] close(12 [pid 5872] exit_group(0 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... exit_group resumed>) = ? [pid 5879] close(13) = -1 EBADF (Bad file descriptor) [pid 5879] close(14) = -1 EBADF (Bad file descriptor) [pid 5879] close(15) = -1 EBADF (Bad file descriptor) [pid 5879] close(16) = -1 EBADF (Bad file descriptor) [pid 5879] close(17) = -1 EBADF (Bad file descriptor) [pid 5879] close(18 [pid 5876] <... futex resumed>) = ? [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] close(19) = -1 EBADF (Bad file descriptor) [pid 5879] close(20) = -1 EBADF (Bad file descriptor) [pid 5879] close(21 [pid 5876] +++ exited with 0 +++ [pid 5872] +++ exited with 0 +++ [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=95, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5879] close(22 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... restart_syscall resumed>) = 0 [ 120.443719][ T5881] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 120.478040][ T5893] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5879] close(23) = -1 EBADF (Bad file descriptor) [pid 5879] close(24 [pid 5080] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5893] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5879] close(25 [pid 5080] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5893] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... openat resumed>) = 3 [pid 5893] <... futex resumed>) = 1 [pid 5883] <... futex resumed>) = 0 [pid 5879] close(26 [pid 5080] fstat(3, [pid 5893] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = 0 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5886] <... futex resumed>) = 0 [pid 5883] <... futex resumed>) = 1 [pid 5879] close(27 [pid 5083] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] getdents64(3, [pid 5886] unlink(NULL [pid 5883] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5886] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5879] close(28 [pid 5083] lstat("./34/file0", [pid 5080] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5886] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5886] <... futex resumed>) = 1 [pid 5883] <... futex resumed>) = 0 [pid 5879] close(29 [pid 5083] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] lstat("./35/binderfs", [pid 5886] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] close(3 [pid 5879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5883] <... close resumed>) = 0 [pid 5879] exit_group(0 [pid 5080] unlink("./35/binderfs" [pid 5079] <... umount2 resumed>) = 0 [pid 5883] close(4 [pid 5881] <... futex resumed>) = ? [pid 5879] <... exit_group resumed>) = ? [pid 5080] <... unlink resumed>) = 0 [pid 5079] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5881] +++ exited with 0 +++ [pid 5879] +++ exited with 0 +++ [pid 5083] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5883] close(5 [pid 5083] <... openat resumed>) = 4 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5081] <... umount2 resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./34/file0", [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] fstat(4, [pid 5081] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] lstat("./35/cgroup", [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5883] close(6 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] getdents64(4, [pid 5081] lstat("./34/file0", [pid 5080] unlink("./35/cgroup" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5883] close(7 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] getdents64(4, [pid 5081] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... unlink resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 5883] close(8 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] fstat(4, [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(4 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5883] close(9 [pid 5083] <... close resumed>) = 0 [pid 5082] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] <... openat resumed>) = 4 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] getdents64(4, [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] rmdir("./34/file0" [pid 5082] <... openat resumed>) = 3 [pid 5081] fstat(4, [pid 5080] lstat("./35/cgroup.net", [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5883] close(10 [pid 5083] <... rmdir resumed>) = 0 [pid 5082] fstat(3, [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] getdents64(4, [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(4, [pid 5080] unlink("./35/cgroup.net" [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5883] close(11 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] getdents64(3, [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] close(4 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./34/cgroup.cpu", [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] getdents64(4, [pid 5080] <... unlink resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5883] close(12 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] rmdir("./34/file0" [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] unlink("./34/cgroup.cpu" [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] close(4 [pid 5079] <... rmdir resumed>) = 0 [pid 5883] close(13 [pid 5083] <... unlink resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5079] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] getdents64(3, [pid 5082] lstat("./34/binderfs", [pid 5081] rmdir("./34/file0" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5883] close(14 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] <... rmdir resumed>) = 0 [pid 5079] lstat("./34/cgroup.cpu", [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(3 [pid 5082] unlink("./34/binderfs" [pid 5081] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5883] close(15 [pid 5083] <... close resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] unlink("./34/cgroup.cpu" [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] rmdir("./34" [pid 5082] <... unlink resumed>) = 0 [pid 5081] lstat("./34/cgroup.cpu", [pid 5079] <... unlink resumed>) = 0 [pid 5883] close(16 [pid 5083] <... rmdir resumed>) = 0 [pid 5082] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] getdents64(3, [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] mkdir("./35", 0777 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] unlink("./34/cgroup.cpu" [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5883] close(17 [pid 5083] <... mkdir resumed>) = 0 [pid 5082] lstat("./34/cgroup", [pid 5081] <... unlink resumed>) = 0 [pid 5079] close(3 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] getdents64(3, [pid 5079] <... close resumed>) = 0 [pid 5883] close(18 [pid 5083] <... openat resumed>) = 3 [pid 5082] unlink("./34/cgroup" [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] rmdir("./34" [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5082] <... unlink resumed>) = 0 [pid 5081] close(3 [pid 5079] <... rmdir resumed>) = 0 [pid 5883] close(19 [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5082] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... close resumed>) = 0 [pid 5079] mkdir("./35", 0777 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(3 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] rmdir("./34" [pid 5079] <... mkdir resumed>) = 0 [pid 5883] close(20 [pid 5083] <... close resumed>) = 0 [pid 5082] lstat("./34/cgroup.net", [pid 5081] <... rmdir resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] mkdir("./35", 0777 [pid 5079] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5894 attached [pid 5883] close(21 [pid 5082] unlink("./34/cgroup.net" [pid 5081] <... mkdir resumed>) = 0 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5894] set_robust_list(0x5555565af5e0, 24 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 100 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5894] <... set_robust_list resumed>) = 0 [pid 5883] close(22 [pid 5082] <... unlink resumed>) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5079] close(3 [pid 5894] chdir("./35" [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5079] <... close resumed>) = 0 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5883] close(23 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5895 attached [pid 5081] close(3 [pid 5895] set_robust_list(0x5555565af5e0, 24 [pid 5081] <... close resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 99 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5896 attached [pid 5895] chdir("./35" [pid 5896] set_robust_list(0x5555565af5e0, 24 [pid 5895] <... chdir resumed>) = 0 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 102 [pid 5896] <... set_robust_list resumed>) = 0 [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5896] chdir("./35" [pid 5895] <... prctl resumed>) = 0 [pid 5082] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5896] <... chdir resumed>) = 0 [pid 5895] setpgid(0, 0 [pid 5896] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5895] <... setpgid resumed>) = 0 [pid 5894] <... chdir resumed>) = 0 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5896] <... prctl resumed>) = 0 [pid 5895] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5883] close(24 [pid 5896] setpgid(0, 0 [pid 5895] <... symlink resumed>) = 0 [pid 5894] <... prctl resumed>) = 0 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5896] <... setpgid resumed>) = 0 [pid 5895] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5894] setpgid(0, 0 [pid 5883] close(25 [pid 5896] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5895] <... symlink resumed>) = 0 [pid 5896] <... symlink resumed>) = 0 [pid 5895] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5894] <... setpgid resumed>) = 0 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5896] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5895] <... symlink resumed>) = 0 [pid 5896] <... symlink resumed>) = 0 [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5894] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5883] close(26 [pid 5896] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5895] <... openat resumed>) = 3 [pid 5896] <... symlink resumed>) = 0 [pid 5895] write(3, "1000", 4 [pid 5894] <... symlink resumed>) = 0 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5895] <... write resumed>) = 4 [pid 5894] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5883] close(27 [pid 5080] <... umount2 resumed>) = 0 [pid 5896] <... openat resumed>) = 3 [pid 5895] close(3 [pid 5894] <... symlink resumed>) = 0 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5896] write(3, "1000", 4 [pid 5895] <... close resumed>) = 0 [pid 5894] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5896] <... write resumed>) = 4 [pid 5895] read(200, [pid 5896] close(3 [pid 5895] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5896] <... close resumed>) = 0 [pid 5895] symlink("/dev/binderfs", "./binderfs" [pid 5896] read(200, [pid 5895] <... symlink resumed>) = 0 [pid 5896] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5895] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] symlink("/dev/binderfs", "./binderfs" [pid 5895] <... futex resumed>) = 0 [pid 5883] close(28 [pid 5896] <... symlink resumed>) = 0 [pid 5895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5894] <... symlink resumed>) = 0 [pid 5896] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... mmap resumed>) = 0x7f87c84f0000 [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5896] <... futex resumed>) = 0 [pid 5895] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5883] close(29 [pid 5896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5895] <... mprotect resumed>) = 0 [pid 5894] <... openat resumed>) = 3 [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5896] <... mmap resumed>) = 0x7f87c84f0000 [pid 5895] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5894] write(3, "1000", 4 [pid 5883] exit_group(0./strace-static-x86_64: Process 5897 attached [pid 5896] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5894] <... write resumed>) = 4 [pid 5893] <... futex resumed>) = ? [pid 5886] <... futex resumed>) = ? [pid 5883] <... exit_group resumed>) = ? [pid 5897] set_robust_list(0x7f87c85109e0, 24 [pid 5896] <... mprotect resumed>) = 0 [pid 5895] <... clone resumed>, parent_tid=[100], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 100 [pid 5894] close(3 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5896] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5895] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] +++ exited with 0 +++ ./strace-static-x86_64: Process 5898 attached [pid 5895] <... futex resumed>) = 0 [pid 5898] set_robust_list(0x7f87c85109e0, 24 [pid 5897] <... set_robust_list resumed>) = 0 [pid 5896] <... clone resumed>, parent_tid=[103], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 103 [pid 5895] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5893] +++ exited with 0 +++ [pid 5894] <... close resumed>) = 0 [pid 5883] +++ exited with 0 +++ [pid 5080] lstat("./35/file0", [pid 5898] <... set_robust_list resumed>) = 0 [pid 5897] memfd_create("syzkaller", 0 [pid 5896] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5898] memfd_create("syzkaller", 0 [pid 5897] <... memfd_create resumed>) = 3 [pid 5896] <... futex resumed>) = 0 [pid 5894] read(200, [pid 5898] <... memfd_create resumed>) = 3 [pid 5897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5896] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5894] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5894] symlink("/dev/binderfs", "./binderfs" [pid 5898] <... mmap resumed>) = 0x7f87c00f0000 [pid 5897] <... mmap resumed>) = 0x7f87c00f0000 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5894] <... symlink resumed>) = 0 [pid 5080] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5894] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... openat resumed>) = 4 [pid 5078] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5894] <... futex resumed>) = 0 [pid 5894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] fstat(4, [pid 5078] <... openat resumed>) = 3 [pid 5894] <... mmap resumed>) = 0x7f87c84f0000 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5894] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5080] getdents64(4, [pid 5078] fstat(3, [pid 5894] <... mprotect resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(4, [pid 5894] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] getdents64(3, ./strace-static-x86_64: Process 5899 attached [pid 5080] close(4 [pid 5899] set_robust_list(0x7f87c85109e0, 24 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5899] <... set_robust_list resumed>) = 0 [pid 5894] <... clone resumed>, parent_tid=[101], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 101 [pid 5080] <... close resumed>) = 0 [pid 5078] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5899] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] rmdir("./35/file0" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5082] <... umount2 resumed>) = 0 [pid 5899] memfd_create("syzkaller", 0) = 3 [pid 5899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5080] <... rmdir resumed>) = 0 [pid 5894] <... futex resumed>) = 0 [pid 5082] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./33/binderfs", [pid 5080] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5894] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] lstat("./34/file0", [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./33/binderfs" [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] lstat("./35/cgroup.cpu", [pid 5078] <... unlink resumed>) = 0 [pid 5082] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] unlink("./35/cgroup.cpu" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... unlink resumed>) = 0 [pid 5082] <... openat resumed>) = 4 [pid 5078] lstat("./33/cgroup", [pid 5082] fstat(4, [pid 5080] getdents64(3, [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] getdents64(4, [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] close(3 [pid 5078] unlink("./33/cgroup") = 0 [pid 5082] getdents64(4, [pid 5080] <... close resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] rmdir("./35" [pid 5082] close(4 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... close resumed>) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 5078] lstat("./33/cgroup.net", [pid 5082] rmdir("./34/file0" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] <... rmdir resumed>) = 0 [pid 5078] unlink("./33/cgroup.net" [pid 5082] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] mkdir("./36", 0777 [pid 5078] <... unlink resumed>) = 0 [pid 5080] <... mkdir resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5082] lstat("./34/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./34/cgroup.cpu" [pid 5080] <... openat resumed>) = 3 [pid 5082] <... unlink resumed>) = 0 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5082] getdents64(3, [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] close(3 [pid 5082] close(3) = 0 [pid 5897] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5080] <... close resumed>) = 0 [pid 5082] rmdir("./34" [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5900 attached [pid 5082] mkdir("./35", 0777 [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 97 [pid 5082] <... mkdir resumed>) = 0 [pid 5900] set_robust_list(0x5555565af5e0, 24 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5900] <... set_robust_list resumed>) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5900] chdir("./36" [pid 5082] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5900] <... chdir resumed>) = 0 [pid 5082] close(3 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] <... close resumed>) = 0 [pid 5900] <... prctl resumed>) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5900] setpgid(0, 0./strace-static-x86_64: Process 5901 attached ) = 0 [pid 5900] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 100 [pid 5901] set_robust_list(0x5555565af5e0, 24 [pid 5900] <... symlink resumed>) = 0 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5901] chdir("./35" [pid 5900] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5901] <... chdir resumed>) = 0 [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5900] <... symlink resumed>) = 0 [pid 5901] <... prctl resumed>) = 0 [pid 5900] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5901] setpgid(0, 0) = 0 [pid 5901] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5900] <... symlink resumed>) = 0 [pid 5901] <... symlink resumed>) = 0 [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5901] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5900] <... openat resumed>) = 3 [pid 5901] <... symlink resumed>) = 0 [pid 5900] write(3, "1000", 4 [pid 5901] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5900] <... write resumed>) = 4 [pid 5901] <... symlink resumed>) = 0 [pid 5900] close(3 [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5900] <... close resumed>) = 0 [pid 5901] <... openat resumed>) = 3 [pid 5900] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] symlink("/dev/binderfs", "./binderfs" [pid 5901] write(3, "1000", 4 [pid 5900] <... symlink resumed>) = 0 [pid 5901] <... write resumed>) = 4 [pid 5900] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] close(3) = 0 [pid 5900] <... futex resumed>) = 0 [pid 5901] read(200, [pid 5900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5901] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] <... mmap resumed>) = 0x7f87c84f0000 [pid 5901] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5900] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5899] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5901] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... mprotect resumed>) = 0 [pid 5901] <... futex resumed>) = 0 [pid 5900] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5902 attached [pid 5901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5902] set_robust_list(0x7f87c85109e0, 24 [pid 5901] <... mmap resumed>) = 0x7f87c84f0000 [pid 5900] <... clone resumed>, parent_tid=[98], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 98 [pid 5902] <... set_robust_list resumed>) = 0 [pid 5902] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5900] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5902] memfd_create("syzkaller", 0 [pid 5901] <... mprotect resumed>) = 0 [pid 5900] <... futex resumed>) = 0 [pid 5902] <... memfd_create resumed>) = 3 [pid 5902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5901] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5900] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5902] <... mmap resumed>) = 0x7f87c00f0000 ./strace-static-x86_64: Process 5903 attached [pid 5903] set_robust_list(0x7f87c85109e0, 24 [pid 5901] <... clone resumed>, parent_tid=[101], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 101 [pid 5903] <... set_robust_list resumed>) = 0 [pid 5901] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5903] memfd_create("syzkaller", 0 [pid 5901] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5903] <... memfd_create resumed>) = 3 [pid 5903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5078] <... umount2 resumed>) = 0 [pid 5078] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./33/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5078] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5898] <... write resumed>) = 4194304 [pid 5078] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] close(4 [pid 5898] munmap(0x7f87c00f0000, 4194304 [pid 5078] <... close resumed>) = 0 [pid 5078] rmdir("./33/file0" [pid 5898] <... munmap resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5898] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5078] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5898] <... openat resumed>) = 4 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5903] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5898] ioctl(4, LOOP_SET_FD, 3 [pid 5897] <... write resumed>) = 4194304 [pid 5078] lstat("./33/cgroup.cpu", [pid 5898] <... ioctl resumed>) = 0 [pid 5898] close(3 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5898] <... close resumed>) = 0 [pid 5898] mkdir("./file0", 0777 [pid 5078] unlink("./33/cgroup.cpu" [pid 5897] munmap(0x7f87c00f0000, 4194304 [pid 5902] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5899] <... write resumed>) = 4194304 [pid 5898] <... mkdir resumed>) = 0 [pid 5897] <... munmap resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] close(3) = 0 [pid 5078] rmdir("./33") = 0 [pid 5078] mkdir("./34", 0777) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5078] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5078] close(3) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5897] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5897] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5904 attached [pid 5899] munmap(0x7f87c00f0000, 4194304 [pid 5898] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5904] set_robust_list(0x5555565af5e0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 94 [pid 5899] <... munmap resumed>) = 0 [pid 5904] <... set_robust_list resumed>) = 0 [pid 5899] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5904] chdir("./34") = 0 [pid 5899] <... openat resumed>) = 4 [ 121.057905][ T5898] loop3: detected capacity change from 0 to 8192 [ 121.091221][ T5897] loop1: detected capacity change from 0 to 8192 [pid 5897] <... ioctl resumed>) = 0 [pid 5897] close(3) = 0 [pid 5897] mkdir("./file0", 0777) = 0 [pid 5897] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5899] ioctl(4, LOOP_SET_FD, 3 [pid 5904] <... prctl resumed>) = 0 [pid 5904] setpgid(0, 0 [pid 5903] <... write resumed>) = 4194304 [pid 5904] <... setpgid resumed>) = 0 [pid 5903] munmap(0x7f87c00f0000, 4194304 [pid 5904] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5903] <... munmap resumed>) = 0 [pid 5903] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 121.117654][ T5898] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 121.133261][ T5899] loop2: detected capacity change from 0 to 8192 [ 121.147130][ T5897] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5903] ioctl(4, LOOP_SET_FD, 3 [pid 5904] <... symlink resumed>) = 0 [pid 5904] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5904] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5903] <... ioctl resumed>) = 0 [pid 5903] close(3 [pid 5904] write(3, "1000", 4) = 4 [pid 5904] close(3) = 0 [pid 5904] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5904] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5904] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5904] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5904] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[95], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 95 [pid 5904] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5904] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5907 attached [pid 5907] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 5907] memfd_create("syzkaller", 0 [pid 5899] <... ioctl resumed>) = 0 [pid 5907] <... memfd_create resumed>) = 3 [pid 5903] <... close resumed>) = 0 [pid 5899] close(3 [pid 5907] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5899] <... close resumed>) = 0 [pid 5907] <... mmap resumed>) = 0x7f87c00f0000 [pid 5899] mkdir("./file0", 0777 [pid 5903] mkdir("./file0", 0777 [pid 5899] <... mkdir resumed>) = 0 [ 121.152619][ T5903] loop5: detected capacity change from 0 to 8192 [ 121.170555][ T5898] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 121.182438][ T5898] REISERFS (device loop3): using ordered data mode [ 121.190074][ T5898] reiserfs: using flush barriers [ 121.196673][ T5897] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 5899] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5903] <... mkdir resumed>) = 0 [pid 5903] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 121.204786][ T5899] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 121.209316][ T5897] REISERFS (device loop1): using ordered data mode [ 121.228429][ T5897] reiserfs: using flush barriers [ 121.229921][ T5898] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 121.253378][ T5899] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5907] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5902] <... write resumed>) = 4194304 [pid 5902] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5902] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 121.266017][ T5903] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 121.283242][ T5897] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 121.303027][ T5902] loop4: detected capacity change from 0 to 8192 [pid 5902] ioctl(4, LOOP_SET_FD, 3 [pid 5907] <... write resumed>) = 4194304 [pid 5902] <... ioctl resumed>) = 0 [pid 5907] munmap(0x7f87c00f0000, 4194304 [pid 5902] close(3 [pid 5907] <... munmap resumed>) = 0 [pid 5902] <... close resumed>) = 0 [pid 5907] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5902] mkdir("./file0", 0777 [pid 5907] <... openat resumed>) = 4 [ 121.312518][ T5899] REISERFS (device loop2): using ordered data mode [ 121.317002][ T5898] REISERFS (device loop3): checking transaction log (loop3) [ 121.321284][ T5903] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 121.328199][ T5897] REISERFS (device loop1): checking transaction log (loop1) [ 121.339308][ T5899] reiserfs: using flush barriers [ 121.347034][ T5903] REISERFS (device loop5): using ordered data mode [ 121.353092][ T5898] REISERFS (device loop3): Using r5 hash to sort names [pid 5907] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5902] <... mkdir resumed>) = 0 [ 121.368923][ T5907] loop0: detected capacity change from 0 to 8192 [ 121.372458][ T5903] reiserfs: using flush barriers [ 121.376694][ T5899] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 121.399009][ T5898] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5902] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5907] close(3) = 0 [pid 5907] mkdir("./file0", 0777) = 0 [pid 5898] <... mount resumed>) = 0 [pid 5898] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5898] chdir("./file0") = 0 [pid 5898] ioctl(4, LOOP_CLR_FD) = 0 [pid 5898] close(4 [pid 5907] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5898] <... close resumed>) = 0 [pid 5898] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5896] <... futex resumed>) = 0 [ 121.399983][ T5903] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 121.416346][ T5898] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 121.444526][ T5897] REISERFS (device loop1): Using r5 hash to sort names [ 121.453749][ T5902] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5898] mkdir("./file1", 000 [pid 5896] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... mkdir resumed>) = 0 [pid 5896] <... futex resumed>) = 0 [pid 5898] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] <... futex resumed>) = 0 [pid 5896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] mkdir("./bus", 000 [pid 5896] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... mkdir resumed>) = 0 [pid 5896] <... futex resumed>) = 0 [ 121.470838][ T5897] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 121.477894][ T5902] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 121.486502][ T5897] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5898] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... mount resumed>) = 0 [pid 5896] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5897] chdir("./file0") = 0 [pid 5897] ioctl(4, LOOP_CLR_FD) = 0 [pid 5897] close(4) = 0 [pid 5897] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5895] <... futex resumed>) = 0 [pid 5897] mkdir("./file1", 000 [pid 5895] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... mkdir resumed>) = 0 [pid 5895] <... futex resumed>) = 0 [pid 5897] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] <... futex resumed>) = 0 [pid 5895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5897] mkdir("./bus", 000 [pid 5895] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... mkdir resumed>) = 0 [pid 5895] <... futex resumed>) = 0 [pid 5897] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] <... futex resumed>) = 0 [pid 5895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5897] mkdir("./file0", 000 [pid 5895] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] <... mkdir resumed>) = 0 [pid 5895] <... futex resumed>) = 0 [pid 5897] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5897] <... futex resumed>) = 0 [pid 5895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5897] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5895] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 121.500137][ T5903] REISERFS (device loop5): checking transaction log (loop5) [ 121.526269][ T5899] REISERFS (device loop2): checking transaction log (loop2) [ 121.533458][ T5902] REISERFS (device loop4): using ordered data mode [pid 5895] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5895] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] <... futex resumed>) = 0 [pid 5896] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5896] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] mkdir("./file0", 000) = 0 [pid 5895] <... futex resumed>) = 0 [pid 5895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5898] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... mmap resumed>) = 0x7f87c04cf000 [pid 5895] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5895] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5898] <... futex resumed>) = 1 [pid 5896] <... futex resumed>) = 0 [pid 5895] <... clone resumed>, parent_tid=[101], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 101 [pid 5895] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5896] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... futex resumed>) = 0 [pid 5895] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5896] <... futex resumed>) = 0 [pid 5896] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5912 attached [pid 5912] set_robust_list(0x7f87c04ef9e0, 24 [pid 5897] <... mount resumed>) = 0 [ 121.542557][ T5907] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 121.548943][ T5897] overlayfs: upper fs needs to support d_type. [ 121.584949][ T5897] overlayfs: upper fs does not support tmpfile. [ 121.595006][ T5897] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5912] <... set_robust_list resumed>) = 0 [ 121.618063][ T5907] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 121.624917][ T5898] overlayfs: upper fs needs to support d_type. [ 121.633017][ T5903] REISERFS (device loop5): Using r5 hash to sort names [ 121.654635][ T5899] REISERFS (device loop2): Using r5 hash to sort names [pid 5897] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5896] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5896] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5896] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[104], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 104 [pid 5896] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5896] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5912] mkdir(".", 0777 [pid 5897] <... futex resumed>) = 0 [pid 5912] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5897] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6"./strace-static-x86_64: Process 5913 attached [ 121.659314][ T5907] REISERFS (device loop0): using ordered data mode [ 121.683116][ T5902] reiserfs: using flush barriers [ 121.685718][ T5898] overlayfs: upper fs does not support tmpfile. [ 121.692742][ T5903] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5913] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 5913] mkdir(".", 0777) = -1 EEXIST (File exists) [ 121.728586][ T5902] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 121.728881][ T5912] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 121.753009][ T5903] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 121.778557][ T5898] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 121.786283][ T5899] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5913] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 5903] <... mount resumed>) = 0 [ 121.813474][ T5913] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 121.827957][ T5907] reiserfs: using flush barriers [ 121.850256][ T5902] REISERFS (device loop4): checking transaction log (loop4) [ 121.865570][ T5902] REISERFS (device loop4): Using r5 hash to sort names [pid 5913] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... futex resumed>) = 0 [pid 5896] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5896] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] <... futex resumed>) = 1 [pid 5898] <... mount resumed>) = 0 [pid 5913] unlink(NULL [pid 5898] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5898] <... futex resumed>) = 0 [pid 5913] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] <... futex resumed>) = 1 [pid 5896] <... futex resumed>) = 0 [pid 5913] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5896] close(3 [pid 5903] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5896] <... close resumed>) = 0 [pid 5903] <... openat resumed>) = 3 [pid 5896] close(4) = -1 EBADF (Bad file descriptor) [pid 5896] close(5) = -1 EBADF (Bad file descriptor) [pid 5896] close(6) = -1 EBADF (Bad file descriptor) [pid 5896] close(7) = -1 EBADF (Bad file descriptor) [pid 5896] close(8) = -1 EBADF (Bad file descriptor) [pid 5896] close(9) = -1 EBADF (Bad file descriptor) [pid 5896] close(10) = -1 EBADF (Bad file descriptor) [pid 5896] close(11) = -1 EBADF (Bad file descriptor) [pid 5896] close(12) = -1 EBADF (Bad file descriptor) [pid 5896] close(13) = -1 EBADF (Bad file descriptor) [pid 5896] close(14) = -1 EBADF (Bad file descriptor) [pid 5896] close(15) = -1 EBADF (Bad file descriptor) [pid 5896] close(16) = -1 EBADF (Bad file descriptor) [pid 5896] close(17) = -1 EBADF (Bad file descriptor) [pid 5896] close(18) = -1 EBADF (Bad file descriptor) [pid 5896] close(19) = -1 EBADF (Bad file descriptor) [pid 5896] close(20) = -1 EBADF (Bad file descriptor) [pid 5896] close(21) = -1 EBADF (Bad file descriptor) [pid 5896] close(22) = -1 EBADF (Bad file descriptor) [pid 5896] close(23) = -1 EBADF (Bad file descriptor) [pid 5896] close(24 [pid 5903] chdir("./file0") = 0 [pid 5896] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 121.880521][ T5899] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 121.909211][ T5902] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5896] close(25) = -1 EBADF (Bad file descriptor) [pid 5896] close(26) = -1 EBADF (Bad file descriptor) [pid 5896] close(27) = -1 EBADF (Bad file descriptor) [pid 5896] close(28) = -1 EBADF (Bad file descriptor) [pid 5896] close(29) = -1 EBADF (Bad file descriptor) [pid 5896] exit_group(0 [pid 5913] <... futex resumed>) = ? [pid 5898] <... futex resumed>) = ? [pid 5896] <... exit_group resumed>) = ? [pid 5913] +++ exited with 0 +++ [pid 5898] +++ exited with 0 +++ [pid 5896] +++ exited with 0 +++ [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [ 121.934047][ T5907] 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 [ 121.948379][ T5902] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5912] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5903] ioctl(4, LOOP_CLR_FD [pid 5899] <... mount resumed>) = 0 [pid 5912] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... ioctl resumed>) = 0 [pid 5902] <... mount resumed>) = 0 [pid 5899] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5912] <... futex resumed>) = 1 [pid 5903] close(4 [pid 5902] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5895] <... futex resumed>) = 0 [pid 5912] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] <... close resumed>) = 0 [pid 5902] <... openat resumed>) = 3 [pid 5899] <... openat resumed>) = 3 [pid 5895] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] chdir("./file0" [pid 5897] <... futex resumed>) = 0 [pid 5895] <... futex resumed>) = 1 [pid 5903] <... futex resumed>) = 1 [pid 5902] <... chdir resumed>) = 0 [pid 5897] unlink(NULL [pid 5895] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5903] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] ioctl(4, LOOP_CLR_FD [pid 5897] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5902] <... ioctl resumed>) = 0 [pid 5897] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] close(4 [pid 5897] <... futex resumed>) = 1 [pid 5895] <... futex resumed>) = 0 [pid 5902] <... close resumed>) = 0 [pid 5897] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5895] close(3 [pid 5902] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... close resumed>) = 0 [pid 5902] <... futex resumed>) = 1 [pid 5895] close(4 [pid 5902] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] <... futex resumed>) = 0 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] chdir("./file0" [pid 5895] close(5 [pid 5081] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5903] <... futex resumed>) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5899] <... chdir resumed>) = 0 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5903] mkdir("./file1", 000 [pid 5901] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] ioctl(4, LOOP_CLR_FD [pid 5895] close(6 [pid 5081] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5903] <... mkdir resumed>) = 0 [pid 5899] <... ioctl resumed>) = 0 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... openat resumed>) = 3 [pid 5903] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] close(4 [pid 5895] close(7 [pid 5081] fstat(3, [pid 5903] <... futex resumed>) = 1 [pid 5901] <... futex resumed>) = 0 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5903] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5895] close(8) = -1 EBADF (Bad file descriptor) [pid 5895] close(9) = -1 EBADF (Bad file descriptor) [pid 5895] close(10) = -1 EBADF (Bad file descriptor) [pid 5895] close(11) = -1 EBADF (Bad file descriptor) [pid 5895] close(12) = -1 EBADF (Bad file descriptor) [pid 5895] close(13) = -1 EBADF (Bad file descriptor) [pid 5895] close(14) = -1 EBADF (Bad file descriptor) [pid 5895] close(15) = -1 EBADF (Bad file descriptor) [pid 5895] close(16) = -1 EBADF (Bad file descriptor) [pid 5895] close(17) = -1 EBADF (Bad file descriptor) [pid 5895] close(18) = -1 EBADF (Bad file descriptor) [pid 5895] close(19) = -1 EBADF (Bad file descriptor) [pid 5895] close(20) = -1 EBADF (Bad file descriptor) [pid 5895] close(21) = -1 EBADF (Bad file descriptor) [pid 5895] close(22) = -1 EBADF (Bad file descriptor) [pid 5895] close(23) = -1 EBADF (Bad file descriptor) [pid 5895] close(24) = -1 EBADF (Bad file descriptor) [pid 5895] close(25) = -1 EBADF (Bad file descriptor) [pid 5895] close(26) = -1 EBADF (Bad file descriptor) [pid 5895] close(27) = -1 EBADF (Bad file descriptor) [pid 5895] close(28) = -1 EBADF (Bad file descriptor) [pid 5895] close(29) = -1 EBADF (Bad file descriptor) [pid 5895] exit_group(0 [pid 5912] <... futex resumed>) = ? [pid 5897] <... futex resumed>) = ? [pid 5895] <... exit_group resumed>) = ? [pid 5912] +++ exited with 0 +++ [pid 5901] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... futex resumed>) = 0 [pid 5897] +++ exited with 0 +++ [pid 5895] +++ exited with 0 +++ [pid 5899] <... close resumed>) = 0 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5903] <... futex resumed>) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5900] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] getdents64(3, [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=99, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5903] mkdir("./bus", 000 [pid 5902] <... futex resumed>) = 0 [pid 5901] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] <... futex resumed>) = 1 [pid 5899] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5903] <... mkdir resumed>) = 0 [pid 5902] mkdir("./file1", 000 [pid 5900] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5894] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5903] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... mkdir resumed>) = 0 [ 121.963294][ T5907] REISERFS (device loop0): checking transaction log (loop0) [ 122.013219][ T5907] REISERFS (device loop0): Using r5 hash to sort names [pid 5899] mkdir("./file1", 000 [pid 5894] <... futex resumed>) = 0 [pid 5081] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5903] <... futex resumed>) = 1 [pid 5902] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = 0 [pid 5903] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] <... futex resumed>) = 1 [pid 5900] <... futex resumed>) = 0 [pid 5079] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5902] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] <... futex resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5902] mkdir("./bus", 000 [pid 5900] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... openat resumed>) = 3 [pid 5902] <... mkdir resumed>) = 0 [pid 5079] fstat(3, [pid 5902] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5902] <... futex resumed>) = 1 [pid 5900] <... futex resumed>) = 0 [pid 5079] getdents64(3, [pid 5902] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] <... futex resumed>) = 0 [pid 5079] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5894] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5902] mkdir("./file0", 000 [pid 5901] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] <... mkdir resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5903] <... futex resumed>) = 0 [pid 5902] <... mkdir resumed>) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5899] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] lstat("./35/binderfs", [pid 5079] lstat("./35/binderfs", [pid 5903] mkdir("./file0", 000 [pid 5902] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5903] <... mkdir resumed>) = 0 [pid 5902] <... futex resumed>) = 1 [pid 5900] <... futex resumed>) = 0 [pid 5899] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] unlink("./35/binderfs" [pid 5903] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5894] <... futex resumed>) = 0 [pid 5081] unlink("./35/binderfs" [pid 5079] <... unlink resumed>) = 0 [pid 5903] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5901] <... futex resumed>) = 0 [pid 5900] <... futex resumed>) = 0 [pid 5899] mkdir("./bus", 000 [pid 5894] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... unlink resumed>) = 0 [pid 5079] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5903] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5901] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] <... mkdir resumed>) = 0 [pid 5081] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5901] <... futex resumed>) = 0 [ 122.057516][ T5907] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 122.095580][ T5902] overlayfs: upper fs needs to support d_type. [pid 5899] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] lstat("./35/cgroup", [pid 5903] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] unlink("./35/cgroup") = 0 [pid 5079] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./35/cgroup.net" [pid 5907] <... mount resumed>) = 0 [pid 5901] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... unlink resumed>) = 0 [pid 5907] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5899] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] lstat("./35/cgroup", [pid 5907] <... openat resumed>) = 3 [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5894] <... futex resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5907] chdir("./file0" [pid 5899] mkdir("./file0", 000 [pid 5894] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] unlink("./35/cgroup" [pid 5907] <... chdir resumed>) = 0 [pid 5899] <... mkdir resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5907] ioctl(4, LOOP_CLR_FD [pid 5899] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5907] <... ioctl resumed>) = 0 [pid 5899] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5907] close(4 [pid 5899] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] lstat("./35/cgroup.net", [pid 5907] <... close resumed>) = 0 [pid 5899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5894] <... futex resumed>) = 0 [ 122.103456][ T5907] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 122.114547][ T5902] overlayfs: upper fs does not support tmpfile. [ 122.124909][ T5903] overlayfs: upper fs needs to support d_type. [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5907] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5899] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5894] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] unlink("./35/cgroup.net" [pid 5907] <... futex resumed>) = 1 [pid 5904] <... futex resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5907] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5904] <... futex resumed>) = 0 [pid 5907] mkdir("./file1", 000 [pid 5904] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5907] <... mkdir resumed>) = 0 [pid 5901] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = 0 [pid 5907] <... futex resumed>) = 1 [pid 5904] <... futex resumed>) = 0 [pid 5901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5907] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... mmap resumed>) = 0x7f87c04cf000 [pid 5907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5904] <... futex resumed>) = 0 [pid 5901] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5900] <... futex resumed>) = 0 [pid 5907] mkdir("./bus", 000 [pid 5904] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... mprotect resumed>) = 0 [pid 5900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5907] <... mkdir resumed>) = 0 [pid 5901] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5914 attached [pid 5907] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... mount resumed>) = 0 [pid 5902] <... mount resumed>) = 0 [pid 5900] <... mmap resumed>) = 0x7f87c04cf000 [pid 5914] set_robust_list(0x7f87c04ef9e0, 24 [pid 5907] <... futex resumed>) = 1 [pid 5904] <... futex resumed>) = 0 [pid 5902] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... clone resumed>, parent_tid=[102], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 102 [pid 5907] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5904] <... futex resumed>) = 0 [pid 5902] <... futex resumed>) = 0 [pid 5901] <... futex resumed>) = 0 [pid 5907] mkdir("./file0", 000 [pid 5904] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5907] <... mkdir resumed>) = 0 [pid 5907] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5904] <... futex resumed>) = 0 [pid 5907] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [ 122.166748][ T5902] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 122.174850][ T5903] overlayfs: upper fs does not support tmpfile. [ 122.182779][ T5899] overlayfs: upper fs needs to support d_type. [ 122.200772][ T5903] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 122.200921][ T5899] overlayfs: upper fs does not support tmpfile. [pid 5904] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5904] <... futex resumed>) = 0 [pid 5907] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5904] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] <... set_robust_list resumed>) = 0 [pid 5903] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] <... mprotect resumed>) = 0 [pid 5914] mkdir(".", 0777 [pid 5903] <... futex resumed>) = 0 [pid 5900] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5914] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5903] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5915 attached [pid 5914] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5915] set_robust_list(0x7f87c04ef9e0, 24 [pid 5900] <... clone resumed>, parent_tid=[99], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 99 [pid 5915] <... set_robust_list resumed>) = 0 [pid 5915] mkdir(".", 0777 [pid 5900] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5915] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5900] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5915] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5894] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 122.239388][ T5907] overlayfs: upper fs needs to support d_type. [ 122.246719][ T5907] overlayfs: upper fs does not support tmpfile. [pid 5894] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5904] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5904] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5904] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5915] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5914] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5899] <... mount resumed>) = 0 [pid 5894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5914] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5914] <... futex resumed>) = 1 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5914] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] lstat("./35/file0", [pid 5901] <... futex resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5901] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5915] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... futex resumed>) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5903] unlink(NULL [pid 5900] <... futex resumed>) = 0 [pid 5915] <... futex resumed>) = 1 [pid 5903] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5079] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5900] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... openat resumed>) = 4 [pid 5903] <... futex resumed>) = 0 [pid 5079] fstat(4, [pid 5900] <... futex resumed>) = 1 [pid 5902] <... futex resumed>) = 0 [pid 5907] <... mount resumed>) = 0 [pid 5904] <... mprotect resumed>) = 0 [pid 5903] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... mmap resumed>) = 0x7f87c04cf000 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5907] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5902] unlink(NULL [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5899] <... futex resumed>) = 0 [pid 5894] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5079] getdents64(4, ./strace-static-x86_64: Process 5916 attached [pid 5907] <... futex resumed>) = 0 [pid 5902] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5901] close(3 [ 122.280279][ T5914] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 122.282398][ T5899] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 122.295969][ T5915] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 122.302907][ T5907] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5899] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] <... mprotect resumed>) = 0 [pid 5916] set_robust_list(0x7f87c04ef9e0, 24 [pid 5907] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] <... clone resumed>, parent_tid=[96], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 96 [pid 5902] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... close resumed>) = 0 [pid 5894] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5916] <... set_robust_list resumed>) = 0 [pid 5904] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... futex resumed>) = 1 [pid 5901] close(4 [pid 5900] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5917 attached [pid 5916] mkdir(".", 0777 [pid 5904] <... futex resumed>) = 0 [pid 5902] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(3 [pid 5079] getdents64(4, [pid 5917] set_robust_list(0x7f87c04ef9e0, 24 [pid 5916] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5904] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5901] close(5 [pid 5900] <... close resumed>) = 0 [pid 5894] <... clone resumed>, parent_tid=[102], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 102 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5917] <... set_robust_list resumed>) = 0 [pid 5916] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(4 [pid 5894] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = 0 [pid 5079] close(4 [pid 5917] mkdir(".", 0777 [pid 5901] close(6 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... futex resumed>) = 0 [pid 5081] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... close resumed>) = 0 [pid 5917] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(5 [pid 5894] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] rmdir("./35/file0" [pid 5917] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5901] close(7 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./35/file0", [pid 5079] <... rmdir resumed>) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(6 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5901] close(8 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(7 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./35/cgroup.cpu", [pid 5901] close(9 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(8 [pid 5081] <... openat resumed>) = 4 [pid 5079] unlink("./35/cgroup.cpu" [pid 5901] close(10 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] fstat(4, [pid 5079] <... unlink resumed>) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(9 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, [pid 5901] close(11 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(4, [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(10 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] close(3 [pid 5901] close(12 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(4, [pid 5079] <... close resumed>) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(11 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] rmdir("./35" [pid 5901] close(13 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(4 [pid 5079] <... rmdir resumed>) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(12 [pid 5081] <... close resumed>) = 0 [pid 5079] mkdir("./36", 0777 [pid 5901] close(14 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] rmdir("./35/file0" [pid 5079] <... mkdir resumed>) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(13 [pid 5081] <... rmdir resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5901] close(15 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... openat resumed>) = 3 [pid 5900] close(14 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./35/cgroup.cpu", [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5900] close(15 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] close(3 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] unlink("./35/cgroup.cpu" [pid 5079] <... close resumed>) = 0 [pid 5900] close(16 [pid 5081] <... unlink resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5918 attached [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(3, [pid 5918] set_robust_list(0x5555565af5e0, 24 [pid 5900] close(17 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 102 [pid 5918] <... set_robust_list resumed>) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 5918] chdir("./36" [pid 5900] close(18 [pid 5081] <... close resumed>) = 0 [pid 5918] <... chdir resumed>) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] rmdir("./35" [pid 5918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5900] close(19 [pid 5081] <... rmdir resumed>) = 0 [pid 5918] <... prctl resumed>) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] mkdir("./36", 0777 [pid 5918] setpgid(0, 0 [pid 5900] close(20 [pid 5081] <... mkdir resumed>) = 0 [pid 5918] <... setpgid resumed>) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5918] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5900] close(21 [pid 5081] <... openat resumed>) = 3 [pid 5918] <... symlink resumed>) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5918] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5900] close(22 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5918] <... symlink resumed>) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 5918] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5900] close(23 [pid 5081] <... close resumed>) = 0 [pid 5918] <... symlink resumed>) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5919 attached [pid 5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5900] close(24 [pid 5919] set_robust_list(0x5555565af5e0, 24 [pid 5918] <... openat resumed>) = 3 [pid 5901] close(16 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 105 [pid 5919] <... set_robust_list resumed>) = 0 [pid 5918] write(3, "1000", 4 [pid 5900] close(25 [pid 5919] chdir("./36" [pid 5918] <... write resumed>) = 4 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... chdir resumed>) = 0 [pid 5918] close(3 [pid 5900] close(26 [pid 5919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5918] <... close resumed>) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... prctl resumed>) = 0 [pid 5918] read(200, [pid 5900] close(27 [pid 5919] setpgid(0, 0 [pid 5918] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... setpgid resumed>) = 0 [pid 5918] symlink("/dev/binderfs", "./binderfs" [pid 5900] close(28 [pid 5919] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5918] <... symlink resumed>) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... symlink resumed>) = 0 [pid 5918] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] close(29 [pid 5919] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5918] <... futex resumed>) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... symlink resumed>) = 0 [pid 5918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5900] exit_group(0 [pid 5919] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5918] <... mmap resumed>) = 0x7f87c84f0000 [pid 5915] <... futex resumed>) = ? [pid 5902] <... futex resumed>) = ? [pid 5900] <... exit_group resumed>) = ? [pid 5919] <... symlink resumed>) = 0 [pid 5918] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5915] +++ exited with 0 +++ [pid 5902] +++ exited with 0 +++ [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] +++ exited with 0 +++ [pid 5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5918] <... mprotect resumed>) = 0 [pid 5901] close(17 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=97, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5919] <... openat resumed>) = 3 [pid 5918] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5920 attached [pid 5919] write(3, "1000", 4 [pid 5901] close(18 [pid 5920] set_robust_list(0x7f87c85109e0, 24 [pid 5919] <... write resumed>) = 4 [pid 5918] <... clone resumed>, parent_tid=[103], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 103 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5920] <... set_robust_list resumed>) = 0 [pid 5919] close(3 [pid 5918] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] close(19 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5920] memfd_create("syzkaller", 0 [pid 5919] <... close resumed>) = 0 [pid 5918] <... futex resumed>) = 0 [pid 5917] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5916] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5920] <... memfd_create resumed>) = 3 [pid 5919] read(200, [pid 5918] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5917] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] close(20 [pid 5080] <... openat resumed>) = 3 [pid 5920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5919] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5916] <... futex resumed>) = 1 [pid 5904] <... futex resumed>) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] fstat(3, [pid 5917] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5920] <... mmap resumed>) = 0x7f87c00f0000 [pid 5919] symlink("/dev/binderfs", "./binderfs" [pid 5916] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] close(21 [pid 5894] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5919] <... symlink resumed>) = 0 [pid 5917] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] <... futex resumed>) = 0 [ 122.401615][ T5917] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 122.434538][ T5916] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5904] <... futex resumed>) = 1 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5899] <... futex resumed>) = 0 [pid 5894] <... futex resumed>) = 1 [pid 5080] getdents64(3, [pid 5919] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] unlink(NULL [pid 5904] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] close(22 [pid 5899] unlink(NULL [pid 5894] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5919] <... futex resumed>) = 0 [pid 5907] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5899] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5080] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5907] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] close(23 [pid 5899] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5919] <... mmap resumed>) = 0x7f87c84f0000 [pid 5907] <... futex resumed>) = 1 [pid 5904] <... futex resumed>) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5899] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5080] lstat("./36/binderfs", [pid 5919] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5907] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] close(3 [pid 5901] close(24 [pid 5899] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] close(3 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5919] <... mprotect resumed>) = 0 [pid 5904] <... close resumed>) = 0 [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = 0 [pid 5080] unlink("./36/binderfs" [pid 5919] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5904] close(4 [pid 5901] close(25 [pid 5894] close(4 [pid 5080] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5921 attached [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5921] set_robust_list(0x7f87c85109e0, 24 [pid 5919] <... clone resumed>, parent_tid=[106], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 106 [pid 5904] close(5 [pid 5901] close(26 [pid 5894] close(5 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5921] <... set_robust_list resumed>) = 0 [pid 5919] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./36/cgroup", [pid 5921] memfd_create("syzkaller", 0 [pid 5919] <... futex resumed>) = 0 [pid 5904] close(6 [pid 5901] close(27 [pid 5894] close(6 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5921] <... memfd_create resumed>) = 3 [pid 5919] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./36/cgroup" [pid 5921] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5920] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5904] close(7 [pid 5901] close(28 [pid 5894] close(7 [pid 5080] <... unlink resumed>) = 0 [pid 5921] <... mmap resumed>) = 0x7f87c00f0000 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5904] close(8 [pid 5901] close(29 [pid 5894] close(8 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./36/cgroup.net", [pid 5904] close(9 [pid 5901] exit_group(0 [pid 5894] close(9 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5920] <... write resumed>) = 4194304 [pid 5914] <... futex resumed>) = ? [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5903] <... futex resumed>) = ? [pid 5901] <... exit_group resumed>) = ? [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./36/cgroup.net" [pid 5920] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5920] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5903] +++ exited with 0 +++ [pid 5920] <... openat resumed>) = 4 [pid 5920] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5914] +++ exited with 0 +++ [pid 5904] close(10 [pid 5901] +++ exited with 0 +++ [pid 5894] close(10 [pid 5080] <... unlink resumed>) = 0 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5904] close(11 [pid 5894] close(11 [pid 5082] restart_syscall(<... resuming interrupted clone ...> [pid 5080] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5920] close(3 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... restart_syscall resumed>) = 0 [pid 5920] <... close resumed>) = 0 [pid 5904] close(12 [pid 5894] close(12 [pid 5920] mkdir("./file0", 0777 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] <... mkdir resumed>) = 0 [pid 5904] close(13 [pid 5894] close(13 [pid 5082] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5920] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5904] close(14 [pid 5894] close(14 [pid 5082] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 3 [pid 5904] close(15 [pid 5894] close(15 [pid 5082] fstat(3, [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5904] close(16 [pid 5894] close(16 [pid 5082] getdents64(3, [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5904] close(17 [pid 5894] close(17 [pid 5082] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5904] close(18 [pid 5894] close(18 [pid 5082] lstat("./35/binderfs", [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5904] close(19 [pid 5894] close(19 [pid 5082] unlink("./35/binderfs" [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 5921] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5904] close(20 [pid 5894] close(20 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5904] close(21 [pid 5894] close(21 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5904] close(22 [pid 5894] close(22 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5904] close(23 [pid 5894] close(23 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5904] close(24 [pid 5894] close(24 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5904] close(25 [pid 5894] close(25 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5904] close(26 [pid 5894] close(26 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5904] close(27 [pid 5894] close(27 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5904] close(28 [pid 5894] close(28 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5904] close(29 [pid 5894] close(29 [pid 5904] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5904] exit_group(0 [pid 5894] exit_group(0 [pid 5082] lstat("./35/cgroup", [pid 5917] <... futex resumed>) = ? [pid 5916] <... futex resumed>) = ? [pid 5907] <... futex resumed>) = ? [pid 5904] <... exit_group resumed>) = ? [pid 5899] <... futex resumed>) = ? [pid 5894] <... exit_group resumed>) = ? [pid 5917] +++ exited with 0 +++ [pid 5916] +++ exited with 0 +++ [pid 5907] +++ exited with 0 +++ [pid 5904] +++ exited with 0 +++ [pid 5899] +++ exited with 0 +++ [pid 5894] +++ exited with 0 +++ [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=31 /* 0.31 s */} --- [ 122.549986][ T5920] loop1: detected capacity change from 0 to 8192 [ 122.584468][ T5920] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5082] unlink("./35/cgroup") = 0 [pid 5083] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./35/cgroup.net", [pid 5083] <... openat resumed>) = 3 [pid 5078] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5083] fstat(3, [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] unlink("./35/cgroup.net" [pid 5078] fstat(3, [pid 5083] getdents64(3, [pid 5082] <... unlink resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5082] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] getdents64(3, [pid 5083] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] lstat("./35/binderfs", [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./34/binderfs", [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] unlink("./35/binderfs" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./34/binderfs" [pid 5083] <... unlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5083] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] lstat("./35/cgroup", [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] lstat("./34/cgroup", [pid 5083] unlink("./35/cgroup" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5078] unlink("./34/cgroup" [pid 5083] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] <... unlink resumed>) = 0 [pid 5083] lstat("./35/cgroup.net", [pid 5078] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 122.617401][ T5920] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 122.631460][ T5920] REISERFS (device loop1): using ordered data mode [ 122.640690][ T5920] reiserfs: using flush barriers [pid 5921] <... write resumed>) = 4194304 [pid 5083] unlink("./35/cgroup.net" [pid 5078] lstat("./34/cgroup.net", [pid 5921] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5921] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5921] ioctl(4, LOOP_SET_FD, 3 [pid 5083] <... unlink resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5921] <... ioctl resumed>) = 0 [pid 5921] close(3 [pid 5078] unlink("./34/cgroup.net" [pid 5921] <... close resumed>) = 0 [pid 5921] mkdir("./file0", 0777) = 0 [pid 5921] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5078] <... unlink resumed>) = 0 [pid 5083] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 122.651907][ T5920] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 122.661038][ T5921] loop3: detected capacity change from 0 to 8192 [ 122.682222][ T5920] REISERFS (device loop1): checking transaction log (loop1) [pid 5078] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... umount2 resumed>) = 0 [pid 5080] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./36/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5080] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] close(4) = 0 [pid 5080] rmdir("./36/file0") = 0 [pid 5080] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 122.721693][ T5921] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 122.740339][ T5920] REISERFS (device loop1): Using r5 hash to sort names [ 122.746378][ T5921] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 122.750183][ T5920] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5080] lstat("./36/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./36/cgroup.cpu") = 0 [pid 5082] <... umount2 resumed>) = 0 [pid 5080] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] close(3) = 0 [pid 5080] rmdir("./36") = 0 [pid 5080] mkdir("./37", 0777) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5080] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5080] close(3) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5924 attached [pid 5924] set_robust_list(0x5555565af5e0, 24 [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 100 [pid 5924] <... set_robust_list resumed>) = 0 [pid 5924] chdir("./37") = 0 [pid 5924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5924] setpgid(0, 0) = 0 [pid 5924] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5924] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5924] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5082] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5924] <... openat resumed>) = 3 [pid 5082] lstat("./35/file0", [pid 5924] write(3, "1000", 4) = 4 [pid 5924] close(3) = 0 [pid 5924] read(200, [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5924] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5924] symlink("/dev/binderfs", "./binderfs" [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5924] <... symlink resumed>) = 0 [pid 5082] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5924] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... umount2 resumed>) = 0 [pid 5082] <... openat resumed>) = 4 [pid 5924] <... futex resumed>) = 0 [pid 5083] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] fstat(4, [pid 5924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5924] <... mmap resumed>) = 0x7f87c84f0000 [pid 5083] lstat("./35/file0", [pid 5082] getdents64(4, [pid 5924] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5924] <... mprotect resumed>) = 0 [pid 5083] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] getdents64(4, [pid 5924] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5925 attached [pid 5925] set_robust_list(0x7f87c85109e0, 24 [pid 5924] <... clone resumed>, parent_tid=[101], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 101 [pid 5925] <... set_robust_list resumed>) = 0 [pid 5924] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] memfd_create("syzkaller", 0 [pid 5924] <... futex resumed>) = 0 [ 122.854787][ T5921] REISERFS (device loop3): using ordered data mode [ 122.887557][ T5921] reiserfs: using flush barriers [pid 5925] <... memfd_create resumed>) = 3 [pid 5924] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] close(4 [pid 5078] <... umount2 resumed>) = 0 [pid 5925] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5083] <... openat resumed>) = 4 [pid 5082] <... close resumed>) = 0 [pid 5078] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5920] <... mount resumed>) = 0 [pid 5920] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5083] fstat(4, [pid 5082] rmdir("./35/file0" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(4, [pid 5082] <... rmdir resumed>) = 0 [pid 5920] chdir("./file0" [pid 5078] lstat("./34/file0", [pid 5920] <... chdir resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5920] ioctl(4, LOOP_CLR_FD [pid 5083] getdents64(4, [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5920] <... ioctl resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] lstat("./35/cgroup.cpu", [pid 5078] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5920] close(4 [pid 5083] close(4 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5920] <... close resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 122.897384][ T5920] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 122.908015][ T5921] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 122.926333][ T5921] REISERFS (device loop3): checking transaction log (loop3) [ 122.937257][ T5921] REISERFS (device loop3): Using r5 hash to sort names [pid 5920] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] rmdir("./35/file0" [pid 5082] unlink("./35/cgroup.cpu" [pid 5078] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5920] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = 0 [pid 5083] <... rmdir resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5078] <... openat resumed>) = 4 [pid 5920] mkdir("./file1", 000 [pid 5918] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] getdents64(3, [pid 5078] fstat(4, [pid 5918] <... futex resumed>) = 0 [pid 5918] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] <... mkdir resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5920] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] lstat("./35/cgroup.cpu", [pid 5082] close(3 [pid 5078] getdents64(4, [pid 5920] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] <... close resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5920] mkdir("./bus", 000 [pid 5918] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] unlink("./35/cgroup.cpu" [pid 5082] rmdir("./35" [pid 5078] getdents64(4, [pid 5918] <... futex resumed>) = 0 [pid 5918] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] <... mkdir resumed>) = 0 [pid 5082] <... rmdir resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5925] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5920] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... unlink resumed>) = 0 [pid 5082] mkdir("./36", 0777 [pid 5078] close(4 [pid 5920] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = 0 [pid 5083] getdents64(3, [pid 5082] <... mkdir resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5920] mkdir("./file0", 000 [pid 5918] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] close(3 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5078] rmdir("./34/file0" [pid 5920] <... mkdir resumed>) = 0 [pid 5918] <... futex resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5921] <... mount resumed>) = 0 [pid 5920] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] rmdir("./35" [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5078] <... rmdir resumed>) = 0 [pid 5921] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5920] <... futex resumed>) = 0 [pid 5918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... rmdir resumed>) = 0 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5921] <... openat resumed>) = 3 [pid 5920] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5918] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] mkdir("./36", 0777 [pid 5082] close(3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5921] chdir("./file0" [pid 5918] <... futex resumed>) = 0 [pid 5083] <... mkdir resumed>) = 0 [pid 5082] <... close resumed>) = 0 [ 122.950233][ T5921] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 122.973211][ T5921] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5078] lstat("./34/cgroup.cpu", [pid 5921] <... chdir resumed>) = 0 [pid 5918] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5921] ioctl(4, LOOP_CLR_FD) = 0 [pid 5078] unlink("./34/cgroup.cpu"./strace-static-x86_64: Process 5926 attached [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 103 [pid 5921] close(4 [pid 5078] <... unlink resumed>) = 0 [pid 5921] <... close resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 5926] set_robust_list(0x5555565af5e0, 24 [pid 5078] getdents64(3, [pid 5926] <... set_robust_list resumed>) = 0 [pid 5921] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5921] <... futex resumed>) = 1 [pid 5078] close(3 [pid 5083] close(3 [pid 5926] chdir("./36" [pid 5921] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5919] <... futex resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5926] <... chdir resumed>) = 0 [pid 5078] rmdir("./34" [pid 5919] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 ./strace-static-x86_64: Process 5927 attached [pid 5921] <... futex resumed>) = 0 [pid 5919] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] mkdir("./file1", 000 [pid 5078] <... rmdir resumed>) = 0 [pid 5927] set_robust_list(0x5555565af5e0, 24 [pid 5926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 103 [pid 5921] <... mkdir resumed>) = 0 [pid 5078] mkdir("./35", 0777 [pid 5927] <... set_robust_list resumed>) = 0 [pid 5926] <... prctl resumed>) = 0 [pid 5921] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] setpgid(0, 0 [pid 5921] <... futex resumed>) = 1 [pid 5919] <... futex resumed>) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 5927] chdir("./36" [pid 5926] <... setpgid resumed>) = 0 [pid 5921] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5919] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5927] <... chdir resumed>) = 0 [pid 5926] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] <... futex resumed>) = 0 [pid 5927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5926] <... symlink resumed>) = 0 [pid 5921] mkdir("./bus", 000 [pid 5919] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... openat resumed>) = 3 [ 123.007733][ T5920] overlayfs: upper fs needs to support d_type. [ 123.014220][ T5920] overlayfs: upper fs does not support tmpfile. [pid 5927] <... prctl resumed>) = 0 [pid 5926] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5921] <... mkdir resumed>) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5927] setpgid(0, 0 [pid 5926] <... symlink resumed>) = 0 [pid 5921] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... setpgid resumed>) = 0 [pid 5926] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5921] <... futex resumed>) = 1 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5927] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5919] <... futex resumed>) = 0 [pid 5926] <... symlink resumed>) = 0 [pid 5921] mkdir("./file0", 000 [pid 5919] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... symlink resumed>) = 0 [pid 5926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5921] <... mkdir resumed>) = 0 [pid 5919] <... futex resumed>) = 0 [pid 5078] close(3 [pid 5927] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5926] <... openat resumed>) = 3 [pid 5921] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] <... symlink resumed>) = 0 [pid 5926] write(3, "1000", 4 [pid 5921] <... futex resumed>) = 0 [pid 5919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] <... close resumed>) = 0 [pid 5927] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5926] <... write resumed>) = 4 [pid 5921] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5919] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5927] <... symlink resumed>) = 0 [pid 5926] close(3 [pid 5921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5928 attached [pid 5927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5926] <... close resumed>) = 0 [pid 5921] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5919] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] set_robust_list(0x5555565af5e0, 24 [pid 5927] <... openat resumed>) = 3 [pid 5926] read(200, [pid 5925] <... write resumed>) = 4194304 [pid 5928] <... set_robust_list resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 97 [pid 5928] chdir("./35") = 0 [pid 5928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5928] setpgid(0, 0) = 0 [pid 5928] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5927] write(3, "1000", 4 [pid 5928] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5928] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5925] munmap(0x7f87c00f0000, 4194304 [pid 5928] <... symlink resumed>) = 0 [pid 5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5925] <... munmap resumed>) = 0 [pid 5928] <... openat resumed>) = 3 [pid 5927] <... write resumed>) = 4 [pid 5926] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5920] <... mount resumed>) = 0 [pid 5918] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 123.057794][ T5920] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 123.087399][ T5921] overlayfs: upper fs needs to support d_type. [ 123.094375][ T5921] overlayfs: upper fs does not support tmpfile. [pid 5925] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5928] write(3, "1000", 4 [pid 5927] close(3 [pid 5926] symlink("/dev/binderfs", "./binderfs" [pid 5925] <... openat resumed>) = 4 [pid 5920] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... write resumed>) = 4 [pid 5925] ioctl(4, LOOP_SET_FD, 3 [pid 5928] close(3) = 0 [pid 5927] <... close resumed>) = 0 [pid 5926] <... symlink resumed>) = 0 [pid 5921] <... mount resumed>) = 0 [pid 5920] <... futex resumed>) = 0 [pid 5918] <... futex resumed>) = 0 [pid 5928] read(200, [pid 5927] read(200, [pid 5926] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] mkdir(".", 0777 [pid 5919] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5918] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5928] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5927] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5926] <... futex resumed>) = 0 [pid 5921] <... futex resumed>) = 0 [pid 5920] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5919] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] symlink("/dev/binderfs", "./binderfs" [pid 5927] symlink("/dev/binderfs", "./binderfs" [pid 5926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5921] mkdir(".", 0777 [pid 5920] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5919] <... futex resumed>) = 0 [pid 5928] <... symlink resumed>) = 0 [pid 5927] <... symlink resumed>) = 0 [pid 5926] <... mmap resumed>) = 0x7f87c84f0000 [pid 5921] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5919] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5928] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5928] <... futex resumed>) = 0 [pid 5927] <... futex resumed>) = 0 [pid 5926] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5926] <... mprotect resumed>) = 0 [pid 5928] <... mmap resumed>) = 0x7f87c84f0000 [pid 5927] <... mmap resumed>) = 0x7f87c84f0000 [pid 5928] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5926] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5928] <... mprotect resumed>) = 0 [pid 5927] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5929 attached [pid 5928] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5927] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5930 attached [ 123.113236][ T5921] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 123.119395][ T5925] loop4: detected capacity change from 0 to 8192 [pid 5929] set_robust_list(0x7f87c85109e0, 24 [pid 5927] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5926] <... clone resumed>, parent_tid=[104], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 104 [pid 5925] <... ioctl resumed>) = 0 [pid 5930] set_robust_list(0x7f87c85109e0, 24 [pid 5929] <... set_robust_list resumed>) = 0 [pid 5928] <... clone resumed>, parent_tid=[98], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 98 [pid 5925] close(3 [pid 5930] <... set_robust_list resumed>) = 0 [pid 5929] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... close resumed>) = 0 [pid 5930] memfd_create("syzkaller", 0 [pid 5928] <... futex resumed>) = 0 [pid 5930] <... memfd_create resumed>) = 3 [pid 5928] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5925] mkdir("./file0", 0777 [pid 5930] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5925] <... mkdir resumed>) = 0 [pid 5930] <... mmap resumed>) = 0x7f87c00f0000 [pid 5925] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 5931 attached [pid 5926] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... clone resumed>, parent_tid=[104], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 104 [pid 5931] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5927] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... futex resumed>) = 1 [ 123.158765][ T5921] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 123.174143][ T5920] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 123.190890][ T5925] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5931] memfd_create("syzkaller", 0 [pid 5929] memfd_create("syzkaller", 0 [pid 5927] <... futex resumed>) = 0 [pid 5926] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5921] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5920] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5931] <... memfd_create resumed>) = 3 [pid 5929] <... memfd_create resumed>) = 3 [pid 5927] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5921] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5921] <... futex resumed>) = 1 [pid 5919] <... futex resumed>) = 0 [pid 5920] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = 0 [pid 5931] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5929] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5921] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5919] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5920] unlink(NULL [pid 5918] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... mmap resumed>) = 0x7f87c00f0000 [pid 5921] unlink(NULL [pid 5918] <... futex resumed>) = 0 [pid 5921] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5920] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5918] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5929] <... mmap resumed>) = 0x7f87c00f0000 [pid 5919] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5919] close(3) = 0 [pid 5919] close(4) = -1 EBADF (Bad file descriptor) [pid 5919] close(5) = -1 EBADF (Bad file descriptor) [pid 5919] close(6) = -1 EBADF (Bad file descriptor) [pid 5919] close(7) = -1 EBADF (Bad file descriptor) [pid 5919] close(8) = -1 EBADF (Bad file descriptor) [pid 5919] close(9 [pid 5921] <... futex resumed>) = 0 [pid 5918] <... futex resumed>) = 0 [pid 5920] <... futex resumed>) = 1 [pid 5921] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] close(3 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(10) = -1 EBADF (Bad file descriptor) [pid 5919] close(11) = -1 EBADF (Bad file descriptor) [pid 5919] close(12) = -1 EBADF (Bad file descriptor) [pid 5919] close(13) = -1 EBADF (Bad file descriptor) [pid 5919] close(14) = -1 EBADF (Bad file descriptor) [pid 5919] close(15 [pid 5920] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] <... close resumed>) = 0 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(16) = -1 EBADF (Bad file descriptor) [pid 5919] close(17) = -1 EBADF (Bad file descriptor) [pid 5919] close(18) = -1 EBADF (Bad file descriptor) [pid 5918] close(4) = -1 EBADF (Bad file descriptor) [pid 5918] close(5 [pid 5919] close(19) = -1 EBADF (Bad file descriptor) [pid 5919] close(20) = -1 EBADF (Bad file descriptor) [pid 5919] close(21) = -1 EBADF (Bad file descriptor) [pid 5919] close(22 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] close(6 [pid 5919] close(23 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(24 [pid 5918] close(7 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(25 [pid 5918] close(8 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(26 [pid 5918] close(9 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(27 [pid 5918] close(10 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(28 [pid 5918] close(11 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] close(29 [pid 5918] close(12 [pid 5919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] exit_group(0 [pid 5918] close(13 [pid 5921] <... futex resumed>) = ? [pid 5919] <... exit_group resumed>) = ? [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5921] +++ exited with 0 +++ [pid 5918] close(14) = -1 EBADF (Bad file descriptor) [pid 5918] close(15 [pid 5919] +++ exited with 0 +++ [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5918] close(16) = -1 EBADF (Bad file descriptor) [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=105, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5918] close(17 [ 123.207183][ T5925] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5081] restart_syscall(<... resuming interrupted clone ...> [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... restart_syscall resumed>) = 0 [pid 5930] <... write resumed>) = 4194304 [pid 5918] close(18) = -1 EBADF (Bad file descriptor) [pid 5918] close(19 [pid 5081] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5918] close(20 [pid 5081] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... openat resumed>) = 3 [pid 5918] close(21 [pid 5081] fstat(3, [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5918] close(22 [pid 5081] getdents64(3, [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5918] close(23 [pid 5081] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5930] munmap(0x7f87c00f0000, 4194304 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5918] close(24 [pid 5081] lstat("./36/binderfs", [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5918] close(25 [pid 5081] unlink("./36/binderfs" [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... unlink resumed>) = 0 [pid 5918] close(26 [pid 5081] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5918] close(27 [pid 5081] lstat("./36/cgroup", [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5918] close(28 [pid 5081] unlink("./36/cgroup" [pid 5930] <... munmap resumed>) = 0 [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... unlink resumed>) = 0 [pid 5930] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5918] close(29 [pid 5081] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5918] exit_group(0 [pid 5081] lstat("./36/cgroup.net", [pid 5920] <... futex resumed>) = ? [pid 5918] <... exit_group resumed>) = ? [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5929] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5920] +++ exited with 0 +++ [pid 5918] +++ exited with 0 +++ [pid 5081] unlink("./36/cgroup.net" [pid 5930] <... openat resumed>) = 4 [pid 5081] <... unlink resumed>) = 0 [ 123.270382][ T5925] REISERFS (device loop4): using ordered data mode [ 123.279490][ T5925] reiserfs: using flush barriers [ 123.288828][ T5925] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 123.307512][ T5925] REISERFS (device loop4): checking transaction log (loop4) [pid 5930] ioctl(4, LOOP_SET_FD, 3 [pid 5081] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5931] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5930] <... ioctl resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5930] close(3 [pid 5929] <... write resumed>) = 4194304 [pid 5930] <... close resumed>) = 0 [pid 5930] mkdir("./file0", 0777 [pid 5929] munmap(0x7f87c00f0000, 4194304 [pid 5930] <... mkdir resumed>) = 0 [pid 5930] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5929] <... munmap resumed>) = 0 [pid 5079] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5929] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5929] ioctl(4, LOOP_SET_FD, 3 [ 123.317616][ T5930] loop0: detected capacity change from 0 to 8192 [ 123.337037][ T5925] REISERFS (device loop4): Using r5 hash to sort names [ 123.344276][ T5925] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5079] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5929] <... ioctl resumed>) = 0 [pid 5079] fstat(3, [pid 5929] close(3) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5929] mkdir("./file0", 0777 [pid 5079] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./36/binderfs") = 0 [pid 5931] <... write resumed>) = 4194304 [pid 5925] <... mount resumed>) = 0 [pid 5079] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5925] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5925] <... openat resumed>) = 3 [ 123.364296][ T5929] loop5: detected capacity change from 0 to 8192 [ 123.379894][ T5930] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 123.396523][ T5925] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 123.407463][ T5930] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5079] lstat("./36/cgroup", [pid 5925] chdir("./file0" [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5925] <... chdir resumed>) = 0 [pid 5079] unlink("./36/cgroup" [pid 5925] ioctl(4, LOOP_CLR_FD [pid 5079] <... unlink resumed>) = 0 [pid 5925] <... ioctl resumed>) = 0 [pid 5079] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5925] close(4 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5931] munmap(0x7f87c00f0000, 4194304 [pid 5929] <... mkdir resumed>) = 0 [pid 5925] <... close resumed>) = 0 [pid 5079] lstat("./36/cgroup.net", [pid 5925] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5925] <... futex resumed>) = 1 [pid 5924] <... futex resumed>) = 0 [pid 5079] unlink("./36/cgroup.net" [pid 5925] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... unlink resumed>) = 0 [pid 5931] <... munmap resumed>) = 0 [pid 5929] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] <... futex resumed>) = 0 [pid 5079] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5925] mkdir("./file1", 000 [pid 5924] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5925] <... mkdir resumed>) = 0 [pid 5931] <... openat resumed>) = 4 [ 123.418608][ T5930] REISERFS (device loop0): using ordered data mode [ 123.425333][ T5930] reiserfs: using flush barriers [ 123.439396][ T5930] 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 [ 123.462093][ T5930] REISERFS (device loop0): checking transaction log (loop0) [pid 5925] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] ioctl(4, LOOP_SET_FD, 3 [pid 5925] <... futex resumed>) = 1 [pid 5924] <... futex resumed>) = 0 [pid 5081] <... umount2 resumed>) = 0 [pid 5925] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] <... futex resumed>) = 0 [pid 5925] mkdir("./bus", 000 [pid 5924] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] <... mkdir resumed>) = 0 [pid 5925] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5925] <... futex resumed>) = 1 [pid 5924] <... futex resumed>) = 0 [pid 5925] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] <... futex resumed>) = 0 [pid 5931] <... ioctl resumed>) = 0 [pid 5925] mkdir("./file0", 000 [pid 5924] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5931] close(3 [pid 5925] <... mkdir resumed>) = 0 [pid 5925] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5924] <... futex resumed>) = 0 [pid 5925] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] <... futex resumed>) = 0 [pid 5925] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5924] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] <... close resumed>) = 0 [ 123.496714][ T5929] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 123.497930][ T5931] loop2: detected capacity change from 0 to 8192 [ 123.523721][ T5929] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 123.532430][ T5925] overlayfs: upper fs needs to support d_type. [pid 5081] lstat("./36/file0", [pid 5931] mkdir("./file0", 0777 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5931] <... mkdir resumed>) = 0 [pid 5081] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5931] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5081] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 123.534464][ T5929] REISERFS (device loop5): using ordered data mode [ 123.545789][ T5930] REISERFS (device loop0): Using r5 hash to sort names [ 123.550372][ T5929] reiserfs: using flush barriers [ 123.570581][ T5929] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 123.571718][ T5925] overlayfs: upper fs does not support tmpfile. [pid 5081] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] getdents64(4, [pid 5924] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 123.590013][ T5931] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 123.598005][ T5930] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 123.627173][ T5931] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 123.637940][ T5931] REISERFS (device loop2): using ordered data mode [pid 5924] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5924] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5924] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[102], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 102 [pid 5924] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5924] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5936 attached [pid 5936] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 5936] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5930] <... mount resumed>) = 0 [pid 5081] close(4 [pid 5930] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5081] <... close resumed>) = 0 [pid 5081] rmdir("./36/file0") = 0 [pid 5081] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5930] <... openat resumed>) = 3 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5930] chdir("./file0" [pid 5081] lstat("./36/cgroup.cpu", [pid 5930] <... chdir resumed>) = 0 [pid 5936] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5930] ioctl(4, LOOP_CLR_FD [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5930] <... ioctl resumed>) = 0 [pid 5081] unlink("./36/cgroup.cpu" [pid 5930] close(4 [pid 5081] <... unlink resumed>) = 0 [ 123.645940][ T5931] reiserfs: using flush barriers [ 123.652303][ T5930] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 123.663202][ T5925] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 123.672825][ T5929] REISERFS (device loop5): checking transaction log (loop5) [pid 5930] <... close resumed>) = 0 [pid 5081] getdents64(3, [pid 5930] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5930] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 0 [ 123.686028][ T5931] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 123.704284][ T5929] REISERFS (device loop5): Using r5 hash to sort names [ 123.712544][ T5929] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 123.717300][ T5931] REISERFS (device loop2): checking transaction log (loop2) [ 123.726275][ T5929] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5081] close(3 [pid 5930] mkdir("./file1", 000 [pid 5929] <... mount resumed>) = 0 [pid 5928] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... close resumed>) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5930] <... mkdir resumed>) = 0 [pid 5928] <... futex resumed>) = 0 [pid 5081] rmdir("./36" [pid 5079] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5930] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... rmdir resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5930] <... futex resumed>) = 0 [pid 5928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] mkdir("./37", 0777 [pid 5079] lstat("./36/file0", [pid 5930] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5928] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... mkdir resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5929] <... openat resumed>) = 3 [pid 5928] <... futex resumed>) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5079] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5930] mkdir("./bus", 000 [pid 5928] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... openat resumed>) = 3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5930] <... mkdir resumed>) = 0 [pid 5929] chdir("./file0" [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5079] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5930] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] <... openat resumed>) = 4 [pid 5930] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5081] close(3 [pid 5079] fstat(4, [pid 5930] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] <... chdir resumed>) = 0 [pid 5928] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... close resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5929] ioctl(4, LOOP_CLR_FD [pid 5928] <... futex resumed>) = 0 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] getdents64(4, ./strace-static-x86_64: Process 5937 attached [pid 5930] mkdir("./file0", 000 [pid 5929] <... ioctl resumed>) = 0 [pid 5928] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5937] set_robust_list(0x5555565af5e0, 24 [pid 5930] <... mkdir resumed>) = 0 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 107 [pid 5079] getdents64(4, [pid 5937] <... set_robust_list resumed>) = 0 [pid 5930] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5937] chdir("./37" [pid 5930] <... futex resumed>) = 1 [pid 5929] close(4 [pid 5928] <... futex resumed>) = 0 [pid 5079] close(4 [pid 5937] <... chdir resumed>) = 0 [pid 5930] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] <... close resumed>) = 0 [pid 5928] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... close resumed>) = 0 [pid 5937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5929] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... futex resumed>) = 0 [pid 5079] rmdir("./36/file0" [pid 5937] <... prctl resumed>) = 0 [pid 5930] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5929] <... futex resumed>) = 1 [ 123.742622][ T5936] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5928] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5926] <... futex resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5937] setpgid(0, 0 [pid 5929] mkdir("./file1", 000 [pid 5926] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5937] <... setpgid resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5937] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5926] <... futex resumed>) = 0 [pid 5079] lstat("./36/cgroup.cpu", [pid 5937] <... symlink resumed>) = 0 [pid 5929] <... mkdir resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5937] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5079] unlink("./36/cgroup.cpu" [pid 5937] <... symlink resumed>) = 0 [pid 5929] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... unlink resumed>) = 0 [pid 5937] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5929] <... futex resumed>) = 0 [pid 5926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] getdents64(3, [pid 5937] <... symlink resumed>) = 0 [pid 5929] mkdir("./bus", 000 [pid 5926] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] close(3 [pid 5937] <... openat resumed>) = 3 [pid 5079] <... close resumed>) = 0 [pid 5937] write(3, "1000", 4 [pid 5079] rmdir("./36" [pid 5937] <... write resumed>) = 4 [pid 5929] <... mkdir resumed>) = 0 [pid 5926] <... futex resumed>) = 0 [pid 5936] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5925] <... mount resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5937] close(3 [pid 5079] mkdir("./37", 0777 [pid 5937] <... close resumed>) = 0 [pid 5936] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... mkdir resumed>) = 0 [pid 5937] read(200, [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5937] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] <... openat resumed>) = 3 [pid 5937] symlink("/dev/binderfs", "./binderfs" [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5937] <... symlink resumed>) = 0 [pid 5936] <... futex resumed>) = 1 [pid 5929] <... futex resumed>) = 0 [pid 5926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] <... futex resumed>) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5937] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] close(3 [pid 5937] <... futex resumed>) = 0 [pid 5936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5926] <... futex resumed>) = 0 [pid 5925] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... futex resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5936] unlink(NULL [pid 5929] mkdir("./file0", 000 [pid 5926] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] <... futex resumed>) = 0 [pid 5924] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5938 attached [pid 5937] <... mmap resumed>) = 0x7f87c84f0000 [pid 5936] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5929] <... mkdir resumed>) = 0 [pid 5925] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] set_robust_list(0x5555565af5e0, 24 [pid 5937] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5936] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 104 [pid 5938] <... set_robust_list resumed>) = 0 [pid 5937] <... mprotect resumed>) = 0 [pid 5936] <... futex resumed>) = 1 [pid 5929] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5938] chdir("./37" [pid 5937] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5936] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] close(3./strace-static-x86_64: Process 5939 attached [pid 5938] <... chdir resumed>) = 0 [pid 5929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5926] <... futex resumed>) = 0 [pid 5924] <... close resumed>) = 0 [pid 5939] set_robust_list(0x7f87c85109e0, 24 [pid 5938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5937] <... clone resumed>, parent_tid=[108], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 108 [pid 5929] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5926] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 123.789053][ T5930] overlayfs: upper fs needs to support d_type. [ 123.804651][ T5931] REISERFS (device loop2): Using r5 hash to sort names [ 123.818447][ T5930] overlayfs: upper fs does not support tmpfile. [ 123.826300][ T5930] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5924] close(4 [pid 5939] <... set_robust_list resumed>) = 0 [pid 5938] <... prctl resumed>) = 0 [pid 5937] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] setpgid(0, 0 [pid 5937] <... futex resumed>) = 0 [pid 5938] <... setpgid resumed>) = 0 [pid 5937] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5938] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5938] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5938] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5939] memfd_create("syzkaller", 0 [pid 5938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5924] close(5 [pid 5938] <... openat resumed>) = 3 [pid 5938] write(3, "1000", 4) = 4 [pid 5938] close(3) = 0 [pid 5938] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5938] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5928] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... memfd_create resumed>) = 3 [pid 5938] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] close(6 [pid 5938] <... futex resumed>) = 0 [pid 5938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5938] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5938] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5940 attached [pid 5940] set_robust_list(0x7f87c85109e0, 24 [pid 5938] <... clone resumed>, parent_tid=[105], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 105 [pid 5940] <... set_robust_list resumed>) = 0 [pid 5938] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] memfd_create("syzkaller", 0 [pid 5938] <... futex resumed>) = 0 [pid 5940] <... memfd_create resumed>) = 3 [pid 5938] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5940] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 123.862619][ T5929] overlayfs: upper fs needs to support d_type. [ 123.863140][ T5931] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 123.897139][ T5931] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5939] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5931] <... mount resumed>) = 0 [pid 5928] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5939] <... mmap resumed>) = 0x7f87c00f0000 [pid 5930] <... mount resumed>) = 0 [pid 5931] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5928] <... futex resumed>) = 0 [pid 5924] close(7 [pid 5926] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5930] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5930] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5931] <... openat resumed>) = 3 [pid 5928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5931] chdir("./file0" [pid 5928] <... mmap resumed>) = 0x7f87c04cf000 [pid 5926] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] close(8 [pid 5928] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5926] <... futex resumed>) = 0 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5931] <... chdir resumed>) = 0 [pid 5928] <... mprotect resumed>) = 0 [pid 5926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5924] close(9 [pid 5931] ioctl(4, LOOP_CLR_FD [pid 5928] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5926] <... mmap resumed>) = 0x7f87c04cf000 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5941 attached [pid 5931] <... ioctl resumed>) = 0 [pid 5926] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5924] close(10 [pid 5941] set_robust_list(0x7f87c04ef9e0, 24 [pid 5931] close(4 [pid 5928] <... clone resumed>, parent_tid=[99], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 99 [ 123.909194][ T5929] overlayfs: upper fs does not support tmpfile. [pid 5926] <... mprotect resumed>) = 0 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... set_robust_list resumed>) = 0 [pid 5931] <... close resumed>) = 0 [pid 5928] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5942 attached [pid 5941] mkdir(".", 0777 [pid 5931] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... futex resumed>) = 0 [pid 5924] close(11 [pid 5942] set_robust_list(0x7f87c04ef9e0, 24 [pid 5941] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5931] <... futex resumed>) = 1 [pid 5928] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5927] <... futex resumed>) = 0 [pid 5926] <... clone resumed>, parent_tid=[105], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 105 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] <... set_robust_list resumed>) = 0 [pid 5941] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5931] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] close(12 [pid 5942] mkdir(".", 0777 [pid 5931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5927] <... futex resumed>) = 0 [pid 5926] <... futex resumed>) = 0 [pid 5942] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5931] mkdir("./file1", 000 [pid 5927] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5926] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5942] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5931] <... mkdir resumed>) = 0 [pid 5924] close(13 [pid 5931] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5931] <... futex resumed>) = 1 [pid 5927] <... futex resumed>) = 0 [pid 5924] close(14 [pid 5931] mkdir("./bus", 000 [pid 5927] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5927] <... futex resumed>) = 0 [pid 5927] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5931] <... mkdir resumed>) = 0 [pid 5924] close(15) = -1 EBADF (Bad file descriptor) [pid 5931] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] close(16 [pid 5931] <... futex resumed>) = 1 [pid 5927] <... futex resumed>) = 0 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5931] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] close(17 [pid 5931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5927] <... futex resumed>) = 0 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5931] mkdir("./file0", 000 [pid 5927] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5924] close(18 [pid 5931] <... mkdir resumed>) = 0 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5940] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5931] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] close(19 [pid 5931] <... futex resumed>) = 1 [pid 5927] <... futex resumed>) = 0 [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 123.937314][ T5929] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5931] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5927] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] close(20 [pid 5927] <... futex resumed>) = 0 [pid 5927] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5924] close(21) = -1 EBADF (Bad file descriptor) [pid 5924] close(22) = -1 EBADF (Bad file descriptor) [pid 5924] close(23) = -1 EBADF (Bad file descriptor) [pid 5924] close(24) = -1 EBADF (Bad file descriptor) [pid 5924] close(25) = -1 EBADF (Bad file descriptor) [pid 5924] close(26) = -1 EBADF (Bad file descriptor) [pid 5924] close(27) = -1 EBADF (Bad file descriptor) [pid 5924] close(28) = -1 EBADF (Bad file descriptor) [pid 5924] close(29) = -1 EBADF (Bad file descriptor) [pid 5924] exit_group(0) = ? [pid 5936] <... futex resumed>) = ? [pid 5925] <... futex resumed>) = ? [pid 5925] +++ exited with 0 +++ [pid 5936] +++ exited with 0 +++ [pid 5924] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5080] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5080] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5080] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5927] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5080] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5927] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 123.980783][ T5931] overlayfs: upper fs needs to support d_type. [ 124.007086][ T5941] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 124.024375][ T5931] overlayfs: upper fs does not support tmpfile. [pid 5080] lstat("./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5929] <... mount resumed>) = 0 [pid 5927] <... futex resumed>) = 0 [pid 5080] unlink("./37/binderfs") = 0 [pid 5080] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./37/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] unlink("./37/cgroup") = 0 [pid 5080] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./37/cgroup.net", [pid 5941] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5940] <... write resumed>) = 4194304 [pid 5939] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5931] <... mount resumed>) = 0 [pid 5929] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./37/cgroup.net" [pid 5940] munmap(0x7f87c00f0000, 4194304 [pid 5080] <... unlink resumed>) = 0 [pid 5080] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5942] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5942] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... futex resumed>) = 0 [pid 5926] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5926] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5942] <... futex resumed>) = 1 [pid 5942] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... munmap resumed>) = 0 [pid 5931] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... futex resumed>) = 1 [pid 5927] <... mmap resumed>) = 0x7f87c04cf000 [pid 5941] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5941] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = 0 [pid 5928] <... futex resumed>) = 1 [pid 5940] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5931] <... futex resumed>) = 0 [pid 5930] unlink(NULL [pid 5929] unlink(NULL [pid 5928] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5940] <... openat resumed>) = 4 [pid 5931] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5930] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5929] <... unlink resumed>) = -1 EFAULT (Bad address) [ 124.041560][ T5931] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 124.058388][ T5942] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5940] ioctl(4, LOOP_SET_FD, 3 [pid 5930] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... mprotect resumed>) = 0 [pid 5929] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5930] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] close(3) = 0 [pid 5928] close(4) = -1 EBADF (Bad file descriptor) [pid 5926] <... futex resumed>) = 0 [pid 5928] close(5 [pid 5926] close(3 [pid 5940] <... ioctl resumed>) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5927] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5926] <... close resumed>) = 0 ./strace-static-x86_64: Process 5943 attached [pid 5929] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] close(6 [pid 5926] close(4 [pid 5943] set_robust_list(0x7f87c04ef9e0, 24 [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5927] <... clone resumed>, parent_tid=[105], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 105 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] <... set_robust_list resumed>) = 0 [pid 5928] close(7 [pid 5927] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] mkdir(".", 0777 [pid 5940] close(3 [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(5 [pid 5943] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5928] close(8 [pid 5927] <... futex resumed>) = 0 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5940] <... close resumed>) = 0 [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5927] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5926] close(6 [pid 5928] close(9 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(7 [pid 5928] close(10 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(8 [pid 5928] close(11 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(9 [pid 5928] close(12 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(10 [pid 5928] close(13 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(11 [pid 5928] close(14 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(12 [pid 5928] close(15 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(13 [pid 5928] close(16 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(14 [pid 5928] close(17 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(15 [pid 5928] close(18 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(16 [pid 5928] close(19 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(17 [pid 5928] close(20 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(18 [pid 5928] close(21 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(19 [pid 5928] close(22 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(20 [pid 5928] close(23 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(21 [pid 5928] close(24 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(22 [pid 5928] close(25 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(23 [pid 5928] close(26 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(24 [pid 5928] close(27 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(25 [pid 5928] close(28 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(26 [pid 5928] close(29 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(27 [pid 5928] exit_group(0 [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] <... futex resumed>) = ? [pid 5930] <... futex resumed>) = ? [pid 5928] <... exit_group resumed>) = ? [pid 5926] close(28 [pid 5941] +++ exited with 0 +++ [pid 5930] +++ exited with 0 +++ [pid 5928] +++ exited with 0 +++ [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] close(29 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=97, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5926] exit_group(0 [pid 5942] <... futex resumed>) = ? [pid 5926] <... exit_group resumed>) = ? [pid 5078] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5942] +++ exited with 0 +++ [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./35/binderfs") = 0 [pid 5940] mkdir("./file0", 0777 [pid 5929] <... futex resumed>) = ? [pid 5078] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./35/cgroup" [pid 5929] +++ exited with 0 +++ [pid 5926] +++ exited with 0 +++ [pid 5078] <... unlink resumed>) = 0 [pid 5940] <... mkdir resumed>) = 0 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=103, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5078] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./35/cgroup.net", [pid 5940] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5082] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./35/cgroup.net" [pid 5082] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... unlink resumed>) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5078] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5082] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 124.098475][ T5940] loop1: detected capacity change from 0 to 8192 [ 124.130831][ T5943] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5082] unlink("./36/binderfs") = 0 [pid 5082] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./36/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] unlink("./36/cgroup") = 0 [pid 5082] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./36/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./36/cgroup.net") = 0 [pid 5082] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5943] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5939] <... write resumed>) = 4194304 [pid 5943] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = 1 [pid 5927] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... futex resumed>) = 0 [pid 5927] <... futex resumed>) = 1 [pid 5943] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5931] unlink(NULL [pid 5927] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] munmap(0x7f87c00f0000, 4194304 [pid 5931] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5931] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5927] <... futex resumed>) = 0 [ 124.183818][ T5940] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 124.220332][ T5940] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 5939] <... munmap resumed>) = 0 [pid 5931] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5927] close(3 [pid 5080] <... umount2 resumed>) = 0 [pid 5939] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5927] <... close resumed>) = 0 [pid 5080] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5939] <... openat resumed>) = 4 [pid 5927] close(4 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5939] ioctl(4, LOOP_SET_FD, 3 [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./37/file0", [pid 5939] <... ioctl resumed>) = 0 [pid 5927] close(5 [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5927] close(6) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5927] close(7 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5927] close(8 [pid 5080] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... openat resumed>) = 4 [pid 5927] close(9 [pid 5080] fstat(4, [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5927] close(10 [pid 5080] getdents64(4, [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5927] close(11 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(4, [pid 5927] close(12 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(4 [pid 5927] close(13) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = 0 [pid 5927] close(14 [pid 5080] rmdir("./37/file0" [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5927] close(15) = -1 EBADF (Bad file descriptor) [pid 5080] <... rmdir resumed>) = 0 [pid 5927] close(16 [pid 5080] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5927] close(17 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./37/cgroup.cpu", [pid 5927] close(18) = -1 EBADF (Bad file descriptor) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5927] close(19 [pid 5080] unlink("./37/cgroup.cpu" [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = 0 [pid 5927] close(20 [pid 5080] <... unlink resumed>) = 0 [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(3, [pid 5927] close(21) = -1 EBADF (Bad file descriptor) [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [ 124.239878][ T5940] REISERFS (device loop1): using ordered data mode [ 124.249721][ T5940] reiserfs: using flush barriers [ 124.259029][ T5939] loop3: detected capacity change from 0 to 8192 [pid 5939] close(3 [pid 5927] close(22 [pid 5080] close(3 [pid 5078] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5939] <... close resumed>) = 0 [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = 0 [pid 5927] close(23 [pid 5939] mkdir("./file0", 0777 [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] rmdir("./37" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./35/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5078] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(4, [pid 5939] <... mkdir resumed>) = 0 [pid 5927] close(24) = -1 EBADF (Bad file descriptor) [pid 5080] <... rmdir resumed>) = 0 [pid 5939] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] close(4 [pid 5927] close(25 [pid 5080] mkdir("./38", 0777 [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = 0 [pid 5927] close(26 [pid 5078] rmdir("./35/file0" [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... mkdir resumed>) = 0 [pid 5927] close(27) = -1 EBADF (Bad file descriptor) [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5078] <... rmdir resumed>) = 0 [pid 5927] close(28) = -1 EBADF (Bad file descriptor) [pid 5080] <... openat resumed>) = 3 [pid 5078] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5927] close(29 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5927] exit_group(0 [pid 5080] close(3 [pid 5943] <... futex resumed>) = ? [pid 5931] <... futex resumed>) = ? [pid 5927] <... exit_group resumed>) = ? [ 124.299542][ T5940] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5078] lstat("./35/cgroup.cpu", [pid 5943] +++ exited with 0 +++ [pid 5931] +++ exited with 0 +++ [pid 5927] +++ exited with 0 +++ [pid 5082] <... umount2 resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=103, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5078] unlink("./35/cgroup.cpu") = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] close(3) = 0 [pid 5078] rmdir("./35") = 0 [pid 5078] mkdir("./36", 0777 [pid 5083] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] <... mkdir resumed>) = 0 [pid 5083] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5083] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... openat resumed>) = 3 [pid 5083] getdents64(3, [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5083] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] close(3./strace-static-x86_64: Process 5946 attached [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 [pid 5946] set_robust_list(0x5555565af5e0, 24 [pid 5083] lstat("./36/binderfs", [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5947 attached [pid 5946] <... set_robust_list resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5947] set_robust_list(0x5555565af5e0, 24 [pid 5946] chdir("./38" [pid 5083] unlink("./36/binderfs" [pid 5947] <... set_robust_list resumed>) = 0 [pid 5946] <... chdir resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 100 [pid 5947] chdir("./36" [pid 5946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5947] <... chdir resumed>) = 0 [pid 5946] <... prctl resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5946] setpgid(0, 0 [pid 5083] lstat("./36/cgroup", [pid 5947] <... prctl resumed>) = 0 [pid 5946] <... setpgid resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5947] setpgid(0, 0 [pid 5946] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5083] unlink("./36/cgroup" [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 103 [pid 5947] <... setpgid resumed>) = 0 [pid 5946] <... symlink resumed>) = 0 [ 124.345793][ T5939] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 124.367178][ T5939] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 124.367462][ T5940] REISERFS (device loop1): checking transaction log (loop1) [pid 5083] <... unlink resumed>) = 0 [pid 5082] lstat("./36/file0", [pid 5947] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5946] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5083] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5947] <... symlink resumed>) = 0 [pid 5946] <... symlink resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5947] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5946] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5083] lstat("./36/cgroup.net", [pid 5947] <... symlink resumed>) = 0 [pid 5946] <... symlink resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5947] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] unlink("./36/cgroup.net" [pid 5947] <... symlink resumed>) = 0 [pid 5946] <... openat resumed>) = 3 [pid 5083] <... unlink resumed>) = 0 [pid 5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5946] write(3, "1000", 4 [pid 5083] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5947] <... openat resumed>) = 3 [pid 5946] <... write resumed>) = 4 [pid 5947] write(3, "1000", 4 [pid 5946] close(3 [pid 5947] <... write resumed>) = 4 [pid 5946] <... close resumed>) = 0 [pid 5947] close(3 [pid 5946] read(200, [pid 5947] <... close resumed>) = 0 [pid 5946] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5947] read(200, [pid 5946] symlink("/dev/binderfs", "./binderfs" [pid 5947] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5946] <... symlink resumed>) = 0 [pid 5947] symlink("/dev/binderfs", "./binderfs" [pid 5946] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5947] <... symlink resumed>) = 0 [pid 5946] <... futex resumed>) = 0 [pid 5947] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5947] <... futex resumed>) = 0 [pid 5946] <... mmap resumed>) = 0x7f87c84f0000 [pid 5947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5946] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5947] <... mmap resumed>) = 0x7f87c84f0000 [pid 5946] <... mprotect resumed>) = 0 [pid 5947] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5946] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5948 attached [pid 5947] <... mprotect resumed>) = 0 [pid 5948] set_robust_list(0x7f87c85109e0, 24 [pid 5947] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5946] <... clone resumed>, parent_tid=[104], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 104 ./strace-static-x86_64: Process 5949 attached [pid 5948] <... set_robust_list resumed>) = 0 [pid 5946] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] set_robust_list(0x7f87c85109e0, 24 [pid 5948] memfd_create("syzkaller", 0 [pid 5947] <... clone resumed>, parent_tid=[101], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 101 [pid 5946] <... futex resumed>) = 0 [pid 5949] <... set_robust_list resumed>) = 0 [pid 5948] <... memfd_create resumed>) = 3 [pid 5947] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5949] memfd_create("syzkaller", 0 [pid 5948] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5947] <... futex resumed>) = 0 [ 124.392794][ T5939] REISERFS (device loop3): using ordered data mode [ 124.400219][ T5939] reiserfs: using flush barriers [ 124.408663][ T5940] REISERFS (device loop1): Using r5 hash to sort names [ 124.419078][ T5940] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5949] <... memfd_create resumed>) = 3 [pid 5948] <... mmap resumed>) = 0x7f87c00f0000 [pid 5947] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5949] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5940] <... mount resumed>) = 0 [pid 5082] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5940] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5082] <... openat resumed>) = 4 [pid 5940] <... openat resumed>) = 3 [ 124.433945][ T5939] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 124.452062][ T5939] REISERFS (device loop3): checking transaction log (loop3) [ 124.461449][ T5940] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 124.468382][ T5939] REISERFS (device loop3): Using r5 hash to sort names [pid 5082] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5940] chdir("./file0") = 0 [pid 5940] ioctl(4, LOOP_CLR_FD) = 0 [pid 5940] close(4 [pid 5082] getdents64(4, [pid 5940] <... close resumed>) = 0 [pid 5940] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5938] <... futex resumed>) = 0 [pid 5938] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] getdents64(4, [pid 5938] <... futex resumed>) = 0 [pid 5938] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] <... futex resumed>) = 1 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] close(4 [pid 5940] mkdir("./file1", 000) = 0 [pid 5082] <... close resumed>) = 0 [pid 5082] rmdir("./36/file0" [pid 5940] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... rmdir resumed>) = 0 [pid 5938] <... futex resumed>) = 0 [pid 5938] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5940] <... futex resumed>) = 1 [pid 5938] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5948] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5939] <... mount resumed>) = 0 [pid 5082] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5940] mkdir("./bus", 000) = 0 [pid 5940] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5938] <... futex resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./36/cgroup.cpu", [pid 5940] mkdir("./file0", 000 [pid 5938] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5939] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5940] <... mkdir resumed>) = 0 [pid 5938] <... futex resumed>) = 0 [pid 5082] unlink("./36/cgroup.cpu" [pid 5940] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... openat resumed>) = 3 [pid 5938] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... unlink resumed>) = 0 [pid 5940] <... futex resumed>) = 0 [pid 5939] chdir("./file0" [pid 5938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] getdents64(3, [pid 5940] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5939] <... chdir resumed>) = 0 [pid 5938] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5939] ioctl(4, LOOP_CLR_FD [ 124.487437][ T5939] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 124.503863][ T5939] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5082] close(3 [pid 5949] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5939] <... ioctl resumed>) = 0 [pid 5938] <... futex resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5939] close(4 [pid 5082] rmdir("./36") = 0 [pid 5939] <... close resumed>) = 0 [pid 5082] mkdir("./37", 0777 [pid 5939] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5082] <... mkdir resumed>) = 0 [pid 5939] mkdir("./file1", 000 [pid 5937] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5937] <... futex resumed>) = 0 [pid 5937] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] <... mkdir resumed>) = 0 [pid 5939] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... openat resumed>) = 3 [pid 5939] <... futex resumed>) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5937] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] mkdir("./bus", 000 [pid 5937] <... futex resumed>) = 0 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 124.549823][ T5940] overlayfs: upper fs needs to support d_type. [pid 5939] <... mkdir resumed>) = 0 [pid 5938] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5937] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] close(3 [pid 5939] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... close resumed>) = 0 [pid 5948] <... write resumed>) = 4194304 [pid 5939] <... futex resumed>) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5948] munmap(0x7f87c00f0000, 4194304 [pid 5939] mkdir("./file0", 000 [pid 5937] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5950 attached [pid 5939] <... mkdir resumed>) = 0 [pid 5937] <... futex resumed>) = 0 [pid 5948] <... munmap resumed>) = 0 [pid 5939] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] <... futex resumed>) = 0 [pid 5937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5948] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 106 [pid 5950] set_robust_list(0x5555565af5e0, 24 [pid 5939] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5937] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... openat resumed>) = 4 [pid 5937] <... futex resumed>) = 0 [pid 5937] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5950] <... set_robust_list resumed>) = 0 [pid 5948] ioctl(4, LOOP_SET_FD, 3 [pid 5950] chdir("./37") = 0 [pid 5950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5950] setpgid(0, 0) = 0 [ 124.556776][ T5940] overlayfs: upper fs does not support tmpfile. [ 124.634299][ T5939] overlayfs: upper fs needs to support d_type. [ 124.644818][ T5948] loop4: detected capacity change from 0 to 8192 [pid 5950] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 5948] <... ioctl resumed>) = 0 [pid 5083] <... umount2 resumed>) = 0 [pid 5950] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5949] <... write resumed>) = 4194304 [pid 5948] close(3 [pid 5937] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./36/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5083] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5083] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] close(4) = 0 [pid 5083] rmdir("./36/file0") = 0 [pid 5083] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./36/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./36/cgroup.cpu") = 0 [pid 5083] getdents64(3, [pid 5950] <... symlink resumed>) = 0 [pid 5949] munmap(0x7f87c00f0000, 4194304 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5948] <... close resumed>) = 0 [pid 5083] close(3) = 0 [pid 5083] rmdir("./36" [pid 5949] <... munmap resumed>) = 0 [pid 5948] mkdir("./file0", 0777 [pid 5950] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5949] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5937] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... rmdir resumed>) = 0 [pid 5083] mkdir("./37", 0777) = 0 [pid 5948] <... mkdir resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5950] <... symlink resumed>) = 0 [pid 5949] <... openat resumed>) = 4 [pid 5948] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5083] <... openat resumed>) = 3 [pid 5083] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 124.676511][ T5939] overlayfs: upper fs does not support tmpfile. [ 124.684950][ T5940] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 124.690604][ T5939] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5083] close(3 [pid 5950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5949] ioctl(4, LOOP_SET_FD, 3 [pid 5939] <... mount resumed>) = 0 [pid 5937] <... futex resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5952 attached [pid 5952] set_robust_list(0x5555565af5e0, 24 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 106 [pid 5952] <... set_robust_list resumed>) = 0 [pid 5952] chdir("./37") = 0 [pid 5952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5952] setpgid(0, 0) = 0 [pid 5952] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5952] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5952] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5950] <... openat resumed>) = 3 [pid 5949] <... ioctl resumed>) = 0 [pid 5939] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5950] write(3, "1000", 4 [pid 5949] close(3 [pid 5939] <... futex resumed>) = 0 [pid 5937] <... mmap resumed>) = 0x7f87c04cf000 [pid 5952] write(3, "1000", 4 [pid 5950] <... write resumed>) = 4 [pid 5949] <... close resumed>) = 0 [pid 5940] <... mount resumed>) = 0 [pid 5939] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [ 124.721536][ T5948] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 124.742849][ T5949] loop0: detected capacity change from 0 to 8192 [ 124.750588][ T5948] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 124.750763][ T5948] REISERFS (device loop4): using ordered data mode [pid 5937] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5950] close(3 [pid 5949] mkdir("./file0", 0777 [pid 5937] <... mprotect resumed>) = 0 [pid 5952] <... write resumed>) = 4 [pid 5950] <... close resumed>) = 0 [pid 5949] <... mkdir resumed>) = 0 [pid 5940] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = 0 [pid 5937] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5953 attached [pid 5952] close(3 [pid 5950] read(200, [pid 5949] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5953] set_robust_list(0x7f87c04ef9e0, 24 [pid 5950] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5937] <... clone resumed>, parent_tid=[109], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 109 [pid 5953] <... set_robust_list resumed>) = 0 [pid 5950] symlink("/dev/binderfs", "./binderfs" [pid 5937] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] mkdir(".", 0777 [pid 5950] <... symlink resumed>) = 0 [pid 5937] <... futex resumed>) = 0 [pid 5953] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5950] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5953] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5950] <... futex resumed>) = 0 [pid 5950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5950] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5950] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[107], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 107 [pid 5950] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 124.773411][ T5948] reiserfs: using flush barriers [ 124.783898][ T5948] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 124.807979][ T5949] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5950] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5955 attached [pid 5952] <... close resumed>) = 0 [pid 5940] <... futex resumed>) = 0 [pid 5938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5955] set_robust_list(0x7f87c85109e0, 24 [pid 5952] read(200, [pid 5955] <... set_robust_list resumed>) = 0 [pid 5952] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5955] memfd_create("syzkaller", 0 [pid 5952] symlink("/dev/binderfs", "./binderfs" [pid 5955] <... memfd_create resumed>) = 3 [pid 5952] <... symlink resumed>) = 0 [pid 5940] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] <... mmap resumed>) = 0x7f87c04cf000 [pid 5955] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5952] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... mmap resumed>) = 0x7f87c00f0000 [pid 5952] <... futex resumed>) = 0 [pid 5952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5952] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5952] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5956 attached [pid 5956] set_robust_list(0x7f87c85109e0, 24 [pid 5952] <... clone resumed>, parent_tid=[107], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 107 [pid 5956] <... set_robust_list resumed>) = 0 [pid 5952] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] memfd_create("syzkaller", 0 [pid 5952] <... futex resumed>) = 0 [pid 5956] <... memfd_create resumed>) = 3 [pid 5952] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5956] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5938] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5938] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5957 attached , parent_tid=[106], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 106 [pid 5957] set_robust_list(0x7f87c04ef9e0, 24 [pid 5938] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... set_robust_list resumed>) = 0 [pid 5938] <... futex resumed>) = 0 [pid 5938] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5957] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5957] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5953] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5953] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5937] <... futex resumed>) = 0 [pid 5953] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... futex resumed>) = 0 [pid 5937] <... futex resumed>) = 1 [pid 5939] unlink(NULL [pid 5937] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5939] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5937] <... futex resumed>) = 0 [ 124.826369][ T5953] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 124.847061][ T5949] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 124.848107][ T5948] REISERFS (device loop4): checking transaction log (loop4) [ 124.868229][ T5949] REISERFS (device loop0): using ordered data mode [pid 5939] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] close(3) = 0 [pid 5937] close(4) = -1 EBADF (Bad file descriptor) [pid 5937] close(5) = -1 EBADF (Bad file descriptor) [pid 5937] close(6) = -1 EBADF (Bad file descriptor) [pid 5937] close(7) = -1 EBADF (Bad file descriptor) [pid 5955] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5937] close(8) = -1 EBADF (Bad file descriptor) [pid 5937] close(9) = -1 EBADF (Bad file descriptor) [pid 5937] close(10) = -1 EBADF (Bad file descriptor) [pid 5937] close(11) = -1 EBADF (Bad file descriptor) [pid 5937] close(12) = -1 EBADF (Bad file descriptor) [pid 5937] close(13) = -1 EBADF (Bad file descriptor) [pid 5937] close(14) = -1 EBADF (Bad file descriptor) [pid 5937] close(15 [pid 5956] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5937] close(16) = -1 EBADF (Bad file descriptor) [pid 5937] close(17) = -1 EBADF (Bad file descriptor) [pid 5937] close(18) = -1 EBADF (Bad file descriptor) [pid 5937] close(19) = -1 EBADF (Bad file descriptor) [pid 5937] close(20) = -1 EBADF (Bad file descriptor) [pid 5937] close(21) = -1 EBADF (Bad file descriptor) [pid 5937] close(22) = -1 EBADF (Bad file descriptor) [pid 5937] close(23) = -1 EBADF (Bad file descriptor) [pid 5937] close(24) = -1 EBADF (Bad file descriptor) [pid 5937] close(25) = -1 EBADF (Bad file descriptor) [pid 5937] close(26) = -1 EBADF (Bad file descriptor) [pid 5937] close(27) = -1 EBADF (Bad file descriptor) [pid 5937] close(28) = -1 EBADF (Bad file descriptor) [pid 5937] close(29) = -1 EBADF (Bad file descriptor) [pid 5937] exit_group(0 [pid 5953] <... futex resumed>) = ? [pid 5939] <... futex resumed>) = ? [pid 5937] <... exit_group resumed>) = ? [pid 5953] +++ exited with 0 +++ [pid 5939] +++ exited with 0 +++ [pid 5937] +++ exited with 0 +++ [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=107, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5081] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5081] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] unlink("./37/binderfs") = 0 [pid 5081] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./37/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [ 124.875749][ T5949] reiserfs: using flush barriers [ 124.880331][ T5957] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 124.902438][ T5949] 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 5081] unlink("./37/cgroup") = 0 [pid 5081] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./37/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./37/cgroup.net") = 0 [pid 5081] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5957] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5955] <... write resumed>) = 4194304 [pid 5957] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = 0 [pid 5957] <... futex resumed>) = 1 [pid 5938] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] <... futex resumed>) = 1 [pid 5940] <... futex resumed>) = 0 [pid 5938] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] unlink(NULL) = -1 EFAULT (Bad address) [pid 5955] munmap(0x7f87c00f0000, 4194304 [pid 5940] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = 0 [pid 5940] <... futex resumed>) = 1 [pid 5938] close(3) = 0 [pid 5940] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] close(4) = -1 EBADF (Bad file descriptor) [ 124.934318][ T5948] REISERFS (device loop4): Using r5 hash to sort names [ 124.969313][ T5949] REISERFS (device loop0): checking transaction log (loop0) [pid 5955] <... munmap resumed>) = 0 [pid 5938] close(5 [pid 5955] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5955] <... openat resumed>) = 4 [pid 5938] close(6) = -1 EBADF (Bad file descriptor) [pid 5938] close(7 [pid 5955] ioctl(4, LOOP_SET_FD, 3 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] close(8) = -1 EBADF (Bad file descriptor) [pid 5938] close(9) = -1 EBADF (Bad file descriptor) [pid 5955] <... ioctl resumed>) = 0 [pid 5938] close(10) = -1 EBADF (Bad file descriptor) [pid 5955] close(3 [pid 5938] close(11 [pid 5955] <... close resumed>) = 0 [pid 5956] <... write resumed>) = 4194304 [pid 5948] <... mount resumed>) = 0 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5955] mkdir("./file0", 0777 [pid 5938] close(12 [pid 5955] <... mkdir resumed>) = 0 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5938] close(13 [pid 5955] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 124.987986][ T5948] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 125.003218][ T5948] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 125.017498][ T5955] loop5: detected capacity change from 0 to 8192 [pid 5938] close(14 [pid 5956] munmap(0x7f87c00f0000, 4194304 [pid 5948] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = 0 [pid 5956] <... munmap resumed>) = 0 [pid 5081] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5938] close(15 [pid 5956] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5948] <... openat resumed>) = 3 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5948] chdir("./file0" [pid 5938] close(16 [pid 5948] <... chdir resumed>) = 0 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5948] ioctl(4, LOOP_CLR_FD [pid 5938] close(17 [pid 5948] <... ioctl resumed>) = 0 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5948] close(4 [pid 5938] close(18 [pid 5956] <... openat resumed>) = 4 [pid 5948] <... close resumed>) = 0 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./37/file0", [ 125.043711][ T5949] REISERFS (device loop0): Using r5 hash to sort names [ 125.053854][ T5949] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 125.054074][ T5955] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 125.077451][ T5949] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5956] ioctl(4, LOOP_SET_FD, 3 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5949] <... mount resumed>) = 0 [pid 5948] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] close(19 [pid 5081] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5081] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5949] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5948] <... futex resumed>) = 1 [pid 5946] <... futex resumed>) = 0 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5081] close(4) = 0 [pid 5081] rmdir("./37/file0") = 0 [pid 5081] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./37/cgroup.cpu", [pid 5949] <... openat resumed>) = 3 [pid 5948] mkdir("./file1", 000 [pid 5946] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] close(20 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./37/cgroup.cpu") = 0 [pid 5946] <... futex resumed>) = 0 [pid 5081] getdents64(3, [pid 5948] <... mkdir resumed>) = 0 [pid 5949] chdir("./file0" [pid 5948] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5949] <... chdir resumed>) = 0 [pid 5948] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5938] close(21 [pid 5081] close(3) = 0 [pid 5081] rmdir("./37") = 0 [pid 5081] mkdir("./38", 0777) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5081] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5081] close(3) = 0 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5959 attached [pid 5959] set_robust_list(0x5555565af5e0, 24 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 110 [pid 5959] <... set_robust_list resumed>) = 0 [pid 5959] chdir("./38") = 0 [pid 5959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5956] <... ioctl resumed>) = 0 [pid 5959] setpgid(0, 0) = 0 [pid 5956] close(3 [pid 5959] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5956] <... close resumed>) = 0 [pid 5959] <... symlink resumed>) = 0 [pid 5956] mkdir("./file0", 0777 [pid 5946] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] mkdir("./bus", 000 [pid 5959] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5956] <... mkdir resumed>) = 0 [pid 5949] ioctl(4, LOOP_CLR_FD [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] <... symlink resumed>) = 0 [ 125.087186][ T5956] loop2: detected capacity change from 0 to 8192 [ 125.093852][ T5955] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 125.108990][ T5955] REISERFS (device loop5): using ordered data mode [ 125.116407][ T5955] reiserfs: using flush barriers [ 125.124897][ T5955] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5956] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5949] <... ioctl resumed>) = 0 [pid 5948] <... mkdir resumed>) = 0 [pid 5946] <... futex resumed>) = 0 [pid 5938] close(22 [pid 5959] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5959] write(3, "1000", 4) = 4 [pid 5959] close(3 [pid 5946] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5948] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] <... close resumed>) = 0 [pid 5949] close(4 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5959] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5949] <... close resumed>) = 0 [pid 5948] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5938] close(23 [pid 5959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5949] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] mkdir("./file0", 000 [pid 5946] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5949] <... futex resumed>) = 1 [pid 5948] <... mkdir resumed>) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = 0 [pid 5938] close(24 [pid 5959] <... mprotect resumed>) = 0 [pid 5959] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[111], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 111 [pid 5959] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 125.158485][ T5955] REISERFS (device loop5): checking transaction log (loop5) [ 125.168446][ T5955] REISERFS (device loop5): Using r5 hash to sort names [ 125.176077][ T5956] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 125.194421][ T5955] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5959] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5961 attached [pid 5949] mkdir("./file1", 000 [pid 5948] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] set_robust_list(0x7f87c85109e0, 24 [pid 5947] <... futex resumed>) = 0 [pid 5961] <... set_robust_list resumed>) = 0 [pid 5949] <... mkdir resumed>) = 0 [pid 5948] <... futex resumed>) = 0 [pid 5947] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5938] close(25 [pid 5961] memfd_create("syzkaller", 0 [pid 5949] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5946] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] <... memfd_create resumed>) = 3 [pid 5946] <... futex resumed>) = 0 [pid 5946] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5961] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5949] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5938] close(26 [pid 5961] <... mmap resumed>) = 0x7f87c00f0000 [pid 5949] mkdir("./bus", 000 [pid 5947] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... futex resumed>) = 0 [pid 5949] <... mkdir resumed>) = 0 [pid 5947] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] close(27 [pid 5947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5949] <... futex resumed>) = 0 [pid 5947] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5949] mkdir("./file0", 000 [pid 5947] <... futex resumed>) = 0 [pid 5938] close(28 [pid 5947] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] <... mkdir resumed>) = 0 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 125.201754][ T5956] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 125.222005][ T5956] REISERFS (device loop2): using ordered data mode [ 125.223092][ T5948] overlayfs: upper fs needs to support d_type. [ 125.229909][ T5956] reiserfs: using flush barriers [pid 5938] close(29 [pid 5949] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5949] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5938] exit_group(0 [pid 5947] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5957] <... futex resumed>) = ? [pid 5947] <... futex resumed>) = 0 [pid 5938] <... exit_group resumed>) = ? [pid 5947] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] <... futex resumed>) = ? [pid 5940] +++ exited with 0 +++ [pid 5955] <... mount resumed>) = 0 [pid 5955] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5957] +++ exited with 0 +++ [pid 5938] +++ exited with 0 +++ [pid 5955] <... openat resumed>) = 3 [pid 5955] chdir("./file0") = 0 [pid 5955] ioctl(4, LOOP_CLR_FD) = 0 [pid 5955] close(4) = 0 [pid 5955] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] <... futex resumed>) = 0 [pid 5950] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5950] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... futex resumed>) = 1 [pid 5955] mkdir("./file1", 000) = 0 [pid 5955] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] <... futex resumed>) = 0 [pid 5950] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5950] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... futex resumed>) = 1 [pid 5955] mkdir("./bus", 000) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=104, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5955] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] <... futex resumed>) = 0 [pid 5950] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5950] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5079] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5955] <... futex resumed>) = 1 [pid 5955] mkdir("./file0", 000) = 0 [pid 5955] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] <... futex resumed>) = 0 [pid 5950] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5950] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... futex resumed>) = 1 [pid 5955] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5079] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./37/binderfs") = 0 [pid 5079] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./37/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [ 125.246947][ T5956] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 125.247719][ T5955] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 125.282663][ T5949] overlayfs: upper fs needs to support d_type. [ 125.301719][ T5948] overlayfs: upper fs does not support tmpfile. [pid 5079] unlink("./37/cgroup" [pid 5947] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5079] <... unlink resumed>) = 0 [pid 5079] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5946] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5946] <... futex resumed>) = 0 [pid 5079] lstat("./37/cgroup.net", [pid 5946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5946] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5946] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[105], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 105 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5946] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5946] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] unlink("./37/cgroup.net") = 0 ./strace-static-x86_64: Process 5962 attached [pid 5962] set_robust_list(0x7f87c04ef9e0, 24 [pid 5079] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5947] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5962] <... set_robust_list resumed>) = 0 [ 125.315955][ T5955] overlayfs: upper fs needs to support d_type. [ 125.323796][ T5955] overlayfs: upper fs does not support tmpfile. [ 125.331487][ T5949] overlayfs: upper fs does not support tmpfile. [ 125.348386][ T5948] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5962] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5950] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5950] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5950] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5947] <... mmap resumed>) = 0x7f87c04cf000 [pid 5947] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5947] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5963 attached [pid 5950] <... mprotect resumed>) = 0 [pid 5963] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 5963] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5948] <... mount resumed>) = 0 [pid 5950] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[108], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 108 [pid 5950] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... clone resumed>, parent_tid=[102], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 102 [pid 5947] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5947] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5963] <... futex resumed>) = 0 [pid 5963] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5963] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5948] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5948] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] <... futex resumed>) = 0 [pid 5949] <... mount resumed>) = 0 [ 125.369284][ T5956] REISERFS (device loop2): checking transaction log (loop2) [ 125.379521][ T5949] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 125.408787][ T5955] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5961] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5949] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5949] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5964 attached [pid 5964] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 5964] mkdir(".", 0777) = -1 EEXIST (File exists) [ 125.423262][ T5956] REISERFS (device loop2): Using r5 hash to sort names [ 125.432965][ T5962] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5964] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5962] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5962] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5946] <... futex resumed>) = 0 [pid 5946] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... futex resumed>) = 0 [pid 5946] <... futex resumed>) = 1 [pid 5948] unlink(NULL [pid 5946] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5948] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5948] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5946] <... futex resumed>) = 0 [pid 5946] close(3 [pid 5948] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5946] <... close resumed>) = 0 [pid 5946] close(4) = -1 EBADF (Bad file descriptor) [pid 5946] close(5) = -1 EBADF (Bad file descriptor) [pid 5946] close(6) = -1 EBADF (Bad file descriptor) [pid 5946] close(7) = -1 EBADF (Bad file descriptor) [pid 5962] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5946] close(8) = -1 EBADF (Bad file descriptor) [pid 5946] close(9) = -1 EBADF (Bad file descriptor) [pid 5946] close(10) = -1 EBADF (Bad file descriptor) [pid 5946] close(11) = -1 EBADF (Bad file descriptor) [pid 5946] close(12) = -1 EBADF (Bad file descriptor) [pid 5946] close(13) = -1 EBADF (Bad file descriptor) [pid 5946] close(14) = -1 EBADF (Bad file descriptor) [pid 5946] close(15) = -1 EBADF (Bad file descriptor) [pid 5946] close(16) = -1 EBADF (Bad file descriptor) [pid 5946] close(17) = -1 EBADF (Bad file descriptor) [pid 5946] close(18) = -1 EBADF (Bad file descriptor) [pid 5946] close(19) = -1 EBADF (Bad file descriptor) [pid 5946] close(20) = -1 EBADF (Bad file descriptor) [pid 5946] close(21) = -1 EBADF (Bad file descriptor) [pid 5946] close(22) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = 0 [pid 5964] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5963] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5955] <... mount resumed>) = 0 [pid 5946] close(23 [pid 5079] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5963] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 125.459359][ T5963] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 125.467745][ T5956] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 125.483017][ T5964] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5963] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5946] close(24 [pid 5963] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = 0 [pid 5964] <... futex resumed>) = 1 [pid 5955] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] <... futex resumed>) = 0 [pid 5964] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5950] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] unlink(NULL [pid 5950] <... futex resumed>) = 0 [pid 5947] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./37/file0", [pid 5955] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5950] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = 1 [pid 5946] close(25 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5955] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] unlink(NULL [pid 5947] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5955] <... futex resumed>) = 1 [pid 5950] <... futex resumed>) = 0 [pid 5949] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5946] close(26 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5955] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5950] close(3 [pid 5949] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5950] <... close resumed>) = 0 [pid 5949] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5946] close(27 [pid 5961] <... write resumed>) = 4194304 [pid 5956] <... mount resumed>) = 0 [pid 5950] close(4 [pid 5949] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] close(3 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 4 [pid 5950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = 0 [pid 5946] close(28 [pid 5079] fstat(4, [pid 5950] close(5 [pid 5947] close(4 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5961] munmap(0x7f87c00f0000, 4194304 [pid 5956] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] close(29 [pid 5079] getdents64(4, [pid 5950] close(6 [pid 5947] close(5 [pid 5946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5946] exit_group(0 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5962] <... futex resumed>) = ? [pid 5956] <... openat resumed>) = 3 [pid 5950] close(7 [pid 5948] <... futex resumed>) = ? [pid 5947] close(6 [pid 5946] <... exit_group resumed>) = ? [pid 5079] getdents64(4, [pid 5962] +++ exited with 0 +++ [pid 5961] <... munmap resumed>) = 0 [pid 5950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5948] +++ exited with 0 +++ [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5950] close(8) = -1 EBADF (Bad file descriptor) [pid 5950] close(9) = -1 EBADF (Bad file descriptor) [pid 5961] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5956] chdir("./file0" [pid 5950] close(10 [pid 5947] close(7 [pid 5946] +++ exited with 0 +++ [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5956] <... chdir resumed>) = 0 [pid 5950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(4 [pid 5956] ioctl(4, LOOP_CLR_FD [pid 5950] close(11 [pid 5947] close(8 [pid 5079] <... close resumed>) = 0 [pid 5961] <... openat resumed>) = 4 [pid 5956] <... ioctl resumed>) = 0 [pid 5950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 125.546501][ T5956] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=103, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5079] rmdir("./37/file0" [pid 5961] ioctl(4, LOOP_SET_FD, 3 [pid 5956] close(4 [pid 5950] close(12 [pid 5947] close(9 [pid 5080] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... rmdir resumed>) = 0 [pid 5950] close(13 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5950] close(14) = -1 EBADF (Bad file descriptor) [pid 5950] close(15) = -1 EBADF (Bad file descriptor) [pid 5950] close(16) = -1 EBADF (Bad file descriptor) [pid 5950] close(17) = -1 EBADF (Bad file descriptor) [pid 5950] close(18) = -1 EBADF (Bad file descriptor) [pid 5950] close(19) = -1 EBADF (Bad file descriptor) [pid 5950] close(20) = -1 EBADF (Bad file descriptor) [pid 5950] close(21) = -1 EBADF (Bad file descriptor) [pid 5950] close(22) = -1 EBADF (Bad file descriptor) [pid 5950] close(23) = -1 EBADF (Bad file descriptor) [pid 5950] close(24) = -1 EBADF (Bad file descriptor) [pid 5950] close(25) = -1 EBADF (Bad file descriptor) [pid 5950] close(26) = -1 EBADF (Bad file descriptor) [pid 5950] close(27) = -1 EBADF (Bad file descriptor) [pid 5947] close(10 [pid 5080] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5956] <... close resumed>) = 0 [pid 5950] close(28) = -1 EBADF (Bad file descriptor) [pid 5950] close(29) = -1 EBADF (Bad file descriptor) [pid 5950] exit_group(0 [pid 5964] <... futex resumed>) = ? [pid 5955] <... futex resumed>) = ? [pid 5950] <... exit_group resumed>) = ? [pid 5964] +++ exited with 0 +++ [pid 5955] +++ exited with 0 +++ [pid 5950] +++ exited with 0 +++ [pid 5961] <... ioctl resumed>) = 0 [pid 5956] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5080] <... openat resumed>) = 3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5961] close(3 [pid 5956] <... futex resumed>) = 1 [pid 5952] <... futex resumed>) = 0 [pid 5947] close(11 [pid 5080] fstat(3, [pid 5079] lstat("./37/cgroup.cpu", [pid 5961] <... close resumed>) = 0 [pid 5956] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5961] mkdir("./file0", 0777 [pid 5956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] <... futex resumed>) = 0 [pid 5947] close(12) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(3, [pid 5079] unlink("./37/cgroup.cpu" [pid 5956] mkdir("./file1", 000 [pid 5952] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] close(13 [pid 5082] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5961] <... mkdir resumed>) = 0 [pid 5956] <... mkdir resumed>) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... unlink resumed>) = 0 [pid 5961] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5956] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] close(14 [pid 5082] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] getdents64(3, [pid 5956] <... futex resumed>) = 1 [pid 5952] <... futex resumed>) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 3 [pid 5080] lstat("./38/binderfs", [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5956] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [ 125.587830][ T5961] loop3: detected capacity change from 0 to 8192 [ 125.614717][ T5961] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 125.629174][ T5961] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 5947] close(15 [pid 5082] fstat(3, [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] close(3 [pid 5956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] <... futex resumed>) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] unlink("./38/binderfs" [pid 5079] <... close resumed>) = 0 [pid 5952] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] mkdir("./bus", 000 [pid 5947] close(16 [pid 5082] getdents64(3, [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... unlink resumed>) = 0 [pid 5079] rmdir("./37" [pid 5956] <... mkdir resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] <... rmdir resumed>) = 0 [pid 5947] close(17 [pid 5082] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5956] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] mkdir("./38", 0777 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5947] close(18 [pid 5956] <... futex resumed>) = 1 [pid 5952] <... futex resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5956] mkdir("./file0", 000 [pid 5952] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./37/binderfs", [pid 5080] lstat("./38/cgroup", [pid 5079] <... mkdir resumed>) = 0 [pid 5956] <... mkdir resumed>) = 0 [pid 5952] <... futex resumed>) = 0 [pid 5947] close(19 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5956] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./37/binderfs" [pid 5080] unlink("./38/cgroup" [pid 5956] <... futex resumed>) = 0 [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5947] close(20 [pid 5082] <... unlink resumed>) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5956] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] <... futex resumed>) = 0 [pid 5947] close(21 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 125.639844][ T5961] REISERFS (device loop3): using ordered data mode [ 125.650744][ T5961] reiserfs: using flush barriers [ 125.662178][ T5961] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 125.678088][ T5956] overlayfs: upper fs needs to support d_type. [pid 5956] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5952] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./37/cgroup", [pid 5080] lstat("./38/cgroup.net", [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5079] close(3 [pid 5947] close(22 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... close resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565af5d0) = 107 ./strace-static-x86_64: Process 5966 attached [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] set_robust_list(0x5555565af5e0, 24 [pid 5947] close(23 [pid 5080] unlink("./38/cgroup.net" [pid 5966] <... set_robust_list resumed>) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./37/cgroup" [pid 5966] chdir("./38" [pid 5947] close(24 [pid 5080] <... unlink resumed>) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 5966] <... chdir resumed>) = 0 [pid 5947] close(25 [pid 5082] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5966] <... prctl resumed>) = 0 [pid 5947] close(26 [pid 5082] lstat("./37/cgroup.net", [pid 5956] <... mount resumed>) = 0 [pid 5956] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5956] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5952] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5956] <... futex resumed>) = 0 [pid 5956] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5956] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5966] setpgid(0, 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5947] close(27 [pid 5966] <... setpgid resumed>) = 0 [pid 5082] unlink("./37/cgroup.net" [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 5947] close(28 [pid 5966] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5947] close(29 [pid 5966] <... symlink resumed>) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] exit_group(0 [pid 5966] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5963] <... futex resumed>) = ? [pid 5949] <... futex resumed>) = ? [pid 5947] <... exit_group resumed>) = ? [pid 5966] <... symlink resumed>) = 0 [pid 5949] +++ exited with 0 +++ [ 125.680261][ T5961] REISERFS (device loop3): checking transaction log (loop3) [ 125.685864][ T5956] overlayfs: upper fs does not support tmpfile. [ 125.702643][ T5961] REISERFS (device loop3): Using r5 hash to sort names [ 125.717199][ T5956] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 125.723233][ T5961] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5966] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5963] +++ exited with 0 +++ [pid 5947] +++ exited with 0 +++ [pid 5966] <... symlink resumed>) = 0 [pid 5966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5966] <... openat resumed>) = 3 [pid 5961] <... mount resumed>) = 0 [pid 5966] write(3, "1000", 4) = 4 [pid 5078] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5966] close(3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5966] <... close resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5966] read(200, [pid 5078] <... openat resumed>) = 3 [pid 5966] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5966] symlink("/dev/binderfs", "./binderfs" [pid 5078] fstat(3, [pid 5966] <... symlink resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5966] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... openat resumed>) = 3 [pid 5966] <... futex resumed>) = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5961] chdir("./file0" [pid 5078] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5966] <... mmap resumed>) = 0x7f87c84f0000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5966] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5078] lstat("./36/binderfs", [pid 5966] <... mprotect resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5966] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5078] unlink("./36/binderfs"./strace-static-x86_64: Process 5967 attached [pid 5967] set_robust_list(0x7f87c85109e0, 24 [pid 5966] <... clone resumed>, parent_tid=[108], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 108 [pid 5961] <... chdir resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5967] <... set_robust_list resumed>) = 0 [pid 5966] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] ioctl(4, LOOP_CLR_FD [pid 5078] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5966] <... futex resumed>) = 0 [pid 5961] <... ioctl resumed>) = 0 [pid 5967] memfd_create("syzkaller", 0 [pid 5966] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5961] close(4 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 125.748762][ T5961] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5967] <... memfd_create resumed>) = 3 [pid 5961] <... close resumed>) = 0 [pid 5078] lstat("./36/cgroup", [pid 5967] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5961] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5967] <... mmap resumed>) = 0x7f87c00f0000 [pid 5961] <... futex resumed>) = 1 [pid 5959] <... futex resumed>) = 0 [pid 5956] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5961] mkdir("./file1", 000 [pid 5959] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] <... mkdir resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5961] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5961] <... futex resumed>) = 0 [pid 5959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... futex resumed>) = 1 [pid 5952] <... futex resumed>) = 0 [ 125.792864][ T5956] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5078] unlink("./36/cgroup" [pid 5961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 0 [pid 5956] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] mkdir("./bus", 000 [pid 5959] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] <... futex resumed>) = 0 [pid 5080] <... umount2 resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5961] <... mkdir resumed>) = 0 [pid 5956] unlink(NULL [pid 5952] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5961] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5961] <... futex resumed>) = 1 [pid 5959] <... futex resumed>) = 0 [pid 5956] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] lstat("./38/file0", [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5961] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... futex resumed>) = 1 [pid 5952] <... futex resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] lstat("./36/cgroup.net", [pid 5961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 0 [pid 5956] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] close(3 [pid 5080] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5961] mkdir("./file0", 000 [pid 5959] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5952] <... close resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5961] <... mkdir resumed>) = 0 [pid 5952] close(4 [pid 5080] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] unlink("./36/cgroup.net" [pid 5961] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... openat resumed>) = 4 [pid 5961] <... futex resumed>) = 1 [pid 5959] <... futex resumed>) = 0 [pid 5952] close(5 [pid 5080] fstat(4, [pid 5078] <... unlink resumed>) = 0 [pid 5961] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... futex resumed>) = 0 [pid 5952] close(6 [pid 5080] getdents64(4, [pid 5961] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5959] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5967] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5082] <... umount2 resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5952] close(7 [pid 5082] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] getdents64(4, [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5952] close(8 [pid 5082] lstat("./37/file0", [pid 5080] close(4 [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... close resumed>) = 0 [pid 5952] close(9 [pid 5082] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] rmdir("./38/file0" [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... rmdir resumed>) = 0 [pid 5082] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5952] close(10 [pid 5082] <... openat resumed>) = 4 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] fstat(4, [pid 5080] lstat("./38/cgroup.cpu", [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(4, [pid 5080] unlink("./38/cgroup.cpu" [ 125.898544][ T5961] overlayfs: upper fs needs to support d_type. [ 125.905277][ T5961] overlayfs: upper fs does not support tmpfile. [pid 5952] close(11 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] <... unlink resumed>) = 0 [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(4, [pid 5080] getdents64(3, [pid 5952] close(12 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(4 [pid 5080] close(3 [pid 5952] close(13 [pid 5082] <... close resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] rmdir("./37/file0" [pid 5080] rmdir("./38" [pid 5952] close(14 [pid 5082] <... rmdir resumed>) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 5082] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] mkdir("./39", 0777 [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... mkdir resumed>) = 0 [pid 5952] close(15 [pid 5082] lstat("./37/cgroup.cpu", [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] <... openat resumed>) = 3 [pid 5952] close(16 [pid 5082] unlink("./37/cgroup.cpu" [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5952] close(17 [pid 5082] getdents64(3, [pid 5080] close(3 [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] <... close resumed>) = 0 [pid 5082] close(3 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5968 attached [pid 5082] <... close resumed>) = 0 [pid 5968] set_robust_list(0x5555565af5e0, 24 [pid 5082] rmdir("./37" [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 106 [pid 5968] <... set_robust_list resumed>) = 0 [pid 5959] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5952] close(18 [pid 5082] <... rmdir resumed>) = 0 [pid 5968] chdir("./39" [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] mkdir("./38", 0777 [pid 5968] <... chdir resumed>) = 0 [pid 5959] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] close(19 [pid 5082] <... mkdir resumed>) = 0 [pid 5968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5968] <... prctl resumed>) = 0 [pid 5952] close(20 [pid 5082] <... openat resumed>) = 3 [pid 5968] setpgid(0, 0 [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5968] <... setpgid resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5952] close(21 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5968] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(3 [pid 5968] <... symlink resumed>) = 0 [pid 5959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5952] close(22 [pid 5082] <... close resumed>) = 0 [pid 5968] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 125.945951][ T5961] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5969 attached [pid 5968] <... symlink resumed>) = 0 [pid 5961] <... mount resumed>) = 0 [pid 5959] <... mmap resumed>) = 0x7f87c04cf000 [pid 5952] close(23 [pid 5078] <... umount2 resumed>) = 0 [pid 5969] set_robust_list(0x5555565af5e0, 24 [pid 5968] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 109 [pid 5969] <... set_robust_list resumed>) = 0 [pid 5968] <... symlink resumed>) = 0 [pid 5961] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5952] close(24 [pid 5969] chdir("./38" [pid 5968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] <... mprotect resumed>) = 0 [pid 5969] <... chdir resumed>) = 0 [pid 5968] <... openat resumed>) = 3 [pid 5961] <... futex resumed>) = 0 [pid 5078] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5968] write(3, "1000", 4 [pid 5961] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5952] close(25 [pid 5969] <... prctl resumed>) = 0 [pid 5968] <... write resumed>) = 4 ./strace-static-x86_64: Process 5970 attached [pid 5969] setpgid(0, 0 [pid 5968] close(3 [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5970] set_robust_list(0x7f87c04ef9e0, 24 [pid 5969] <... setpgid resumed>) = 0 [pid 5968] <... close resumed>) = 0 [pid 5959] <... clone resumed>, parent_tid=[112], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 112 [pid 5952] close(26 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5970] <... set_robust_list resumed>) = 0 [pid 5969] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5968] read(200, [pid 5959] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] <... symlink resumed>) = 0 [pid 5968] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] close(27 [pid 5078] lstat("./36/file0", [pid 5970] mkdir(".", 0777 [pid 5969] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5968] symlink("/dev/binderfs", "./binderfs" [pid 5959] <... futex resumed>) = 0 [pid 5970] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5969] <... symlink resumed>) = 0 [pid 5968] <... symlink resumed>) = 0 [pid 5959] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5970] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5969] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5968] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] close(28 [pid 5078] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5969] <... symlink resumed>) = 0 [pid 5968] <... futex resumed>) = 0 [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5952] close(29 [pid 5078] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5969] <... openat resumed>) = 3 [pid 5968] <... mmap resumed>) = 0x7f87c84f0000 [pid 5952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] write(3, "1000", 4 [pid 5968] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5952] exit_group(0 [pid 5078] <... openat resumed>) = 4 [pid 5969] <... write resumed>) = 4 [pid 5968] <... mprotect resumed>) = 0 [pid 5967] <... write resumed>) = 4194304 [pid 5956] <... futex resumed>) = ? [pid 5952] <... exit_group resumed>) = ? [pid 5078] fstat(4, [pid 5969] close(3 [pid 5968] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5967] munmap(0x7f87c00f0000, 4194304 [pid 5956] +++ exited with 0 +++ [pid 5952] +++ exited with 0 +++ [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5969] <... close resumed>) = 0 [pid 5967] <... munmap resumed>) = 0 [pid 5078] getdents64(4, [pid 5969] read(200, [pid 5967] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5969] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5967] <... openat resumed>) = 4 [pid 5078] getdents64(4, [pid 5969] symlink("/dev/binderfs", "./binderfs" [pid 5967] ioctl(4, LOOP_SET_FD, 3 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5971 attached [pid 5970] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5969] <... symlink resumed>) = 0 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5078] close(4 [pid 5971] set_robust_list(0x7f87c85109e0, 24 [pid 5970] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... clone resumed>, parent_tid=[107], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 107 [pid 5971] <... set_robust_list resumed>) = 0 [pid 5970] <... futex resumed>) = 1 [pid 5968] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] memfd_create("syzkaller", 0 [pid 5970] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] <... futex resumed>) = 0 [pid 5083] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5971] <... memfd_create resumed>) = 3 [pid 5968] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5971] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5083] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5971] <... mmap resumed>) = 0x7f87c00f0000 [pid 5083] <... openat resumed>) = 3 [pid 5969] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] <... ioctl resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5083] fstat(3, [pid 5078] <... close resumed>) = 0 [pid 5969] <... futex resumed>) = 0 [pid 5967] close(3 [pid 5959] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] rmdir("./36/file0" [pid 5969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5967] <... close resumed>) = 0 [pid 5961] <... futex resumed>) = 0 [pid 5959] <... futex resumed>) = 1 [pid 5083] getdents64(3, [pid 5078] <... rmdir resumed>) = 0 [pid 5969] <... mmap resumed>) = 0x7f87c84f0000 [pid 5967] mkdir("./file0", 0777 [pid 5961] unlink(NULL [pid 5959] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5969] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5967] <... mkdir resumed>) = 0 [pid 5961] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5083] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5969] <... mprotect resumed>) = 0 [pid 5967] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5961] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./36/cgroup.cpu", [pid 5969] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5961] <... futex resumed>) = 1 [pid 5959] <... futex resumed>) = 0 [pid 5083] lstat("./37/binderfs", [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 5973 attached [ 126.051868][ T5970] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 126.062599][ T5967] loop1: detected capacity change from 0 to 8192 [pid 5961] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] close(3 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./36/cgroup.cpu" [pid 5973] set_robust_list(0x7f87c85109e0, 24 [pid 5971] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5969] <... clone resumed>, parent_tid=[110], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 110 [pid 5083] unlink("./37/binderfs") = 0 [pid 5083] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./37/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./37/cgroup") = 0 [pid 5969] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... unlink resumed>) = 0 [pid 5973] <... set_robust_list resumed>) = 0 [pid 5959] <... close resumed>) = 0 [pid 5083] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5969] <... futex resumed>) = 0 [pid 5083] lstat("./37/cgroup.net", [pid 5078] getdents64(3, [pid 5973] memfd_create("syzkaller", 0 [pid 5969] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5959] close(4 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./37/cgroup.net") = 0 [pid 5083] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5973] <... memfd_create resumed>) = 3 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5973] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5959] close(5 [pid 5078] close(3 [pid 5973] <... mmap resumed>) = 0x7f87c00f0000 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = 0 [pid 5959] close(6) = -1 EBADF (Bad file descriptor) [pid 5959] close(7 [pid 5078] rmdir("./36" [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... rmdir resumed>) = 0 [pid 5959] close(8 [pid 5078] mkdir("./37", 0777 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] close(9 [pid 5078] <... mkdir resumed>) = 0 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5959] close(10) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 3 [pid 5959] close(11) = -1 EBADF (Bad file descriptor) [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5959] close(12 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] close(13 [pid 5078] close(3 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 126.106119][ T5967] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 126.123746][ T5967] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 126.134807][ T5967] REISERFS (device loop1): using ordered data mode [pid 5971] <... write resumed>) = 4194304 [pid 5959] close(14 [pid 5078] <... close resumed>) = 0 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5974 attached [pid 5971] munmap(0x7f87c00f0000, 4194304 [pid 5959] close(15 [pid 5971] <... munmap resumed>) = 0 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5974] set_robust_list(0x5555565af5e0, 24 [pid 5971] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5959] close(16 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 103 [pid 5959] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] close(17) = -1 EBADF (Bad file descriptor) [pid 5959] close(18) = -1 EBADF (Bad file descriptor) [pid 5959] close(19) = -1 EBADF (Bad file descriptor) [pid 5959] close(20) = -1 EBADF (Bad file descriptor) [pid 5959] close(21) = -1 EBADF (Bad file descriptor) [pid 5959] close(22) = -1 EBADF (Bad file descriptor) [pid 5959] close(23) = -1 EBADF (Bad file descriptor) [pid 5959] close(24) = -1 EBADF (Bad file descriptor) [pid 5959] close(25) = -1 EBADF (Bad file descriptor) [pid 5959] close(26) = -1 EBADF (Bad file descriptor) [pid 5959] close(27) = -1 EBADF (Bad file descriptor) [pid 5959] close(28) = -1 EBADF (Bad file descriptor) [pid 5959] close(29) = -1 EBADF (Bad file descriptor) [pid 5959] exit_group(0 [pid 5970] <... futex resumed>) = ? [pid 5961] <... futex resumed>) = ? [pid 5959] <... exit_group resumed>) = ? [pid 5974] <... set_robust_list resumed>) = 0 [pid 5971] <... openat resumed>) = 4 [pid 5970] +++ exited with 0 +++ [pid 5961] +++ exited with 0 +++ [pid 5959] +++ exited with 0 +++ [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5081] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5081] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5974] chdir("./37" [pid 5081] lstat("./38/binderfs", [pid 5971] ioctl(4, LOOP_SET_FD, 3 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] unlink("./38/binderfs") = 0 [pid 5081] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./38/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] unlink("./38/cgroup") = 0 [pid 5081] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./38/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5974] <... chdir resumed>) = 0 [pid 5081] unlink("./38/cgroup.net" [pid 5974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5971] <... ioctl resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5081] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5974] <... prctl resumed>) = 0 [pid 5974] setpgid(0, 0 [pid 5971] close(3 [pid 5974] <... setpgid resumed>) = 0 [pid 5971] <... close resumed>) = 0 [pid 5974] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5971] mkdir("./file0", 0777 [pid 5974] <... symlink resumed>) = 0 [pid 5974] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5971] <... mkdir resumed>) = 0 [ 126.176590][ T5967] reiserfs: using flush barriers [ 126.188748][ T5967] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 126.207361][ T5967] REISERFS (device loop1): checking transaction log (loop1) [ 126.217988][ T5971] loop4: detected capacity change from 0 to 8192 [pid 5974] <... symlink resumed>) = 0 [pid 5971] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5974] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 126.244177][ T5967] REISERFS (device loop1): Using r5 hash to sort names [ 126.257409][ T5967] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5974] write(3, "1000", 4 [pid 5973] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5083] <... umount2 resumed>) = 0 [pid 5974] <... write resumed>) = 4 [pid 5083] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5974] close(3 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5974] <... close resumed>) = 0 [pid 5083] lstat("./37/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5974] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5974] symlink("/dev/binderfs", "./binderfs" [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5974] <... symlink resumed>) = 0 [pid 5083] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5974] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] fstat(4, [pid 5974] <... futex resumed>) = 0 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 126.282787][ T5971] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 126.297025][ T5971] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 126.306532][ T5971] REISERFS (device loop4): using ordered data mode [ 126.323834][ T5967] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5973] <... write resumed>) = 4194304 [pid 5083] getdents64(4, [pid 5974] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5974] <... mprotect resumed>) = 0 [pid 5083] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5974] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] close(4) = 0 ./strace-static-x86_64: Process 5976 attached [pid 5083] rmdir("./37/file0" [pid 5976] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 5976] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] <... clone resumed>, parent_tid=[104], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 104 [pid 5083] <... rmdir resumed>) = 0 [pid 5974] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5976] <... futex resumed>) = 0 [pid 5974] <... futex resumed>) = 1 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5973] munmap(0x7f87c00f0000, 4194304 [pid 5976] memfd_create("syzkaller", 0) = 3 [pid 5976] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5083] lstat("./37/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5974] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] unlink("./37/cgroup.cpu" [pid 5973] <... munmap resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5973] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5083] getdents64(3, [pid 5973] <... openat resumed>) = 4 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5973] ioctl(4, LOOP_SET_FD, 3 [pid 5083] close(3 [pid 5967] <... mount resumed>) = 0 [pid 5967] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5967] chdir("./file0") = 0 [pid 5967] ioctl(4, LOOP_CLR_FD) = 0 [pid 5967] close(4 [pid 5973] <... ioctl resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5083] rmdir("./37") = 0 [pid 5083] mkdir("./38", 0777) = 0 [pid 5967] <... close resumed>) = 0 [pid 5967] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... futex resumed>) = 0 [pid 5966] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5966] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] <... futex resumed>) = 1 [pid 5967] mkdir("./file1", 000 [pid 5081] <... umount2 resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5973] close(3 [pid 5083] <... openat resumed>) = 3 [pid 5083] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5083] close(3) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5967] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5977 attached [pid 5973] <... close resumed>) = 0 [ 126.341582][ T5971] reiserfs: using flush barriers [ 126.355658][ T5971] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 126.377359][ T5971] REISERFS (device loop4): checking transaction log (loop4) [ 126.386308][ T5973] loop5: detected capacity change from 0 to 8192 [pid 5977] set_robust_list(0x5555565af5e0, 24 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 108 [pid 5977] <... set_robust_list resumed>) = 0 [pid 5977] chdir("./38") = 0 [pid 5977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5977] setpgid(0, 0) = 0 [pid 5977] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5977] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5977] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5977] write(3, "1000", 4) = 4 [pid 5977] close(3) = 0 [pid 5977] read(200, [pid 5967] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5967] <... futex resumed>) = 1 [pid 5966] <... futex resumed>) = 0 [pid 5977] symlink("/dev/binderfs", "./binderfs" [pid 5967] mkdir("./bus", 000 [pid 5966] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] <... symlink resumed>) = 0 [pid 5973] mkdir("./file0", 0777 [pid 5967] <... mkdir resumed>) = 0 [pid 5966] <... futex resumed>) = 0 [pid 5081] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5977] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5967] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5967] <... futex resumed>) = 0 [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] <... mmap resumed>) = 0x7f87c84f0000 [pid 5967] mkdir("./file0", 000 [pid 5966] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5973] <... mkdir resumed>) = 0 [pid 5967] <... mkdir resumed>) = 0 [pid 5966] <... futex resumed>) = 0 [pid 5977] <... mprotect resumed>) = 0 [pid 5967] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5977] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5967] <... futex resumed>) = 0 [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5978 attached [pid 5967] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5966] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] set_robust_list(0x7f87c85109e0, 24 [pid 5977] <... clone resumed>, parent_tid=[109], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 109 [pid 5973] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5971] <... mount resumed>) = 0 [pid 5966] <... futex resumed>) = 0 [pid 5081] lstat("./38/file0", [pid 5978] <... set_robust_list resumed>) = 0 [pid 5977] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5976] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5978] memfd_create("syzkaller", 0 [pid 5977] <... futex resumed>) = 0 [pid 5978] <... memfd_create resumed>) = 3 [pid 5977] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5978] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5971] <... openat resumed>) = 3 [pid 5081] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5971] chdir("./file0" [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5971] <... chdir resumed>) = 0 [pid 5971] ioctl(4, LOOP_CLR_FD [pid 5081] <... openat resumed>) = 4 [ 126.407663][ T5971] REISERFS (device loop4): Using r5 hash to sort names [ 126.415987][ T5971] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 126.431290][ T5971] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 126.445915][ T5967] overlayfs: upper fs needs to support d_type. [pid 5966] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] <... ioctl resumed>) = 0 [pid 5081] fstat(4, [pid 5971] close(4 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5971] <... close resumed>) = 0 [pid 5081] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5971] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] getdents64(4, [pid 5968] <... futex resumed>) = 0 [pid 5971] <... futex resumed>) = 1 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5968] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] close(4 [pid 5971] mkdir("./file1", 000 [pid 5968] <... futex resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5081] rmdir("./38/file0" [pid 5968] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] <... mkdir resumed>) = 0 [pid 5081] <... rmdir resumed>) = 0 [pid 5971] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5968] <... futex resumed>) = 0 [pid 5971] <... futex resumed>) = 1 [pid 5968] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] lstat("./38/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5971] mkdir("./bus", 000 [pid 5968] <... futex resumed>) = 0 [pid 5081] unlink("./38/cgroup.cpu" [pid 5968] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] <... mkdir resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5971] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] getdents64(3, [pid 5968] <... futex resumed>) = 0 [pid 5971] <... futex resumed>) = 1 [pid 5968] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5971] mkdir("./file0", 000 [pid 5968] <... futex resumed>) = 0 [pid 5081] close(3 [pid 5968] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] <... mkdir resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5971] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] rmdir("./38") = 0 [pid 5968] <... futex resumed>) = 0 [pid 5971] <... futex resumed>) = 1 [pid 5081] mkdir("./39", 0777 [pid 5968] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5966] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 126.480239][ T5967] overlayfs: upper fs does not support tmpfile. [ 126.481069][ T5973] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 126.496420][ T5967] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5971] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5968] <... futex resumed>) = 0 [pid 5968] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] <... mmap resumed>) = 0x7f87c04cf000 [pid 5081] <... mkdir resumed>) = 0 [pid 5967] <... mount resumed>) = 0 [pid 5966] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5967] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... mprotect resumed>) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5978] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5967] <... futex resumed>) = 0 [pid 5966] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5980 attached [pid 5967] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5980] set_robust_list(0x7f87c04ef9e0, 24 [pid 5966] <... clone resumed>, parent_tid=[109], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 109 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5980] <... set_robust_list resumed>) = 0 [pid 5966] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] mkdir(".", 0777 [pid 5966] <... futex resumed>) = 0 [pid 5081] close(3 [pid 5980] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5966] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] <... close resumed>) = 0 [pid 5980] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5981 attached [pid 5981] set_robust_list(0x5555565af5e0, 24 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 113 [pid 5981] <... set_robust_list resumed>) = 0 [pid 5981] chdir("./39") = 0 [ 126.542710][ T5973] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 126.544512][ T5971] overlayfs: upper fs needs to support d_type. [ 126.564816][ T5973] REISERFS (device loop5): using ordered data mode [ 126.573992][ T5973] reiserfs: using flush barriers [ 126.580750][ T5971] overlayfs: upper fs does not support tmpfile. [pid 5981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5976] <... write resumed>) = 4194304 [pid 5971] <... mount resumed>) = 0 [pid 5981] setpgid(0, 0) = 0 [pid 5976] munmap(0x7f87c00f0000, 4194304 [ 126.587905][ T5971] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 126.595126][ T5980] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 126.612200][ T5973] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5971] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5980] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5976] <... munmap resumed>) = 0 [pid 5971] <... futex resumed>) = 1 [pid 5968] <... futex resumed>) = 0 [pid 5968] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] mkdir(".", 0777 [pid 5980] <... futex resumed>) = 1 [pid 5976] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5968] <... futex resumed>) = 0 [pid 5980] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5971] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5976] <... openat resumed>) = 4 [pid 5971] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5968] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5976] ioctl(4, LOOP_SET_FD, 3 [pid 5981] <... symlink resumed>) = 0 [pid 5976] <... ioctl resumed>) = 0 [pid 5981] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5976] close(3 [pid 5981] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5981] write(3, "1000", 4) = 4 [pid 5981] close(3) = 0 [pid 5981] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5981] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5981] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5976] <... close resumed>) = 0 [pid 5981] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5976] mkdir("./file0", 0777./strace-static-x86_64: Process 5982 attached [pid 5982] set_robust_list(0x7f87c85109e0, 24 [pid 5981] <... clone resumed>, parent_tid=[114], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 114 [pid 5976] <... mkdir resumed>) = 0 [pid 5982] <... set_robust_list resumed>) = 0 [pid 5981] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [ 126.637185][ T5973] REISERFS (device loop5): checking transaction log (loop5) [ 126.651223][ T5976] loop0: detected capacity change from 0 to 8192 [ 126.652190][ T5973] REISERFS (device loop5): Using r5 hash to sort names [ 126.670522][ T5971] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5976] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5982] memfd_create("syzkaller", 0 [pid 5981] <... futex resumed>) = 0 [pid 5978] <... write resumed>) = 4194304 [pid 5971] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5966] <... futex resumed>) = 0 [pid 5982] <... memfd_create resumed>) = 3 [pid 5981] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5982] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5978] munmap(0x7f87c00f0000, 4194304 [pid 5966] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] <... munmap resumed>) = 0 [pid 5966] <... futex resumed>) = 1 [pid 5978] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5971] <... futex resumed>) = 1 [pid 5968] <... futex resumed>) = 0 [pid 5966] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5978] <... openat resumed>) = 4 [ 126.694693][ T5973] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 126.711812][ T5973] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 126.718473][ T5976] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5973] <... mount resumed>) = 0 [pid 5971] unlink(NULL [pid 5968] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] <... futex resumed>) = 0 [pid 5978] ioctl(4, LOOP_SET_FD, 3 [pid 5973] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5971] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5968] <... futex resumed>) = 0 [pid 5967] unlink(NULL [pid 5973] <... openat resumed>) = 3 [pid 5971] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5973] chdir("./file0" [pid 5971] <... futex resumed>) = 0 [pid 5968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5967] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... chdir resumed>) = 0 [pid 5971] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5968] close(3 [pid 5967] <... futex resumed>) = 1 [pid 5966] <... futex resumed>) = 0 [pid 5973] ioctl(4, LOOP_CLR_FD [pid 5968] <... close resumed>) = 0 [pid 5967] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5966] close(3 [pid 5973] <... ioctl resumed>) = 0 [pid 5968] close(4 [pid 5966] <... close resumed>) = 0 [pid 5973] close(4 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(4 [pid 5973] <... close resumed>) = 0 [pid 5968] close(5 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(5 [pid 5973] <... futex resumed>) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5968] close(6 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(6 [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] <... futex resumed>) = 0 [pid 5968] close(7 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] mkdir("./file1", 000 [pid 5969] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(7 [pid 5973] <... mkdir resumed>) = 0 [pid 5968] close(8 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(8 [pid 5978] <... ioctl resumed>) = 0 [pid 5973] <... futex resumed>) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5968] close(9 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5978] close(3 [pid 5973] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(9 [pid 5978] <... close resumed>) = 0 [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] <... futex resumed>) = 0 [pid 5968] close(10 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5978] mkdir("./file0", 0777 [pid 5973] mkdir("./bus", 000 [pid 5969] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(10 [pid 5978] <... mkdir resumed>) = 0 [pid 5973] <... mkdir resumed>) = 0 [pid 5968] close(11 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5978] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 126.741498][ T5976] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 126.748197][ T5978] loop2: detected capacity change from 0 to 8192 [ 126.752655][ T5976] REISERFS (device loop0): using ordered data mode [ 126.766118][ T5976] reiserfs: using flush barriers [ 126.774345][ T5976] 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 5973] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(11 [pid 5973] <... futex resumed>) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5968] close(12 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(12 [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] <... futex resumed>) = 0 [pid 5968] close(13 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] mkdir("./file0", 000 [pid 5969] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(13 [pid 5973] <... mkdir resumed>) = 0 [pid 5968] close(14 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(14 [pid 5973] <... futex resumed>) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5968] close(15 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(15 [pid 5973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] <... futex resumed>) = 0 [pid 5968] close(16 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5969] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(16 [pid 5968] close(17 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(17 [pid 5968] close(18 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(18 [pid 5968] close(19 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(19 [pid 5968] close(20 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(20 [pid 5968] close(21 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(21 [pid 5968] close(22 [ 126.793938][ T5976] REISERFS (device loop0): checking transaction log (loop0) [ 126.804784][ T5978] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 126.805891][ T5976] REISERFS (device loop0): Using r5 hash to sort names [ 126.831212][ T5973] overlayfs: upper fs needs to support d_type. [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(22 [pid 5968] close(23 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(23 [pid 5968] close(24 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(24 [pid 5968] close(25 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(25 [pid 5968] close(26 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(26 [pid 5968] close(27 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(27 [pid 5968] close(28 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(28 [pid 5968] close(29 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5968] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5966] close(29 [pid 5968] exit_group(0 [pid 5966] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5971] <... futex resumed>) = ? [pid 5968] <... exit_group resumed>) = ? [pid 5966] exit_group(0 [pid 5980] <... futex resumed>) = ? [pid 5971] +++ exited with 0 +++ [pid 5968] +++ exited with 0 +++ [pid 5967] <... futex resumed>) = ? [pid 5966] <... exit_group resumed>) = ? [pid 5980] +++ exited with 0 +++ [pid 5967] +++ exited with 0 +++ [pid 5966] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=107, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5079] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5079] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5080] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] fstat(3, [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] getdents64(3, [pid 5080] <... openat resumed>) = 3 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5976] <... mount resumed>) = 0 [pid 5080] fstat(3, [pid 5079] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5976] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] getdents64(3, [pid 5079] lstat("./38/binderfs", [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 126.831420][ T5976] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 126.849691][ T5973] overlayfs: upper fs does not support tmpfile. [ 126.854673][ T5976] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 126.877699][ T5978] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5079] unlink("./38/binderfs" [pid 5976] <... openat resumed>) = 3 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... unlink resumed>) = 0 [pid 5080] lstat("./39/binderfs", [pid 5079] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] unlink("./39/binderfs" [pid 5079] lstat("./38/cgroup", [pid 5080] <... unlink resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5976] chdir("./file0" [pid 5969] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5080] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] unlink("./38/cgroup" [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... unlink resumed>) = 0 [pid 5080] lstat("./39/cgroup", [pid 5079] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] unlink("./39/cgroup" [pid 5079] lstat("./38/cgroup.net", [pid 5080] <... unlink resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] unlink("./38/cgroup.net" [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... unlink resumed>) = 0 [pid 5080] lstat("./39/cgroup.net", [pid 5079] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./39/cgroup.net") = 0 [pid 5080] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5982] <... write resumed>) = 4194304 [pid 5969] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5969] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5969] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5976] <... chdir resumed>) = 0 [pid 5982] munmap(0x7f87c00f0000, 4194304 [ 126.889663][ T5978] REISERFS (device loop2): using ordered data mode [ 126.896998][ T5978] reiserfs: using flush barriers [ 126.900605][ T5973] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 126.905114][ T5978] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 126.930206][ T5978] REISERFS (device loop2): checking transaction log (loop2) [pid 5976] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 5985 attached [pid 5982] <... munmap resumed>) = 0 [pid 5976] <... ioctl resumed>) = 0 [pid 5973] <... mount resumed>) = 0 [pid 5982] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5976] close(4 [pid 5982] <... openat resumed>) = 4 [pid 5976] <... close resumed>) = 0 [pid 5982] ioctl(4, LOOP_SET_FD, 3 [pid 5976] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5974] <... futex resumed>) = 0 [pid 5976] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5974] <... futex resumed>) = 0 [pid 5976] mkdir("./file1", 000 [pid 5974] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] <... mkdir resumed>) = 0 [pid 5976] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5974] <... futex resumed>) = 0 [pid 5976] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] set_robust_list(0x7f87c04ef9e0, 24 [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5974] <... futex resumed>) = 0 [pid 5969] <... clone resumed>, parent_tid=[111], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 111 [pid 5976] mkdir("./bus", 000 [pid 5974] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] <... mkdir resumed>) = 0 [pid 5976] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5974] <... futex resumed>) = 0 [pid 5976] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5974] <... futex resumed>) = 0 [pid 5973] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] mkdir("./file0", 000 [pid 5974] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5973] <... futex resumed>) = 0 [pid 5985] <... set_robust_list resumed>) = 0 [pid 5976] <... mkdir resumed>) = 0 [pid 5973] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] mkdir(".", 0777 [pid 5982] <... ioctl resumed>) = 0 [pid 5976] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... futex resumed>) = 0 [pid 5985] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5982] close(3 [pid 5976] <... futex resumed>) = 1 [pid 5974] <... futex resumed>) = 0 [pid 5985] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5982] <... close resumed>) = 0 [pid 5976] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5982] mkdir("./file0", 0777 [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 126.941058][ T5978] REISERFS (device loop2): Using r5 hash to sort names [ 126.951797][ T5982] loop3: detected capacity change from 0 to 8192 [pid 5974] <... futex resumed>) = 0 [pid 5982] <... mkdir resumed>) = 0 [pid 5976] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5974] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 126.987749][ T5976] overlayfs: upper fs needs to support d_type. [ 126.994183][ T5976] overlayfs: upper fs does not support tmpfile. [ 127.005120][ T5982] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 127.008920][ T5976] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5982] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5976] <... mount resumed>) = 0 [pid 5976] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5976] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] <... futex resumed>) = 0 [ 127.037227][ T5978] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 127.053349][ T5982] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 127.064127][ T5985] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5974] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... futex resumed>) = 0 [pid 5974] <... futex resumed>) = 1 [pid 5079] <... umount2 resumed>) = 0 [pid 5976] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5976] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5974] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./38/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 127.098746][ T5982] REISERFS (device loop3): using ordered data mode [ 127.105329][ T5982] reiserfs: using flush barriers [ 127.111862][ T5978] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 127.129344][ T5976] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5080] <... umount2 resumed>) = 0 [pid 5079] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] close(4) = 0 [pid 5079] rmdir("./38/file0") = 0 [pid 5079] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./38/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./38/cgroup.cpu") = 0 [pid 5079] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] close(3) = 0 [pid 5079] rmdir("./38") = 0 [pid 5079] mkdir("./39", 0777) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5079] close(3 [pid 5985] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5985] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5985] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5969] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... close resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5978] <... mount resumed>) = 0 [pid 5973] <... futex resumed>) = 0 [pid 5080] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5978] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./39/file0", [pid 5978] <... openat resumed>) = 3 [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5978] chdir("./file0" [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 110 [pid 5080] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5978] <... chdir resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5978] ioctl(4, LOOP_CLR_FD [pid 5973] unlink(NULL./strace-static-x86_64: Process 5987 attached [pid 5978] <... ioctl resumed>) = 0 [pid 5976] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... openat resumed>) = 4 [pid 5987] set_robust_list(0x5555565af5e0, 24) = 0 [pid 5987] chdir("./39") = 0 [pid 5987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5987] setpgid(0, 0) = 0 [pid 5987] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5987] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5987] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5973] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5973] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] close(4 [pid 5080] fstat(4, [pid 5987] <... openat resumed>) = 3 [ 127.134729][ T5982] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 127.176719][ T5982] REISERFS (device loop3): checking transaction log (loop3) [ 127.185549][ T5982] REISERFS (device loop3): Using r5 hash to sort names [pid 5987] write(3, "1000", 4 [pid 5978] <... close resumed>) = 0 [pid 5973] <... futex resumed>) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5969] close(3) = 0 [pid 5969] close(4) = -1 EBADF (Bad file descriptor) [pid 5969] close(5) = -1 EBADF (Bad file descriptor) [pid 5969] close(6 [pid 5987] <... write resumed>) = 4 [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] close(3 [pid 5969] close(7 [pid 5987] <... close resumed>) = 0 [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] read(200, [pid 5969] close(8 [pid 5987] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5978] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] symlink("/dev/binderfs", "./binderfs" [pid 5969] close(9 [pid 5987] <... symlink resumed>) = 0 [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] close(10 [pid 5080] getdents64(4, [pid 5987] <... futex resumed>) = 0 [pid 5976] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5978] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5987] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5976] <... futex resumed>) = 1 [pid 5969] close(11 [pid 5987] <... mmap resumed>) = 0x7f87c84f0000 [pid 5976] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] <... futex resumed>) = 0 [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5978] mkdir("./file1", 000 [pid 5977] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5974] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] close(12 [pid 5080] getdents64(4, [pid 5987] <... mprotect resumed>) = 0 [pid 5976] unlink(NULL [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5976] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5969] close(13./strace-static-x86_64: Process 5988 attached [pid 5976] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] set_robust_list(0x7f87c85109e0, 24 [pid 5987] <... clone resumed>, parent_tid=[111], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 111 [pid 5976] <... futex resumed>) = 0 [pid 5969] close(14 [pid 5988] <... set_robust_list resumed>) = 0 [pid 5987] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] memfd_create("syzkaller", 0 [pid 5987] <... futex resumed>) = 0 [pid 5969] close(15 [pid 5988] <... memfd_create resumed>) = 3 [pid 5987] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5988] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5969] close(16 [pid 5988] <... mmap resumed>) = 0x7f87c00f0000 [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5982] <... mount resumed>) = 0 [pid 5978] <... mkdir resumed>) = 0 [pid 5977] <... futex resumed>) = 0 [pid 5976] <... futex resumed>) = 0 [pid 5974] <... futex resumed>) = 1 [pid 5969] close(17 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5982] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5978] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(4 [pid 5982] <... openat resumed>) = 3 [pid 5978] <... futex resumed>) = 0 [pid 5977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] close(18 [pid 5080] <... close resumed>) = 0 [pid 5982] chdir("./file0" [pid 5978] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] close(3 [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] rmdir("./39/file0" [pid 5982] <... chdir resumed>) = 0 [pid 5978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] <... futex resumed>) = 0 [pid 5974] <... close resumed>) = 0 [pid 5969] close(19 [pid 5080] <... rmdir resumed>) = 0 [pid 5982] ioctl(4, LOOP_CLR_FD [pid 5978] mkdir("./bus", 000 [pid 5977] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] close(4 [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5982] <... ioctl resumed>) = 0 [pid 5978] <... mkdir resumed>) = 0 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] close(20 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5982] close(4 [pid 5978] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] close(5 [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./39/cgroup.cpu", [pid 5982] <... close resumed>) = 0 [pid 5978] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5982] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] close(6 [pid 5080] unlink("./39/cgroup.cpu" [pid 5982] <... futex resumed>) = 1 [pid 5981] <... futex resumed>) = 0 [pid 5978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] <... futex resumed>) = 0 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... unlink resumed>) = 0 [pid 5982] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] mkdir("./file0", 000 [pid 5977] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] close(7 [pid 5080] getdents64(3, [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] <... futex resumed>) = 0 [pid 5978] <... mkdir resumed>) = 0 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5982] mkdir("./file1", 000 [pid 5981] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] close(8 [ 127.195708][ T5982] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 127.215527][ T5982] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5969] close(21 [pid 5080] close(3 [pid 5982] <... mkdir resumed>) = 0 [pid 5978] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = 0 [pid 5982] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] close(9 [pid 5969] close(22 [pid 5080] rmdir("./39" [pid 5982] <... futex resumed>) = 1 [pid 5981] <... futex resumed>) = 0 [pid 5978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] <... futex resumed>) = 0 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... rmdir resumed>) = 0 [pid 5988] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5982] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5977] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] close(10 [pid 5969] close(23 [pid 5080] mkdir("./40", 0777 [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] <... futex resumed>) = 0 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... mkdir resumed>) = 0 [pid 5982] mkdir("./bus", 000 [pid 5981] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] close(11 [pid 5969] close(24 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5982] <... mkdir resumed>) = 0 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... openat resumed>) = 3 [pid 5982] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] close(12 [pid 5969] close(25 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5982] <... futex resumed>) = 1 [pid 5981] <... futex resumed>) = 0 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5982] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] close(13 [pid 5969] close(26 [pid 5080] close(3 [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] <... futex resumed>) = 0 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = 0 [pid 5982] mkdir("./file0", 000 [pid 5981] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] close(14 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5989 attached [pid 5982] <... mkdir resumed>) = 0 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] close(27 [pid 5989] set_robust_list(0x5555565af5e0, 24 [pid 5982] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] close(15 [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 108 [pid 5989] <... set_robust_list resumed>) = 0 [pid 5982] <... futex resumed>) = 1 [pid 5981] <... futex resumed>) = 0 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] close(28 [pid 5989] chdir("./40" [pid 5982] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] close(16 [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... chdir resumed>) = 0 [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5981] <... futex resumed>) = 0 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] close(29 [pid 5989] prctl(PR_SET_PDEATHSIG, SIGKILL [ 127.291744][ T5978] overlayfs: upper fs needs to support d_type. [ 127.309120][ T5978] overlayfs: upper fs does not support tmpfile. [pid 5982] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5981] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] close(17 [pid 5989] <... prctl resumed>) = 0 [pid 5988] <... write resumed>) = 4194304 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5974] close(18) = -1 EBADF (Bad file descriptor) [pid 5989] setpgid(0, 0 [pid 5974] close(19 [pid 5969] exit_group(0 [pid 5989] <... setpgid resumed>) = 0 [pid 5985] <... futex resumed>) = ? [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] <... futex resumed>) = ? [pid 5969] <... exit_group resumed>) = ? [pid 5989] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5985] +++ exited with 0 +++ [pid 5974] close(20 [pid 5973] +++ exited with 0 +++ [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] +++ exited with 0 +++ [pid 5989] <... symlink resumed>) = 0 [pid 5974] close(21 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=109, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5989] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... symlink resumed>) = 0 [pid 5974] close(22 [pid 5989] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5988] munmap(0x7f87c00f0000, 4194304 [pid 5978] <... mount resumed>) = 0 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5974] close(23) = -1 EBADF (Bad file descriptor) [pid 5974] close(24) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5974] close(25 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5974] close(26 [pid 5082] <... openat resumed>) = 3 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] fstat(3, [pid 5974] close(27 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(3, [pid 5974] close(28 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5974] close(29 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./38/binderfs", [pid 5981] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5974] exit_group(0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5981] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... futex resumed>) = ? [pid 5974] <... exit_group resumed>) = ? [pid 5082] unlink("./38/binderfs" [pid 5989] <... symlink resumed>) = 0 [pid 5988] <... munmap resumed>) = 0 [pid 5981] <... futex resumed>) = 0 [pid 5978] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] +++ exited with 0 +++ [pid 5082] <... unlink resumed>) = 0 [pid 5989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5988] openat(AT_FDCWD, "/dev/loop1", O_RDWR [ 127.342250][ T5978] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 127.356983][ T5982] overlayfs: upper fs needs to support d_type. [ 127.377532][ T5982] overlayfs: upper fs does not support tmpfile. [pid 5981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5978] <... futex resumed>) = 1 [pid 5974] +++ exited with 0 +++ [pid 5082] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5981] <... mmap resumed>) = 0x7f87c04cf000 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5981] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5082] lstat("./38/cgroup", [pid 5981] <... mprotect resumed>) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5981] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] unlink("./38/cgroup"./strace-static-x86_64: Process 5990 attached ) = 0 [pid 5990] set_robust_list(0x7f87c04ef9e0, 24 [pid 5981] <... clone resumed>, parent_tid=[115], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 115 [pid 5082] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5990] <... set_robust_list resumed>) = 0 [pid 5981] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5989] <... openat resumed>) = 3 [pid 5990] mkdir(".", 0777 [pid 5989] write(3, "1000", 4 [pid 5988] <... openat resumed>) = 4 [pid 5981] <... futex resumed>) = 0 [pid 5978] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] lstat("./38/cgroup.net", [pid 5990] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5989] <... write resumed>) = 4 [pid 5988] ioctl(4, LOOP_SET_FD, 3 [pid 5981] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5977] <... futex resumed>) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=103, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=23 /* 0.23 s */} --- [pid 5990] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5989] close(3 [pid 5977] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] unlink("./38/cgroup.net" [pid 5977] <... futex resumed>) = 1 [pid 5082] <... unlink resumed>) = 0 [pid 5977] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5982] <... mount resumed>) = 0 [pid 5982] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5978] <... futex resumed>) = 0 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5989] <... close resumed>) = 0 [pid 5982] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5978] mkdir(".", 0777 [pid 5078] <... restart_syscall resumed>) = 0 [pid 5989] read(200, [pid 5978] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5989] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5978] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5989] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5989] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5989] <... futex resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5078] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5989] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5078] <... openat resumed>) = 3 [pid 5989] <... mprotect resumed>) = 0 [pid 5078] fstat(3, [pid 5989] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5991 attached [pid 5078] getdents64(3, [pid 5991] set_robust_list(0x7f87c85109e0, 24 [pid 5989] <... clone resumed>, parent_tid=[109], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 109 [pid 5991] <... set_robust_list resumed>) = 0 [pid 5989] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5991] memfd_create("syzkaller", 0 [pid 5989] <... futex resumed>) = 0 [pid 5991] <... memfd_create resumed>) = 3 [pid 5989] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 127.397580][ T5982] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 127.412738][ T5988] loop1: detected capacity change from 0 to 8192 [ 127.427760][ T5990] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5991] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5990] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5990] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... futex resumed>) = 0 [pid 5981] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] lstat("./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./37/binderfs" [pid 5981] <... futex resumed>) = 1 [pid 5078] <... unlink resumed>) = 0 [pid 5982] <... futex resumed>) = 0 [pid 5078] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./37/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5988] <... ioctl resumed>) = 0 [pid 5078] unlink("./37/cgroup" [pid 5982] unlink(NULL [pid 5988] close(3 [pid 5078] <... unlink resumed>) = 0 [pid 5988] <... close resumed>) = 0 [pid 5078] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5988] mkdir("./file0", 0777 [pid 5078] lstat("./37/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./37/cgroup.net") = 0 [pid 5078] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5990] <... futex resumed>) = 1 [pid 5982] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5981] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5982] <... futex resumed>) = 0 [pid 5981] close(3 [pid 5982] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] <... close resumed>) = 0 [pid 5981] close(4 [pid 5978] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5978] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5988] <... mkdir resumed>) = 0 [pid 5978] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] <... futex resumed>) = 0 [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5978] unlink(NULL [pid 5977] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5981] close(5 [pid 5978] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5978] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] close(6 [pid 5978] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5978] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] close(3 [pid 5981] close(7 [pid 5977] <... close resumed>) = 0 [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 127.457083][ T5978] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5977] close(4 [pid 5981] close(8 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(5 [pid 5981] close(9 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(6 [pid 5981] close(10 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(7 [pid 5981] close(11 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(8 [pid 5981] close(12 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(9 [pid 5981] close(13 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(10 [pid 5981] close(14 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(11 [pid 5981] close(15 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(12 [pid 5981] close(16 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(13 [pid 5981] close(17 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(14 [pid 5981] close(18 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(15 [pid 5981] close(19 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(16 [pid 5981] close(20 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(17 [pid 5981] close(21 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(18 [pid 5981] close(22 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(19 [pid 5981] close(23 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(20 [pid 5981] close(24 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(21 [pid 5981] close(25 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 127.508282][ T5988] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 127.521815][ T5988] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 127.532362][ T5988] REISERFS (device loop1): using ordered data mode [pid 5977] close(22 [pid 5981] close(26 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(23 [pid 5981] close(27 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(24 [pid 5981] close(28 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(25 [pid 5981] close(29 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(26 [pid 5981] exit_group(0 [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5990] <... futex resumed>) = ? [pid 5982] <... futex resumed>) = ? [pid 5981] <... exit_group resumed>) = ? [pid 5977] close(27 [pid 5990] +++ exited with 0 +++ [pid 5982] +++ exited with 0 +++ [pid 5981] +++ exited with 0 +++ [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(28 [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=113, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] close(29) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5977] exit_group(0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5978] <... futex resumed>) = ? [pid 5977] <... exit_group resumed>) = ? [ 127.582427][ T5988] reiserfs: using flush barriers [pid 5081] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5978] +++ exited with 0 +++ [pid 5977] +++ exited with 0 +++ [pid 5081] <... openat resumed>) = 3 [pid 5081] fstat(3, [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] getdents64(3, [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... openat resumed>) = 3 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] fstat(3, [pid 5081] lstat("./39/binderfs", [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] getdents64(3, [pid 5081] unlink("./39/binderfs" [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5082] <... umount2 resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5083] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./38/binderfs", [pid 5081] lstat("./39/cgroup", [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./38/binderfs" [pid 5082] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] unlink("./39/cgroup" [pid 5083] <... unlink resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... unlink resumed>) = 0 [pid 5083] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] lstat("./38/file0", [pid 5081] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./38/cgroup", [pid 5082] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] lstat("./39/cgroup.net", [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./38/cgroup" [pid 5082] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] unlink("./39/cgroup.net" [pid 5083] <... unlink resumed>) = 0 [pid 5082] <... openat resumed>) = 4 [pid 5081] <... unlink resumed>) = 0 [pid 5083] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] fstat(4, [pid 5081] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] lstat("./38/cgroup.net", [pid 5082] getdents64(4, [pid 5078] <... umount2 resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5083] unlink("./38/cgroup.net" [pid 5082] getdents64(4, [pid 5083] <... unlink resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] close(4) = 0 [pid 5082] rmdir("./38/file0") = 0 [pid 5082] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./38/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./38/cgroup.cpu") = 0 [pid 5082] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] close(3 [pid 5078] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... close resumed>) = 0 [pid 5082] rmdir("./38" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... rmdir resumed>) = 0 [pid 5082] mkdir("./39", 0777 [pid 5078] lstat("./37/file0", [pid 5082] <... mkdir resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5078] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5082] close(3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... close resumed>) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5993 attached ) = 4 [pid 5993] set_robust_list(0x5555565af5e0, 24 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 112 [pid 5078] fstat(4, [pid 5993] <... set_robust_list resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 127.616955][ T5988] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 127.647343][ T5988] REISERFS (device loop1): checking transaction log (loop1) [pid 5993] chdir("./39" [pid 5078] getdents64(4, [pid 5993] <... chdir resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] getdents64(4, [pid 5993] <... prctl resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5993] setpgid(0, 0 [pid 5078] close(4 [pid 5993] <... setpgid resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5993] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5078] rmdir("./37/file0" [pid 5993] <... symlink resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5993] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5078] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5993] <... symlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5993] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5078] lstat("./37/cgroup.cpu", [pid 5993] <... symlink resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] unlink("./37/cgroup.cpu" [pid 5993] <... openat resumed>) = 3 [pid 5078] <... unlink resumed>) = 0 [pid 5993] write(3, "1000", 4 [pid 5078] getdents64(3, [pid 5993] <... write resumed>) = 4 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5993] close(3 [pid 5078] close(3 [pid 5993] <... close resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5993] read(200, [pid 5078] rmdir("./37" [pid 5993] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] <... rmdir resumed>) = 0 [pid 5993] symlink("/dev/binderfs", "./binderfs" [pid 5078] mkdir("./38", 0777 [pid 5993] <... symlink resumed>) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 5993] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5993] <... futex resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5991] <... write resumed>) = 4194304 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5993] <... mmap resumed>) = 0x7f87c84f0000 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5993] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5078] close(3 [pid 5993] <... mprotect resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5993] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5995 attached ./strace-static-x86_64: Process 5994 attached [pid 5995] set_robust_list(0x5555565af5e0, 24 [pid 5994] set_robust_list(0x7f87c85109e0, 24 [pid 5993] <... clone resumed>, parent_tid=[113], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 113 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 105 [pid 5995] <... set_robust_list resumed>) = 0 [pid 5994] <... set_robust_list resumed>) = 0 [pid 5993] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] chdir("./38" [pid 5994] memfd_create("syzkaller", 0 [pid 5993] <... futex resumed>) = 0 [pid 5995] <... chdir resumed>) = 0 [pid 5994] <... memfd_create resumed>) = 3 [pid 5993] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5991] munmap(0x7f87c00f0000, 4194304 [pid 5995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5994] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5991] <... munmap resumed>) = 0 [pid 5995] <... prctl resumed>) = 0 [pid 5994] <... mmap resumed>) = 0x7f87c00f0000 [pid 5995] setpgid(0, 0) = 0 [pid 5991] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5995] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5991] <... openat resumed>) = 4 [pid 5995] <... symlink resumed>) = 0 [ 127.700187][ T5988] REISERFS (device loop1): Using r5 hash to sort names [ 127.713551][ T5988] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5991] ioctl(4, LOOP_SET_FD, 3 [pid 5995] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5995] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5995] write(3, "1000", 4) = 4 [pid 5995] close(3) = 0 [pid 5083] <... umount2 resumed>) = 0 [pid 5995] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5995] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5995] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5995] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5996 attached [pid 5996] set_robust_list(0x7f87c85109e0, 24 [pid 5995] <... clone resumed>, parent_tid=[106], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 106 [pid 5996] <... set_robust_list resumed>) = 0 [pid 5995] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] memfd_create("syzkaller", 0 [pid 5995] <... futex resumed>) = 0 [pid 5996] <... memfd_create resumed>) = 3 [pid 5995] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5996] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5083] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... umount2 resumed>) = 0 [pid 5991] <... ioctl resumed>) = 0 [pid 5988] <... mount resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5991] close(3 [pid 5988] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5083] lstat("./38/file0", [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./39/file0", [pid 5991] <... close resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5991] mkdir("./file0", 0777 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5991] <... mkdir resumed>) = 0 [pid 5991] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5988] <... openat resumed>) = 3 [pid 5988] chdir("./file0" [pid 5083] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5988] <... chdir resumed>) = 0 [pid 5083] <... openat resumed>) = 4 [pid 5081] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5988] ioctl(4, LOOP_CLR_FD [pid 5083] fstat(4, [pid 5081] <... openat resumed>) = 4 [pid 5988] <... ioctl resumed>) = 0 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] fstat(4, [pid 5988] close(4 [pid 5083] getdents64(4, [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 127.773196][ T5991] loop4: detected capacity change from 0 to 8192 [ 127.789836][ T5988] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5988] <... close resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5996] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5988] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] getdents64(4, [pid 5081] getdents64(4, [pid 5988] <... futex resumed>) = 1 [pid 5987] <... futex resumed>) = 0 [pid 5988] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5987] <... futex resumed>) = 0 [pid 5988] mkdir("./file1", 000 [pid 5987] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] <... mkdir resumed>) = 0 [pid 5988] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5987] <... futex resumed>) = 0 [pid 5988] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5987] <... futex resumed>) = 0 [pid 5988] mkdir("./bus", 000 [pid 5987] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] close(4 [pid 5081] getdents64(4, [pid 5988] <... mkdir resumed>) = 0 [pid 5988] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5988] <... futex resumed>) = 1 [ 127.837590][ T5991] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 127.852608][ T5991] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 127.866654][ T5991] REISERFS (device loop4): using ordered data mode [ 127.874340][ T5991] reiserfs: using flush barriers [pid 5987] <... futex resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5988] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5987] <... futex resumed>) = 0 [pid 5988] mkdir("./file0", 000 [pid 5987] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] <... mkdir resumed>) = 0 [pid 5083] rmdir("./38/file0" [pid 5081] close(4 [pid 5988] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5987] <... futex resumed>) = 0 [pid 5988] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... rmdir resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5987] <... futex resumed>) = 0 [pid 5083] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] rmdir("./39/file0" [pid 5988] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5987] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... rmdir resumed>) = 0 [pid 5083] lstat("./38/cgroup.cpu", [pid 5081] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] unlink("./38/cgroup.cpu" [pid 5081] lstat("./39/cgroup.cpu", [pid 5083] <... unlink resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] getdents64(3, [pid 5081] unlink("./39/cgroup.cpu" [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] close(3 [pid 5081] <... unlink resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5081] getdents64(3, [pid 5083] rmdir("./38" [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] <... rmdir resumed>) = 0 [pid 5083] mkdir("./39", 0777 [pid 5081] close(3 [pid 5083] <... mkdir resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5081] rmdir("./39" [pid 5083] <... openat resumed>) = 3 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5081] <... rmdir resumed>) = 0 [ 127.883260][ T5991] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 127.907792][ T5988] overlayfs: upper fs needs to support d_type. [ 127.914202][ T5988] overlayfs: upper fs does not support tmpfile. [ 127.917303][ T5991] REISERFS (device loop4): checking transaction log (loop4) [pid 5994] <... write resumed>) = 4194304 [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5081] mkdir("./40", 0777 [pid 5994] munmap(0x7f87c00f0000, 4194304 [pid 5083] close(3 [pid 5081] <... mkdir resumed>) = 0 [pid 5994] <... munmap resumed>) = 0 [pid 5988] <... mount resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5994] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5998 attached [pid 5994] <... openat resumed>) = 4 [pid 5991] <... mount resumed>) = 0 [pid 5988] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] ioctl(3, LOOP_CLR_FD [ 127.938740][ T5991] REISERFS (device loop4): Using r5 hash to sort names [ 127.946529][ T5991] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 127.956228][ T5988] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 127.975636][ T5991] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5998] set_robust_list(0x5555565af5e0, 24 [pid 5994] ioctl(4, LOOP_SET_FD, 3 [pid 5991] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5988] <... futex resumed>) = 1 [pid 5987] <... futex resumed>) = 0 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 110 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5998] <... set_robust_list resumed>) = 0 [pid 5994] <... ioctl resumed>) = 0 [pid 5991] <... openat resumed>) = 3 [pid 5988] mkdir(".", 0777 [pid 5987] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] close(3 [pid 5998] chdir("./39" [pid 5991] chdir("./file0" [pid 5988] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5987] <... futex resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5998] <... chdir resumed>) = 0 [pid 5996] <... write resumed>) = 4194304 [pid 5991] <... chdir resumed>) = 0 [pid 5988] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5987] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5999 attached [pid 5998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5996] munmap(0x7f87c00f0000, 4194304 [pid 5994] close(3 [pid 5991] ioctl(4, LOOP_CLR_FD [pid 5999] set_robust_list(0x5555565af5e0, 24 [pid 5998] <... prctl resumed>) = 0 [pid 5996] <... munmap resumed>) = 0 [pid 5994] <... close resumed>) = 0 [pid 5991] <... ioctl resumed>) = 0 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 116 [pid 5999] <... set_robust_list resumed>) = 0 [pid 5998] setpgid(0, 0 [pid 5994] mkdir("./file0", 0777 [pid 5998] <... setpgid resumed>) = 0 [pid 5994] <... mkdir resumed>) = 0 [pid 5998] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5994] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5998] <... symlink resumed>) = 0 [pid 5998] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5998] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5991] close(4 [pid 5999] chdir("./40" [pid 5998] <... openat resumed>) = 3 [pid 5996] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5991] <... close resumed>) = 0 [ 127.998510][ T5994] loop5: detected capacity change from 0 to 8192 [ 128.020949][ T5988] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5999] <... chdir resumed>) = 0 [pid 5998] write(3, "1000", 4 [pid 5996] <... openat resumed>) = 4 [pid 5991] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5998] <... write resumed>) = 4 [pid 5996] ioctl(4, LOOP_SET_FD, 3 [pid 5991] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5988] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... prctl resumed>) = 0 [pid 5998] close(3 [pid 5996] <... ioctl resumed>) = 0 [pid 5991] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... futex resumed>) = 1 [pid 5987] <... futex resumed>) = 0 [pid 5999] setpgid(0, 0 [pid 5998] <... close resumed>) = 0 [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] <... futex resumed>) = 0 [pid 5988] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... setpgid resumed>) = 0 [pid 5998] read(200, [pid 5991] mkdir("./file1", 000 [pid 5989] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5987] <... futex resumed>) = 0 [pid 5999] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5998] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] <... mkdir resumed>) = 0 [pid 5988] unlink(NULL [pid 5987] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... symlink resumed>) = 0 [pid 5998] symlink("/dev/binderfs", "./binderfs" [pid 5996] close(3 [pid 5991] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5999] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5998] <... symlink resumed>) = 0 [pid 5996] <... close resumed>) = 0 [pid 5991] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5988] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... symlink resumed>) = 0 [pid 5998] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] mkdir("./file0", 0777 [pid 5991] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... futex resumed>) = 1 [pid 5987] <... futex resumed>) = 0 [pid 5999] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5998] <... futex resumed>) = 0 [pid 5996] <... mkdir resumed>) = 0 [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] <... futex resumed>) = 0 [pid 5988] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5987] close(3 [pid 5999] <... symlink resumed>) = 0 [pid 5998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5996] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5991] mkdir("./bus", 000 [pid 5989] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] <... close resumed>) = 0 [pid 5999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5998] <... mmap resumed>) = 0x7f87c84f0000 [pid 5991] <... mkdir resumed>) = 0 [pid 5987] close(4 [pid 5999] <... openat resumed>) = 3 [pid 5998] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5991] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 128.040129][ T5994] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 128.057587][ T5996] loop0: detected capacity change from 0 to 8192 [ 128.083618][ T5996] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5999] write(3, "1000", 4 [pid 5998] <... mprotect resumed>) = 0 [pid 5991] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5987] close(5 [pid 5999] <... write resumed>) = 4 [pid 5998] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5991] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6002 attached [pid 5999] close(3 [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] <... futex resumed>) = 0 [pid 5987] close(6 [pid 6002] set_robust_list(0x7f87c85109e0, 24 [pid 5999] <... close resumed>) = 0 [pid 5991] mkdir("./file0", 000 [pid 5989] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6002] <... set_robust_list resumed>) = 0 [pid 5999] read(200, [pid 5991] <... mkdir resumed>) = 0 [pid 5987] close(7 [pid 6002] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] symlink("/dev/binderfs", "./binderfs" [pid 5991] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5987] close(8 [pid 5999] <... symlink resumed>) = 0 [pid 5991] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5989] <... futex resumed>) = 0 [pid 5987] close(9 [pid 5999] <... futex resumed>) = 0 [pid 5991] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5989] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5998] <... clone resumed>, parent_tid=[111], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 111 [pid 5987] close(10 [pid 5999] <... mmap resumed>) = 0x7f87c84f0000 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5987] close(11 [pid 5999] <... mprotect resumed>) = 0 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5987] close(12./strace-static-x86_64: Process 6003 attached ) = -1 EBADF (Bad file descriptor) [pid 6003] set_robust_list(0x7f87c85109e0, 24 [pid 5999] <... clone resumed>, parent_tid=[117], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 117 [pid 5987] close(13 [pid 6003] <... set_robust_list resumed>) = 0 [pid 5999] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] memfd_create("syzkaller", 0 [pid 5999] <... futex resumed>) = 0 [pid 5987] close(14 [pid 6003] <... memfd_create resumed>) = 3 [pid 5999] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5987] close(15 [pid 6003] <... mmap resumed>) = 0x7f87c00f0000 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] close(16) = -1 EBADF (Bad file descriptor) [pid 5987] close(17) = -1 EBADF (Bad file descriptor) [pid 5987] close(18) = -1 EBADF (Bad file descriptor) [pid 5987] close(19) = -1 EBADF (Bad file descriptor) [pid 5987] close(20) = -1 EBADF (Bad file descriptor) [pid 5987] close(21 [pid 6002] <... futex resumed>) = 0 [pid 5998] <... futex resumed>) = 1 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 128.091185][ T5991] overlayfs: upper fs needs to support d_type. [ 128.101735][ T5994] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 128.114856][ T5996] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 128.124754][ T5994] REISERFS (device loop5): using ordered data mode [ 128.127548][ T5996] REISERFS (device loop0): using ordered data mode [ 128.132701][ T5994] reiserfs: using flush barriers [pid 6002] memfd_create("syzkaller", 0 [pid 5998] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5987] close(22 [pid 6003] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6002] <... memfd_create resumed>) = 3 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6002] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5987] close(23 [pid 6002] <... mmap resumed>) = 0x7f87c00f0000 [pid 5987] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5987] close(24) = -1 EBADF (Bad file descriptor) [pid 5987] close(25) = -1 EBADF (Bad file descriptor) [pid 5987] close(26) = -1 EBADF (Bad file descriptor) [pid 5987] close(27) = -1 EBADF (Bad file descriptor) [pid 5987] close(28) = -1 EBADF (Bad file descriptor) [pid 5987] close(29) = -1 EBADF (Bad file descriptor) [pid 5987] exit_group(0 [pid 5988] <... futex resumed>) = ? [pid 5987] <... exit_group resumed>) = ? [pid 5988] +++ exited with 0 +++ [pid 5987] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5079] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 128.143295][ T5991] overlayfs: upper fs does not support tmpfile. [ 128.152545][ T5994] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 128.162344][ T5996] reiserfs: using flush barriers [pid 6003] <... write resumed>) = 4194304 [pid 5079] fstat(3, [pid 6003] munmap(0x7f87c00f0000, 4194304 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, [pid 6003] <... munmap resumed>) = 0 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6003] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5079] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6003] <... openat resumed>) = 4 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6003] ioctl(4, LOOP_SET_FD, 3 [pid 5079] lstat("./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./39/binderfs") = 0 [pid 5079] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5989] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5079] lstat("./39/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] unlink("./39/cgroup" [pid 6003] <... ioctl resumed>) = 0 [pid 5989] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... unlink resumed>) = 0 [pid 6003] close(3 [pid 5079] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6003] <... close resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6003] mkdir("./file0", 0777 [pid 5079] lstat("./39/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6003] <... mkdir resumed>) = 0 [pid 5079] unlink("./39/cgroup.net" [pid 6003] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5991] <... mount resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5989] <... futex resumed>) = 0 [pid 5079] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 5989] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5989] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6004 attached [pid 6004] set_robust_list(0x7f87c04ef9e0, 24 [pid 5989] <... clone resumed>, parent_tid=[110], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 110 [ 128.209548][ T5996] 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 [ 128.218766][ T5991] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 128.239082][ T6003] loop3: detected capacity change from 0 to 8192 [pid 6004] <... set_robust_list resumed>) = 0 [pid 5991] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] mkdir(".", 0777 [pid 5989] <... futex resumed>) = 0 [pid 6004] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5989] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6004] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6002] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5991] <... futex resumed>) = 0 [ 128.254230][ T5994] REISERFS (device loop5): checking transaction log (loop5) [ 128.265021][ T6003] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 128.265279][ T5996] REISERFS (device loop0): checking transaction log (loop0) [ 128.294468][ T5994] REISERFS (device loop5): Using r5 hash to sort names [ 128.302147][ T5994] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 128.305196][ T6003] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 128.328147][ T5996] REISERFS (device loop0): Using r5 hash to sort names [ 128.330660][ T6003] REISERFS (device loop3): using ordered data mode [ 128.337534][ T5996] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 128.346912][ T6003] reiserfs: using flush barriers [ 128.356577][ T5994] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 128.374863][ T6004] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 128.387159][ T5996] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5991] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] <... mount resumed>) = 0 [pid 5994] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5994] chdir("./file0") = 0 [pid 5994] ioctl(4, LOOP_CLR_FD) = 0 [pid 5994] close(4) = 0 [pid 5994] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5993] <... futex resumed>) = 0 [pid 5994] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5993] <... futex resumed>) = 0 [pid 5994] mkdir("./file1", 000 [pid 5993] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5994] <... mkdir resumed>) = 0 [pid 5994] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5993] <... futex resumed>) = 0 [pid 5993] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] mkdir("./bus", 000 [pid 5993] <... futex resumed>) = 0 [pid 5993] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5994] <... mkdir resumed>) = 0 [pid 5994] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5993] <... futex resumed>) = 0 [pid 5994] mkdir("./file0", 000 [pid 5993] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5993] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5994] <... mkdir resumed>) = 0 [pid 5994] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5993] <... futex resumed>) = 0 [pid 5994] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5993] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 128.398091][ T6003] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5993] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... umount2 resumed>) = 0 [pid 5079] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./39/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6004] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5996] <... mount resumed>) = 0 [pid 5996] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6004] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... openat resumed>) = 3 [pid 5079] fstat(4, [pid 5996] chdir("./file0" [pid 6004] <... futex resumed>) = 1 [pid 6002] <... write resumed>) = 4194304 [pid 5996] <... chdir resumed>) = 0 [pid 5989] <... futex resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5996] ioctl(4, LOOP_CLR_FD [pid 6004] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] munmap(0x7f87c00f0000, 4194304 [pid 5996] <... ioctl resumed>) = 0 [pid 5989] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] getdents64(4, [pid 5996] close(4) = 0 [pid 5989] <... futex resumed>) = 1 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5989] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] close(4) = 0 [pid 5079] rmdir("./39/file0") = 0 [pid 5079] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./39/cgroup.cpu", [pid 5996] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5991] <... futex resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6002] <... munmap resumed>) = 0 [pid 5996] <... futex resumed>) = 1 [pid 5995] <... futex resumed>) = 0 [pid 5993] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] unlink(NULL [pid 5079] unlink("./39/cgroup.cpu" [pid 5996] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... futex resumed>) = 0 [pid 5991] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5079] <... unlink resumed>) = 0 [pid 6002] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] <... futex resumed>) = 0 [pid 5993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5991] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] getdents64(3, [pid 5996] mkdir("./file1", 000 [pid 5995] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] <... mmap resumed>) = 0x7f87c04cf000 [pid 5991] <... futex resumed>) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5996] <... mkdir resumed>) = 0 [pid 5991] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5989] close(3 [ 128.437769][ T5994] overlayfs: upper fs needs to support d_type. [ 128.444151][ T5994] overlayfs: upper fs does not support tmpfile. [ 128.457491][ T6003] REISERFS (device loop3): checking transaction log (loop3) [ 128.465906][ T5994] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5079] close(3) = 0 [pid 5079] rmdir("./39") = 0 [pid 6002] <... openat resumed>) = 4 [pid 5996] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... mount resumed>) = 0 [pid 5993] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5989] <... close resumed>) = 0 [pid 5079] mkdir("./40", 0777 [pid 6002] ioctl(4, LOOP_SET_FD, 3 [pid 5996] <... futex resumed>) = 1 [pid 5995] <... futex resumed>) = 0 [pid 5993] <... mprotect resumed>) = 0 [pid 5989] close(4 [pid 5079] <... mkdir resumed>) = 0 [pid 5996] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5079] close(3) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6006 attached [pid 5996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] <... futex resumed>) = 0 [pid 5989] close(5 [pid 6006] set_robust_list(0x5555565af5e0, 24 [pid 5996] mkdir("./bus", 000 [pid 5995] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] <... clone resumed>, parent_tid=[114], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 114 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 112 ./strace-static-x86_64: Process 6007 attached [pid 6006] <... set_robust_list resumed>) = 0 [pid 5996] <... mkdir resumed>) = 0 [pid 5994] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] close(6 [pid 6007] set_robust_list(0x7f87c04ef9e0, 24 [pid 6006] chdir("./40" [pid 5996] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... futex resumed>) = 0 [pid 5993] <... futex resumed>) = 0 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6007] <... set_robust_list resumed>) = 0 [pid 6006] <... chdir resumed>) = 0 [pid 5996] <... futex resumed>) = 1 [pid 5995] <... futex resumed>) = 0 [pid 5994] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5989] close(7 [pid 6007] mkdir(".", 0777 [pid 6006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5996] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6007] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6006] <... prctl resumed>) = 0 [pid 5996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] <... futex resumed>) = 0 [pid 5989] close(8 [pid 6007] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6006] setpgid(0, 0 [pid 5996] mkdir("./file0", 000 [pid 5995] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 128.494021][ T6003] REISERFS (device loop3): Using r5 hash to sort names [ 128.506530][ T6002] loop2: detected capacity change from 0 to 8192 [pid 6006] <... setpgid resumed>) = 0 [pid 6002] <... ioctl resumed>) = 0 [pid 5996] <... mkdir resumed>) = 0 [pid 5989] close(9 [pid 6006] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6006] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6006] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6006] write(3, "1000", 4) = 4 [pid 6006] close(3) = 0 [pid 6006] read(200, [pid 6002] close(3 [pid 5996] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6006] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6006] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6006] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [ 128.535547][ T6007] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 128.541869][ T6003] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 128.563904][ T6003] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 6006] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6008 attached [pid 6002] <... close resumed>) = 0 [pid 5996] <... futex resumed>) = 1 [pid 5995] <... futex resumed>) = 0 [pid 5989] close(10 [pid 6008] set_robust_list(0x7f87c85109e0, 24 [pid 6007] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6006] <... clone resumed>, parent_tid=[113], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 113 [pid 6003] <... mount resumed>) = 0 [pid 6002] mkdir("./file0", 0777 [pid 5996] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6008] <... set_robust_list resumed>) = 0 [pid 6007] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6002] <... mkdir resumed>) = 0 [pid 5996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5995] <... futex resumed>) = 0 [pid 5989] close(11 [pid 6008] memfd_create("syzkaller", 0 [pid 6007] <... futex resumed>) = 1 [pid 6006] <... futex resumed>) = 0 [pid 6003] <... openat resumed>) = 3 [pid 6002] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5996] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5995] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] <... futex resumed>) = 0 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6008] <... memfd_create resumed>) = 3 [pid 6007] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6003] chdir("./file0" [pid 5993] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] close(12 [pid 6003] <... chdir resumed>) = 0 [pid 5993] <... futex resumed>) = 1 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] ioctl(4, LOOP_CLR_FD [pid 5993] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] close(13 [pid 6003] <... ioctl resumed>) = 0 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] close(4 [pid 5989] close(14 [pid 6008] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6003] <... close resumed>) = 0 [pid 5996] <... mount resumed>) = 0 [pid 5995] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5994] <... futex resumed>) = 0 [pid 5993] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6008] <... mmap resumed>) = 0x7f87c00f0000 [ 128.584060][ T5996] overlayfs: upper fs needs to support d_type. [ 128.600018][ T5996] overlayfs: upper fs does not support tmpfile. [ 128.600926][ T6002] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 128.610310][ T5996] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6003] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] unlink(NULL [pid 5989] close(15 [pid 6003] <... futex resumed>) = 1 [pid 5995] <... futex resumed>) = 0 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5989] close(16) = -1 EBADF (Bad file descriptor) [pid 5989] close(17) = -1 EBADF (Bad file descriptor) [pid 5999] <... futex resumed>) = 0 [pid 5994] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5989] close(18 [pid 5999] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... futex resumed>) = 0 [pid 5999] <... futex resumed>) = 1 [pid 5996] <... futex resumed>) = 1 [pid 5995] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5993] close(3 [pid 5989] close(19 [pid 6003] mkdir("./file1", 000 [pid 5995] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=46000000} [pid 5993] <... close resumed>) = 0 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... mkdir resumed>) = 0 [pid 5993] close(4 [pid 5989] close(20 [pid 6003] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... futex resumed>) = 0 [pid 5993] close(5 [pid 5989] close(21 [pid 6003] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] close(6 [pid 5989] close(22 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] close(7 [pid 5989] close(23 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] close(8 [pid 5989] close(24 [pid 5999] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5996] mkdir(".", 0777 [pid 5994] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] close(9 [pid 5989] close(25 [pid 5996] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5999] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... futex resumed>) = 0 [pid 5999] <... futex resumed>) = 1 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] close(10 [pid 6003] mkdir("./bus", 000 [pid 5989] close(26 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... mkdir resumed>) = 0 [pid 6003] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] close(11 [pid 5989] close(27 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] <... futex resumed>) = 1 [pid 5999] <... futex resumed>) = 0 [pid 5989] close(28 [pid 5999] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] close(12 [pid 5999] <... futex resumed>) = 0 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] mkdir("./file0", 000 [pid 5999] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] close(29 [pid 6003] <... mkdir resumed>) = 0 [pid 5993] close(13 [pid 5989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6003] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5989] exit_group(0 [pid 6004] <... futex resumed>) = ? [pid 6003] <... futex resumed>) = 1 [pid 5999] <... futex resumed>) = 0 [pid 5993] close(14 [pid 5991] <... futex resumed>) = ? [pid 5989] <... exit_group resumed>) = ? [pid 6004] +++ exited with 0 +++ [pid 5999] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 128.648024][ T6002] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 128.661634][ T6002] REISERFS (device loop2): using ordered data mode [ 128.671139][ T6002] reiserfs: using flush barriers [pid 5999] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6003] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5991] +++ exited with 0 +++ [pid 5989] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5996] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5993] close(15 [pid 5996] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5080] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5996] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5080] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(3, [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5993] close(16 [pid 5080] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5993] close(17 [pid 5080] lstat("./40/binderfs", [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5993] close(18 [pid 5080] unlink("./40/binderfs") = 0 [pid 5080] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./40/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] unlink("./40/cgroup") = 0 [pid 5080] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./40/cgroup.net", [pid 5993] close(19 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./40/cgroup.net" [pid 5993] close(20 [pid 5080] <... unlink resumed>) = 0 [pid 5080] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5995] <... futex resumed>) = 0 [pid 5995] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5996] <... futex resumed>) = 0 [pid 5995] <... futex resumed>) = 1 [pid 5999] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] unlink(NULL [pid 5995] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... futex resumed>) = 0 [pid 5996] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5996] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... mmap resumed>) = 0x7f87c04cf000 [pid 5996] <... futex resumed>) = 1 [pid 5995] <... futex resumed>) = 0 [pid 5999] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5996] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] close(3 [pid 5999] <... mprotect resumed>) = 0 [pid 5995] <... close resumed>) = 0 [pid 5999] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5995] close(4) = -1 EBADF (Bad file descriptor) [pid 5999] <... clone resumed>, parent_tid=[118], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 118 [ 128.691625][ T5996] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 128.709367][ T6003] overlayfs: upper fs needs to support d_type. [ 128.723037][ T6003] overlayfs: upper fs does not support tmpfile. [pid 5995] close(5 [pid 5999] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] <... futex resumed>) = 0 [pid 5995] close(6 [pid 6003] <... mount resumed>) = 0 [pid 5999] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6010 attached [pid 6003] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] close(7 [pid 5993] close(21 [pid 6010] set_robust_list(0x7f87c04ef9e0, 24 [pid 6003] <... futex resumed>) = 0 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] <... set_robust_list resumed>) = 0 [pid 6003] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5995] close(8 [pid 5993] close(22 [pid 6010] mkdir(".", 0777 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5995] close(9 [pid 6010] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] close(23 [pid 5995] close(10 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] close(24 [pid 5995] close(11 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] close(25 [pid 5995] close(12 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] close(13) = -1 EBADF (Bad file descriptor) [pid 5995] close(14) = -1 EBADF (Bad file descriptor) [pid 5993] close(26 [pid 5995] close(15 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] close(27 [pid 5995] close(16 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] close(28 [pid 5995] close(17 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] close(29 [pid 5995] close(18 [pid 5993] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 128.733008][ T6002] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 128.751683][ T6003] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 128.765658][ T6002] REISERFS (device loop2): checking transaction log (loop2) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] exit_group(0 [pid 6007] <... futex resumed>) = ? [pid 5995] close(19 [pid 5994] <... futex resumed>) = ? [pid 5993] <... exit_group resumed>) = ? [pid 6007] +++ exited with 0 +++ [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] +++ exited with 0 +++ [pid 5995] close(20) = -1 EBADF (Bad file descriptor) [pid 5995] close(21 [pid 5993] +++ exited with 0 +++ [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] close(22) = -1 EBADF (Bad file descriptor) [pid 5995] close(23 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=18 /* 0.18 s */} --- [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] restart_syscall(<... resuming interrupted clone ...> [pid 5995] close(24 [pid 5082] <... restart_syscall resumed>) = 0 [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] close(25) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5995] close(26 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5995] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5995] close(27) = -1 EBADF (Bad file descriptor) [pid 5995] close(28) = -1 EBADF (Bad file descriptor) [pid 5995] close(29) = -1 EBADF (Bad file descriptor) [pid 5995] exit_group(0 [pid 5996] <... futex resumed>) = ? [pid 5995] <... exit_group resumed>) = ? [pid 6010] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6008] <... write resumed>) = 4194304 [pid 5996] +++ exited with 0 +++ [pid 5995] +++ exited with 0 +++ [pid 5082] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... umount2 resumed>) = 0 [pid 6010] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] munmap(0x7f87c00f0000, 4194304 [pid 5082] <... openat resumed>) = 3 [pid 5080] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6010] <... futex resumed>) = 1 [pid 5999] <... futex resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=105, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 6010] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6008] <... munmap resumed>) = 0 [pid 5999] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] fstat(3, [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 6008] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6003] <... futex resumed>) = 0 [pid 5999] <... futex resumed>) = 1 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] lstat("./40/file0", [pid 5078] <... restart_syscall resumed>) = 0 [pid 6008] <... openat resumed>) = 4 [pid 6003] unlink(NULL [pid 5999] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6003] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6003] <... futex resumed>) = 1 [pid 5999] <... futex resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6008] ioctl(4, LOOP_SET_FD, 3 [pid 6003] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] close(3 [ 128.831950][ T6010] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 128.847100][ T6002] REISERFS (device loop2): Using r5 hash to sort names [ 128.854931][ T6002] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5082] getdents64(3, [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5999] <... close resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5999] close(4 [pid 5078] fstat(3, [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5999] close(5 [pid 5078] getdents64(3, [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5999] close(6 [pid 5078] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5999] close(7 [pid 5078] lstat("./38/binderfs", [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5080] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5999] close(8 [pid 5082] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./38/binderfs" [pid 6008] <... ioctl resumed>) = 0 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... unlink resumed>) = 0 [pid 5999] close(9 [pid 5078] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5999] close(10 [pid 5078] lstat("./38/cgroup", [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5999] close(11 [pid 5078] unlink("./38/cgroup" [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5999] close(12 [pid 5078] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5999] close(13 [pid 5078] lstat("./38/cgroup.net", [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5999] close(14 [pid 5082] lstat("./39/binderfs", [pid 5078] unlink("./38/cgroup.net" [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] <... openat resumed>) = 4 [pid 5078] <... unlink resumed>) = 0 [pid 6008] close(3 [pid 6002] <... mount resumed>) = 0 [pid 5999] close(15 [pid 5082] unlink("./39/binderfs" [pid 5080] fstat(4, [pid 5078] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6008] <... close resumed>) = 0 [pid 6002] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6008] mkdir("./file0", 0777 [pid 6002] <... openat resumed>) = 3 [pid 5999] close(16 [pid 5082] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] getdents64(4, [pid 6008] <... mkdir resumed>) = 0 [pid 6002] chdir("./file0" [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6008] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6002] <... chdir resumed>) = 0 [pid 5999] close(17 [pid 5082] lstat("./39/cgroup", [pid 5080] getdents64(4, [pid 6002] ioctl(4, LOOP_CLR_FD [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6002] <... ioctl resumed>) = 0 [pid 5999] close(18 [pid 5082] unlink("./39/cgroup" [pid 5080] close(4 [pid 6002] close(4 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 5999] close(19) = -1 EBADF (Bad file descriptor) [pid 5999] close(20) = -1 EBADF (Bad file descriptor) [ 128.883402][ T6008] loop1: detected capacity change from 0 to 8192 [ 128.893720][ T6002] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5999] close(21) = -1 EBADF (Bad file descriptor) [pid 5999] close(22) = -1 EBADF (Bad file descriptor) [pid 5999] close(23) = -1 EBADF (Bad file descriptor) [pid 6002] <... close resumed>) = 0 [pid 5999] close(24 [pid 5082] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] rmdir("./40/file0" [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] close(25) = -1 EBADF (Bad file descriptor) [pid 5999] close(26) = -1 EBADF (Bad file descriptor) [pid 5999] close(27) = -1 EBADF (Bad file descriptor) [pid 5999] close(28) = -1 EBADF (Bad file descriptor) [pid 5999] close(29) = -1 EBADF (Bad file descriptor) [pid 5999] exit_group(0 [pid 6010] <... futex resumed>) = ? [pid 6003] <... futex resumed>) = ? [pid 6002] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... exit_group resumed>) = ? [pid 6003] +++ exited with 0 +++ [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... rmdir resumed>) = 0 [pid 6010] +++ exited with 0 +++ [pid 5999] +++ exited with 0 +++ [ 128.922459][ T6008] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6002] <... futex resumed>) = 1 [pid 5998] <... futex resumed>) = 0 [pid 5082] lstat("./39/cgroup.net", [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=116, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5080] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6002] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5998] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5998] <... futex resumed>) = 0 [pid 6002] mkdir("./file1", 000 [pid 5998] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] unlink("./39/cgroup.net" [pid 5080] lstat("./40/cgroup.cpu", [pid 5078] <... umount2 resumed>) = 0 [pid 6002] <... mkdir resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6002] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] unlink("./40/cgroup.cpu" [pid 5078] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6002] <... futex resumed>) = 1 [pid 5998] <... futex resumed>) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5998] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] mkdir("./bus", 000) = 0 [pid 5998] <... futex resumed>) = 0 [pid 5081] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] getdents64(3, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5081] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5998] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] close(3 [pid 6002] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... openat resumed>) = 3 [pid 5080] <... close resumed>) = 0 [pid 5998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] <... futex resumed>) = 0 [pid 5081] fstat(3, [pid 5080] rmdir("./40" [pid 5998] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... rmdir resumed>) = 0 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6002] mkdir("./file0", 000 [pid 5998] <... futex resumed>) = 0 [pid 5080] mkdir("./41", 0777 [pid 5998] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] getdents64(3, [pid 6002] <... mkdir resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5080] <... mkdir resumed>) = 0 [pid 5081] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6002] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6002] <... futex resumed>) = 1 [pid 5998] <... futex resumed>) = 0 [pid 5081] lstat("./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] unlink("./40/binderfs" [pid 5998] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5081] <... unlink resumed>) = 0 [pid 5080] <... openat resumed>) = 3 [pid 5998] <... futex resumed>) = 0 [pid 5081] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5998] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5081] lstat("./40/cgroup", [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 128.957601][ T6008] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 128.968414][ T6008] REISERFS (device loop1): using ordered data mode [ 128.975660][ T6008] reiserfs: using flush barriers [ 128.988904][ T6008] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] close(3 [pid 5078] lstat("./38/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5078] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] close(4) = 0 [pid 5078] rmdir("./38/file0") = 0 [pid 5078] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./38/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./38/cgroup.cpu") = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] close(3) = 0 [pid 5078] rmdir("./38") = 0 [pid 5078] mkdir("./39", 0777) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5078] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5078] close(3) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565af5d0) = 107 [pid 5081] unlink("./40/cgroup" [pid 5080] <... close resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6012 attached [pid 5081] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6013 attached [pid 6012] set_robust_list(0x5555565af5e0, 24 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./40/cgroup.net") = 0 [pid 6013] set_robust_list(0x5555565af5e0, 24 [pid 5081] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 111 [pid 6013] <... set_robust_list resumed>) = 0 [pid 6013] chdir("./41" [pid 6012] <... set_robust_list resumed>) = 0 [pid 6013] <... chdir resumed>) = 0 [pid 6012] chdir("./39" [pid 6013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6012] <... chdir resumed>) = 0 [pid 6013] <... prctl resumed>) = 0 [pid 6012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6013] setpgid(0, 0 [pid 6012] <... prctl resumed>) = 0 [pid 6013] <... setpgid resumed>) = 0 [pid 6012] setpgid(0, 0 [pid 6013] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6012] <... setpgid resumed>) = 0 [ 129.020297][ T6008] REISERFS (device loop1): checking transaction log (loop1) [ 129.021593][ T6002] overlayfs: upper fs needs to support d_type. [ 129.041956][ T6008] REISERFS (device loop1): Using r5 hash to sort names [ 129.049413][ T6008] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6013] <... symlink resumed>) = 0 [pid 6012] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6013] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6012] <... symlink resumed>) = 0 [pid 6013] <... symlink resumed>) = 0 [pid 6012] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6013] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6012] <... symlink resumed>) = 0 [pid 6013] <... symlink resumed>) = 0 [pid 6012] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6012] <... symlink resumed>) = 0 [pid 6008] <... mount resumed>) = 0 [pid 6013] <... openat resumed>) = 3 [pid 6012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6013] write(3, "1000", 4 [pid 6012] <... openat resumed>) = 3 [pid 6008] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6013] <... write resumed>) = 4 [pid 6012] write(3, "1000", 4 [pid 6008] <... openat resumed>) = 3 [pid 6008] chdir("./file0" [pid 6013] close(3 [pid 6012] <... write resumed>) = 4 [ 129.071440][ T6008] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 129.082163][ T6002] overlayfs: upper fs does not support tmpfile. [pid 6008] <... chdir resumed>) = 0 [pid 6013] <... close resumed>) = 0 [pid 6012] close(3 [pid 5998] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6013] read(200, [pid 6012] <... close resumed>) = 0 [pid 6013] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] read(200, [pid 6013] symlink("/dev/binderfs", "./binderfs" [pid 6012] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6008] ioctl(4, LOOP_CLR_FD [pid 6013] <... symlink resumed>) = 0 [pid 6012] symlink("/dev/binderfs", "./binderfs" [pid 6008] <... ioctl resumed>) = 0 [pid 6013] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... symlink resumed>) = 0 [pid 6008] close(4 [pid 5998] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] <... futex resumed>) = 0 [pid 6012] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... close resumed>) = 0 [pid 6013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6012] <... futex resumed>) = 0 [pid 6013] <... mmap resumed>) = 0x7f87c84f0000 [pid 6012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6013] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6012] <... mmap resumed>) = 0x7f87c84f0000 [pid 6013] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6012] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6014 attached ) = 0 [pid 6014] set_robust_list(0x7f87c85109e0, 24 [pid 6013] <... clone resumed>, parent_tid=[112], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 112 [pid 6012] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6014] <... set_robust_list resumed>) = 0 [pid 6013] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6015 attached [pid 6014] memfd_create("syzkaller", 0 [pid 6013] <... futex resumed>) = 0 [pid 6008] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] set_robust_list(0x7f87c85109e0, 24 [pid 6014] <... memfd_create resumed>) = 3 [pid 6013] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6012] <... clone resumed>, parent_tid=[108], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 108 [pid 6008] <... futex resumed>) = 1 [pid 6006] <... futex resumed>) = 0 [pid 6015] <... set_robust_list resumed>) = 0 [pid 6014] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6012] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] memfd_create("syzkaller", 0 [pid 6014] <... mmap resumed>) = 0x7f87c00f0000 [pid 6012] <... futex resumed>) = 0 [pid 6008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6006] <... futex resumed>) = 0 [pid 6015] <... memfd_create resumed>) = 3 [pid 6012] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6008] mkdir("./file1", 000 [pid 6006] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] <... futex resumed>) = 0 [pid 6015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6008] <... mkdir resumed>) = 0 [pid 5998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6015] <... mmap resumed>) = 0x7f87c00f0000 [ 129.114217][ T6002] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6008] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6006] <... futex resumed>) = 0 [pid 6008] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6006] <... futex resumed>) = 0 [pid 5998] <... mmap resumed>) = 0x7f87c04cf000 [pid 6008] mkdir("./bus", 000 [pid 6006] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6008] <... mkdir resumed>) = 0 [pid 6002] <... mount resumed>) = 0 [pid 5998] <... mprotect resumed>) = 0 [pid 6008] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6006] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6016 attached [pid 6008] <... futex resumed>) = 1 [pid 6006] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = 0 [pid 6008] mkdir("./file0", 000 [pid 6006] <... futex resumed>) = 0 [pid 6006] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6008] <... mkdir resumed>) = 0 [pid 6016] set_robust_list(0x7f87c04ef9e0, 24 [pid 6008] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5998] <... clone resumed>, parent_tid=[112], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 112 [pid 6016] <... set_robust_list resumed>) = 0 [pid 6008] <... futex resumed>) = 1 [pid 6006] <... futex resumed>) = 0 [pid 5998] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] mkdir(".", 0777 [pid 6008] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... futex resumed>) = 0 [pid 6016] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6006] <... futex resumed>) = 0 [pid 5998] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6016] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6008] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6006] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... umount2 resumed>) = 0 [pid 6014] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6015] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5082] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./39/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... umount2 resumed>) = 0 [pid 6006] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6006] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6006] <... mmap resumed>) = 0x7f87c04cf000 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 129.222286][ T6008] overlayfs: upper fs needs to support d_type. [ 129.245497][ T6016] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 129.260455][ T6008] overlayfs: upper fs does not support tmpfile. [pid 5082] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5082] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(4, [pid 5081] lstat("./40/file0", [pid 6016] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6006] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6016] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6016] <... futex resumed>) = 1 [pid 5998] <... futex resumed>) = 0 [pid 6016] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6006] <... mprotect resumed>) = 0 [pid 5998] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6006] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6002] <... futex resumed>) = 0 [pid 5998] <... futex resumed>) = 1 [pid 6002] unlink(NULL [pid 5081] <... openat resumed>) = 4 [pid 6002] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5998] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] fstat(4, [pid 6002] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6017 attached [pid 6008] <... mount resumed>) = 0 [pid 6002] <... futex resumed>) = 0 [pid 5998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6002] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5998] close(3 [pid 5081] getdents64(4, [pid 6006] <... clone resumed>, parent_tid=[114], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 114 [pid 6017] set_robust_list(0x7f87c04ef9e0, 24 [pid 6008] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... close resumed>) = 0 [pid 5082] getdents64(4, [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6017] <... set_robust_list resumed>) = 0 [pid 6008] <... futex resumed>) = 0 [pid 6006] <... futex resumed>) = 0 [pid 5998] close(4 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5081] getdents64(4, [pid 6017] mkdir(".", 0777 [pid 6008] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(4 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6017] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5998] close(5 [pid 5082] <... close resumed>) = 0 [pid 5081] close(4 [pid 6017] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] rmdir("./39/file0" [pid 5081] <... close resumed>) = 0 [pid 5998] close(6 [pid 5082] <... rmdir resumed>) = 0 [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 129.278572][ T6008] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5082] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] rmdir("./40/file0" [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./39/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./39/cgroup.cpu") = 0 [pid 5082] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] close(3) = 0 [pid 5082] rmdir("./39") = 0 [pid 5082] mkdir("./40", 0777) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5998] close(7 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6017] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(3 [pid 5081] <... rmdir resumed>) = 0 [pid 6017] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] close(8 [pid 5082] <... close resumed>) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6018 attached [pid 6018] set_robust_list(0x5555565af5e0, 24 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 115 [pid 6018] <... set_robust_list resumed>) = 0 [pid 6018] chdir("./40") = 0 [pid 6018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6018] setpgid(0, 0) = 0 [pid 6018] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 6018] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 6018] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 6017] <... futex resumed>) = 1 [pid 6006] <... futex resumed>) = 0 [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6017] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] close(9 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6018] <... openat resumed>) = 3 [pid 6008] <... futex resumed>) = 0 [pid 6006] <... futex resumed>) = 1 [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./40/cgroup.cpu", [pid 6018] write(3, "1000", 4 [pid 6008] unlink(NULL [pid 6006] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] close(10 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6018] <... write resumed>) = 4 [pid 6008] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] unlink("./40/cgroup.cpu" [pid 6018] close(3 [pid 6008] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] close(11 [pid 5081] <... unlink resumed>) = 0 [pid 6018] <... close resumed>) = 0 [pid 6008] <... futex resumed>) = 1 [pid 6006] <... futex resumed>) = 0 [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(3, [pid 6018] read(200, [pid 6008] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] close(3 [pid 5998] close(12 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6018] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] <... write resumed>) = 4194304 [ 129.319357][ T6017] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6018] symlink("/dev/binderfs", "./binderfs" [pid 6006] <... close resumed>) = 0 [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 6018] <... symlink resumed>) = 0 [pid 6006] close(4 [pid 5998] close(13 [pid 5081] <... close resumed>) = 0 [pid 6018] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] rmdir("./40" [pid 6018] <... futex resumed>) = 0 [pid 6015] munmap(0x7f87c00f0000, 4194304 [pid 6006] close(5 [pid 5998] close(14 [pid 6018] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... rmdir resumed>) = 0 [pid 6018] <... mmap resumed>) = 0x7f87c84f0000 [pid 6015] <... munmap resumed>) = 0 [pid 6006] close(6 [pid 5998] close(15 [pid 5081] mkdir("./41", 0777 [pid 6018] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6015] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] <... mprotect resumed>) = 0 [pid 6015] <... openat resumed>) = 4 [pid 6006] close(7 [pid 5998] close(16 [pid 5081] <... mkdir resumed>) = 0 [pid 6018] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6015] ioctl(4, LOOP_SET_FD, 3 [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 6019 attached [pid 6018] <... clone resumed>, parent_tid=[116], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 116 [pid 6018] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6018] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6019] set_robust_list(0x7f87c85109e0, 24 [pid 6015] <... ioctl resumed>) = 0 [pid 6006] close(8 [pid 5998] close(17 [pid 5081] <... openat resumed>) = 3 [pid 6019] <... set_robust_list resumed>) = 0 [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] ioctl(3, LOOP_CLR_FD [pid 6019] memfd_create("syzkaller", 0 [pid 6006] close(9 [pid 5998] close(18 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6019] <... memfd_create resumed>) = 3 [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 6019] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6015] close(3 [pid 6014] <... write resumed>) = 4194304 [pid 6006] close(10 [pid 5998] close(19 [pid 5081] <... close resumed>) = 0 [pid 6019] <... mmap resumed>) = 0x7f87c00f0000 [pid 6014] munmap(0x7f87c00f0000, 4194304 [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6014] <... munmap resumed>) = 0 [pid 6006] close(11 [pid 5998] close(20 [pid 6014] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 6020 attached ) = 4 [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] set_robust_list(0x5555565af5e0, 24 [pid 6014] ioctl(4, LOOP_SET_FD, 3 [pid 6006] close(12 [pid 5998] close(21 [pid 6020] <... set_robust_list resumed>) = 0 [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 119 [pid 6006] close(13 [pid 5998] close(22 [pid 6020] chdir("./41" [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] <... chdir resumed>) = 0 [pid 6006] close(14 [pid 5998] close(23 [pid 6020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] <... prctl resumed>) = 0 [pid 6006] close(15 [pid 5998] close(24 [pid 6020] setpgid(0, 0 [pid 6015] <... close resumed>) = 0 [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] <... setpgid resumed>) = 0 [pid 6015] mkdir("./file0", 0777 [pid 6006] close(16 [pid 5998] close(25 [pid 6020] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] <... symlink resumed>) = 0 [pid 6015] <... mkdir resumed>) = 0 [pid 6006] close(17 [pid 5998] close(26 [pid 6020] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6015] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] <... symlink resumed>) = 0 [pid 6006] close(18 [pid 5998] close(27 [pid 6020] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] <... symlink resumed>) = 0 [ 129.399588][ T6015] loop0: detected capacity change from 0 to 8192 [ 129.421333][ T6014] loop4: detected capacity change from 0 to 8192 [pid 6006] close(19 [pid 5998] close(28 [pid 6020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6019] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6014] <... ioctl resumed>) = 0 [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] <... openat resumed>) = 3 [pid 6014] close(3 [pid 6006] close(20 [pid 5998] close(29 [pid 6020] write(3, "1000", 4 [pid 6014] <... close resumed>) = 0 [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] <... write resumed>) = 4 [pid 6014] mkdir("./file0", 0777 [pid 6006] close(21 [pid 5998] exit_group(0 [pid 6020] close(3 [pid 6016] <... futex resumed>) = ? [pid 6014] <... mkdir resumed>) = 0 [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6002] <... futex resumed>) = ? [pid 5998] <... exit_group resumed>) = ? [pid 6020] <... close resumed>) = 0 [pid 6016] +++ exited with 0 +++ [pid 6014] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6006] close(22 [pid 6002] +++ exited with 0 +++ [ 129.450487][ T6015] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 129.465374][ T6015] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 6020] read(200, [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5998] +++ exited with 0 +++ [pid 6020] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6006] close(23 [pid 6020] symlink("/dev/binderfs", "./binderfs" [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] <... symlink resumed>) = 0 [pid 6006] close(24 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 6020] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6020] <... futex resumed>) = 0 [pid 6006] close(25 [pid 6020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6020] <... mmap resumed>) = 0x7f87c84f0000 [pid 6006] close(26 [pid 5083] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6020] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6019] <... write resumed>) = 4194304 [pid 6020] <... mprotect resumed>) = 0 [pid 6019] munmap(0x7f87c00f0000, 4194304 [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... openat resumed>) = 3 [pid 6006] close(27 [pid 5083] fstat(3, [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6020] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6006] close(28 [pid 5083] getdents64(3, [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6020] <... clone resumed>, parent_tid=[120], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 120 [pid 6006] close(29 [pid 5083] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6020] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6020] <... futex resumed>) = 0 [pid 6006] exit_group(0 [pid 5083] lstat("./39/binderfs", [pid 6020] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6017] <... futex resumed>) = ? [pid 6008] <... futex resumed>) = ? [pid 6006] <... exit_group resumed>) = ? [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6019] <... munmap resumed>) = 0 [pid 6017] +++ exited with 0 +++ [pid 6008] +++ exited with 0 +++ [pid 6006] +++ exited with 0 +++ [pid 5083] unlink("./39/binderfs") = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 6019] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5083] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6023 attached [pid 6019] <... openat resumed>) = 4 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... restart_syscall resumed>) = 0 [pid 6023] set_robust_list(0x7f87c85109e0, 24 [pid 6019] ioctl(4, LOOP_SET_FD, 3 [ 129.492462][ T6015] REISERFS (device loop0): using ordered data mode [ 129.510646][ T6015] reiserfs: using flush barriers [ 129.514526][ T6014] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 129.532730][ T6019] loop5: detected capacity change from 0 to 8192 [pid 5083] lstat("./39/cgroup", [pid 6023] <... set_robust_list resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./39/cgroup" [pid 5079] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... unlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... openat resumed>) = 3 [pid 5083] lstat("./39/cgroup.net", [pid 5079] fstat(3, [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] unlink("./39/cgroup.net" [pid 5079] getdents64(3, [pid 5083] <... unlink resumed>) = 0 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./40/binderfs") = 0 [pid 5079] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./40/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] unlink("./40/cgroup") = 0 [pid 5079] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./40/cgroup.net") = 0 [pid 5079] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6019] <... ioctl resumed>) = 0 [pid 6019] close(3) = 0 [pid 6019] mkdir("./file0", 0777 [ 129.532991][ T6015] 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 [ 129.558628][ T6014] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 129.569891][ T6014] REISERFS (device loop4): using ordered data mode [ 129.576755][ T6014] reiserfs: using flush barriers [pid 6023] memfd_create("syzkaller", 0 [pid 6019] <... mkdir resumed>) = 0 [pid 6023] <... memfd_create resumed>) = 3 [pid 6023] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 129.583670][ T6015] REISERFS (device loop0): checking transaction log (loop0) [ 129.585841][ T6014] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 129.613935][ T6015] REISERFS (device loop0): Using r5 hash to sort names [ 129.623996][ T6015] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6019] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6023] <... mmap resumed>) = 0x7f87c00f0000 [pid 6015] <... mount resumed>) = 0 [pid 6015] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6015] chdir("./file0") = 0 [pid 6015] ioctl(4, LOOP_CLR_FD) = 0 [ 129.635065][ T6014] REISERFS (device loop4): checking transaction log (loop4) [ 129.639589][ T6015] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 129.678000][ T6019] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6015] close(4) = 0 [pid 6015] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6015] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] <... futex resumed>) = 0 [pid 6012] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = 0 [pid 6012] <... futex resumed>) = 1 [pid 6015] mkdir("./file1", 000) = 0 [pid 6015] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] <... futex resumed>) = 0 [pid 6015] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = 0 [pid 6012] <... futex resumed>) = 1 [pid 6015] mkdir("./bus", 000) = 0 [pid 6012] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6015] <... futex resumed>) = 0 [pid 6015] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = 0 [pid 6012] <... futex resumed>) = 1 [pid 6015] mkdir("./file0", 000) = 0 [pid 6012] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6015] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6014] <... mount resumed>) = 0 [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6014] chdir("./file0") = 0 [pid 6014] ioctl(4, LOOP_CLR_FD [pid 6012] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... ioctl resumed>) = 0 [pid 6014] close(4) = 0 [pid 6015] <... futex resumed>) = 0 [ 129.692470][ T6014] REISERFS (device loop4): Using r5 hash to sort names [ 129.696931][ T6019] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 129.706297][ T6014] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 129.725282][ T6014] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 6014] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = 1 [pid 6015] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6012] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... umount2 resumed>) = 0 [pid 6023] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6014] <... futex resumed>) = 1 [pid 6013] <... futex resumed>) = 0 [pid 5079] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6014] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [ 129.748868][ T6019] REISERFS (device loop5): using ordered data mode [ 129.756517][ T6019] reiserfs: using flush barriers [ 129.786964][ T6015] overlayfs: upper fs needs to support d_type. [pid 6013] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... futex resumed>) = 0 [pid 6013] <... futex resumed>) = 1 [pid 5083] <... umount2 resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6014] mkdir("./file1", 000) = 0 [pid 6014] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6014] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./40/file0", [pid 6023] <... write resumed>) = 4194304 [pid 6013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6023] munmap(0x7f87c00f0000, 4194304 [pid 6013] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] lstat("./39/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6023] <... munmap resumed>) = 0 [pid 6014] <... futex resumed>) = 0 [pid 6013] <... futex resumed>) = 1 [pid 5083] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6014] mkdir("./bus", 000) = 0 [pid 6014] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6013] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6014] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6023] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6013] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5083] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6014] <... futex resumed>) = 0 [pid 6013] <... futex resumed>) = 1 [pid 6014] mkdir("./file0", 000 [pid 6013] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... openat resumed>) = 4 [pid 5079] <... openat resumed>) = 4 [pid 6023] <... openat resumed>) = 4 [pid 6014] <... mkdir resumed>) = 0 [pid 6012] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] fstat(4, [pid 6014] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6014] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] ioctl(4, LOOP_SET_FD, 3 [pid 6013] <... futex resumed>) = 0 [pid 6012] <... futex resumed>) = 0 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 129.793331][ T6015] overlayfs: upper fs does not support tmpfile. [ 129.806289][ T6019] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 129.813324][ T6015] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5079] fstat(4, [pid 6013] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] getdents64(4, [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6014] <... futex resumed>) = 0 [pid 6013] <... futex resumed>) = 1 [pid 6014] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6023] <... ioctl resumed>) = 0 [pid 6015] <... mount resumed>) = 0 [pid 6013] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 129.848455][ T6023] loop3: detected capacity change from 0 to 8192 [ 129.860067][ T6014] overlayfs: upper fs needs to support d_type. [ 129.863481][ T6019] REISERFS (device loop5): checking transaction log (loop5) [ 129.866690][ T6014] overlayfs: upper fs does not support tmpfile. [ 129.875948][ T6019] REISERFS (device loop5): Using r5 hash to sort names [pid 6012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] getdents64(4, [pid 6023] close(3 [pid 6015] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... mmap resumed>) = 0x7f87c04cf000 [pid 5083] getdents64(4, [pid 6023] <... close resumed>) = 0 [pid 6015] <... futex resumed>) = 0 [pid 6012] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6023] mkdir("./file0", 0777 [pid 6015] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] <... mprotect resumed>) = 0 [pid 5083] close(4 [pid 5079] getdents64(4, [pid 6023] <... mkdir resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6012] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] rmdir("./39/file0" [pid 5079] close(4 [pid 5083] <... rmdir resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5079] rmdir("./40/file0"./strace-static-x86_64: Process 6025 attached [pid 6025] set_robust_list(0x7f87c04ef9e0, 24 [pid 5079] <... rmdir resumed>) = 0 [pid 6023] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6012] <... clone resumed>, parent_tid=[109], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 109 [pid 5083] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6025] <... set_robust_list resumed>) = 0 [pid 6025] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6012] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] lstat("./39/cgroup.cpu", [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 129.891761][ T6019] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 129.919818][ T6014] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 129.934374][ T6023] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6025] <... futex resumed>) = 0 [pid 6012] <... futex resumed>) = 1 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] lstat("./40/cgroup.cpu", [pid 6025] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6025] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5083] unlink("./39/cgroup.cpu" [pid 6012] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] unlink("./40/cgroup.cpu" [pid 5083] <... unlink resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6014] <... mount resumed>) = 0 [pid 6014] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6014] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] <... futex resumed>) = 0 [pid 5083] getdents64(3, [pid 5079] getdents64(3, [pid 6019] <... mount resumed>) = 0 [pid 6019] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6019] chdir("./file0") = 0 [pid 6019] ioctl(4, LOOP_CLR_FD) = 0 [pid 6019] close(4 [pid 6013] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6013] <... futex resumed>) = 1 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] close(3 [pid 6013] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] close(3 [pid 5079] <... close resumed>) = 0 [pid 6014] <... futex resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5079] rmdir("./40" [pid 6014] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 6014] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6019] <... close resumed>) = 0 [pid 6019] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] rmdir("./39" [pid 6019] <... futex resumed>) = 1 [pid 6019] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] <... rmdir resumed>) = 0 [pid 5083] <... rmdir resumed>) = 0 [ 129.947241][ T6019] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 129.957277][ T6025] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 129.987177][ T6023] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 5079] mkdir("./41", 0777 [pid 5083] mkdir("./40", 0777 [pid 5079] <... mkdir resumed>) = 0 [pid 5083] <... mkdir resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5079] <... openat resumed>) = 3 [pid 5083] <... openat resumed>) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] close(3 [pid 5083] close(3 [pid 5079] <... close resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6027 attached [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6027] set_robust_list(0x5555565af5e0, 24 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 113 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 115 ./strace-static-x86_64: Process 6028 attached [pid 6027] <... set_robust_list resumed>) = 0 [pid 6025] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6018] <... futex resumed>) = 0 [pid 6028] set_robust_list(0x5555565af5e0, 24 [pid 6025] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... set_robust_list resumed>) = 0 [pid 6018] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... futex resumed>) = 1 [pid 6028] chdir("./40" [pid 6027] chdir("./41" [pid 6025] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6019] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = 1 [pid 6028] <... chdir resumed>) = 0 [pid 6027] <... chdir resumed>) = 0 [pid 6019] mkdir("./file1", 000 [pid 6018] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6028] <... prctl resumed>) = 0 [pid 6027] setpgid(0, 0 [pid 6019] <... mkdir resumed>) = 0 [pid 6028] setpgid(0, 0 [pid 6027] <... setpgid resumed>) = 0 [pid 6019] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... setpgid resumed>) = 0 [pid 6027] symlink("/syzcgroup/unified/syz1", "./cgroup" [ 129.989572][ T6014] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 129.996768][ T6023] REISERFS (device loop3): using ordered data mode [ 130.019909][ T6023] reiserfs: using flush barriers [pid 6018] <... futex resumed>) = 0 [pid 6019] <... futex resumed>) = 1 [pid 6028] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6027] <... symlink resumed>) = 0 [pid 6014] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6027] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6027] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6027] write(3, "1000", 4) = 4 [pid 6027] close(3) = 0 [pid 6028] <... symlink resumed>) = 0 [pid 6027] read(200, [pid 6019] mkdir("./bus", 000 [pid 6018] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6027] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... symlink resumed>) = 0 [pid 6027] symlink("/dev/binderfs", "./binderfs" [pid 6028] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6027] <... symlink resumed>) = 0 [pid 6027] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... symlink resumed>) = 0 [pid 6027] <... futex resumed>) = 0 [pid 6027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6027] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6027] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6019] <... mkdir resumed>) = 0 [pid 6018] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6029 attached [pid 6019] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] set_robust_list(0x7f87c85109e0, 24 [pid 6027] <... clone resumed>, parent_tid=[116], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 116 [ 130.047266][ T6023] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 130.070286][ T6023] REISERFS (device loop3): checking transaction log (loop3) [ 130.081001][ T6023] REISERFS (device loop3): Using r5 hash to sort names [pid 6028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6019] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6029] <... set_robust_list resumed>) = 0 [pid 6027] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] mkdir("./file0", 000 [pid 6018] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] memfd_create("syzkaller", 0 [pid 6027] <... futex resumed>) = 0 [pid 6019] <... mkdir resumed>) = 0 [pid 6018] <... futex resumed>) = 0 [pid 6029] <... memfd_create resumed>) = 3 [pid 6027] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6019] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6028] <... openat resumed>) = 3 [pid 6019] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6029] <... mmap resumed>) = 0x7f87c00f0000 [pid 6019] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6018] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = 0 [pid 6028] write(3, "1000", 4 [pid 6023] <... mount resumed>) = 0 [pid 6014] <... futex resumed>) = 1 [pid 6028] <... write resumed>) = 4 [pid 6023] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6014] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] close(3 [pid 6023] <... openat resumed>) = 3 [pid 6015] <... futex resumed>) = 0 [pid 6012] <... futex resumed>) = 1 [pid 6028] <... close resumed>) = 0 [pid 6023] chdir("./file0" [pid 6015] unlink(NULL [pid 6012] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] read(200, [pid 6023] <... chdir resumed>) = 0 [pid 6015] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6028] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6023] ioctl(4, LOOP_CLR_FD [pid 6015] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] symlink("/dev/binderfs", "./binderfs" [pid 6023] <... ioctl resumed>) = 0 [pid 6015] <... futex resumed>) = 1 [pid 6012] <... futex resumed>) = 0 [pid 6028] <... symlink resumed>) = 0 [pid 6023] close(4 [pid 6015] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [ 130.089544][ T6023] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 130.104823][ T6023] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 130.119128][ T6019] overlayfs: upper fs needs to support d_type. [pid 6012] close(3 [pid 6029] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6028] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... close resumed>) = 0 [pid 6013] <... futex resumed>) = 0 [pid 6012] <... close resumed>) = 0 [pid 6012] close(4) = -1 EBADF (Bad file descriptor) [pid 6012] close(5 [pid 6028] <... futex resumed>) = 0 [pid 6023] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6023] <... futex resumed>) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6014] <... futex resumed>) = 0 [pid 6013] <... futex resumed>) = 1 [pid 6012] close(6 [pid 6028] <... mmap resumed>) = 0x7f87c84f0000 [pid 6023] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] unlink(NULL [pid 6013] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] close(7) = -1 EBADF (Bad file descriptor) [pid 6012] close(8) = -1 EBADF (Bad file descriptor) [pid 6012] close(9) = -1 EBADF (Bad file descriptor) [pid 6012] close(10) = -1 EBADF (Bad file descriptor) [pid 6028] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] <... futex resumed>) = 0 [pid 6014] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6012] close(11 [pid 6028] <... mprotect resumed>) = 0 [pid 6023] mkdir("./file1", 000 [pid 6020] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6014] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6023] <... mkdir resumed>) = 0 [pid 6014] <... futex resumed>) = 1 [pid 6013] <... futex resumed>) = 0 [pid 6012] close(12./strace-static-x86_64: Process 6030 attached [pid 6023] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] close(3 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] set_robust_list(0x7f87c85109e0, 24 [pid 6028] <... clone resumed>, parent_tid=[114], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 114 [pid 6023] <... futex resumed>) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6013] <... close resumed>) = 0 [pid 6012] close(13 [pid 6030] <... set_robust_list resumed>) = 0 [pid 6028] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... mount resumed>) = 0 [pid 6018] <... futex resumed>) = 0 [pid 6013] close(4 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] memfd_create("syzkaller", 0 [pid 6028] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] <... futex resumed>) = 0 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] close(14 [pid 6030] <... memfd_create resumed>) = 3 [pid 6028] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6023] mkdir("./bus", 000 [pid 6020] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] close(5 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6023] <... mkdir resumed>) = 0 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] close(15 [pid 6030] <... mmap resumed>) = 0x7f87c00f0000 [pid 6023] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] close(6 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] close(16 [pid 6023] <... futex resumed>) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] close(7 [pid 6012] close(17 [pid 6023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] <... futex resumed>) = 0 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] mkdir("./file0", 000 [pid 6020] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] close(8 [pid 6012] close(18 [pid 6023] <... mkdir resumed>) = 0 [pid 6019] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 130.146172][ T6019] overlayfs: upper fs does not support tmpfile. [ 130.157918][ T6019] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6023] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] mkdir(".", 0777 [pid 6018] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] close(9 [pid 6012] close(19 [pid 6023] <... futex resumed>) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6019] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6018] <... futex resumed>) = 0 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6018] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6013] close(10 [pid 6012] close(20 [pid 6023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] <... futex resumed>) = 0 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6020] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] close(11 [pid 6012] close(21) = -1 EBADF (Bad file descriptor) [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] close(22) = -1 EBADF (Bad file descriptor) [pid 6012] close(23) = -1 EBADF (Bad file descriptor) [pid 6012] close(24) = -1 EBADF (Bad file descriptor) [pid 6012] close(25) = -1 EBADF (Bad file descriptor) [pid 6012] close(26 [pid 6013] close(12 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] close(27 [pid 6013] close(13 [pid 6012] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6012] close(28) = -1 EBADF (Bad file descriptor) [pid 6012] close(29) = -1 EBADF (Bad file descriptor) [pid 6012] exit_group(0 [pid 6015] <... futex resumed>) = ? [pid 6012] <... exit_group resumed>) = ? [pid 6015] +++ exited with 0 +++ [pid 6019] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6025] <... futex resumed>) = ? [pid 6013] close(14 [pid 6019] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] +++ exited with 0 +++ [pid 6018] <... futex resumed>) = 0 [pid 6012] +++ exited with 0 +++ [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] close(15) = -1 EBADF (Bad file descriptor) [pid 6013] close(16) = -1 EBADF (Bad file descriptor) [pid 6013] close(17 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=107, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] close(18) = -1 EBADF (Bad file descriptor) [pid 6013] close(19) = -1 EBADF (Bad file descriptor) [pid 6013] close(20) = -1 EBADF (Bad file descriptor) [pid 6013] close(21 [pid 5078] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6013] close(22 [pid 5078] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6030] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5078] <... openat resumed>) = 3 [pid 6013] close(23 [pid 5078] fstat(3, [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6019] <... futex resumed>) = 1 [pid 6018] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] close(24 [pid 5078] getdents64(3, [pid 6019] unlink(NULL [pid 6018] <... futex resumed>) = 0 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [ 130.226719][ T6019] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 130.246671][ T6023] overlayfs: upper fs needs to support d_type. [ 130.256631][ T6023] overlayfs: upper fs does not support tmpfile. [pid 6019] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6018] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] close(25 [pid 5078] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6019] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6019] <... futex resumed>) = 1 [pid 6018] <... futex resumed>) = 0 [pid 5078] lstat("./39/binderfs", [pid 6019] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] close(3 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6018] <... close resumed>) = 0 [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./39/binderfs" [pid 6029] <... write resumed>) = 4194304 [pid 6018] close(4 [pid 6013] close(26 [pid 5078] <... unlink resumed>) = 0 [pid 6029] munmap(0x7f87c00f0000, 4194304 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6029] <... munmap resumed>) = 0 [pid 6018] close(5 [pid 6013] close(27 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6029] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./39/cgroup", [pid 6029] <... openat resumed>) = 4 [pid 6020] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6018] close(6 [pid 6013] close(28 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6029] ioctl(4, LOOP_SET_FD, 3 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./39/cgroup" [pid 6020] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] close(7 [pid 6013] close(29 [pid 5078] <... unlink resumed>) = 0 [pid 6020] <... futex resumed>) = 0 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6029] <... ioctl resumed>) = 0 [pid 6020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6018] close(8 [pid 6013] exit_group(0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6029] close(3 [pid 6020] <... mmap resumed>) = 0x7f87c04cf000 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6014] <... futex resumed>) = ? [pid 6013] <... exit_group resumed>) = ? [pid 5078] lstat("./39/cgroup.net", [pid 6029] <... close resumed>) = 0 [pid 6023] <... mount resumed>) = 0 [pid 6020] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6018] close(9 [pid 6014] +++ exited with 0 +++ [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6029] mkdir("./file0", 0777 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] +++ exited with 0 +++ [pid 5078] unlink("./39/cgroup.net" [pid 6029] <... mkdir resumed>) = 0 [pid 6023] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... mprotect resumed>) = 0 [pid 6018] close(10 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=111, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5078] <... unlink resumed>) = 0 [pid 6029] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6023] <... futex resumed>) = 0 [pid 6020] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 130.284779][ T6023] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 130.305183][ T6029] loop1: detected capacity change from 0 to 8192 [pid 5078] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6032 attached [pid 6023] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] close(11 [pid 6032] set_robust_list(0x7f87c04ef9e0, 24 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6032] <... set_robust_list resumed>) = 0 [pid 6018] close(12 [pid 6032] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] close(13) = -1 EBADF (Bad file descriptor) [pid 6018] close(14) = -1 EBADF (Bad file descriptor) [pid 6018] close(15) = -1 EBADF (Bad file descriptor) [pid 6018] close(16) = -1 EBADF (Bad file descriptor) [pid 6018] close(17) = -1 EBADF (Bad file descriptor) [pid 6018] close(18) = -1 EBADF (Bad file descriptor) [pid 6018] close(19) = -1 EBADF (Bad file descriptor) [pid 6018] close(20) = -1 EBADF (Bad file descriptor) [pid 6018] close(21) = -1 EBADF (Bad file descriptor) [pid 6018] close(22) = -1 EBADF (Bad file descriptor) [pid 6018] close(23) = -1 EBADF (Bad file descriptor) [pid 6018] close(24 [pid 6020] <... clone resumed>, parent_tid=[121], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 121 [pid 6018] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6018] close(25) = -1 EBADF (Bad file descriptor) [pid 6018] close(26) = -1 EBADF (Bad file descriptor) [pid 6018] close(27) = -1 EBADF (Bad file descriptor) [pid 6018] close(28) = -1 EBADF (Bad file descriptor) [pid 6018] close(29) = -1 EBADF (Bad file descriptor) [pid 6018] exit_group(0 [pid 6019] <... futex resumed>) = ? [pid 6018] <... exit_group resumed>) = ? [pid 6030] <... write resumed>) = 4194304 [pid 6020] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] +++ exited with 0 +++ [pid 6018] +++ exited with 0 +++ [pid 6030] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6030] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6032] <... futex resumed>) = 0 [pid 6030] <... openat resumed>) = 4 [pid 6020] <... futex resumed>) = 1 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=115, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5080] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [ 130.336490][ T6029] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 130.361984][ T6029] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 130.374472][ T6029] REISERFS (device loop1): using ordered data mode [pid 6032] mkdir(".", 0777 [pid 6030] ioctl(4, LOOP_SET_FD, 3 [pid 6032] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6020] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6032] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6030] <... ioctl resumed>) = 0 [pid 5080] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6030] close(3 [pid 5082] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... openat resumed>) = 3 [pid 6030] <... close resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] fstat(3, [pid 5078] <... umount2 resumed>) = 0 [pid 5082] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... openat resumed>) = 3 [pid 5080] getdents64(3, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] fstat(3, [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] lstat("./39/file0", [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(3, [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5080] lstat("./41/binderfs", [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] unlink("./41/binderfs" [pid 5078] <... openat resumed>) = 4 [pid 5082] lstat("./40/binderfs", [pid 5080] <... unlink resumed>) = 0 [pid 5078] fstat(4, [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] unlink("./40/binderfs" [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] getdents64(4, [pid 5082] <... unlink resumed>) = 0 [pid 5080] lstat("./41/cgroup", [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] getdents64(4, [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] unlink("./41/cgroup" [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] lstat("./40/cgroup", [pid 5080] <... unlink resumed>) = 0 [pid 5078] close(4 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 [pid 5082] unlink("./40/cgroup" [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] rmdir("./39/file0" [pid 5082] <... unlink resumed>) = 0 [pid 5080] lstat("./41/cgroup.net", [pid 5078] <... rmdir resumed>) = 0 [pid 5082] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] unlink("./41/cgroup.net" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./40/cgroup.net", [pid 5080] <... unlink resumed>) = 0 [pid 5078] lstat("./39/cgroup.cpu", [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./40/cgroup.net" [pid 5078] unlink("./39/cgroup.cpu" [pid 5082] <... unlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5082] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] close(3 [pid 6030] mkdir("./file0", 0777 [pid 5078] <... close resumed>) = 0 [pid 5078] rmdir("./39") = 0 [pid 5078] mkdir("./40", 0777 [pid 6030] <... mkdir resumed>) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6030] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 130.382105][ T6029] reiserfs: using flush barriers [ 130.385189][ T6030] loop2: detected capacity change from 0 to 8192 [ 130.413033][ T6029] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5078] close(3) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565af5d0) = 110 ./strace-static-x86_64: Process 6033 attached [pid 6033] set_robust_list(0x5555565af5e0, 24) = 0 [pid 6033] chdir("./40") = 0 [pid 6033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6033] setpgid(0, 0) = 0 [pid 6033] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6033] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6033] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6033] write(3, "1000", 4) = 4 [pid 6033] close(3) = 0 [pid 6033] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6033] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6033] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6033] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6033] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[111], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 111 [pid 6033] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6033] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6032] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6032] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6035 attached ) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6032] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... futex resumed>) = 0 [pid 6020] <... futex resumed>) = 1 [pid 6023] unlink(NULL [pid 6020] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6023] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6023] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] close(3) = 0 [pid 6020] close(4) = -1 EBADF (Bad file descriptor) [pid 6020] close(5) = -1 EBADF (Bad file descriptor) [ 130.452663][ T6029] REISERFS (device loop1): checking transaction log (loop1) [ 130.472059][ T6032] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6020] close(6) = -1 EBADF (Bad file descriptor) [pid 6020] close(7) = -1 EBADF (Bad file descriptor) [pid 6020] close(8) = -1 EBADF (Bad file descriptor) [pid 6020] close(9) = -1 EBADF (Bad file descriptor) [pid 6020] close(10) = -1 EBADF (Bad file descriptor) [pid 6020] close(11) = -1 EBADF (Bad file descriptor) [pid 6020] close(12) = -1 EBADF (Bad file descriptor) [pid 6020] close(13) = -1 EBADF (Bad file descriptor) [pid 6020] close(14 [pid 6035] set_robust_list(0x7f87c85109e0, 24 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6020] close(15 [pid 6035] <... set_robust_list resumed>) = 0 [pid 6035] memfd_create("syzkaller", 0 [pid 6020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6035] <... memfd_create resumed>) = 3 [pid 6035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6020] close(16) = -1 EBADF (Bad file descriptor) [pid 6020] close(17) = -1 EBADF (Bad file descriptor) [pid 6020] close(18) = -1 EBADF (Bad file descriptor) [pid 6020] close(19) = -1 EBADF (Bad file descriptor) [pid 6020] close(20) = -1 EBADF (Bad file descriptor) [pid 6020] close(21) = -1 EBADF (Bad file descriptor) [pid 6020] close(22) = -1 EBADF (Bad file descriptor) [pid 6020] close(23) = -1 EBADF (Bad file descriptor) [pid 6020] close(24) = -1 EBADF (Bad file descriptor) [pid 6020] close(25) = -1 EBADF (Bad file descriptor) [pid 6020] close(26) = -1 EBADF (Bad file descriptor) [pid 6020] close(27) = -1 EBADF (Bad file descriptor) [ 130.494524][ T6030] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 130.511540][ T6029] REISERFS (device loop1): Using r5 hash to sort names [ 130.520339][ T6030] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 6020] close(28) = -1 EBADF (Bad file descriptor) [pid 6029] <... mount resumed>) = 0 [pid 6029] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6020] close(29) = -1 EBADF (Bad file descriptor) [pid 6020] exit_group(0 [pid 6029] <... openat resumed>) = 3 [pid 6029] chdir("./file0") = 0 [pid 6029] ioctl(4, LOOP_CLR_FD) = 0 [pid 6029] close(4 [pid 6032] <... futex resumed>) = ? [pid 6029] <... close resumed>) = 0 [pid 6023] <... futex resumed>) = ? [pid 6020] <... exit_group resumed>) = ? [pid 6023] +++ exited with 0 +++ [pid 6032] +++ exited with 0 +++ [pid 6029] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] +++ exited with 0 +++ [pid 6027] <... futex resumed>) = 0 [pid 6029] <... futex resumed>) = 1 [pid 6027] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] mkdir("./file1", 000 [pid 6027] <... futex resumed>) = 0 [pid 6027] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6029] <... mkdir resumed>) = 0 [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=119, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 6029] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... futex resumed>) = 0 [pid 6029] <... futex resumed>) = 1 [pid 6029] mkdir("./bus", 000 [pid 6027] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6027] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6035] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6029] <... mkdir resumed>) = 0 [pid 5081] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6029] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6029] <... futex resumed>) = 1 [pid 6027] <... futex resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6029] mkdir("./file0", 000 [ 130.549118][ T6029] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 130.569383][ T6029] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 130.587301][ T6030] REISERFS (device loop2): using ordered data mode [ 130.595621][ T6030] reiserfs: using flush barriers [pid 6027] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... openat resumed>) = 3 [pid 6027] <... futex resumed>) = 0 [pid 6029] <... mkdir resumed>) = 0 [pid 6027] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] fstat(3, [pid 6029] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6029] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6029] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] getdents64(3, [pid 6029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6027] <... futex resumed>) = 0 [pid 6029] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6027] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] unlink("./41/binderfs") = 0 [pid 5081] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] unlink("./41/cgroup") = 0 [pid 5081] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./41/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./41/cgroup.net") = 0 [ 130.624861][ T6030] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 130.650874][ T6029] overlayfs: upper fs needs to support d_type. [pid 5081] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... umount2 resumed>) = 0 [pid 5082] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... umount2 resumed>) = 0 [pid 5080] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./40/file0", [pid 5080] lstat("./41/file0", [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] <... openat resumed>) = 4 [pid 5082] fstat(4, [pid 5080] <... openat resumed>) = 4 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6027] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5082] getdents64(4, [ 130.697760][ T6029] overlayfs: upper fs does not support tmpfile. [ 130.727533][ T6030] REISERFS (device loop2): checking transaction log (loop2) [ 130.739393][ T6030] REISERFS (device loop2): Using r5 hash to sort names [pid 6027] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6027] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6027] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6036 attached [pid 6036] set_robust_list(0x7f87c04ef9e0, 24 [pid 6027] <... clone resumed>, parent_tid=[117], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 117 [pid 6036] <... set_robust_list resumed>) = 0 [pid 6027] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] mkdir(".", 0777 [pid 6027] <... futex resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] getdents64(4, [pid 5080] fstat(4, [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6036] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6027] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] close(4 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] <... close resumed>) = 0 [pid 5082] rmdir("./40/file0" [pid 5080] getdents64(4, [pid 6036] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5082] <... rmdir resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] getdents64(4, [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] lstat("./40/cgroup.cpu", [pid 5080] close(4 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./40/cgroup.cpu" [pid 5080] <... close resumed>) = 0 [pid 6035] <... write resumed>) = 4194304 [pid 6035] munmap(0x7f87c00f0000, 4194304 [pid 5082] <... unlink resumed>) = 0 [pid 5080] rmdir("./41/file0" [pid 5082] getdents64(3, [pid 5080] <... rmdir resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] close(3 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... close resumed>) = 0 [pid 5080] lstat("./41/cgroup.cpu", [pid 5082] rmdir("./40" [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] <... rmdir resumed>) = 0 [pid 5080] unlink("./41/cgroup.cpu" [pid 5082] mkdir("./41", 0777 [pid 5080] <... unlink resumed>) = 0 [pid 5082] <... mkdir resumed>) = 0 [pid 5080] getdents64(3, [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5080] close(3 [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5080] <... close resumed>) = 0 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5080] rmdir("./41" [ 130.748282][ T6029] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 130.767645][ T6030] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5082] close(3 [pid 6029] <... mount resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5081] <... umount2 resumed>) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 6035] <... munmap resumed>) = 0 [pid 6035] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6035] ioctl(4, LOOP_SET_FD, 3 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] mkdir("./42", 0777 [pid 6035] <... ioctl resumed>) = 0 [pid 6035] close(3) = 0 [pid 6035] mkdir("./file0", 0777) = 0 [pid 6035] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, ""./strace-static-x86_64: Process 6037 attached [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6037] set_robust_list(0x5555565af5e0, 24 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 117 [pid 5081] lstat("./41/file0", [pid 5080] <... mkdir resumed>) = 0 [pid 6036] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6030] <... mount resumed>) = 0 [pid 6029] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6029] <... futex resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6036] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... set_robust_list resumed>) = 0 [pid 5081] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... openat resumed>) = 3 [pid 6036] <... futex resumed>) = 1 [pid 6030] <... openat resumed>) = 3 [pid 6029] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] ioctl(3, LOOP_CLR_FD [pid 6037] chdir("./41" [pid 6036] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6030] chdir("./file0" [pid 6027] <... futex resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6030] <... chdir resumed>) = 0 [pid 5081] <... openat resumed>) = 4 [pid 5080] close(3 [pid 6037] <... chdir resumed>) = 0 [pid 6030] ioctl(4, LOOP_CLR_FD [pid 6027] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] fstat(4, [pid 6037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6037] setpgid(0, 0) = 0 [pid 6037] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 6037] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 6037] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [ 130.805214][ T6036] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 130.815084][ T6035] loop0: detected capacity change from 0 to 8192 [ 130.820956][ T6030] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 6037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6037] write(3, "1000", 4) = 4 [pid 6037] close(3) = 0 [pid 6037] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] <... ioctl resumed>) = 0 [pid 6029] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = 1 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... close resumed>) = 0 [pid 6037] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6037] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6037] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6030] close(4 [pid 6029] unlink(NULL [pid 6027] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] getdents64(4, [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6037] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6030] <... close resumed>) = 0 [pid 6029] <... unlink resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 6039 attached ./strace-static-x86_64: Process 6040 attached [pid 6039] set_robust_list(0x7f87c85109e0, 24 [pid 6037] <... clone resumed>, parent_tid=[118], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 118 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 113 [pid 6040] set_robust_list(0x5555565af5e0, 24 [pid 6039] <... set_robust_list resumed>) = 0 [pid 6037] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... set_robust_list resumed>) = 0 [pid 6039] memfd_create("syzkaller", 0 [pid 6037] <... futex resumed>) = 0 [pid 6030] <... futex resumed>) = 1 [pid 6029] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = 0 [pid 5081] getdents64(4, [pid 6039] <... memfd_create resumed>) = 3 [pid 6037] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6039] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 130.847363][ T6035] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 130.862612][ T6035] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 130.873747][ T6035] REISERFS (device loop0): using ordered data mode [ 130.887426][ T6035] reiserfs: using flush barriers [pid 6040] chdir("./42" [pid 6030] mkdir("./file1", 000 [pid 6028] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] close(3 [pid 6029] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6028] <... futex resumed>) = 0 [pid 5081] close(4 [pid 6030] <... mkdir resumed>) = 0 [pid 6027] <... close resumed>) = 0 [pid 6040] <... chdir resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 6027] close(4 [pid 5081] rmdir("./41/file0" [pid 6040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6030] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6040] <... prctl resumed>) = 0 [pid 6030] <... futex resumed>) = 0 [pid 6028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] <... rmdir resumed>) = 0 [pid 6027] close(5 [pid 6040] setpgid(0, 0 [pid 6030] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6040] <... setpgid resumed>) = 0 [pid 6030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 [pid 6027] close(6 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6040] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6030] mkdir("./bus", 000 [pid 6028] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./41/cgroup.cpu", [pid 6040] <... symlink resumed>) = 0 [pid 6030] <... mkdir resumed>) = 0 [pid 6040] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6030] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] close(7 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 130.895313][ T6035] 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 [ 130.917216][ T6035] REISERFS (device loop0): checking transaction log (loop0) [ 130.932140][ T6035] REISERFS (device loop0): Using r5 hash to sort names [pid 6039] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6040] <... symlink resumed>) = 0 [pid 6030] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] unlink("./41/cgroup.cpu" [pid 6028] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] close(8 [pid 5081] <... unlink resumed>) = 0 [pid 6040] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6030] mkdir("./file0", 000 [pid 6028] <... futex resumed>) = 0 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(3, [pid 6040] <... symlink resumed>) = 0 [pid 6028] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] <... mkdir resumed>) = 0 [pid 6027] close(9 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6030] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 6040] <... openat resumed>) = 3 [pid 6030] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 6027] close(10 [pid 6040] write(3, "1000", 4 [pid 6030] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 6040] <... write resumed>) = 4 [pid 6030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] <... futex resumed>) = 0 [pid 6027] close(11 [pid 6035] <... mount resumed>) = 0 [pid 5081] rmdir("./41" [pid 6040] close(3) = 0 [pid 6040] read(200, [pid 6028] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6040] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6027] close(12 [pid 5081] <... rmdir resumed>) = 0 [pid 6040] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] mkdir("./42", 0777 [pid 6040] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] close(13 [pid 6040] <... futex resumed>) = 0 [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6040] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6040] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6041 attached [pid 6035] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6041] set_robust_list(0x7f87c85109e0, 24 [pid 6040] <... clone resumed>, parent_tid=[114], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 114 [pid 6035] <... openat resumed>) = 3 [pid 6041] <... set_robust_list resumed>) = 0 [pid 6040] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] chdir("./file0" [pid 6041] memfd_create("syzkaller", 0 [pid 6040] <... futex resumed>) = 0 [pid 6035] <... chdir resumed>) = 0 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... mkdir resumed>) = 0 [pid 6041] <... memfd_create resumed>) = 3 [pid 6040] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6035] ioctl(4, LOOP_CLR_FD [pid 6027] close(14 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6035] <... ioctl resumed>) = 0 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] <... mmap resumed>) = 0x7f87c00f0000 [ 130.947247][ T6035] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 130.962869][ T6035] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 130.983179][ T6030] overlayfs: upper fs needs to support d_type. [pid 6035] close(4 [pid 6027] close(15 [pid 5081] <... openat resumed>) = 3 [pid 6035] <... close resumed>) = 0 [pid 6039] <... write resumed>) = 4194304 [pid 6035] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] ioctl(3, LOOP_CLR_FD [pid 6035] <... futex resumed>) = 1 [pid 6033] <... futex resumed>) = 0 [pid 6028] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] close(16 [pid 6039] munmap(0x7f87c00f0000, 4194304 [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6033] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... futex resumed>) = 0 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6035] mkdir("./file1", 000 [pid 6033] <... futex resumed>) = 0 [pid 6027] close(17 [pid 5081] close(3 [pid 6039] <... munmap resumed>) = 0 [pid 6035] <... mkdir resumed>) = 0 [pid 6033] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 6039] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6035] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] <... mount resumed>) = 0 [pid 6028] <... mmap resumed>) = 0x7f87c04cf000 [pid 6027] close(18 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6039] <... openat resumed>) = 4 [pid 6035] <... futex resumed>) = 0 [pid 6033] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6035] mkdir("./bus", 000./strace-static-x86_64: Process 6042 attached [ 131.007045][ T6030] overlayfs: upper fs does not support tmpfile. [ 131.017540][ T6030] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6041] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6039] ioctl(4, LOOP_SET_FD, 3 [pid 6035] <... mkdir resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 6030] <... futex resumed>) = 0 [pid 6028] <... mprotect resumed>) = 0 [pid 6027] close(19 [pid 6042] set_robust_list(0x5555565af5e0, 24 [pid 6035] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6035] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6033] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] <... set_robust_list resumed>) = 0 [pid 6039] <... ioctl resumed>) = 0 [pid 6033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 122 [pid 6042] chdir("./42"./strace-static-x86_64: Process 6043 attached ) = 0 [pid 6039] close(3 [pid 6033] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] close(20 [pid 6043] set_robust_list(0x7f87c04ef9e0, 24 [pid 6042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6039] <... close resumed>) = 0 [pid 6035] <... futex resumed>) = 0 [pid 6033] <... futex resumed>) = 1 [pid 6028] <... clone resumed>, parent_tid=[115], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 115 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6043] <... set_robust_list resumed>) = 0 [pid 6042] <... prctl resumed>) = 0 [pid 6039] mkdir("./file0", 0777 [pid 6035] mkdir("./file0", 000 [pid 6033] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] close(21 [pid 6043] mkdir(".", 0777 [pid 6042] setpgid(0, 0 [pid 6039] <... mkdir resumed>) = 0 [pid 6035] <... mkdir resumed>) = 0 [pid 6028] <... futex resumed>) = 0 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6043] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6042] <... setpgid resumed>) = 0 [pid 6039] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6035] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6027] close(22 [pid 6043] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6042] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6035] <... futex resumed>) = 1 [pid 6033] <... futex resumed>) = 0 [pid 6042] <... symlink resumed>) = 0 [pid 6035] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6033] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6027] close(23 [pid 6033] <... futex resumed>) = 0 [ 131.070092][ T6039] loop5: detected capacity change from 0 to 8192 [ 131.100981][ T6039] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6042] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6033] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... symlink resumed>) = 0 [pid 6027] close(24) = -1 EBADF (Bad file descriptor) [pid 6027] close(25 [pid 6042] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... symlink resumed>) = 0 [pid 6027] close(26 [pid 6042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6043] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 131.116101][ T6039] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 131.116221][ T6043] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 131.128371][ T6039] REISERFS (device loop5): using ordered data mode [ 131.145133][ T6035] overlayfs: upper fs needs to support d_type. [ 131.152831][ T6039] reiserfs: using flush barriers [pid 6043] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... openat resumed>) = 3 [pid 6027] close(27 [pid 6042] write(3, "1000", 4 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... write resumed>) = 4 [pid 6027] close(28 [pid 6042] close(3 [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... close resumed>) = 0 [pid 6027] close(29 [pid 6042] read(200, [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6027] exit_group(0 [pid 6042] symlink("/dev/binderfs", "./binderfs" [pid 6027] <... exit_group resumed>) = ? [pid 6042] <... symlink resumed>) = 0 [pid 6036] <... futex resumed>) = ? [pid 6029] <... futex resumed>) = ? [pid 6042] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] +++ exited with 0 +++ [pid 6042] <... futex resumed>) = 0 [pid 6042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6029] +++ exited with 0 +++ [pid 6027] +++ exited with 0 +++ [pid 6042] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=115, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 6042] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6041] <... write resumed>) = 4194304 [pid 6035] <... mount resumed>) = 0 [pid 5079] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6042] <... clone resumed>, parent_tid=[123], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 123 [pid 6042] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6041] munmap(0x7f87c00f0000, 4194304 [pid 5079] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6042] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6041] <... munmap resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 131.168350][ T6035] overlayfs: upper fs does not support tmpfile. [ 131.169856][ T6039] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 131.177502][ T6035] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5079] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6041] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5079] <... openat resumed>) = 3 [pid 6041] <... openat resumed>) = 4 [pid 5079] fstat(3, [pid 6041] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6045 attached [pid 6043] <... futex resumed>) = 1 [pid 6035] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6028] <... futex resumed>) = 0 [pid 6045] set_robust_list(0x7f87c85109e0, 24 [pid 6043] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] <... futex resumed>) = 0 [pid 6033] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... set_robust_list resumed>) = 0 [pid 6035] mkdir(".", 0777 [pid 6033] <... futex resumed>) = 0 [pid 6030] <... futex resumed>) = 0 [pid 6028] <... futex resumed>) = 1 [pid 6045] memfd_create("syzkaller", 0 [pid 6035] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6033] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6030] unlink(NULL [pid 6028] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] <... memfd_create resumed>) = 3 [pid 6041] <... ioctl resumed>) = 0 [pid 6035] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6030] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5079] getdents64(3, [pid 6045] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6041] close(3 [pid 6030] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] <... mmap resumed>) = 0x7f87c00f0000 [pid 6030] <... futex resumed>) = 1 [pid 6028] <... futex resumed>) = 0 [pid 6041] <... close resumed>) = 0 [pid 6030] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] close(3 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6028] <... close resumed>) = 0 [pid 6028] close(4) = -1 EBADF (Bad file descriptor) [pid 6028] close(5) = -1 EBADF (Bad file descriptor) [pid 6028] close(6) = -1 EBADF (Bad file descriptor) [pid 6028] close(7) = -1 EBADF (Bad file descriptor) [pid 6028] close(8) = -1 EBADF (Bad file descriptor) [ 131.215773][ T6039] REISERFS (device loop5): checking transaction log (loop5) [ 131.225403][ T6041] loop4: detected capacity change from 0 to 8192 [ 131.235914][ T6039] REISERFS (device loop5): Using r5 hash to sort names [ 131.252649][ T6035] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6028] close(9) = -1 EBADF (Bad file descriptor) [pid 6041] mkdir("./file0", 0777 [pid 6028] close(10 [pid 5079] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(11) = -1 EBADF (Bad file descriptor) [pid 6028] close(12) = -1 EBADF (Bad file descriptor) [pid 6028] close(13) = -1 EBADF (Bad file descriptor) [pid 6028] close(14) = -1 EBADF (Bad file descriptor) [pid 6028] close(15) = -1 EBADF (Bad file descriptor) [pid 6028] close(16) = -1 EBADF (Bad file descriptor) [pid 6028] close(17 [pid 6041] <... mkdir resumed>) = 0 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6041] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6028] close(18 [pid 5079] lstat("./41/binderfs", [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6028] close(19) = -1 EBADF (Bad file descriptor) [pid 6028] close(20 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./41/binderfs" [pid 6028] close(21) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 6028] close(22 [pid 5079] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6028] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6028] close(23) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./41/cgroup", [pid 6028] close(24) = -1 EBADF (Bad file descriptor) [pid 6028] close(25) = -1 EBADF (Bad file descriptor) [pid 6028] close(26) = -1 EBADF (Bad file descriptor) [pid 6028] close(27) = -1 EBADF (Bad file descriptor) [pid 6028] close(28) = -1 EBADF (Bad file descriptor) [pid 6028] close(29) = -1 EBADF (Bad file descriptor) [pid 6028] exit_group(0 [pid 6043] <... futex resumed>) = ? [pid 6030] <... futex resumed>) = ? [pid 6028] <... exit_group resumed>) = ? [pid 6043] +++ exited with 0 +++ [pid 6030] +++ exited with 0 +++ [pid 6028] +++ exited with 0 +++ [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=113, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- [ 131.278797][ T6041] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 131.286521][ T6039] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 131.296287][ T6041] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 6045] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6035] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6035] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6033] <... futex resumed>) = 0 [pid 6035] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6033] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6033] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6035] unlink(NULL [pid 6033] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6035] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5083] <... openat resumed>) = 3 [pid 6035] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] fstat(3, [pid 6035] <... futex resumed>) = 1 [pid 6033] <... futex resumed>) = 0 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6035] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6033] close(3 [pid 5083] getdents64(3, [pid 6033] <... close resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6033] close(4 [pid 5083] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6033] close(5 [pid 5083] lstat("./40/binderfs", [pid 6033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6033] close(6 [pid 5083] unlink("./40/binderfs" [pid 6033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 6033] close(7 [pid 5083] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6033] close(8 [pid 5083] lstat("./40/cgroup", [pid 6033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6033] close(9 [pid 5083] unlink("./40/cgroup" [pid 6033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 6033] close(10 [pid 5083] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6033] close(11 [pid 5083] lstat("./40/cgroup.net", [pid 6033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6033] close(12 [pid 5083] unlink("./40/cgroup.net" [pid 6033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 6033] close(13 [pid 5083] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6033] close(14) = -1 EBADF (Bad file descriptor) [pid 6033] close(15) = -1 EBADF (Bad file descriptor) [pid 6033] close(16) = -1 EBADF (Bad file descriptor) [pid 6033] close(17) = -1 EBADF (Bad file descriptor) [pid 6033] close(18) = -1 EBADF (Bad file descriptor) [pid 6033] close(19) = -1 EBADF (Bad file descriptor) [pid 6033] close(20) = -1 EBADF (Bad file descriptor) [pid 6033] close(21) = -1 EBADF (Bad file descriptor) [pid 6033] close(22) = -1 EBADF (Bad file descriptor) [pid 6033] close(23) = -1 EBADF (Bad file descriptor) [pid 6033] close(24) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./41/cgroup" [pid 6033] close(25 [pid 5079] <... unlink resumed>) = 0 [pid 6033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6033] close(26 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./41/cgroup.net", [pid 6033] close(27 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./41/cgroup.net" [pid 6033] close(28 [pid 5079] <... unlink resumed>) = 0 [pid 6033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6033] close(29) = -1 EBADF (Bad file descriptor) [pid 6033] exit_group(0 [pid 6035] <... futex resumed>) = ? [pid 6033] <... exit_group resumed>) = ? [pid 6039] <... mount resumed>) = 0 [pid 6035] +++ exited with 0 +++ [pid 6033] +++ exited with 0 +++ [ 131.320002][ T6039] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 6039] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} --- [pid 5078] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] fstat(3, [pid 6039] <... openat resumed>) = 3 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6039] chdir("./file0" [pid 5078] getdents64(3, [pid 6039] <... chdir resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./40/binderfs", [pid 6039] ioctl(4, LOOP_CLR_FD [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./40/binderfs" [pid 6039] <... ioctl resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6039] close(4 [pid 5078] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./40/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./40/cgroup") = 0 [pid 5078] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./40/cgroup.net") = 0 [pid 5078] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6039] <... close resumed>) = 0 [pid 6039] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6037] <... futex resumed>) = 0 [pid 6037] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] mkdir("./file1", 000 [pid 6037] <... futex resumed>) = 0 [pid 6039] <... mkdir resumed>) = 0 [pid 6037] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... futex resumed>) = 0 [pid 6039] <... futex resumed>) = 1 [pid 6039] mkdir("./bus", 000 [pid 6037] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6039] <... mkdir resumed>) = 0 [pid 6037] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6037] <... futex resumed>) = 0 [pid 6037] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] mkdir("./file0", 000 [pid 6037] <... futex resumed>) = 0 [ 131.357741][ T6041] REISERFS (device loop4): using ordered data mode [ 131.366735][ T6041] reiserfs: using flush barriers [ 131.377271][ T6041] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6039] <... mkdir resumed>) = 0 [pid 6037] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6037] <... futex resumed>) = 0 [pid 6037] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6037] <... futex resumed>) = 0 [pid 6037] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] <... write resumed>) = 4194304 [ 131.470634][ T6039] overlayfs: upper fs needs to support d_type. [ 131.507851][ T6039] overlayfs: upper fs does not support tmpfile. [pid 6045] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6045] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6045] ioctl(4, LOOP_SET_FD, 3 [pid 5083] <... umount2 resumed>) = 0 [pid 5083] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./40/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5083] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5083] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] close(4) = 0 [pid 5083] rmdir("./40/file0") = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5083] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./40/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] unlink("./40/cgroup.cpu") = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6037] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 131.516646][ T6039] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 131.534147][ T6045] loop3: detected capacity change from 0 to 8192 [ 131.552454][ T6041] REISERFS (device loop4): checking transaction log (loop4) [pid 5083] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6045] <... ioctl resumed>) = 0 [pid 6037] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] lstat("./41/file0", [pid 5083] close(3) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] rmdir("./40" [pid 6045] close(3 [pid 6037] <... futex resumed>) = 0 [pid 5083] <... rmdir resumed>) = 0 [pid 5079] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] mkdir("./41", 0777 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6045] <... close resumed>) = 0 [pid 6037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] <... mkdir resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6045] mkdir("./file0", 0777 [pid 6037] <... mmap resumed>) = 0x7f87c04cf000 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5079] <... openat resumed>) = 4 [pid 6045] <... mkdir resumed>) = 0 [pid 6037] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5083] <... openat resumed>) = 3 [pid 5079] fstat(4, [pid 6045] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6037] <... mprotect resumed>) = 0 [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] getdents64(4, [pid 5078] <... umount2 resumed>) = 0 [pid 5083] close(3 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5083] <... close resumed>) = 0 [pid 5079] getdents64(4, [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6048 attached [pid 6039] <... mount resumed>) = 0 [pid 5079] close(4 [pid 6048] set_robust_list(0x5555565af5e0, 24 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 116 [pid 5079] <... close resumed>) = 0 [pid 6037] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6048] <... set_robust_list resumed>) = 0 [pid 5079] rmdir("./41/file0"./strace-static-x86_64: Process 6049 attached [pid 6048] chdir("./41" [pid 5079] <... rmdir resumed>) = 0 [pid 5078] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6049] set_robust_list(0x7f87c04ef9e0, 24 [pid 6048] <... chdir resumed>) = 0 [pid 6037] <... clone resumed>, parent_tid=[119], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 119 [pid 5079] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6037] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6048] <... prctl resumed>) = 0 [pid 6037] <... futex resumed>) = 0 [pid 5079] lstat("./41/cgroup.cpu", [pid 6048] setpgid(0, 0 [ 131.569219][ T6041] REISERFS (device loop4): Using r5 hash to sort names [ 131.584077][ T6041] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6037] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] lstat("./40/file0", [pid 6048] <... setpgid resumed>) = 0 [pid 5079] unlink("./41/cgroup.cpu" [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6048] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5079] <... unlink resumed>) = 0 [pid 5078] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] <... symlink resumed>) = 0 [pid 5079] getdents64(3, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6048] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6048] <... symlink resumed>) = 0 [pid 5079] close(3 [pid 5078] <... openat resumed>) = 4 [pid 6048] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5079] <... close resumed>) = 0 [pid 5078] fstat(4, [pid 6049] <... set_robust_list resumed>) = 0 [pid 6048] <... symlink resumed>) = 0 [pid 6039] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] rmdir("./41" [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6049] mkdir(".", 0777 [pid 6048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6039] <... futex resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] getdents64(4, [pid 6049] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6048] <... openat resumed>) = 3 [pid 6039] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] mkdir("./42", 0777 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6049] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6048] write(3, "1000", 4 [pid 5079] <... mkdir resumed>) = 0 [pid 5078] getdents64(4, [pid 6048] <... write resumed>) = 4 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6048] close(3 [pid 5079] <... openat resumed>) = 3 [pid 5078] close(4 [pid 6048] <... close resumed>) = 0 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5078] <... close resumed>) = 0 [pid 6048] read(200, [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] rmdir("./40/file0" [pid 6048] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] close(3 [pid 5078] <... rmdir resumed>) = 0 [pid 6048] symlink("/dev/binderfs", "./binderfs" [pid 6041] <... mount resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 6041] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6041] chdir("./file0") = 0 [pid 6041] ioctl(4, LOOP_CLR_FD) = 0 [pid 6041] close(4) = 0 [pid 6041] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6041] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6041] mkdir("./file1", 000 [ 131.611113][ T6045] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 131.628015][ T6045] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 131.638466][ T6041] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 131.648230][ T6045] REISERFS (device loop3): using ordered data mode [ 131.648248][ T6045] reiserfs: using flush barriers [pid 6040] <... futex resumed>) = 0 [pid 6041] <... mkdir resumed>) = 0 [pid 6040] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6041] <... futex resumed>) = 0 [pid 6040] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] mkdir("./bus", 000 [pid 6040] <... futex resumed>) = 0 [pid 6041] <... mkdir resumed>) = 0 [pid 6040] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6048] <... symlink resumed>) = 0 [pid 6041] mkdir("./file0", 000 [pid 6040] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... mkdir resumed>) = 0 [pid 6040] <... futex resumed>) = 0 [pid 6041] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6050 attached [pid 6041] <... futex resumed>) = 0 [pid 6040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6048] <... futex resumed>) = 0 [pid 6050] set_robust_list(0x5555565af5e0, 24 [pid 6041] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] <... futex resumed>) = 0 [pid 6041] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6040] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] lstat("./40/cgroup.cpu", [pid 6048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6050] <... set_robust_list resumed>) = 0 [pid 6048] <... mmap resumed>) = 0x7f87c84f0000 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 118 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6050] chdir("./42" [pid 6048] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5078] unlink("./40/cgroup.cpu" [pid 6050] <... chdir resumed>) = 0 [pid 6048] <... mprotect resumed>) = 0 [pid 6050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... unlink resumed>) = 0 [pid 6050] <... prctl resumed>) = 0 [pid 6048] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5078] getdents64(3, [pid 6050] setpgid(0, 0./strace-static-x86_64: Process 6051 attached ) = 0 [pid 6051] set_robust_list(0x7f87c85109e0, 24 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6050] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6051] <... set_robust_list resumed>) = 0 [pid 6048] <... clone resumed>, parent_tid=[117], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 117 [pid 5078] close(3 [pid 6050] <... symlink resumed>) = 0 [pid 6048] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... close resumed>) = 0 [pid 6048] <... futex resumed>) = 0 [pid 6051] memfd_create("syzkaller", 0 [pid 6050] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6048] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] rmdir("./40" [pid 6051] <... memfd_create resumed>) = 3 [pid 6050] <... symlink resumed>) = 0 [pid 6051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6050] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5078] <... rmdir resumed>) = 0 [pid 6051] <... mmap resumed>) = 0x7f87c00f0000 [pid 5078] mkdir("./41", 0777 [pid 6050] <... symlink resumed>) = 0 [pid 6049] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... mkdir resumed>) = 0 [pid 6049] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6037] <... futex resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6049] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6037] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... openat resumed>) = 3 [pid 5078] <... openat resumed>) = 3 [pid 6050] write(3, "1000", 4 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6050] <... write resumed>) = 4 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6050] close(3 [pid 5078] close(3 [pid 6050] <... close resumed>) = 0 [pid 6037] <... futex resumed>) = 1 [pid 5078] <... close resumed>) = 0 [ 131.649937][ T6045] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 131.685681][ T6049] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 131.701441][ T6041] overlayfs: upper fs needs to support d_type. [ 131.708917][ T6045] REISERFS (device loop3): checking transaction log (loop3) [pid 6037] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] read(200, [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6052 attached [pid 6050] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6040] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6052] set_robust_list(0x5555565af5e0, 24 [pid 6050] symlink("/dev/binderfs", "./binderfs" [pid 6040] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 112 [pid 6050] <... symlink resumed>) = 0 [pid 6050] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6040] <... futex resumed>) = 0 [pid 6050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6050] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6050] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6053 attached [pid 6053] set_robust_list(0x7f87c85109e0, 24 [pid 6050] <... clone resumed>, parent_tid=[119], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 119 [pid 6053] <... set_robust_list resumed>) = 0 [pid 6050] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6053] memfd_create("syzkaller", 0) = 3 [pid 6050] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6053] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6040] <... mmap resumed>) = 0x7f87c04cf000 [pid 6053] <... mmap resumed>) = 0x7f87c00f0000 [pid 6039] <... futex resumed>) = 0 [pid 6039] unlink(NULL) = -1 EFAULT (Bad address) [pid 6039] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6037] <... futex resumed>) = 0 [pid 6039] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6037] close(3) = 0 [pid 6037] close(4) = -1 EBADF (Bad file descriptor) [pid 6037] close(5) = -1 EBADF (Bad file descriptor) [pid 6040] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6037] close(6) = -1 EBADF (Bad file descriptor) [pid 6037] close(7) = -1 EBADF (Bad file descriptor) [pid 6037] close(8) = -1 EBADF (Bad file descriptor) [pid 6037] close(9) = -1 EBADF (Bad file descriptor) [pid 6037] close(10) = -1 EBADF (Bad file descriptor) [pid 6037] close(11 [pid 6040] <... mprotect resumed>) = 0 [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6040] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6037] close(12 [pid 6052] <... set_robust_list resumed>) = 0 [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6037] close(13 [pid 6052] chdir("./41" [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... chdir resumed>) = 0 [pid 6037] close(14 [pid 6052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... prctl resumed>) = 0 [pid 6037] close(15 [pid 6052] setpgid(0, 0 [pid 6040] <... clone resumed>, parent_tid=[115], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 115 [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... setpgid resumed>) = 0 [pid 6037] close(16 [pid 6052] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... symlink resumed>) = 0 [pid 6037] close(17 [pid 6052] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6040] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... symlink resumed>) = 0 [pid 6037] close(18./strace-static-x86_64: Process 6054 attached [pid 6052] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6040] <... futex resumed>) = 0 [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] set_robust_list(0x7f87c04ef9e0, 24 [pid 6052] <... symlink resumed>) = 0 [pid 6040] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6037] close(19 [pid 6052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] <... set_robust_list resumed>) = 0 [pid 6052] <... openat resumed>) = 3 [pid 6041] <... mount resumed>) = 0 [pid 6037] close(20 [pid 6054] mkdir(".", 0777 [pid 6052] write(3, "1000", 4 [pid 6051] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6041] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] <... mkdir resumed>) = -1 EEXIST (File exists) [ 131.736503][ T6041] overlayfs: upper fs does not support tmpfile. [ 131.758128][ T6041] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6052] <... write resumed>) = 4 [pid 6041] <... futex resumed>) = 0 [pid 6037] close(21 [pid 6054] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6052] close(3 [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6041] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6052] <... close resumed>) = 0 [pid 6037] close(22 [pid 6052] read(200, [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6037] close(23 [pid 6052] symlink("/dev/binderfs", "./binderfs" [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... symlink resumed>) = 0 [pid 6037] close(24 [pid 6052] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... futex resumed>) = 0 [pid 6037] close(25 [pid 6052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... mmap resumed>) = 0x7f87c84f0000 [pid 6037] close(26 [pid 6052] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6052] <... mprotect resumed>) = 0 [pid 6037] close(27 [pid 6052] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6037] close(28) = -1 EBADF (Bad file descriptor) [pid 6037] close(29) = -1 EBADF (Bad file descriptor) [pid 6037] exit_group(0 [pid 6049] <... futex resumed>) = ? [pid 6039] <... futex resumed>) = ? [pid 6037] <... exit_group resumed>) = ? [pid 6049] +++ exited with 0 +++ [pid 6039] +++ exited with 0 +++ [pid 6037] +++ exited with 0 +++ [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=117, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5082] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5082] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 6055 attached [pid 5082] fstat(3, [pid 6055] set_robust_list(0x7f87c85109e0, 24 [pid 6052] <... clone resumed>, parent_tid=[113], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 113 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6055] <... set_robust_list resumed>) = 0 [pid 6052] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] getdents64(3, [pid 6055] memfd_create("syzkaller", 0 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6055] <... memfd_create resumed>) = 3 [pid 6052] <... futex resumed>) = 0 [pid 5082] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6055] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6052] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6055] <... mmap resumed>) = 0x7f87c00f0000 [pid 5082] lstat("./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] unlink("./41/binderfs") = 0 [pid 5082] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] unlink("./41/cgroup") = 0 [pid 5082] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6054] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./41/cgroup.net", [pid 6054] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6054] <... futex resumed>) = 1 [pid 5082] unlink("./41/cgroup.net" [pid 6054] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6053] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5082] <... unlink resumed>) = 0 [ 131.832076][ T6054] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 131.855048][ T6045] REISERFS (device loop3): Using r5 hash to sort names [pid 5082] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6040] <... futex resumed>) = 0 [pid 6040] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6040] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6041] <... futex resumed>) = 0 [pid 6041] unlink(NULL) = -1 EFAULT (Bad address) [pid 6041] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6041] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] close(3) = 0 [pid 6040] close(4) = -1 EBADF (Bad file descriptor) [pid 6040] close(5) = -1 EBADF (Bad file descriptor) [pid 6040] close(6) = -1 EBADF (Bad file descriptor) [pid 6040] close(7) = -1 EBADF (Bad file descriptor) [pid 6040] close(8) = -1 EBADF (Bad file descriptor) [pid 6040] close(9) = -1 EBADF (Bad file descriptor) [pid 6040] close(10) = -1 EBADF (Bad file descriptor) [pid 6040] close(11) = -1 EBADF (Bad file descriptor) [ 131.901645][ T6045] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6040] close(12) = -1 EBADF (Bad file descriptor) [pid 6040] close(13) = -1 EBADF (Bad file descriptor) [pid 6040] close(14) = -1 EBADF (Bad file descriptor) [pid 6040] close(15 [pid 6055] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6040] close(16) = -1 EBADF (Bad file descriptor) [pid 6040] close(17) = -1 EBADF (Bad file descriptor) [pid 6040] close(18) = -1 EBADF (Bad file descriptor) [pid 6040] close(19) = -1 EBADF (Bad file descriptor) [pid 6040] close(20) = -1 EBADF (Bad file descriptor) [pid 6040] close(21) = -1 EBADF (Bad file descriptor) [pid 6040] close(22) = -1 EBADF (Bad file descriptor) [pid 6040] close(23) = -1 EBADF (Bad file descriptor) [pid 6040] close(24 [pid 6051] <... write resumed>) = 4194304 [pid 6040] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6040] close(25) = -1 EBADF (Bad file descriptor) [pid 6040] close(26) = -1 EBADF (Bad file descriptor) [pid 6040] close(27) = -1 EBADF (Bad file descriptor) [pid 6040] close(28) = -1 EBADF (Bad file descriptor) [pid 6040] close(29) = -1 EBADF (Bad file descriptor) [pid 6040] exit_group(0 [pid 6054] <... futex resumed>) = ? [pid 6041] <... futex resumed>) = ? [pid 6040] <... exit_group resumed>) = ? [pid 6054] +++ exited with 0 +++ [pid 6041] +++ exited with 0 +++ [pid 6040] +++ exited with 0 +++ [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=113, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 6051] munmap(0x7f87c00f0000, 4194304 [pid 5080] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6051] <... munmap resumed>) = 0 [pid 6051] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5080] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 131.950481][ T6045] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5080] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5080] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5080] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6051] <... openat resumed>) = 4 [pid 5080] lstat("./42/binderfs", [pid 6051] ioctl(4, LOOP_SET_FD, 3 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] unlink("./42/binderfs") = 0 [pid 5080] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./42/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] unlink("./42/cgroup") = 0 [pid 5080] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./42/cgroup.net", [pid 6051] <... ioctl resumed>) = 0 [pid 6045] <... mount resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6051] close(3 [pid 6045] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5080] unlink("./42/cgroup.net" [pid 6051] <... close resumed>) = 0 [pid 6045] <... openat resumed>) = 3 [pid 5080] <... unlink resumed>) = 0 [pid 6051] mkdir("./file0", 0777 [pid 6045] chdir("./file0" [pid 5080] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6051] <... mkdir resumed>) = 0 [pid 6045] <... chdir resumed>) = 0 [pid 6055] <... write resumed>) = 4194304 [pid 6053] <... write resumed>) = 4194304 [pid 6051] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6045] ioctl(4, LOOP_CLR_FD [pid 5082] <... umount2 resumed>) = 0 [pid 6055] munmap(0x7f87c00f0000, 4194304 [pid 6053] munmap(0x7f87c00f0000, 4194304 [pid 6045] <... ioctl resumed>) = 0 [pid 6055] <... munmap resumed>) = 0 [pid 6053] <... munmap resumed>) = 0 [ 132.018702][ T6051] loop2: detected capacity change from 0 to 8192 [pid 6045] close(4 [pid 6055] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6053] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6045] <... close resumed>) = 0 [pid 5082] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6055] <... openat resumed>) = 4 [pid 6053] <... openat resumed>) = 4 [pid 6045] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] ioctl(4, LOOP_SET_FD, 3 [pid 6053] ioctl(4, LOOP_SET_FD, 3 [pid 6045] <... futex resumed>) = 1 [pid 6042] <... futex resumed>) = 0 [pid 6053] <... ioctl resumed>) = 0 [pid 6045] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6053] close(3 [pid 5082] lstat("./41/file0", [pid 6053] <... close resumed>) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6053] mkdir("./file0", 0777 [pid 5082] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6053] <... mkdir resumed>) = 0 [pid 6045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6042] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6053] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6045] mkdir("./file1", 000 [pid 6042] <... futex resumed>) = 0 [ 132.072611][ T6053] loop1: detected capacity change from 0 to 8192 [ 132.083597][ T6055] loop0: detected capacity change from 0 to 8192 [ 132.097751][ T6051] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5082] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6055] <... ioctl resumed>) = 0 [pid 6045] <... mkdir resumed>) = 0 [pid 6042] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... umount2 resumed>) = 0 [pid 6055] close(3 [pid 6045] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6055] <... close resumed>) = 0 [pid 6045] <... futex resumed>) = 0 [pid 6042] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6055] mkdir("./file0", 0777 [pid 6045] mkdir("./bus", 000 [pid 6042] <... futex resumed>) = 0 [pid 5080] lstat("./42/file0", [pid 6055] <... mkdir resumed>) = 0 [pid 6045] <... mkdir resumed>) = 0 [pid 6042] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6055] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6045] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6045] <... futex resumed>) = 0 [pid 6042] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6045] mkdir("./file0", 000 [pid 6042] <... futex resumed>) = 0 [pid 5080] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6045] <... mkdir resumed>) = 0 [pid 6042] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... openat resumed>) = 4 [pid 5080] <... openat resumed>) = 4 [pid 6045] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] fstat(4, [pid 5080] fstat(4, [pid 6045] <... futex resumed>) = 0 [pid 6042] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6045] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6042] <... futex resumed>) = 0 [pid 5080] getdents64(4, [pid 6042] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] close(4) = 0 [pid 5080] rmdir("./42/file0") = 0 [pid 5080] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./42/cgroup.cpu") = 0 [pid 5080] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] close(3) = 0 [pid 5080] rmdir("./42") = 0 [pid 5080] mkdir("./43", 0777) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5080] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5080] close(3) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565af5d0) = 116 [pid 5082] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] close(4) = 0 [pid 5082] rmdir("./41/file0") = 0 [pid 5082] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./41/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./41/cgroup.cpu") = 0 [pid 5082] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] close(3) = 0 [pid 5082] rmdir("./41") = 0 [ 132.113918][ T6051] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 132.131057][ T6053] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 132.145814][ T6051] REISERFS (device loop2): using ordered data mode [ 132.148840][ T6045] overlayfs: upper fs needs to support d_type. [ 132.155315][ T6051] reiserfs: using flush barriers ./strace-static-x86_64: Process 6059 attached [pid 6042] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5082] mkdir("./42", 0777 [pid 6059] set_robust_list(0x5555565af5e0, 24 [pid 6042] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6059] <... set_robust_list resumed>) = 0 [pid 6042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6059] chdir("./43" [pid 6042] <... mmap resumed>) = 0x7f87c04cf000 [pid 6042] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6059] <... chdir resumed>) = 0 [pid 6042] <... mprotect resumed>) = 0 [pid 6059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6059] setpgid(0, 0 [pid 6042] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6060 attached [pid 6059] <... setpgid resumed>) = 0 [pid 6059] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6060] set_robust_list(0x7f87c04ef9e0, 24 [pid 6042] <... clone resumed>, parent_tid=[124], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 124 [pid 6059] <... symlink resumed>) = 0 [pid 6060] <... set_robust_list resumed>) = 0 [pid 6042] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] mkdir(".", 0777 [pid 6042] <... futex resumed>) = 0 [pid 6060] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6042] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6060] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6059] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6059] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [ 132.174481][ T6055] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 132.175218][ T6053] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 6059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6059] write(3, "1000", 4) = 4 [pid 5082] <... mkdir resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6059] close(3) = 0 [pid 6059] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6059] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6059] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] <... openat resumed>) = 3 [pid 5082] ioctl(3, LOOP_CLR_FD [pid 6059] <... mmap resumed>) = 0x7f87c84f0000 [pid 6059] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6059] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6061 attached [pid 6061] set_robust_list(0x7f87c85109e0, 24 [pid 6059] <... clone resumed>, parent_tid=[117], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 117 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6061] <... set_robust_list resumed>) = 0 [pid 6059] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] memfd_create("syzkaller", 0 [pid 6059] <... futex resumed>) = 0 [pid 6061] <... memfd_create resumed>) = 3 [pid 6059] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5082] close(3) = 0 [ 132.199523][ T6051] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 132.229518][ T6045] overlayfs: upper fs does not support tmpfile. [ 132.237270][ T6055] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 132.246017][ T6060] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 132.248833][ T6055] REISERFS (device loop0): using ordered data mode [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6062 attached , child_tidptr=0x5555565af5d0) = 120 [pid 6062] set_robust_list(0x5555565af5e0, 24) = 0 [pid 6062] chdir("./42") = 0 [pid 6062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6062] setpgid(0, 0) = 0 [ 132.277722][ T6053] REISERFS (device loop1): using ordered data mode [ 132.288136][ T6053] reiserfs: using flush barriers [ 132.290271][ T6051] REISERFS (device loop2): checking transaction log (loop2) [ 132.304701][ T6053] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6062] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 6062] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 6062] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6062] write(3, "1000", 4) = 4 [pid 6062] close(3) = 0 [pid 6062] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6062] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6062] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6062] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[121], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 121 [pid 6062] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6062] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6063 attached [pid 6063] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 6063] memfd_create("syzkaller", 0 [pid 6061] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6063] <... memfd_create resumed>) = 3 [pid 6063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 132.306332][ T6051] REISERFS (device loop2): Using r5 hash to sort names [ 132.332461][ T6055] reiserfs: using flush barriers [ 132.342728][ T6055] 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 6060] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6060] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = 0 [pid 6042] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6042] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] <... futex resumed>) = 1 [pid 6060] unlink(NULL) = -1 EFAULT (Bad address) [pid 6060] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... futex resumed>) = 0 [pid 6060] <... futex resumed>) = 1 [pid 6060] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [ 132.365799][ T6051] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 132.381524][ T6055] REISERFS (device loop0): checking transaction log (loop0) [ 132.390745][ T6045] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 132.395369][ T6053] REISERFS (device loop1): checking transaction log (loop1) [ 132.398624][ T6051] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 132.420470][ T6055] REISERFS (device loop0): Using r5 hash to sort names [pid 6063] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6045] <... mount resumed>) = 0 [pid 6051] <... mount resumed>) = 0 [pid 6045] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] close(3) = 0 [pid 6042] close(4) = -1 EBADF (Bad file descriptor) [pid 6051] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6045] <... futex resumed>) = 0 [pid 6051] <... openat resumed>) = 3 [pid 6045] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6042] close(5 [pid 6051] chdir("./file0" [pid 6055] <... mount resumed>) = 0 [pid 6051] <... chdir resumed>) = 0 [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] close(6) = -1 EBADF (Bad file descriptor) [pid 6042] close(7) = -1 EBADF (Bad file descriptor) [pid 6042] close(8) = -1 EBADF (Bad file descriptor) [pid 6042] close(9) = -1 EBADF (Bad file descriptor) [pid 6042] close(10) = -1 EBADF (Bad file descriptor) [pid 6042] close(11) = -1 EBADF (Bad file descriptor) [pid 6042] close(12) = -1 EBADF (Bad file descriptor) [pid 6042] close(13) = -1 EBADF (Bad file descriptor) [pid 6042] close(14) = -1 EBADF (Bad file descriptor) [pid 6051] ioctl(4, LOOP_CLR_FD) = 0 [pid 6042] close(15 [pid 6051] close(4) = 0 [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6042] close(16) = -1 EBADF (Bad file descriptor) [pid 6042] close(17) = -1 EBADF (Bad file descriptor) [pid 6042] close(18) = -1 EBADF (Bad file descriptor) [pid 6042] close(19) = -1 EBADF (Bad file descriptor) [pid 6042] close(20) = -1 EBADF (Bad file descriptor) [pid 6042] close(21) = -1 EBADF (Bad file descriptor) [pid 6042] close(22) = -1 EBADF (Bad file descriptor) [pid 6051] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6048] <... futex resumed>) = 0 [pid 6051] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] close(23 [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] <... futex resumed>) = 0 [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6051] mkdir("./file1", 000 [pid 6055] <... openat resumed>) = 3 [pid 6048] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] close(24 [pid 6055] chdir("./file0" [pid 6051] <... mkdir resumed>) = 0 [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... chdir resumed>) = 0 [pid 6051] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] close(25 [pid 6055] ioctl(4, LOOP_CLR_FD [pid 6051] <... futex resumed>) = 1 [pid 6048] <... futex resumed>) = 0 [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... ioctl resumed>) = 0 [pid 6051] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] close(26 [pid 6055] close(4 [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] <... futex resumed>) = 0 [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] <... close resumed>) = 0 [pid 6051] mkdir("./bus", 000 [pid 6048] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] close(27) = -1 EBADF (Bad file descriptor) [pid 6051] <... mkdir resumed>) = 0 [ 132.431069][ T6053] REISERFS (device loop1): Using r5 hash to sort names [ 132.435580][ T6055] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 132.448063][ T6053] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 132.453305][ T6055] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 6042] close(28 [pid 6055] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6052] <... futex resumed>) = 0 [pid 6051] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6052] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... futex resumed>) = 1 [pid 6048] <... futex resumed>) = 0 [pid 6042] close(29 [pid 6055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6052] <... futex resumed>) = 0 [pid 6051] mkdir("./file0", 000 [pid 6048] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6055] mkdir("./file1", 000 [pid 6052] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] <... futex resumed>) = 0 [pid 6042] exit_group(0 [pid 6051] <... mkdir resumed>) = 0 [pid 6060] <... futex resumed>) = ? [pid 6055] <... mkdir resumed>) = 0 [pid 6051] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] <... futex resumed>) = ? [pid 6042] <... exit_group resumed>) = ? [pid 6060] +++ exited with 0 +++ [pid 6055] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... futex resumed>) = 0 [pid 6048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6045] +++ exited with 0 +++ [pid 6042] +++ exited with 0 +++ [pid 6055] <... futex resumed>) = 1 [pid 6052] <... futex resumed>) = 0 [pid 6051] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6052] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] <... futex resumed>) = 0 [pid 6055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6052] <... futex resumed>) = 0 [pid 6051] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6048] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 6055] mkdir("./bus", 000 [pid 6052] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] restart_syscall(<... resuming interrupted clone ...> [pid 6055] <... mkdir resumed>) = 0 [pid 5081] <... restart_syscall resumed>) = 0 [pid 6055] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6055] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6052] <... futex resumed>) = 0 [pid 6052] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6055] <... futex resumed>) = 0 [pid 6052] <... futex resumed>) = 1 [pid 5081] <... openat resumed>) = 3 [pid 6055] mkdir("./file0", 000 [pid 5081] fstat(3, [pid 6055] <... mkdir resumed>) = 0 [pid 6052] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6055] <... futex resumed>) = 0 [pid 6052] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] getdents64(3, [pid 6055] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6052] <... futex resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6052] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6061] <... write resumed>) = 4194304 [pid 6061] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6061] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6061] ioctl(4, LOOP_SET_FD, 3 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 132.541085][ T6051] overlayfs: upper fs needs to support d_type. [ 132.558860][ T6055] overlayfs: upper fs needs to support d_type. [ 132.565622][ T6055] overlayfs: upper fs does not support tmpfile. [ 132.566236][ T6061] loop4: detected capacity change from 0 to 8192 [pid 5081] unlink("./42/binderfs" [pid 6052] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6048] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6052] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... unlink resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 5081] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6052] <... mmap resumed>) = 0x7f87c04cf000 [pid 5081] lstat("./42/cgroup", [pid 6052] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6052] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] unlink("./42/cgroup" [pid 6052] <... clone resumed>, parent_tid=[114], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 114 [pid 5081] <... unlink resumed>) = 0 [pid 6052] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6053] <... mount resumed>) = 0 [pid 6052] <... futex resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6053] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5081] lstat("./42/cgroup.net", [pid 6052] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6053] <... openat resumed>) = 3 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6053] chdir("./file0" [pid 6048] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] unlink("./42/cgroup.net"./strace-static-x86_64: Process 6064 attached [pid 6055] <... mount resumed>) = 0 [pid 6053] <... chdir resumed>) = 0 [pid 6053] ioctl(4, LOOP_CLR_FD [pid 6048] <... futex resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 6053] <... ioctl resumed>) = 0 [pid 6048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6053] close(4) = 0 [pid 6064] set_robust_list(0x7f87c04ef9e0, 24 [pid 6055] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] <... set_robust_list resumed>) = 0 [pid 6055] <... futex resumed>) = 0 [pid 6064] mkdir(".", 0777 [pid 6055] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6064] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6064] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6053] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6053] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... mmap resumed>) = 0x7f87c04cf000 [pid 6053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6050] <... futex resumed>) = 0 [pid 6063] <... write resumed>) = 4194304 [ 132.596042][ T6051] overlayfs: upper fs does not support tmpfile. [ 132.603452][ T6055] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 132.617877][ T6051] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 132.628367][ T6053] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 6063] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6063] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6063] ioctl(4, LOOP_SET_FD, 3 [pid 6053] mkdir("./file1", 000 [pid 6051] <... mount resumed>) = 0 [pid 6050] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6053] <... mkdir resumed>) = 0 [pid 6053] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... ioctl resumed>) = 0 [pid 6053] <... futex resumed>) = 1 [pid 6051] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... futex resumed>) = 0 [pid 6048] <... mprotect resumed>) = 0 [pid 6053] mkdir("./bus", 000 [pid 6050] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... futex resumed>) = 0 [pid 6050] <... futex resumed>) = 0 [pid 6048] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6063] close(3 [pid 6061] <... ioctl resumed>) = 0 [pid 6053] <... mkdir resumed>) = 0 [pid 6050] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6065 attached [pid 6063] <... close resumed>) = 0 [pid 6061] close(3 [pid 6053] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6053] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6050] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] mkdir("./file0", 000 [pid 6050] <... futex resumed>) = 0 [pid 6065] set_robust_list(0x7f87c04ef9e0, 24 [pid 6050] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] <... clone resumed>, parent_tid=[118], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 118 [pid 6065] <... set_robust_list resumed>) = 0 [pid 6063] mkdir("./file0", 0777 [pid 6061] <... close resumed>) = 0 [pid 6053] <... mkdir resumed>) = 0 [pid 6048] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] mkdir(".", 0777 [pid 6063] <... mkdir resumed>) = 0 [pid 6061] mkdir("./file0", 0777 [pid 6053] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... futex resumed>) = 0 [pid 6065] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6063] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6061] <... mkdir resumed>) = 0 [pid 6053] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6048] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6065] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6061] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6053] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6050] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 132.687937][ T6063] loop5: detected capacity change from 0 to 8192 [ 132.703382][ T6064] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6050] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6064] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6064] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6052] <... futex resumed>) = 0 [pid 6052] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6052] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] <... futex resumed>) = 0 [pid 6055] unlink(NULL) = -1 EFAULT (Bad address) [pid 6055] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6055] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6052] close(3) = 0 [pid 6052] close(4) = -1 EBADF (Bad file descriptor) [pid 6052] close(5) = -1 EBADF (Bad file descriptor) [pid 6052] close(6) = -1 EBADF (Bad file descriptor) [pid 6052] close(7) = -1 EBADF (Bad file descriptor) [pid 6052] close(8) = -1 EBADF (Bad file descriptor) [pid 6052] close(9) = -1 EBADF (Bad file descriptor) [ 132.739258][ T6063] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 132.755737][ T6061] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 132.776684][ T6053] overlayfs: upper fs needs to support d_type. [pid 6052] close(10) = -1 EBADF (Bad file descriptor) [pid 6052] close(11) = -1 EBADF (Bad file descriptor) [pid 6052] close(12) = -1 EBADF (Bad file descriptor) [pid 6052] close(13) = -1 EBADF (Bad file descriptor) [pid 6052] close(14) = -1 EBADF (Bad file descriptor) [pid 6052] close(15) = -1 EBADF (Bad file descriptor) [pid 6052] close(16) = -1 EBADF (Bad file descriptor) [pid 6052] close(17) = -1 EBADF (Bad file descriptor) [pid 6052] close(18) = -1 EBADF (Bad file descriptor) [pid 6052] close(19) = -1 EBADF (Bad file descriptor) [pid 6052] close(20) = -1 EBADF (Bad file descriptor) [pid 6052] close(21) = -1 EBADF (Bad file descriptor) [pid 6052] close(22) = -1 EBADF (Bad file descriptor) [pid 6052] close(23) = -1 EBADF (Bad file descriptor) [pid 6052] close(24) = -1 EBADF (Bad file descriptor) [pid 6052] close(25) = -1 EBADF (Bad file descriptor) [pid 6052] close(26) = -1 EBADF (Bad file descriptor) [pid 6052] close(27) = -1 EBADF (Bad file descriptor) [pid 6052] close(28) = -1 EBADF (Bad file descriptor) [pid 6052] close(29) = -1 EBADF (Bad file descriptor) [pid 6052] exit_group(0) = ? [pid 6050] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6050] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6050] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6050] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[120], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 120 [pid 6050] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6064] <... futex resumed>) = ? [pid 6055] <... futex resumed>) = ? [ 132.790589][ T6065] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 132.793443][ T6063] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 132.824341][ T6063] REISERFS (device loop5): using ordered data mode [ 132.833378][ T6063] reiserfs: using flush barriers [pid 6050] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6064] +++ exited with 0 +++ [pid 6055] +++ exited with 0 +++ [pid 6052] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=27 /* 0.27 s */} --- [pid 5078] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./41/binderfs") = 0 [pid 5078] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./41/cgroup") = 0 [pid 5078] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./41/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./41/cgroup.net") = 0 [pid 5078] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6068 attached [pid 6065] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6068] set_robust_list(0x7f87c04ef9e0, 24 [pid 6065] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... set_robust_list resumed>) = 0 [pid 6065] <... futex resumed>) = 1 [pid 6048] <... futex resumed>) = 0 [pid 6068] mkdir(".", 0777 [pid 6065] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6048] <... futex resumed>) = 1 [pid 6068] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 132.834665][ T6053] overlayfs: upper fs does not support tmpfile. [ 132.842920][ T6061] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 132.856236][ T6061] REISERFS (device loop4): using ordered data mode [ 132.864550][ T6061] reiserfs: using flush barriers [ 132.870923][ T6061] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6048] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6051] <... futex resumed>) = 0 [pid 6051] unlink(NULL) = -1 EFAULT (Bad address) [pid 6051] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6051] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] <... futex resumed>) = 0 [pid 6048] close(3) = 0 [pid 6048] close(4) = -1 EBADF (Bad file descriptor) [ 132.889651][ T6053] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 132.892256][ T6061] REISERFS (device loop4): checking transaction log (loop4) [ 132.901077][ T6063] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 132.931093][ T6061] REISERFS (device loop4): Using r5 hash to sort names [pid 6048] close(5) = -1 EBADF (Bad file descriptor) [pid 6048] close(6) = -1 EBADF (Bad file descriptor) [pid 6048] close(7) = -1 EBADF (Bad file descriptor) [pid 6048] close(8) = -1 EBADF (Bad file descriptor) [pid 6048] close(9) = -1 EBADF (Bad file descriptor) [pid 6048] close(10) = -1 EBADF (Bad file descriptor) [pid 6048] close(11) = -1 EBADF (Bad file descriptor) [pid 6048] close(12) = -1 EBADF (Bad file descriptor) [pid 6048] close(13) = -1 EBADF (Bad file descriptor) [pid 6048] close(14) = -1 EBADF (Bad file descriptor) [pid 6048] close(15) = -1 EBADF (Bad file descriptor) [pid 6048] close(16) = -1 EBADF (Bad file descriptor) [pid 6048] close(17) = -1 EBADF (Bad file descriptor) [pid 6048] close(18) = -1 EBADF (Bad file descriptor) [pid 6048] close(19) = -1 EBADF (Bad file descriptor) [pid 6048] close(20) = -1 EBADF (Bad file descriptor) [pid 6048] close(21) = -1 EBADF (Bad file descriptor) [pid 6048] close(22) = -1 EBADF (Bad file descriptor) [pid 6048] close(23) = -1 EBADF (Bad file descriptor) [pid 6048] close(24) = -1 EBADF (Bad file descriptor) [pid 6048] close(25) = -1 EBADF (Bad file descriptor) [pid 6048] close(26) = -1 EBADF (Bad file descriptor) [pid 6048] close(27) = -1 EBADF (Bad file descriptor) [pid 6048] close(28) = -1 EBADF (Bad file descriptor) [pid 6048] close(29) = -1 EBADF (Bad file descriptor) [pid 6048] exit_group(0 [pid 6051] <... futex resumed>) = ? [pid 6048] <... exit_group resumed>) = ? [pid 6051] +++ exited with 0 +++ [ 132.950071][ T6068] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 132.967122][ T6061] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 132.990208][ T6061] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 6065] <... futex resumed>) = ? [pid 6068] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6068] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] +++ exited with 0 +++ [pid 6061] <... mount resumed>) = 0 [pid 6053] <... mount resumed>) = 0 [pid 6048] +++ exited with 0 +++ [pid 6068] <... futex resumed>) = 1 [pid 6061] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6068] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6061] <... openat resumed>) = 3 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=116, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 6061] chdir("./file0") = 0 [pid 5083] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6061] ioctl(4, LOOP_CLR_FD [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... umount2 resumed>) = 0 [pid 6061] <... ioctl resumed>) = 0 [pid 5083] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6061] close(4) = 0 [pid 5083] <... openat resumed>) = 3 [pid 5081] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6061] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] fstat(3, [pid 6061] <... futex resumed>) = 1 [pid 6059] <... futex resumed>) = 0 [pid 5081] lstat("./42/file0", [pid 6061] mkdir("./file1", 000 [pid 6059] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6059] <... futex resumed>) = 0 [pid 6061] <... mkdir resumed>) = 0 [pid 6059] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] getdents64(3, [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6061] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6061] <... futex resumed>) = 1 [pid 6059] <... futex resumed>) = 0 [pid 5083] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6061] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6059] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6059] <... futex resumed>) = 0 [pid 5083] lstat("./41/binderfs", [pid 6061] mkdir("./bus", 000 [pid 6059] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6061] <... mkdir resumed>) = 0 [pid 5083] unlink("./41/binderfs" [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 133.009771][ T6063] REISERFS (device loop5): checking transaction log (loop5) [ 133.041476][ T6063] REISERFS (device loop5): Using r5 hash to sort names [pid 6061] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... unlink resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6061] <... futex resumed>) = 1 [pid 6059] <... futex resumed>) = 0 [pid 6053] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... futex resumed>) = 0 [pid 5081] <... openat resumed>) = 4 [pid 6053] <... futex resumed>) = 0 [pid 6050] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] fstat(4, [pid 6053] unlink(NULL [pid 6050] <... futex resumed>) = 0 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6053] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6050] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] getdents64(4, [pid 6053] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6053] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 5081] getdents64(4, [pid 6053] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] close(3 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6050] <... close resumed>) = 0 [pid 5081] close(4 [pid 6050] close(4 [pid 5081] <... close resumed>) = 0 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] rmdir("./42/file0" [pid 6050] close(5 [pid 5081] <... rmdir resumed>) = 0 [pid 6061] mkdir("./file0", 000 [pid 6059] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6061] <... mkdir resumed>) = 0 [pid 6059] <... futex resumed>) = 0 [pid 6050] close(6 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6061] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./41/cgroup", [pid 5081] lstat("./42/cgroup.cpu", [pid 6061] <... futex resumed>) = 0 [pid 6059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6050] close(7 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6061] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6059] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] unlink("./41/cgroup" [pid 5081] unlink("./42/cgroup.cpu" [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6059] <... futex resumed>) = 0 [pid 6050] close(8 [pid 5083] <... unlink resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 6061] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6059] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] getdents64(3, [pid 6050] close(9 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [ 133.070665][ T6063] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 133.087109][ T6063] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 6050] close(10 [pid 5081] <... close resumed>) = 0 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./41/cgroup.net", [pid 5081] rmdir("./42" [pid 6063] <... mount resumed>) = 0 [pid 6050] close(11 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] <... rmdir resumed>) = 0 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] mkdir("./43", 0777 [pid 6050] close(12 [pid 5081] <... mkdir resumed>) = 0 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6050] close(13 [pid 5081] <... openat resumed>) = 3 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] ioctl(3, LOOP_CLR_FD [pid 6063] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6050] close(14 [pid 5083] unlink("./41/cgroup.net" [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 5081] close(3 [pid 6063] <... openat resumed>) = 3 [pid 6050] close(15 [pid 5083] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6063] chdir("./file0" [pid 6050] close(16 [pid 5078] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6069 attached [pid 6063] <... chdir resumed>) = 0 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6069] set_robust_list(0x5555565af5e0, 24 [pid 6063] ioctl(4, LOOP_CLR_FD [pid 6050] close(17 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 125 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./41/file0", [pid 6069] <... set_robust_list resumed>) = 0 [pid 6063] <... ioctl resumed>) = 0 [pid 6050] close(18 [pid 6069] chdir("./43" [pid 6063] close(4 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6050] close(19 [pid 6069] <... chdir resumed>) = 0 [pid 6063] <... close resumed>) = 0 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6063] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] close(20 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6069] <... prctl resumed>) = 0 [pid 6063] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 6059] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6069] setpgid(0, 0 [pid 6063] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] close(21 [pid 6069] <... setpgid resumed>) = 0 [pid 6063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] <... futex resumed>) = 0 [pid 6061] <... mount resumed>) = 0 [pid 6059] <... futex resumed>) = 0 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 4 [pid 6069] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6063] mkdir("./file1", 000 [pid 6062] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] close(22 [pid 5078] fstat(4, [pid 6069] <... symlink resumed>) = 0 [pid 6063] <... mkdir resumed>) = 0 [pid 6061] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6069] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6063] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] <... futex resumed>) = 0 [pid 6059] <... mmap resumed>) = 0x7f87c04cf000 [pid 6050] close(23 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6069] <... symlink resumed>) = 0 [pid 6063] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 6061] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6059] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(4, [pid 6069] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6063] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... mprotect resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6069] <... symlink resumed>) = 0 [pid 6063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] <... futex resumed>) = 0 [pid 6059] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6050] close(24 [pid 5078] getdents64(4, ./strace-static-x86_64: Process 6070 attached [pid 6069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6063] mkdir("./bus", 000 [pid 6062] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6070] set_robust_list(0x7f87c04ef9e0, 24 [pid 6069] <... openat resumed>) = 3 [pid 6063] <... mkdir resumed>) = 0 [pid 6059] <... clone resumed>, parent_tid=[118], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 118 [pid 6050] close(25 [pid 5078] close(4 [pid 6070] <... set_robust_list resumed>) = 0 [pid 6069] write(3, "1000", 4 [pid 6063] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 133.117111][ T6061] overlayfs: upper fs needs to support d_type. [ 133.129865][ T6061] overlayfs: upper fs does not support tmpfile. [ 133.142345][ T6061] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5078] <... close resumed>) = 0 [pid 6070] mkdir(".", 0777 [pid 6069] <... write resumed>) = 4 [pid 6063] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 6059] <... futex resumed>) = 0 [pid 6050] close(26 [pid 5078] rmdir("./41/file0" [pid 6070] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6069] close(3 [pid 6063] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... rmdir resumed>) = 0 [pid 6070] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6069] <... close resumed>) = 0 [pid 6063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] <... futex resumed>) = 0 [pid 6050] close(27 [pid 5078] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6069] read(200, [pid 6063] mkdir("./file0", 000 [pid 6062] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6069] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6063] <... mkdir resumed>) = 0 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./41/cgroup.cpu", [pid 6069] symlink("/dev/binderfs", "./binderfs" [pid 6063] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] close(28 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6069] <... symlink resumed>) = 0 [pid 6063] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./41/cgroup.cpu" [pid 6069] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] close(29 [pid 5078] <... unlink resumed>) = 0 [pid 6069] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] <... futex resumed>) = 0 [pid 6050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(3, [pid 6069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6063] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6062] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] exit_group(0 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6069] <... mmap resumed>) = 0x7f87c84f0000 [pid 6068] <... futex resumed>) = ? [pid 6053] <... futex resumed>) = ? [pid 6050] <... exit_group resumed>) = ? [pid 5078] close(3 [pid 6069] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6068] +++ exited with 0 +++ [pid 5078] <... close resumed>) = 0 [pid 6069] <... mprotect resumed>) = 0 [pid 5078] rmdir("./41" [pid 6069] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6053] +++ exited with 0 +++ [pid 6050] +++ exited with 0 +++ [pid 5078] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6071 attached [pid 5078] mkdir("./42", 0777 [pid 6071] set_robust_list(0x7f87c85109e0, 24 [pid 6069] <... clone resumed>, parent_tid=[126], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 126 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=118, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5078] <... mkdir resumed>) = 0 [pid 6071] <... set_robust_list resumed>) = 0 [pid 6069] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6071] memfd_create("syzkaller", 0 [pid 6069] <... futex resumed>) = 0 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 6071] <... memfd_create resumed>) = 3 [pid 6069] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 133.213864][ T6063] overlayfs: upper fs needs to support d_type. [ 133.222441][ T6070] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6071] <... mmap resumed>) = 0x7f87c00f0000 [pid 5079] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] close(3 [pid 6062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... close resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6072 attached [pid 5079] <... openat resumed>) = 3 [pid 6072] set_robust_list(0x5555565af5e0, 24 [pid 5079] fstat(3, [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 115 [pid 6072] <... set_robust_list resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6072] chdir("./42" [pid 5079] getdents64(3, [pid 6072] <... chdir resumed>) = 0 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6072] <... prctl resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6072] setpgid(0, 0 [pid 5079] lstat("./42/binderfs", [pid 6072] <... setpgid resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6072] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5079] unlink("./42/binderfs" [pid 6072] <... symlink resumed>) = 0 [pid 6062] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... unlink resumed>) = 0 [pid 6072] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5079] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6072] <... symlink resumed>) = 0 [pid 6062] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6072] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] lstat("./42/cgroup", [pid 6072] <... symlink resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6070] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6062] <... mmap resumed>) = 0x7f87c04cf000 [pid 5079] unlink("./42/cgroup" [pid 6072] <... openat resumed>) = 3 [pid 6062] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5079] <... unlink resumed>) = 0 [pid 6072] write(3, "1000", 4 [pid 5079] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6072] <... write resumed>) = 4 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 133.260428][ T6063] overlayfs: upper fs does not support tmpfile. [pid 6072] close(3 [pid 5079] lstat("./42/cgroup.net", [pid 6072] <... close resumed>) = 0 [pid 6070] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... mprotect resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6072] read(200, [pid 5079] unlink("./42/cgroup.net" [pid 6072] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] <... unlink resumed>) = 0 [pid 6072] symlink("/dev/binderfs", "./binderfs" [pid 6070] <... futex resumed>) = 1 [pid 6062] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6059] <... futex resumed>) = 0 [pid 5079] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6073 attached [pid 6072] <... symlink resumed>) = 0 [pid 6070] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6059] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] set_robust_list(0x7f87c04ef9e0, 24 [pid 6072] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... clone resumed>, parent_tid=[122], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 122 [pid 6061] <... futex resumed>) = 0 [pid 6059] <... futex resumed>) = 1 [pid 6073] <... set_robust_list resumed>) = 0 [pid 6072] <... futex resumed>) = 0 [pid 6062] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] unlink(NULL [pid 6073] mkdir(".", 0777 [pid 6072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6061] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6059] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6072] <... mmap resumed>) = 0x7f87c84f0000 [pid 6062] <... futex resumed>) = 0 [pid 6061] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6061] <... futex resumed>) = 0 [pid 6072] <... mprotect resumed>) = 0 [pid 6061] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6074 attached [pid 6073] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6062] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6074] set_robust_list(0x7f87c85109e0, 24 [pid 6072] <... clone resumed>, parent_tid=[116], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 116 [pid 6059] close(3 [pid 6074] <... set_robust_list resumed>) = 0 [pid 6072] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] memfd_create("syzkaller", 0 [pid 6072] <... futex resumed>) = 0 [pid 6059] <... close resumed>) = 0 [pid 6074] <... memfd_create resumed>) = 3 [pid 6072] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6059] close(4 [pid 6074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6074] <... mmap resumed>) = 0x7f87c00f0000 [ 133.344329][ T6063] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6059] close(5 [pid 5083] <... umount2 resumed>) = 0 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(6 [pid 5083] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6059] close(7) = -1 EBADF (Bad file descriptor) [pid 6059] close(8) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./41/file0", [pid 6059] close(9) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6059] close(10 [pid 5083] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(11 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(12 [pid 5083] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(13 [pid 5083] <... openat resumed>) = 4 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] fstat(4, [pid 6059] close(14) = -1 EBADF (Bad file descriptor) [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6059] close(15 [pid 5083] getdents64(4, [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [ 133.383576][ T6073] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6059] close(16 [pid 5083] getdents64(4, [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6071] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6059] close(17 [pid 5083] close(4 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = 0 [pid 6059] close(18 [pid 5083] rmdir("./41/file0" [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... rmdir resumed>) = 0 [pid 6059] close(19 [pid 5083] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6059] close(20) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./41/cgroup.cpu", [pid 6059] close(21 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(22 [pid 5083] unlink("./41/cgroup.cpu" [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 6059] close(23) = -1 EBADF (Bad file descriptor) [pid 5083] getdents64(3, [pid 6059] close(24 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(3 [pid 6059] close(25) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = 0 [pid 6059] close(26 [pid 5083] rmdir("./41" [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(27) = -1 EBADF (Bad file descriptor) [pid 5083] <... rmdir resumed>) = 0 [pid 6059] close(28 [pid 5083] mkdir("./42", 0777 [pid 6059] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6059] close(29) = -1 EBADF (Bad file descriptor) [pid 6073] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6063] <... mount resumed>) = 0 [pid 6059] exit_group(0 [pid 5083] <... mkdir resumed>) = 0 [pid 6073] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] <... futex resumed>) = ? [pid 6063] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] <... futex resumed>) = ? [pid 6059] <... exit_group resumed>) = ? [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6074] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6073] <... futex resumed>) = 1 [pid 6070] +++ exited with 0 +++ [pid 6063] <... futex resumed>) = 0 [pid 6061] +++ exited with 0 +++ [pid 6059] +++ exited with 0 +++ [pid 5083] <... openat resumed>) = 3 [pid 6073] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6063] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=116, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} --- [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5083] close(3) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6075 attached ) = 3 [pid 6075] set_robust_list(0x5555565af5e0, 24 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 119 [pid 5080] fstat(3, [pid 6075] <... set_robust_list resumed>) = 0 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6075] chdir("./42" [pid 5080] getdents64(3, [pid 6075] <... chdir resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6075] <... prctl resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6075] setpgid(0, 0 [pid 6062] <... futex resumed>) = 0 [pid 5080] lstat("./43/binderfs", [pid 6075] <... setpgid resumed>) = 0 [pid 6062] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6075] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6063] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = 1 [pid 5080] unlink("./43/binderfs" [pid 5079] <... umount2 resumed>) = 0 [pid 6063] unlink(NULL [pid 6062] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... unlink resumed>) = 0 [pid 6063] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5080] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6063] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6063] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 5080] lstat("./43/cgroup", [pid 6063] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] close(3 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6062] <... close resumed>) = 0 [pid 5080] unlink("./43/cgroup" [pid 6062] close(4 [pid 5080] <... unlink resumed>) = 0 [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6075] <... symlink resumed>) = 0 [pid 6062] close(5 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6075] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./43/cgroup.net", [pid 6062] close(6 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6075] <... symlink resumed>) = 0 [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./43/cgroup.net" [pid 6075] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6062] close(7 [pid 5080] <... unlink resumed>) = 0 [pid 5079] lstat("./42/file0", [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6075] <... symlink resumed>) = 0 [pid 6062] close(8 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6062] close(9) = -1 EBADF (Bad file descriptor) [pid 6075] <... openat resumed>) = 3 [pid 6062] close(10 [pid 6075] write(3, "1000", 4 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6075] <... write resumed>) = 4 [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6075] close(3 [pid 6062] close(11) = -1 EBADF (Bad file descriptor) [pid 6075] <... close resumed>) = 0 [pid 6062] close(12 [pid 5079] <... openat resumed>) = 4 [pid 6075] read(200, [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] fstat(4, [pid 6075] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] close(13 [pid 6075] symlink("/dev/binderfs", "./binderfs" [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6062] close(14 [pid 6075] <... symlink resumed>) = 0 [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] close(15 [pid 5079] getdents64(4, [pid 6075] <... futex resumed>) = 0 [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6062] close(16 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... mmap resumed>) = 0x7f87c84f0000 [pid 6062] close(17 [pid 6075] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 6062] close(18) = -1 EBADF (Bad file descriptor) [pid 6075] <... mprotect resumed>) = 0 [pid 6062] close(19 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6062] close(20) = -1 EBADF (Bad file descriptor) [pid 5079] close(4 [pid 6062] close(21./strace-static-x86_64: Process 6076 attached ) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 6076] set_robust_list(0x7f87c85109e0, 24 [pid 6062] close(22 [pid 6075] <... clone resumed>, parent_tid=[120], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 120 [pid 5079] rmdir("./42/file0" [pid 6076] <... set_robust_list resumed>) = 0 [pid 6075] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] memfd_create("syzkaller", 0 [pid 6075] <... futex resumed>) = 0 [pid 6062] close(23 [pid 5079] <... rmdir resumed>) = 0 [pid 6076] <... memfd_create resumed>) = 3 [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6075] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6062] close(24 [pid 5079] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6076] <... mmap resumed>) = 0x7f87c00f0000 [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6062] close(25 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6062] close(26) = -1 EBADF (Bad file descriptor) [pid 6062] close(27) = -1 EBADF (Bad file descriptor) [pid 6062] close(28) = -1 EBADF (Bad file descriptor) [pid 6062] close(29) = -1 EBADF (Bad file descriptor) [pid 6062] exit_group(0 [pid 6073] <... futex resumed>) = ? [pid 6063] <... futex resumed>) = ? [pid 6062] <... exit_group resumed>) = ? [pid 6073] +++ exited with 0 +++ [pid 6063] +++ exited with 0 +++ [pid 6062] +++ exited with 0 +++ [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=120, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5079] lstat("./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] unlink("./42/cgroup.cpu") = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] getdents64(3, [pid 5082] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5079] close(3 [pid 5082] fstat(3, [pid 5079] <... close resumed>) = 0 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] rmdir("./42") = 0 [pid 5082] getdents64(3, [pid 5079] mkdir("./43", 0777 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] <... mkdir resumed>) = 0 [pid 5082] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... openat resumed>) = 3 [pid 5082] lstat("./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5082] unlink("./42/binderfs") = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5082] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] close(3 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./42/cgroup", [pid 5079] <... close resumed>) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] unlink("./42/cgroup") = 0 [pid 5082] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./42/cgroup.net") = 0 [pid 5082] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6077 attached , child_tidptr=0x5555565af5d0) = 121 [pid 6077] set_robust_list(0x5555565af5e0, 24) = 0 [pid 6077] chdir("./43") = 0 [pid 6077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6077] setpgid(0, 0) = 0 [pid 6077] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6077] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6077] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6071] <... write resumed>) = 4194304 [pid 6077] <... symlink resumed>) = 0 [pid 6076] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6077] write(3, "1000", 4) = 4 [pid 6077] close(3) = 0 [pid 6077] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6077] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6074] <... write resumed>) = 4194304 [pid 6071] munmap(0x7f87c00f0000, 4194304 [pid 6077] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... munmap resumed>) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6074] munmap(0x7f87c00f0000, 4194304 [pid 6071] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6077] <... mmap resumed>) = 0x7f87c84f0000 [pid 6071] <... openat resumed>) = 4 [pid 6077] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6071] ioctl(4, LOOP_SET_FD, 3 [pid 6077] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6078 attached [pid 6078] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 6078] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6077] <... clone resumed>, parent_tid=[122], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 122 [pid 5080] <... umount2 resumed>) = 0 [pid 6077] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... munmap resumed>) = 0 [pid 6071] <... ioctl resumed>) = 0 [pid 6077] <... futex resumed>) = 1 [pid 6078] <... futex resumed>) = 0 [pid 6074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6071] close(3 [pid 6077] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6078] memfd_create("syzkaller", 0) = 3 [pid 6078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6074] <... openat resumed>) = 4 [pid 6071] <... close resumed>) = 0 [pid 5080] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6074] ioctl(4, LOOP_SET_FD, 3 [pid 6071] mkdir("./file0", 0777 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./43/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5080] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6071] <... mkdir resumed>) = 0 [pid 5080] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] close(4) = 0 [pid 5080] rmdir("./43/file0") = 0 [pid 6074] <... ioctl resumed>) = 0 [pid 6071] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5080] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6074] close(3 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./43/cgroup.cpu", [pid 6074] <... close resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./43/cgroup.cpu") = 0 [pid 5080] getdents64(3, [pid 6074] mkdir("./file0", 0777 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6074] <... mkdir resumed>) = 0 [pid 5080] close(3) = 0 [ 133.703730][ T6071] loop3: detected capacity change from 0 to 8192 [ 133.738421][ T6074] loop0: detected capacity change from 0 to 8192 [pid 5080] rmdir("./43" [pid 6074] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5080] <... rmdir resumed>) = 0 [pid 5080] mkdir("./44", 0777) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5080] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5080] close(3) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565af5d0) = 119 [pid 5082] <... umount2 resumed>) = 0 [pid 5082] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./42/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6080 attached [pid 5082] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6080] set_robust_list(0x5555565af5e0, 24 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6080] <... set_robust_list resumed>) = 0 [pid 6080] chdir("./44") = 0 [pid 6080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6080] setpgid(0, 0 [pid 5082] <... openat resumed>) = 4 [pid 5082] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6080] <... setpgid resumed>) = 0 [pid 5082] getdents64(4, [pid 6080] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [ 133.778904][ T6071] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6080] <... symlink resumed>) = 0 [pid 6078] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6076] <... write resumed>) = 4194304 [pid 5082] getdents64(4, [pid 6080] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6080] <... symlink resumed>) = 0 [pid 5082] close(4 [pid 6080] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5082] <... close resumed>) = 0 [pid 6080] <... symlink resumed>) = 0 [pid 5082] rmdir("./42/file0" [pid 6080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] <... rmdir resumed>) = 0 [pid 6080] <... openat resumed>) = 3 [pid 5082] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6080] write(3, "1000", 4 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6080] <... write resumed>) = 4 [pid 5082] lstat("./42/cgroup.cpu", [pid 6080] close(3 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6080] <... close resumed>) = 0 [pid 5082] unlink("./42/cgroup.cpu" [pid 6080] read(200, [pid 5082] <... unlink resumed>) = 0 [pid 6080] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] getdents64(3, [pid 6080] symlink("/dev/binderfs", "./binderfs" [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6080] <... symlink resumed>) = 0 [pid 5082] close(3 [pid 6080] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] munmap(0x7f87c00f0000, 4194304 [pid 5082] <... close resumed>) = 0 [pid 6080] <... futex resumed>) = 0 [pid 5082] rmdir("./42" [pid 6080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] <... rmdir resumed>) = 0 [pid 6080] <... mmap resumed>) = 0x7f87c84f0000 [ 133.824812][ T6074] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 133.830948][ T6071] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 133.848283][ T6071] REISERFS (device loop3): using ordered data mode [ 133.856338][ T6071] reiserfs: using flush barriers [ 133.863636][ T6074] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5082] mkdir("./43", 0777 [pid 6080] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6076] <... munmap resumed>) = 0 [pid 5082] <... mkdir resumed>) = 0 [pid 6080] <... mprotect resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6080] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6082 attached [pid 5082] ioctl(3, LOOP_CLR_FD [pid 6082] set_robust_list(0x7f87c85109e0, 24 [pid 6080] <... clone resumed>, parent_tid=[120], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 120 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6082] <... set_robust_list resumed>) = 0 [pid 6080] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5082] close(3 [pid 6082] memfd_create("syzkaller", 0 [pid 6080] <... futex resumed>) = 0 [pid 6076] <... openat resumed>) = 4 [pid 5082] <... close resumed>) = 0 [ 133.873467][ T6074] REISERFS (device loop0): using ordered data mode [ 133.881380][ T6074] reiserfs: using flush barriers [ 133.887286][ T6071] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6082] <... memfd_create resumed>) = 3 [pid 6080] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6076] ioctl(4, LOOP_SET_FD, 3 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6083 attached [pid 6082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6076] <... ioctl resumed>) = 0 [pid 6083] set_robust_list(0x5555565af5e0, 24 [pid 6082] <... mmap resumed>) = 0x7f87c00f0000 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 123 [pid 6083] <... set_robust_list resumed>) = 0 [pid 6078] <... write resumed>) = 4194304 [pid 6083] chdir("./43") = 0 [pid 6083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6083] setpgid(0, 0) = 0 [pid 6083] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 6083] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 6078] munmap(0x7f87c00f0000, 4194304 [pid 6083] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 6083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6083] write(3, "1000", 4 [pid 6076] close(3 [pid 6083] <... write resumed>) = 4 [pid 6076] <... close resumed>) = 0 [pid 6083] close(3 [pid 6078] <... munmap resumed>) = 0 [pid 6076] mkdir("./file0", 0777 [pid 6083] <... close resumed>) = 0 [pid 6076] <... mkdir resumed>) = 0 [ 133.906269][ T6074] 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 [ 133.929206][ T6076] loop2: detected capacity change from 0 to 8192 [ 133.942244][ T6074] REISERFS (device loop0): checking transaction log (loop0) [ 133.952831][ T6071] REISERFS (device loop3): checking transaction log (loop3) [ 133.961573][ T6074] REISERFS (device loop0): Using r5 hash to sort names [pid 6083] read(200, [pid 6076] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6083] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6083] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6083] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6083] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6083] <... mprotect resumed>) = 0 [pid 6083] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6085 attached [pid 6085] set_robust_list(0x7f87c85109e0, 24 [pid 6083] <... clone resumed>, parent_tid=[124], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 124 [pid 6085] <... set_robust_list resumed>) = 0 [pid 6083] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] memfd_create("syzkaller", 0 [pid 6083] <... futex resumed>) = 0 [pid 6085] <... memfd_create resumed>) = 3 [pid 6083] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 133.971756][ T6074] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 133.985914][ T6071] REISERFS (device loop3): Using r5 hash to sort names [ 133.994130][ T6071] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 134.010002][ T6074] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 6085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6078] <... openat resumed>) = 4 [pid 6078] ioctl(4, LOOP_SET_FD, 3 [pid 6082] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6078] <... ioctl resumed>) = 0 [pid 6074] <... mount resumed>) = 0 [pid 6078] close(3 [pid 6074] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6078] <... close resumed>) = 0 [pid 6074] <... openat resumed>) = 3 [pid 6078] mkdir("./file0", 0777 [pid 6074] chdir("./file0" [pid 6078] <... mkdir resumed>) = 0 [pid 6074] <... chdir resumed>) = 0 [pid 6078] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6074] ioctl(4, LOOP_CLR_FD) = 0 [ 134.017602][ T6076] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 134.027369][ T6071] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 134.045034][ T6078] loop1: detected capacity change from 0 to 8192 [pid 6074] close(4 [pid 6085] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6074] <... close resumed>) = 0 [pid 6074] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6072] <... futex resumed>) = 0 [pid 6074] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = 0 [pid 6074] mkdir("./file1", 000 [pid 6072] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] <... mkdir resumed>) = 0 [pid 6074] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6072] <... futex resumed>) = 0 [pid 6074] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = 0 [pid 6074] mkdir("./bus", 000 [pid 6072] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] <... mkdir resumed>) = 0 [pid 6074] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6072] <... futex resumed>) = 0 [pid 6074] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = 0 [pid 6074] mkdir("./file0", 000 [pid 6072] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] <... mkdir resumed>) = 0 [pid 6074] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6072] <... futex resumed>) = 0 [pid 6074] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = 0 [ 134.074256][ T6076] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 134.097696][ T6078] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6074] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6072] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] <... write resumed>) = 4194304 [pid 6071] <... mount resumed>) = 0 [pid 6085] munmap(0x7f87c00f0000, 4194304 [pid 6071] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6085] <... munmap resumed>) = 0 [pid 6071] <... openat resumed>) = 3 [ 134.129736][ T6074] overlayfs: upper fs needs to support d_type. [ 134.136245][ T6074] overlayfs: upper fs does not support tmpfile. [ 134.138377][ T6076] REISERFS (device loop2): using ordered data mode [ 134.151142][ T6076] reiserfs: using flush barriers [ 134.159232][ T6078] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 6085] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6071] chdir("./file0" [pid 6085] <... openat resumed>) = 4 [pid 6085] ioctl(4, LOOP_SET_FD, 3 [pid 6071] <... chdir resumed>) = 0 [ 134.159581][ T6076] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 134.169405][ T6078] REISERFS (device loop1): using ordered data mode [ 134.195945][ T6078] reiserfs: using flush barriers [ 134.204035][ T6085] loop5: detected capacity change from 0 to 8192 [pid 6071] ioctl(4, LOOP_CLR_FD) = 0 [pid 6085] <... ioctl resumed>) = 0 [pid 6071] close(4 [pid 6085] close(3 [pid 6074] <... mount resumed>) = 0 [pid 6071] <... close resumed>) = 0 [pid 6085] <... close resumed>) = 0 [pid 6071] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6074] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6072] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] mkdir("./file0", 0777 [pid 6074] mkdir(".", 0777 [pid 6071] <... futex resumed>) = 1 [pid 6069] <... futex resumed>) = 0 [pid 6072] <... futex resumed>) = 0 [pid 6085] <... mkdir resumed>) = 0 [pid 6074] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6072] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6071] mkdir("./file1", 000 [pid 6069] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6074] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6071] <... mkdir resumed>) = 0 [pid 6069] <... futex resumed>) = 0 [pid 6071] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 134.213728][ T6078] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 134.234397][ T6074] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 134.248242][ T6078] REISERFS (device loop1): checking transaction log (loop1) [ 134.261748][ T6076] REISERFS (device loop2): checking transaction log (loop2) [pid 6069] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6071] <... futex resumed>) = 0 [pid 6071] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6074] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... futex resumed>) = 0 [pid 6071] <... futex resumed>) = 0 [pid 6069] <... futex resumed>) = 1 [pid 6074] <... futex resumed>) = 1 [pid 6072] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] mkdir("./bus", 000 [pid 6069] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] unlink(NULL [pid 6072] <... futex resumed>) = 0 [pid 6071] <... mkdir resumed>) = 0 [pid 6072] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6074] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6071] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... futex resumed>) = 0 [pid 6071] <... futex resumed>) = 1 [ 134.281531][ T6078] REISERFS (device loop1): Using r5 hash to sort names [ 134.288599][ T6074] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 134.289912][ T6076] REISERFS (device loop2): Using r5 hash to sort names [ 134.315793][ T6085] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6069] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] mkdir("./file0", 000 [pid 6069] <... futex resumed>) = 0 [pid 6069] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] <... mkdir resumed>) = 0 [pid 6074] <... futex resumed>) = 1 [pid 6072] <... futex resumed>) = 0 [pid 6071] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6069] <... futex resumed>) = 0 [pid 6074] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] close(3 [pid 6069] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6082] <... write resumed>) = 4194304 [pid 6072] <... close resumed>) = 0 [pid 6069] <... futex resumed>) = 0 [pid 6069] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] close(4) = -1 EBADF (Bad file descriptor) [pid 6082] munmap(0x7f87c00f0000, 4194304 [pid 6072] close(5 [pid 6082] <... munmap resumed>) = 0 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6072] close(6 [pid 6082] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6082] <... openat resumed>) = 4 [pid 6072] close(7 [pid 6082] ioctl(4, LOOP_SET_FD, 3 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6072] close(8) = -1 EBADF (Bad file descriptor) [pid 6072] close(9) = -1 EBADF (Bad file descriptor) [pid 6072] close(10) = -1 EBADF (Bad file descriptor) [pid 6072] close(11) = -1 EBADF (Bad file descriptor) [pid 6072] close(12) = -1 EBADF (Bad file descriptor) [pid 6072] close(13) = -1 EBADF (Bad file descriptor) [pid 6072] close(14) = -1 EBADF (Bad file descriptor) [pid 6072] close(15) = -1 EBADF (Bad file descriptor) [pid 6072] close(16 [pid 6082] <... ioctl resumed>) = 0 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 134.333667][ T6078] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 134.352662][ T6071] overlayfs: upper fs needs to support d_type. [ 134.362496][ T6082] loop4: detected capacity change from 0 to 8192 [ 134.373727][ T6071] overlayfs: upper fs does not support tmpfile. [pid 6072] close(17) = -1 EBADF (Bad file descriptor) [pid 6082] close(3) = 0 [pid 6072] close(18 [pid 6082] mkdir("./file0", 0777 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6072] close(19) = -1 EBADF (Bad file descriptor) [pid 6072] close(20) = -1 EBADF (Bad file descriptor) [pid 6072] close(21) = -1 EBADF (Bad file descriptor) [pid 6082] <... mkdir resumed>) = 0 [pid 6072] close(22 [pid 6069] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6082] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6069] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] close(23 [pid 6069] <... futex resumed>) = 0 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6072] close(24) = -1 EBADF (Bad file descriptor) [ 134.383504][ T6085] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 134.394604][ T6078] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 134.413199][ T6071] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 134.422834][ T6085] REISERFS (device loop5): using ordered data mode [pid 6072] close(25) = -1 EBADF (Bad file descriptor) [pid 6072] close(26) = -1 EBADF (Bad file descriptor) [pid 6072] close(27) = -1 EBADF (Bad file descriptor) [pid 6078] <... mount resumed>) = 0 [pid 6072] close(28 [pid 6069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6078] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6072] close(29) = -1 EBADF (Bad file descriptor) [pid 6078] <... openat resumed>) = 3 [pid 6072] exit_group(0 [pid 6074] <... futex resumed>) = ? [pid 6072] <... exit_group resumed>) = ? [pid 6069] <... mmap resumed>) = 0x7f87c04cf000 [pid 6078] chdir("./file0" [pid 6074] +++ exited with 0 +++ [pid 6072] +++ exited with 0 +++ [pid 6071] <... mount resumed>) = 0 [pid 6069] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6078] <... chdir resumed>) = 0 [pid 6078] ioctl(4, LOOP_CLR_FD [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=115, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 6078] <... ioctl resumed>) = 0 [ 134.423207][ T6082] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 134.430540][ T6076] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 134.468853][ T6085] reiserfs: using flush barriers [pid 6078] close(4 [pid 5078] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6078] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6078] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... mprotect resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6078] <... futex resumed>) = 1 [pid 6071] <... futex resumed>) = 0 [pid 6078] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6077] <... futex resumed>) = 0 [pid 6071] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6069] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5078] <... openat resumed>) = 3 [pid 5078] fstat(3, ./strace-static-x86_64: Process 6089 attached [pid 6077] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6089] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = 1 [pid 6089] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] mkdir("./file1", 000 [pid 6077] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] <... mkdir resumed>) = 0 [pid 6078] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6077] <... futex resumed>) = 0 [pid 6078] mkdir("./bus", 000 [pid 6077] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] <... mkdir resumed>) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6078] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6078] mkdir("./file0", 000 [pid 6077] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] <... mkdir resumed>) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6078] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6078] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6077] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] getdents64(3, [pid 6069] <... clone resumed>, parent_tid=[127], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 127 [pid 6069] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6089] <... futex resumed>) = 0 [pid 6069] <... futex resumed>) = 1 [pid 5078] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6089] mkdir(".", 0777 [pid 6069] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6089] <... mkdir resumed>) = -1 EEXIST (File exists) [ 134.490217][ T6082] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 134.507606][ T6085] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6077] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] lstat("./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./42/binderfs") = 0 [pid 5078] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./42/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./42/cgroup") = 0 [pid 5078] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 134.537822][ T6082] REISERFS (device loop4): using ordered data mode [ 134.552200][ T6078] overlayfs: upper fs needs to support d_type. [ 134.553479][ T6082] reiserfs: using flush barriers [ 134.565020][ T6089] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 134.565951][ T6076] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5078] lstat("./42/cgroup.net", [pid 6077] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6077] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./42/cgroup.net") = 0 [pid 5078] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6077] <... mmap resumed>) = 0x7f87c04cf000 [pid 6077] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6077] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[123], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 123 [pid 6077] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 134.593170][ T6085] REISERFS (device loop5): checking transaction log (loop5) [ 134.612425][ T6082] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 134.618646][ T6078] overlayfs: upper fs does not support tmpfile. [pid 6077] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6089] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6076] <... mount resumed>) = 0 [pid 6089] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6069] <... futex resumed>) = 0 [pid 6089] <... futex resumed>) = 1 [pid 6076] <... openat resumed>) = 3 [pid 6089] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6069] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] chdir("./file0" [pid 6071] <... futex resumed>) = 0 [pid 6069] <... futex resumed>) = 1 [pid 6076] <... chdir resumed>) = 0 [pid 6071] unlink(NULL [pid 6069] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] <... mount resumed>) = 0 [pid 6076] ioctl(4, LOOP_CLR_FD [pid 6071] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6085] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6076] <... ioctl resumed>) = 0 [pid 6071] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6090 attached [pid 6085] <... openat resumed>) = 3 [pid 6076] close(4 [pid 6071] <... futex resumed>) = 1 [ 134.637381][ T6085] REISERFS (device loop5): Using r5 hash to sort names [ 134.650192][ T6085] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 134.667683][ T6085] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 134.680099][ T6082] REISERFS (device loop4): checking transaction log (loop4) [pid 6069] <... futex resumed>) = 0 [pid 6069] close(3 [pid 6076] <... close resumed>) = 0 [pid 6071] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] chdir("./file0" [pid 6076] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... chdir resumed>) = 0 [pid 6069] <... close resumed>) = 0 [pid 6085] ioctl(4, LOOP_CLR_FD [pid 6076] <... futex resumed>) = 1 [pid 6075] <... futex resumed>) = 0 [pid 6069] close(4 [pid 6085] <... ioctl resumed>) = 0 [pid 6076] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... futex resumed>) = 0 [pid 6075] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6090] set_robust_list(0x7f87c04ef9e0, 24 [pid 6085] close(4 [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6069] close(5 [pid 6078] <... mount resumed>) = 0 [ 134.692368][ T6078] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 134.712142][ T6082] REISERFS (device loop4): Using r5 hash to sort names [pid 6090] <... set_robust_list resumed>) = 0 [pid 6085] <... close resumed>) = 0 [pid 6078] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] mkdir("./file1", 000 [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6069] close(6 [pid 6085] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... mkdir resumed>) = 0 [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] mkdir(".", 0777 [pid 6085] <... futex resumed>) = 1 [pid 6083] <... futex resumed>) = 0 [pid 6090] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6078] <... futex resumed>) = 0 [pid 6076] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] close(7 [pid 6085] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6083] <... futex resumed>) = 0 [pid 6078] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] <... futex resumed>) = 1 [pid 6075] <... futex resumed>) = 0 [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] mkdir("./file1", 000 [pid 6083] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6076] mkdir("./bus", 000 [pid 6075] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] close(8 [pid 6085] <... mkdir resumed>) = 0 [pid 6076] <... mkdir resumed>) = 0 [pid 6075] <... futex resumed>) = 0 [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 134.732147][ T6082] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6075] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6075] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6075] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] close(9 [pid 6085] <... futex resumed>) = 1 [pid 6083] <... futex resumed>) = 0 [pid 6076] <... futex resumed>) = 1 [pid 6075] <... futex resumed>) = 0 [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] mkdir("./file0", 000 [pid 6075] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=37000000} [pid 6069] close(10 [pid 6085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6083] <... futex resumed>) = 0 [pid 6076] <... mkdir resumed>) = 0 [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6082] <... mount resumed>) = 0 [pid 6090] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] mkdir("./bus", 000 [pid 6083] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6082] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6076] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] close(11 [pid 6090] <... futex resumed>) = 1 [pid 6085] <... mkdir resumed>) = 0 [pid 6082] <... openat resumed>) = 3 [pid 6077] <... futex resumed>) = 0 [pid 6076] <... futex resumed>) = 1 [pid 6075] <... futex resumed>) = 0 [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6090] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] chdir("./file0" [pid 6077] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] close(12 [pid 6085] <... futex resumed>) = 1 [pid 6083] <... futex resumed>) = 0 [pid 6082] <... chdir resumed>) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = 1 [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6075] <... futex resumed>) = 0 [ 134.771014][ T6090] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 134.793362][ T6082] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] mkdir("./file0", 000 [pid 6083] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] ioctl(4, LOOP_CLR_FD [pid 6078] unlink(NULL [pid 6077] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6076] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6075] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] close(13 [pid 6085] <... mkdir resumed>) = 0 [pid 6083] <... futex resumed>) = 0 [pid 6082] <... ioctl resumed>) = 0 [pid 6078] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] close(4 [pid 6078] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] close(14 [pid 6085] <... futex resumed>) = 0 [pid 6083] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6082] <... close resumed>) = 0 [pid 6078] <... futex resumed>) = 1 [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = 0 [pid 6085] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6077] <... futex resumed>) = 0 [pid 6069] close(15 [pid 6083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6082] <... futex resumed>) = 1 [pid 6080] <... futex resumed>) = 0 [pid 6077] close(3 [pid 5078] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6083] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... close resumed>) = 0 [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6085] <... futex resumed>) = 0 [pid 6083] <... futex resumed>) = 1 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6077] close(4 [pid 5078] lstat("./42/file0", [pid 6083] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6077] close(5 [pid 5078] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6085] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6082] mkdir("./file1", 000 [pid 6080] <... futex resumed>) = 0 [pid 6077] close(6 [pid 6069] close(16 [pid 5078] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6082] <... mkdir resumed>) = 0 [pid 6080] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 4 [pid 6077] close(7 [pid 5078] fstat(4, [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 134.842055][ T6076] overlayfs: upper fs needs to support d_type. [ 134.860072][ T6076] overlayfs: upper fs does not support tmpfile. [ 134.877280][ T6076] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6077] close(8 [pid 5078] getdents64(4, [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6077] close(9 [pid 5078] getdents64(4, [pid 6082] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6069] close(17 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6082] <... futex resumed>) = 1 [pid 6080] <... futex resumed>) = 0 [pid 6077] close(10 [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(4 [pid 6082] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6069] close(18 [pid 5078] <... close resumed>) = 0 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... futex resumed>) = 0 [pid 6077] close(11 [pid 6075] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] rmdir("./42/file0" [pid 6082] mkdir("./bus", 000 [pid 6080] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... futex resumed>) = 0 [pid 6069] close(19 [pid 5078] <... rmdir resumed>) = 0 [pid 6077] close(12 [pid 6075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... mmap resumed>) = 0x7f87c04cf000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6077] close(13 [pid 6075] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5078] lstat("./42/cgroup.cpu", [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] <... mprotect resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6082] <... mkdir resumed>) = 0 [pid 6077] close(14 [pid 6075] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./42/cgroup.cpu"./strace-static-x86_64: Process 6091 attached [pid 6082] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6069] close(20 [pid 5078] <... unlink resumed>) = 0 [pid 6091] set_robust_list(0x7f87c04ef9e0, 24 [pid 6082] <... futex resumed>) = 1 [pid 6080] <... futex resumed>) = 0 [pid 6077] close(15 [pid 6075] <... clone resumed>, parent_tid=[121], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 121 [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(3, [pid 6091] <... set_robust_list resumed>) = 0 [pid 6082] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] close(21 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6091] mkdir(".", 0777 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... futex resumed>) = 0 [pid 6077] close(16 [pid 6076] <... mount resumed>) = 0 [pid 6075] <... futex resumed>) = 0 [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(3 [pid 6091] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6082] mkdir("./file0", 000 [pid 6080] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6069] close(22 [pid 5078] <... close resumed>) = 0 [pid 6091] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6077] close(17 [pid 5078] rmdir("./42" [pid 6083] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6082] <... mkdir resumed>) = 0 [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... futex resumed>) = 0 [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... rmdir resumed>) = 0 [ 134.888802][ T6085] overlayfs: upper fs needs to support d_type. [ 134.904467][ T6085] overlayfs: upper fs does not support tmpfile. [ 134.927349][ T6085] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6083] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] close(18 [pid 6076] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6069] close(23 [pid 5078] mkdir("./43", 0777 [pid 6085] <... mount resumed>) = 0 [pid 6083] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = 1 [pid 6080] <... futex resumed>) = 0 [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] close(24 [pid 6085] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... futex resumed>) = 0 [pid 6069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6082] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6080] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] close(25) = -1 EBADF (Bad file descriptor) [pid 6069] close(26) = -1 EBADF (Bad file descriptor) [pid 6069] close(27) = -1 EBADF (Bad file descriptor) [pid 6069] close(28) = -1 EBADF (Bad file descriptor) [pid 6069] close(29) = -1 EBADF (Bad file descriptor) [pid 6069] exit_group(0 [pid 6089] <... futex resumed>) = ? [pid 6071] <... futex resumed>) = ? [pid 6069] <... exit_group resumed>) = ? [pid 6089] +++ exited with 0 +++ [pid 6071] +++ exited with 0 +++ [pid 6069] +++ exited with 0 +++ [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=125, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} --- [pid 6083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6077] close(19 [pid 5078] <... mkdir resumed>) = 0 [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5081] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./43/binderfs", [pid 6083] <... mmap resumed>) = 0x7f87c04cf000 [pid 6077] close(20 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5081] unlink("./43/binderfs") = 0 [pid 5081] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./43/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] unlink("./43/cgroup" [pid 6083] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... unlink resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 6083] <... mprotect resumed>) = 0 [pid 6077] close(21 [pid 5081] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6083] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./43/cgroup.net") = 0 [pid 5081] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6091] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6091] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6091] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 6092 attached [pid 6077] close(22 [pid 6092] set_robust_list(0x7f87c04ef9e0, 24 [pid 5078] close(3 [pid 6092] <... set_robust_list resumed>) = 0 [pid 6092] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] <... close resumed>) = 0 [pid 6082] <... mount resumed>) = 0 [pid 6082] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6080] <... futex resumed>) = 0 [pid 6083] <... clone resumed>, parent_tid=[125], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 125 [pid 6082] mkdir(".", 0777 [pid 6080] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6083] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6080] <... futex resumed>) = 0 [pid 6077] close(23 [pid 6082] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6080] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6093 attached [pid 6093] set_robust_list(0x5555565af5e0, 24 [pid 6092] <... futex resumed>) = 0 [pid 6083] <... futex resumed>) = 1 [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 134.942741][ T6091] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 134.959137][ T6082] overlayfs: upper fs needs to support d_type. [ 134.966777][ T6082] overlayfs: upper fs does not support tmpfile. [ 134.976397][ T6082] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6093] <... set_robust_list resumed>) = 0 [pid 6092] mkdir(".", 0777 [pid 6083] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6077] close(24 [pid 6075] <... futex resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 117 [pid 6093] chdir("./43" [pid 6092] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... chdir resumed>) = 0 [pid 6092] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6077] close(25 [pid 6076] <... futex resumed>) = 0 [pid 6075] <... futex resumed>) = 1 [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6093] <... prctl resumed>) = 0 [pid 6077] close(26 [pid 6093] setpgid(0, 0 [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] unlink(NULL [pid 6093] <... setpgid resumed>) = 0 [pid 6077] close(27 [pid 6093] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6076] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6093] <... symlink resumed>) = 0 [pid 6077] close(28 [pid 6093] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] <... symlink resumed>) = 0 [pid 6077] close(29 [pid 6076] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] <... symlink resumed>) = 0 [pid 6077] exit_group(0 [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6090] <... futex resumed>) = ? [pid 6078] <... futex resumed>) = ? [pid 6077] <... exit_group resumed>) = ? [pid 6076] <... futex resumed>) = 1 [pid 6075] <... futex resumed>) = 0 [pid 6093] <... openat resumed>) = 3 [pid 6090] +++ exited with 0 +++ [pid 6078] +++ exited with 0 +++ [pid 6077] +++ exited with 0 +++ [pid 6076] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] close(3 [pid 6093] write(3, "1000", 4 [pid 6075] <... close resumed>) = 0 [pid 6093] <... write resumed>) = 4 [pid 6075] close(4 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=121, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 6093] close(3 [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 6093] <... close resumed>) = 0 [pid 6075] close(5 [pid 6093] read(200, [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... restart_syscall resumed>) = 0 [pid 6093] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6075] close(6 [pid 6093] symlink("/dev/binderfs", "./binderfs" [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] <... symlink resumed>) = 0 [pid 6075] close(7 [pid 6093] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] <... futex resumed>) = 0 [pid 6075] close(8 [pid 6093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] <... mmap resumed>) = 0x7f87c84f0000 [pid 6075] close(9 [pid 5079] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6093] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] <... mprotect resumed>) = 0 [pid 6075] close(10 [pid 5079] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6093] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6094 attached [pid 6075] close(11 [pid 5079] <... openat resumed>) = 3 [pid 6094] set_robust_list(0x7f87c85109e0, 24 [pid 6093] <... clone resumed>, parent_tid=[118], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 118 [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] <... set_robust_list resumed>) = 0 [pid 6093] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] close(12 [pid 6094] memfd_create("syzkaller", 0 [pid 6093] <... futex resumed>) = 0 [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] <... memfd_create resumed>) = 3 [pid 6093] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6075] close(13 [pid 6094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] <... mmap resumed>) = 0x7f87c00f0000 [pid 6075] close(14) = -1 EBADF (Bad file descriptor) [pid 6075] close(15) = -1 EBADF (Bad file descriptor) [pid 6075] close(16) = -1 EBADF (Bad file descriptor) [pid 6075] close(17) = -1 EBADF (Bad file descriptor) [pid 6075] close(18 [pid 5079] fstat(3, [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] close(19) = -1 EBADF (Bad file descriptor) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6075] close(20) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 6075] close(21) = -1 EBADF (Bad file descriptor) [pid 6075] close(22) = -1 EBADF (Bad file descriptor) [pid 6075] close(23 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6075] close(24) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6075] close(25 [pid 5079] lstat("./43/binderfs", [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] close(26 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] close(27 [pid 5079] unlink("./43/binderfs" [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] close(28) = -1 EBADF (Bad file descriptor) [pid 6075] close(29 [pid 5079] <... unlink resumed>) = 0 [pid 6075] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6075] exit_group(0 [pid 6091] <... futex resumed>) = ? [pid 6076] <... futex resumed>) = ? [pid 6075] <... exit_group resumed>) = ? [pid 6091] +++ exited with 0 +++ [pid 6076] +++ exited with 0 +++ [pid 6075] +++ exited with 0 +++ [pid 5079] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=119, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=25 /* 0.25 s */} --- [pid 5079] lstat("./43/cgroup", [pid 5083] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] unlink("./43/cgroup" [pid 5083] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... unlink resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 5079] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] fstat(3, [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6092] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] lstat("./43/cgroup.net", [pid 6092] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5083] getdents64(3, [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6092] <... futex resumed>) = 1 [pid 6083] <... futex resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] unlink("./43/cgroup.net" [pid 6092] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... unlink resumed>) = 0 [pid 6083] <... futex resumed>) = 1 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6083] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] lstat("./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] unlink("./42/binderfs") = 0 [pid 5083] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./42/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./42/cgroup") = 0 [pid 5083] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./42/cgroup.net" [pid 6094] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6085] <... futex resumed>) = 0 [pid 6082] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... unlink resumed>) = 0 [pid 6085] unlink(NULL [pid 6082] <... futex resumed>) = 1 [pid 6080] <... futex resumed>) = 0 [pid 5083] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6082] unlink(NULL [pid 6080] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6080] <... futex resumed>) = 0 [pid 6082] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6085] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 135.033565][ T6092] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 135.056865][ T6082] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6080] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] <... futex resumed>) = 1 [pid 6083] <... futex resumed>) = 0 [pid 6082] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] close(3 [pid 6082] <... futex resumed>) = 1 [pid 6080] <... futex resumed>) = 0 [pid 6083] <... close resumed>) = 0 [pid 6082] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] close(4 [pid 6080] close(3 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = 0 [pid 6083] close(5 [pid 6080] close(4 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] close(6 [pid 6080] close(5 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] close(7 [pid 6080] close(6 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] close(8 [pid 6080] close(7 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] close(9 [pid 6080] close(8 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6083] close(10 [pid 6080] close(9 [pid 5081] <... umount2 resumed>) = 0 [pid 6094] <... write resumed>) = 4194304 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = 0 [pid 6094] munmap(0x7f87c00f0000, 4194304 [pid 6083] close(11 [pid 6080] close(10 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6094] <... munmap resumed>) = 0 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./43/file0", [pid 6094] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6083] close(12 [pid 6080] close(11 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6094] <... openat resumed>) = 4 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6094] ioctl(4, LOOP_SET_FD, 3 [pid 6083] close(13 [pid 6080] close(12 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./43/file0", [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6083] close(14 [pid 6080] close(13 [pid 5081] <... openat resumed>) = 4 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] fstat(4, [pid 6083] close(15 [pid 6080] close(14 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(4, [pid 6083] close(16 [pid 6080] close(15 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(4, [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6083] close(17 [pid 6080] close(16 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(4 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6094] <... ioctl resumed>) = 0 [pid 6083] close(18 [pid 6080] close(17 [pid 5081] <... close resumed>) = 0 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] rmdir("./43/file0" [pid 6083] close(19 [pid 6080] close(18 [pid 5081] <... rmdir resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... openat resumed>) = 4 [pid 6083] close(20 [pid 6080] close(19 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6094] close(3 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./43/cgroup.cpu", [pid 5079] fstat(4, [pid 6094] <... close resumed>) = 0 [pid 6083] close(21 [pid 6080] close(20 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6094] mkdir("./file0", 0777 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] unlink("./43/cgroup.cpu" [pid 5083] <... umount2 resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6094] <... mkdir resumed>) = 0 [pid 6083] close(22 [pid 6080] close(21 [pid 5083] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... unlink resumed>) = 0 [pid 5079] getdents64(4, [pid 6094] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] getdents64(3, [pid 6083] close(23 [pid 6080] close(22 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 5079] getdents64(4, [pid 5083] lstat("./42/file0", [pid 6083] close(24 [pid 6080] close(23 [pid 5081] <... close resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] rmdir("./43" [pid 5083] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] close(4 [pid 6083] close(25 [pid 6080] close(24 [pid 5081] <... rmdir resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] mkdir("./44", 0777 [pid 6083] close(26 [pid 6080] close(25 [pid 5081] <... mkdir resumed>) = 0 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6083] close(27 [pid 6080] close(26 [pid 5081] <... openat resumed>) = 3 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] ioctl(3, LOOP_CLR_FD [pid 6083] close(28 [pid 6080] close(27 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 6083] close(29 [pid 6080] close(28 [pid 5081] <... close resumed>) = 0 [pid 6083] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6096 attached [pid 6083] exit_group(0 [pid 6080] close(29 [pid 5079] rmdir("./43/file0" [pid 6096] set_robust_list(0x5555565af5e0, 24 [pid 6092] <... futex resumed>) = ? [pid 6085] <... futex resumed>) = ? [pid 6083] <... exit_group resumed>) = ? [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 128 [pid 6096] <... set_robust_list resumed>) = 0 [pid 6092] +++ exited with 0 +++ [pid 6085] +++ exited with 0 +++ [pid 6083] +++ exited with 0 +++ [pid 6080] exit_group(0 [pid 5083] <... openat resumed>) = 4 [pid 5079] <... rmdir resumed>) = 0 [pid 6096] chdir("./44" [pid 6082] <... futex resumed>) = ? [pid 6080] <... exit_group resumed>) = ? [ 135.219398][ T6094] loop0: detected capacity change from 0 to 8192 [ 135.253138][ T6094] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5083] fstat(4, [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=123, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5079] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6096] <... chdir resumed>) = 0 [pid 6082] +++ exited with 0 +++ [pid 6080] +++ exited with 0 +++ [pid 6096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6096] setpgid(0, 0) = 0 [pid 6096] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6096] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6096] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6096] write(3, "1000", 4) = 4 [pid 6096] close(3) = 0 [pid 6096] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6096] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6096] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6096] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=119, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} --- [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6096] <... mprotect resumed>) = 0 [pid 6096] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6097 attached [pid 6097] set_robust_list(0x7f87c85109e0, 24 [pid 6096] <... clone resumed>, parent_tid=[129], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 129 [pid 6097] <... set_robust_list resumed>) = 0 [pid 6096] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] memfd_create("syzkaller", 0 [pid 6096] <... futex resumed>) = 0 [pid 6097] <... memfd_create resumed>) = 3 [pid 6096] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5083] getdents64(4, [pid 5079] lstat("./43/cgroup.cpu", [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6097] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5083] getdents64(4, [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] unlink("./43/cgroup.cpu" [pid 5082] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... unlink resumed>) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5079] getdents64(3, [pid 5082] fstat(3, [pid 5080] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] close(3 [pid 5082] getdents64(3, [pid 5080] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... close resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5080] <... openat resumed>) = 3 [ 135.277515][ T6094] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 135.293461][ T6094] REISERFS (device loop0): using ordered data mode [ 135.300574][ T6094] reiserfs: using flush barriers [ 135.309890][ T6094] 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 5079] rmdir("./43" [pid 5083] close(4 [pid 5082] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] fstat(3, [pid 5079] <... rmdir resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] mkdir("./44", 0777 [pid 5083] rmdir("./42/file0" [pid 5082] lstat("./43/binderfs", [pid 5080] getdents64(3, [pid 5079] <... mkdir resumed>) = 0 [pid 5083] <... rmdir resumed>) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5083] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] unlink("./43/binderfs" [pid 5080] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... openat resumed>) = 3 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... unlink resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5083] lstat("./42/cgroup.cpu", [pid 5082] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] lstat("./44/binderfs", [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] close(3 [pid 5083] unlink("./42/cgroup.cpu" [pid 5082] lstat("./43/cgroup", [pid 5080] unlink("./44/binderfs" [pid 5079] <... close resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6098 attached [pid 5083] getdents64(3, [pid 5082] unlink("./43/cgroup" [pid 5080] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6098] set_robust_list(0x5555565af5e0, 24 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 124 [pid 6098] <... set_robust_list resumed>) = 0 [pid 5083] close(3 [pid 5082] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] lstat("./44/cgroup", [pid 6098] chdir("./44" [pid 5083] <... close resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6098] <... chdir resumed>) = 0 [pid 5083] rmdir("./42" [pid 5082] lstat("./43/cgroup.net", [pid 5080] unlink("./44/cgroup" [pid 6098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] <... rmdir resumed>) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 6098] <... prctl resumed>) = 0 [pid 5083] mkdir("./43", 0777 [pid 5082] unlink("./43/cgroup.net" [pid 5080] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6098] setpgid(0, 0 [pid 5083] <... mkdir resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6098] <... setpgid resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5082] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] lstat("./44/cgroup.net", [pid 6098] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5083] <... openat resumed>) = 3 [pid 6098] <... symlink resumed>) = 0 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6098] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5080] unlink("./44/cgroup.net" [pid 6098] <... symlink resumed>) = 0 [ 135.329666][ T6094] REISERFS (device loop0): checking transaction log (loop0) [pid 5083] close(3 [pid 6098] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5080] <... unlink resumed>) = 0 [pid 6097] <... write resumed>) = 4194304 [pid 5083] <... close resumed>) = 0 [pid 5080] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6098] <... symlink resumed>) = 0 [pid 6097] munmap(0x7f87c00f0000, 4194304 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6099 attached [pid 6098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6097] <... munmap resumed>) = 0 [pid 6099] set_robust_list(0x5555565af5e0, 24 [pid 6098] <... openat resumed>) = 3 [pid 6097] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6098] write(3, "1000", 4 [pid 6097] <... openat resumed>) = 4 [pid 6098] <... write resumed>) = 4 [pid 6097] ioctl(4, LOOP_SET_FD, 3 [pid 6099] <... set_robust_list resumed>) = 0 [pid 6098] close(3 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 122 [pid 6099] chdir("./43" [pid 6098] <... close resumed>) = 0 [pid 6099] <... chdir resumed>) = 0 [pid 6098] read(200, [pid 6099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6098] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] symlink("/dev/binderfs", "./binderfs" [pid 6099] <... prctl resumed>) = 0 [pid 6098] <... symlink resumed>) = 0 [pid 6099] setpgid(0, 0 [pid 6098] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... setpgid resumed>) = 0 [pid 6098] <... futex resumed>) = 0 [pid 6098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6099] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6098] <... mmap resumed>) = 0x7f87c84f0000 [pid 6098] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6099] <... symlink resumed>) = 0 [pid 6098] <... mprotect resumed>) = 0 [pid 6099] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6098] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6100 attached [pid 6100] set_robust_list(0x7f87c85109e0, 24 [pid 6099] <... symlink resumed>) = 0 [pid 6098] <... clone resumed>, parent_tid=[125], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 125 [pid 6100] <... set_robust_list resumed>) = 0 [pid 6099] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6098] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] memfd_create("syzkaller", 0 [pid 6098] <... futex resumed>) = 0 [pid 6100] <... memfd_create resumed>) = 3 [pid 6099] <... symlink resumed>) = 0 [pid 6098] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 135.407239][ T6094] REISERFS (device loop0): Using r5 hash to sort names [ 135.414645][ T6094] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 135.421088][ T6097] loop3: detected capacity change from 0 to 8192 [ 135.438181][ T6094] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6100] <... mmap resumed>) = 0x7f87c00f0000 [pid 6099] <... openat resumed>) = 3 [pid 6097] <... ioctl resumed>) = 0 [pid 6099] write(3, "1000", 4 [pid 6097] close(3 [pid 6099] <... write resumed>) = 4 [pid 6097] <... close resumed>) = 0 [pid 6099] close(3 [pid 6097] mkdir("./file0", 0777 [pid 6099] <... close resumed>) = 0 [pid 6099] read(200, [pid 6097] <... mkdir resumed>) = 0 [pid 6099] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6097] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6099] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6094] <... mount resumed>) = 0 [pid 6099] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6094] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6099] <... mmap resumed>) = 0x7f87c84f0000 [pid 6099] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6099] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6102 attached [pid 6094] <... openat resumed>) = 3 [pid 6102] set_robust_list(0x7f87c85109e0, 24 [pid 6099] <... clone resumed>, parent_tid=[123], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 123 [pid 5082] <... umount2 resumed>) = 0 [pid 6094] chdir("./file0") = 0 [pid 6094] ioctl(4, LOOP_CLR_FD) = 0 [pid 6094] close(4 [pid 6102] <... set_robust_list resumed>) = 0 [pid 6099] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... close resumed>) = 0 [pid 6094] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] memfd_create("syzkaller", 0 [pid 6100] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6099] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = 1 [pid 6093] <... futex resumed>) = 0 [pid 5082] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6102] <... memfd_create resumed>) = 3 [pid 6099] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6093] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6093] <... futex resumed>) = 0 [pid 6102] <... mmap resumed>) = 0x7f87c00f0000 [pid 6094] mkdir("./file1", 000 [pid 6093] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... umount2 resumed>) = 0 [pid 6094] <... mkdir resumed>) = 0 [pid 5082] lstat("./43/file0", [ 135.517785][ T6097] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 135.541606][ T6097] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 135.552910][ T6097] REISERFS (device loop3): using ordered data mode [ 135.560704][ T6097] reiserfs: using flush barriers [pid 5080] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6094] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6100] <... write resumed>) = 4194304 [pid 6094] <... futex resumed>) = 1 [pid 6093] <... futex resumed>) = 0 [pid 5082] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6094] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6093] <... futex resumed>) = 0 [pid 5082] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6094] mkdir("./bus", 000 [pid 6093] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... openat resumed>) = 4 [pid 6094] <... mkdir resumed>) = 0 [pid 5082] fstat(4, [pid 6094] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6094] <... futex resumed>) = 1 [pid 6093] <... futex resumed>) = 0 [pid 5082] getdents64(4, [pid 6094] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6093] <... futex resumed>) = 0 [pid 5082] getdents64(4, [pid 6094] mkdir("./file0", 000 [pid 6093] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] lstat("./44/file0", [pid 6100] munmap(0x7f87c00f0000, 4194304 [pid 6094] <... mkdir resumed>) = 0 [pid 5082] close(4 [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6094] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... close resumed>) = 0 [pid 6094] <... futex resumed>) = 1 [pid 6093] <... futex resumed>) = 0 [pid 5082] rmdir("./43/file0" [pid 6094] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... rmdir resumed>) = 0 [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6093] <... futex resumed>) = 0 [pid 5082] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6094] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6093] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6100] <... munmap resumed>) = 0 [pid 5080] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6100] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6100] <... openat resumed>) = 4 [pid 5080] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 135.601135][ T6097] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 135.618807][ T6097] REISERFS (device loop3): checking transaction log (loop3) [ 135.635273][ T6094] overlayfs: upper fs needs to support d_type. [ 135.639582][ T6100] loop1: detected capacity change from 0 to 8192 [pid 6100] ioctl(4, LOOP_SET_FD, 3 [pid 5080] <... openat resumed>) = 4 [pid 6100] <... ioctl resumed>) = 0 [pid 5082] lstat("./43/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./43/cgroup.cpu") = 0 [pid 5082] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] close(3 [pid 6100] close(3 [pid 5082] <... close resumed>) = 0 [pid 5080] fstat(4, [pid 6100] <... close resumed>) = 0 [pid 5082] rmdir("./43" [pid 6100] mkdir("./file0", 0777 [pid 5082] <... rmdir resumed>) = 0 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6094] <... mount resumed>) = 0 [pid 5082] mkdir("./44", 0777) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5082] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 135.644973][ T6097] REISERFS (device loop3): Using r5 hash to sort names [ 135.649493][ T6094] overlayfs: upper fs does not support tmpfile. [ 135.664633][ T6094] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 135.678342][ T6097] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5082] close(3 [pid 6100] <... mkdir resumed>) = 0 [pid 6097] <... mount resumed>) = 0 [pid 6094] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5082] <... close resumed>) = 0 [pid 5080] getdents64(4, [pid 6100] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6094] <... futex resumed>) = 0 [pid 6093] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6104 attached [pid 6094] mkdir(".", 0777 [pid 6093] <... futex resumed>) = 0 [pid 5080] getdents64(4, [pid 6104] set_robust_list(0x5555565af5e0, 24 [pid 6097] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6094] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6093] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 126 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6104] <... set_robust_list resumed>) = 0 [pid 6097] <... openat resumed>) = 3 [pid 6094] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5080] close(4 [pid 6104] chdir("./44" [pid 6097] chdir("./file0" [pid 5080] <... close resumed>) = 0 [pid 6104] <... chdir resumed>) = 0 [pid 6097] <... chdir resumed>) = 0 [ 135.694300][ T6097] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5080] rmdir("./44/file0" [pid 6104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6104] setpgid(0, 0) = 0 [pid 6104] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 6104] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 6104] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 6104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6104] write(3, "1000", 4) = 4 [pid 6104] close(3) = 0 [pid 6104] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6104] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6104] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] ioctl(4, LOOP_CLR_FD [pid 5080] <... rmdir resumed>) = 0 [pid 6104] <... futex resumed>) = 0 [pid 6097] <... ioctl resumed>) = 0 [pid 5080] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6097] close(4 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6104] <... mmap resumed>) = 0x7f87c84f0000 [pid 6104] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6104] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[127], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 127 [pid 6104] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6104] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6105 attached [pid 6097] <... close resumed>) = 0 [pid 6105] set_robust_list(0x7f87c85109e0, 24 [pid 6097] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] lstat("./44/cgroup.cpu", [pid 6105] <... set_robust_list resumed>) = 0 [pid 6097] <... futex resumed>) = 1 [pid 6096] <... futex resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6105] memfd_create("syzkaller", 0 [pid 6097] mkdir("./file1", 000 [pid 6096] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] unlink("./44/cgroup.cpu" [pid 6105] <... memfd_create resumed>) = 3 [pid 6097] <... mkdir resumed>) = 0 [pid 6096] <... futex resumed>) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 6105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6097] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] getdents64(3, [pid 6105] <... mmap resumed>) = 0x7f87c00f0000 [pid 6097] <... futex resumed>) = 0 [pid 6096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 135.728433][ T6100] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 135.752321][ T6094] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 135.761376][ T6100] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 6097] mkdir("./bus", 000 [pid 6096] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6096] <... futex resumed>) = 0 [pid 6096] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] <... mkdir resumed>) = 0 [pid 5080] close(3 [pid 6097] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... close resumed>) = 0 [pid 6096] <... futex resumed>) = 0 [pid 6097] <... futex resumed>) = 1 [pid 6096] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] rmdir("./44" [pid 6097] mkdir("./file0", 000 [pid 6096] <... futex resumed>) = 0 [pid 6096] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... rmdir resumed>) = 0 [pid 6097] <... mkdir resumed>) = 0 [pid 5080] mkdir("./45", 0777 [pid 6097] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... mkdir resumed>) = 0 [pid 6097] <... futex resumed>) = 1 [pid 6096] <... futex resumed>) = 0 [pid 6096] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6097] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6096] <... futex resumed>) = 0 [pid 5080] <... openat resumed>) = 3 [pid 6096] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 6094] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6094] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6093] <... futex resumed>) = 0 [pid 5080] close(3) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6094] unlink(NULL [pid 6093] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 121 ./strace-static-x86_64: Process 6106 attached [pid 6093] <... futex resumed>) = 0 [pid 6094] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6106] set_robust_list(0x5555565af5e0, 24 [pid 6094] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] <... set_robust_list resumed>) = 0 [pid 6093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6094] <... futex resumed>) = 0 [pid 6093] close(3 [pid 6106] chdir("./45" [pid 6094] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] <... close resumed>) = 0 [pid 6106] <... chdir resumed>) = 0 [pid 6106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6093] close(4) = -1 EBADF (Bad file descriptor) [pid 6106] <... prctl resumed>) = 0 [ 135.783992][ T6100] REISERFS (device loop1): using ordered data mode [ 135.794430][ T6100] reiserfs: using flush barriers [ 135.805643][ T6097] overlayfs: upper fs needs to support d_type. [pid 6093] close(5 [pid 6106] setpgid(0, 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] <... setpgid resumed>) = 0 [pid 6102] <... write resumed>) = 4194304 [pid 6093] close(6 [pid 6106] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6102] munmap(0x7f87c00f0000, 4194304 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] close(7 [pid 6102] <... munmap resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] <... symlink resumed>) = 0 [pid 6093] close(8) = -1 EBADF (Bad file descriptor) [pid 6102] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6093] close(9) = -1 EBADF (Bad file descriptor) [pid 6093] close(10 [pid 6106] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] <... openat resumed>) = 4 [pid 6106] <... symlink resumed>) = 0 [ 135.826945][ T6100] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 135.840982][ T6097] overlayfs: upper fs does not support tmpfile. [ 135.866205][ T6097] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 135.874682][ T6102] loop2: detected capacity change from 0 to 8192 [pid 6093] close(11 [pid 6106] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6102] ioctl(4, LOOP_SET_FD, 3 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] close(12 [pid 6106] <... symlink resumed>) = 0 [pid 6102] <... ioctl resumed>) = 0 [pid 6096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6102] close(3 [pid 6096] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... openat resumed>) = 3 [pid 6102] <... close resumed>) = 0 [pid 6096] <... futex resumed>) = 0 [pid 6106] write(3, "1000", 4 [pid 6102] mkdir("./file0", 0777 [pid 6096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6106] <... write resumed>) = 4 [pid 6106] close(3 [pid 6102] <... mkdir resumed>) = 0 [pid 6106] <... close resumed>) = 0 [pid 6102] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6096] <... mmap resumed>) = 0x7f87c04cf000 [pid 6106] read(200, [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6096] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6093] close(13 [pid 6106] symlink("/dev/binderfs", "./binderfs" [pid 6096] <... mprotect resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] <... symlink resumed>) = 0 [pid 6105] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6097] <... mount resumed>) = 0 [pid 6096] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6108 attached [pid 6097] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] set_robust_list(0x7f87c04ef9e0, 24 [pid 6097] <... futex resumed>) = 0 [pid 6096] <... clone resumed>, parent_tid=[130], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 130 [pid 6108] <... set_robust_list resumed>) = 0 [pid 6097] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] mkdir(".", 0777 [pid 6096] <... futex resumed>) = 0 [ 135.875383][ T6100] REISERFS (device loop1): checking transaction log (loop1) [ 135.906191][ T6102] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 135.921120][ T6100] REISERFS (device loop1): Using r5 hash to sort names [pid 6108] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6106] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6093] close(14 [pid 6108] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6106] <... futex resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6093] close(15) = -1 EBADF (Bad file descriptor) [pid 6106] <... mmap resumed>) = 0x7f87c84f0000 [pid 6093] close(16 [pid 6106] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] close(17) = -1 EBADF (Bad file descriptor) [pid 6106] <... mprotect resumed>) = 0 [ 135.921487][ T6102] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 135.931084][ T6100] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 135.940328][ T6102] REISERFS (device loop2): using ordered data mode [ 135.965620][ T6102] reiserfs: using flush barriers [pid 6093] close(18 [pid 6106] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6108] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6108] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] <... futex resumed>) = 0 [pid 6096] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6097] <... futex resumed>) = 0 [pid 6097] unlink(NULL) = -1 EFAULT (Bad address) [pid 6096] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6096] <... futex resumed>) = 0 [pid 6096] close(3 [pid 6097] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] <... close resumed>) = 0 [pid 6096] close(4) = -1 EBADF (Bad file descriptor) [pid 6096] close(5) = -1 EBADF (Bad file descriptor) [pid 6096] close(6) = -1 EBADF (Bad file descriptor) [pid 6096] close(7) = -1 EBADF (Bad file descriptor) [pid 6096] close(8) = -1 EBADF (Bad file descriptor) [pid 6096] close(9) = -1 EBADF (Bad file descriptor) [pid 6096] close(10) = -1 EBADF (Bad file descriptor) [pid 6096] close(11 [pid 6108] <... futex resumed>) = 1 [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6108] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] close(12) = -1 EBADF (Bad file descriptor) [pid 6096] close(13) = -1 EBADF (Bad file descriptor) [pid 6096] close(14) = -1 EBADF (Bad file descriptor) [pid 6096] close(15) = -1 EBADF (Bad file descriptor) [pid 6096] close(16) = -1 EBADF (Bad file descriptor) [pid 6096] close(17) = -1 EBADF (Bad file descriptor) [pid 6096] close(18) = -1 EBADF (Bad file descriptor) [pid 6096] close(19) = -1 EBADF (Bad file descriptor) [pid 6096] close(20) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6109 attached [pid 6100] <... mount resumed>) = 0 [pid 6096] close(21 [pid 6093] close(19 [pid 6109] set_robust_list(0x7f87c85109e0, 24 [pid 6106] <... clone resumed>, parent_tid=[122], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 122 [pid 6109] <... set_robust_list resumed>) = 0 [pid 6106] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] memfd_create("syzkaller", 0 [pid 6100] <... openat resumed>) = 3 [pid 6096] close(22 [pid 6109] <... memfd_create resumed>) = 3 [pid 6100] chdir("./file0" [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 135.974537][ T6108] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 135.974723][ T6100] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 135.997490][ T6102] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 136.018440][ T6102] REISERFS (device loop2): checking transaction log (loop2) [pid 6109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6100] <... chdir resumed>) = 0 [pid 6096] close(23 [pid 6109] <... mmap resumed>) = 0x7f87c00f0000 [pid 6106] <... futex resumed>) = 0 [pid 6100] ioctl(4, LOOP_CLR_FD [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6093] close(20 [pid 6105] <... write resumed>) = 4194304 [pid 6100] <... ioctl resumed>) = 0 [pid 6096] close(24 [pid 6100] close(4 [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] <... close resumed>) = 0 [pid 6096] close(25 [pid 6100] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] <... futex resumed>) = 1 [pid 6096] close(26 [pid 6100] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6096] close(27) = -1 EBADF (Bad file descriptor) [pid 6096] close(28) = -1 EBADF (Bad file descriptor) [pid 6096] close(29) = -1 EBADF (Bad file descriptor) [pid 6096] exit_group(0 [pid 6108] <... futex resumed>) = ? [pid 6097] <... futex resumed>) = ? [pid 6096] <... exit_group resumed>) = ? [pid 6108] +++ exited with 0 +++ [pid 6097] +++ exited with 0 +++ [pid 6096] +++ exited with 0 +++ [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=128, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5081] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6106] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6098] <... futex resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5081] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] unlink("./44/binderfs") = 0 [pid 5081] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] unlink("./44/cgroup") = 0 [pid 5081] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./44/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./44/cgroup.net") = 0 [pid 5081] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6105] munmap(0x7f87c00f0000, 4194304 [pid 6098] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] close(21 [pid 6105] <... munmap resumed>) = 0 [pid 6102] <... mount resumed>) = 0 [pid 6100] <... futex resumed>) = 0 [pid 6098] <... futex resumed>) = 1 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6102] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6100] mkdir("./file1", 000 [pid 6098] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6093] close(22 [pid 6105] <... openat resumed>) = 4 [pid 6102] <... openat resumed>) = 3 [ 136.032466][ T6102] REISERFS (device loop2): Using r5 hash to sort names [ 136.041921][ T6102] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 136.073963][ T6102] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 6100] <... mkdir resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] ioctl(4, LOOP_SET_FD, 3 [pid 6102] chdir("./file0" [pid 6100] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] close(23 [pid 6102] <... chdir resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] ioctl(4, LOOP_CLR_FD [pid 6093] close(24 [pid 6102] <... ioctl resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] close(4 [pid 6100] <... futex resumed>) = 1 [pid 6098] <... futex resumed>) = 0 [pid 6093] close(25 [pid 6102] <... close resumed>) = 0 [pid 6100] mkdir("./bus", 000 [pid 6098] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... ioctl resumed>) = 0 [pid 6102] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... mkdir resumed>) = 0 [pid 6098] <... futex resumed>) = 0 [pid 6093] close(26 [pid 6105] close(3 [pid 6102] <... futex resumed>) = 1 [pid 6100] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] <... close resumed>) = 0 [pid 6102] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] <... futex resumed>) = 0 [pid 6099] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6093] close(27 [pid 6105] mkdir("./file0", 0777 [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6100] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6105] <... mkdir resumed>) = 0 [pid 6102] mkdir("./file1", 000 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] <... futex resumed>) = 0 [pid 6093] close(28 [pid 6105] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6102] <... mkdir resumed>) = 0 [pid 6098] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] mkdir("./file0", 000 [pid 6093] close(29 [pid 6102] <... futex resumed>) = 1 [pid 6100] <... mkdir resumed>) = 0 [pid 6099] <... futex resumed>) = 0 [pid 6093] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] exit_group(0 [pid 6100] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... futex resumed>) = ? [pid 6093] <... exit_group resumed>) = ? [pid 6102] <... futex resumed>) = 0 [pid 6099] <... futex resumed>) = 1 [ 136.118158][ T6105] loop5: detected capacity change from 0 to 8192 [pid 6102] mkdir("./bus", 000 [pid 6094] +++ exited with 0 +++ [pid 6093] +++ exited with 0 +++ [pid 6102] <... mkdir resumed>) = 0 [pid 6100] <... futex resumed>) = 1 [pid 6099] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] <... futex resumed>) = 0 [pid 6102] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=117, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 6102] <... futex resumed>) = 0 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = 0 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 6102] mkdir("./file0", 000 [pid 6100] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6099] <... futex resumed>) = 0 [pid 6098] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... restart_syscall resumed>) = 0 [pid 6102] <... mkdir resumed>) = 0 [pid 6102] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6102] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6102] <... futex resumed>) = 0 [pid 6099] <... futex resumed>) = 1 [ 136.171083][ T6105] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 136.206043][ T6100] overlayfs: upper fs needs to support d_type. [pid 6102] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6099] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... umount2 resumed>) = 0 [pid 6098] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6098] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6098] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6098] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6111 attached [pid 6111] set_robust_list(0x7f87c04ef9e0, 24 [pid 6098] <... clone resumed>, parent_tid=[126], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 126 [pid 6111] <... set_robust_list resumed>) = 0 [pid 6098] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] mkdir(".", 0777 [pid 6098] <... futex resumed>) = 0 [pid 6111] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6098] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6111] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... openat resumed>) = 3 [pid 5081] lstat("./44/file0", [pid 5078] fstat(3, [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] getdents64(3, [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] <... openat resumed>) = 4 [pid 5078] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] fstat(4, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] lstat("./43/binderfs", [ 136.217848][ T6102] overlayfs: upper fs needs to support d_type. [ 136.220915][ T6100] overlayfs: upper fs does not support tmpfile. [ 136.224389][ T6102] overlayfs: upper fs does not support tmpfile. [ 136.237040][ T6100] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 136.241091][ T6105] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 136.248508][ T6102] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5081] getdents64(4, [pid 6102] <... mount resumed>) = 0 [pid 6100] <... mount resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6102] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] getdents64(4, [pid 5078] unlink("./43/binderfs" [pid 6102] <... futex resumed>) = 0 [pid 6100] <... futex resumed>) = 0 [pid 6099] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6102] mkdir(".", 0777 [pid 6099] <... futex resumed>) = 0 [pid 6100] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] close(4 [pid 5078] <... unlink resumed>) = 0 [pid 6102] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6099] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] <... close resumed>) = 0 [pid 5078] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6102] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5081] rmdir("./44/file0" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... rmdir resumed>) = 0 [pid 5078] lstat("./43/cgroup", [pid 5081] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./43/cgroup" [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... unlink resumed>) = 0 [pid 5081] lstat("./44/cgroup.cpu", [pid 5078] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] unlink("./44/cgroup.cpu" [pid 5078] lstat("./43/cgroup.net", [pid 5081] <... unlink resumed>) = 0 [pid 5081] getdents64(3, [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] unlink("./43/cgroup.net" [ 136.284198][ T6105] REISERFS (device loop5): using ordered data mode [ 136.288388][ T6111] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 136.291679][ T6105] reiserfs: using flush barriers [pid 5081] close(3) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6109] <... write resumed>) = 4194304 [pid 6109] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6109] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5081] rmdir("./44" [pid 5078] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... rmdir resumed>) = 0 [pid 6109] <... openat resumed>) = 4 [pid 6109] ioctl(4, LOOP_SET_FD, 3 [pid 5081] mkdir("./45", 0777 [pid 6102] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6102] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6102] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6111] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6111] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = 0 [pid 6098] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6098] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] <... futex resumed>) = 1 [pid 6109] <... ioctl resumed>) = 0 [pid 6109] close(3) = 0 [pid 6111] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] mkdir("./file0", 0777) = 0 [pid 6109] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5081] <... mkdir resumed>) = 0 [pid 6100] <... futex resumed>) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6100] unlink(NULL) = -1 EFAULT (Bad address) [pid 5081] <... openat resumed>) = 3 [pid 6100] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 136.324781][ T6102] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 136.343565][ T6109] loop4: detected capacity change from 0 to 8192 [ 136.348493][ T6105] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5081] ioctl(3, LOOP_CLR_FD [pid 6100] <... futex resumed>) = 1 [pid 6099] <... futex resumed>) = 0 [pid 6098] <... futex resumed>) = 0 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6098] close(3) = 0 [pid 6100] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] close(4 [pid 6099] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] <... futex resumed>) = 0 [pid 6099] <... futex resumed>) = 1 [pid 5081] close(3 [pid 6102] unlink(NULL [pid 6099] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] close(5 [pid 6102] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 6102] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] close(6 [pid 6102] <... futex resumed>) = 0 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6102] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] close(7) = -1 EBADF (Bad file descriptor) [pid 6098] close(8) = -1 EBADF (Bad file descriptor) [pid 6098] close(9) = -1 EBADF (Bad file descriptor) [pid 6098] close(10) = -1 EBADF (Bad file descriptor) [pid 6098] close(11) = -1 EBADF (Bad file descriptor) [pid 6098] close(12) = -1 EBADF (Bad file descriptor) [pid 6098] close(13 [pid 6099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6099] close(3 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] close(14) = -1 EBADF (Bad file descriptor) [pid 6098] close(15./strace-static-x86_64: Process 6113 attached [pid 6099] <... close resumed>) = 0 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] set_robust_list(0x5555565af5e0, 24 [pid 6098] close(16 [pid 6113] <... set_robust_list resumed>) = 0 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] chdir("./45" [pid 6098] close(17 [pid 6113] <... chdir resumed>) = 0 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6098] close(18 [pid 6113] <... prctl resumed>) = 0 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] setpgid(0, 0 [pid 6098] close(19 [pid 6113] <... setpgid resumed>) = 0 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6098] close(20 [pid 6113] <... symlink resumed>) = 0 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6098] close(21 [pid 6113] <... symlink resumed>) = 0 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6098] close(22 [pid 6113] <... symlink resumed>) = 0 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6098] close(23 [pid 6113] <... openat resumed>) = 3 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] write(3, "1000", 4 [pid 6098] close(24 [pid 6113] <... write resumed>) = 4 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] close(3 [pid 6098] close(25 [pid 6113] <... close resumed>) = 0 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] read(200, [pid 6099] close(4 [pid 6098] close(26 [pid 6113] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] symlink("/dev/binderfs", "./binderfs" [pid 6098] close(27 [pid 6113] <... symlink resumed>) = 0 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 131 [pid 6113] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] close(28 [pid 6113] <... futex resumed>) = 0 [pid 6099] close(5 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6098] close(29 [pid 6113] <... mmap resumed>) = 0x7f87c84f0000 [pid 6098] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6098] exit_group(0 [pid 6113] <... mprotect resumed>) = 0 [ 136.376593][ T6105] REISERFS (device loop5): checking transaction log (loop5) [ 136.399642][ T6109] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6111] <... futex resumed>) = ? [pid 6100] <... futex resumed>) = ? [pid 6098] <... exit_group resumed>) = ? [pid 6113] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6111] +++ exited with 0 +++ [pid 6100] +++ exited with 0 +++ [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6098] +++ exited with 0 +++ ./strace-static-x86_64: Process 6114 attached [pid 6114] set_robust_list(0x7f87c85109e0, 24 [pid 6113] <... clone resumed>, parent_tid=[132], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 132 [pid 6114] <... set_robust_list resumed>) = 0 [pid 6113] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] memfd_create("syzkaller", 0 [pid 6113] <... futex resumed>) = 0 [pid 6114] <... memfd_create resumed>) = 3 [pid 6113] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6099] close(6 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=124, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 6114] <... mmap resumed>) = 0x7f87c00f0000 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(7) = -1 EBADF (Bad file descriptor) [pid 6099] close(8 [ 136.425453][ T6105] REISERFS (device loop5): Using r5 hash to sort names [ 136.446982][ T6109] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 136.456628][ T6109] REISERFS (device loop4): using ordered data mode [pid 5079] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6099] close(9) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 6099] close(10 [pid 5079] fstat(3, [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(11 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 6099] close(12) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6099] close(13 [pid 5079] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(14 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./44/binderfs", [pid 6099] close(15 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./44/binderfs" [pid 6099] close(16) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 6099] close(17 [pid 5079] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(18 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./44/cgroup", [pid 6099] close(19 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./44/cgroup" [pid 6099] close(20) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 6099] close(21 [pid 5079] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(22 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./44/cgroup.net", [pid 6099] close(23) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6099] close(24 [pid 5079] unlink("./44/cgroup.net" [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(25 [pid 5079] <... unlink resumed>) = 0 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6099] close(26) = -1 EBADF (Bad file descriptor) [ 136.467543][ T6105] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6099] close(27) = -1 EBADF (Bad file descriptor) [pid 6099] close(28) = -1 EBADF (Bad file descriptor) [pid 6099] close(29) = -1 EBADF (Bad file descriptor) [pid 6099] exit_group(0 [pid 6102] <... futex resumed>) = ? [pid 6099] <... exit_group resumed>) = ? [pid 6102] +++ exited with 0 +++ [pid 6099] +++ exited with 0 +++ [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5083] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5083] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 5083] unlink("./43/binderfs" [pid 6114] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5083] <... unlink resumed>) = 0 [pid 5078] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./43/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./43/cgroup") = 0 [pid 5078] lstat("./43/file0", [ 136.505075][ T6109] reiserfs: using flush barriers [pid 5083] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] lstat("./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] unlink("./43/cgroup.net") = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 136.543366][ T6109] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 136.545877][ T6105] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5083] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6105] <... mount resumed>) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 6105] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... openat resumed>) = 4 [pid 6105] <... openat resumed>) = 3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] fstat(4, [pid 6105] chdir("./file0" [pid 5079] lstat("./44/file0", [pid 6105] <... chdir resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6105] ioctl(4, LOOP_CLR_FD [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6105] <... ioctl resumed>) = 0 [pid 5078] getdents64(4, [pid 6105] close(4 [pid 5079] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6105] <... close resumed>) = 0 [pid 6105] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] getdents64(4, [pid 6105] <... futex resumed>) = 1 [pid 6104] <... futex resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6104] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] mkdir("./file1", 000 [pid 6104] <... futex resumed>) = 0 [pid 5079] fstat(4, [pid 5078] close(4 [pid 6104] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6105] <... mkdir resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6105] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] rmdir("./43/file0" [pid 6105] <... futex resumed>) = 1 [pid 6104] <... futex resumed>) = 0 [pid 5079] getdents64(4, [pid 6105] mkdir("./bus", 000 [pid 6104] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] <... rmdir resumed>) = 0 [pid 6104] <... futex resumed>) = 0 [pid 6104] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6105] <... mkdir resumed>) = 0 [pid 5079] getdents64(4, [pid 5078] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6105] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6105] <... futex resumed>) = 1 [pid 6104] <... futex resumed>) = 0 [pid 5079] close(4 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6105] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6104] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... close resumed>) = 0 [pid 6105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6104] <... futex resumed>) = 0 [pid 5079] rmdir("./44/file0" [pid 5078] lstat("./43/cgroup.cpu", [pid 6105] mkdir("./file0", 000 [pid 6104] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6105] <... mkdir resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6105] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [ 136.592127][ T6109] REISERFS (device loop4): checking transaction log (loop4) [pid 6105] <... futex resumed>) = 1 [pid 6104] <... futex resumed>) = 0 [pid 5078] unlink("./43/cgroup.cpu" [pid 6105] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6104] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6104] <... futex resumed>) = 0 [pid 5079] lstat("./44/cgroup.cpu", [pid 5078] <... unlink resumed>) = 0 [pid 6114] <... write resumed>) = 4194304 [pid 6105] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6104] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] getdents64(3, [pid 5079] unlink("./44/cgroup.cpu" [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] close(3 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5079] getdents64(3, [pid 5078] rmdir("./43") = 0 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] mkdir("./44", 0777 [pid 6114] munmap(0x7f87c00f0000, 4194304 [pid 5079] close(3 [pid 5078] <... mkdir resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5079] rmdir("./44" [pid 5078] <... openat resumed>) = 3 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5079] mkdir("./45", 0777 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] <... mkdir resumed>) = 0 [pid 5078] close(3 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5078] <... close resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6115 attached [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6115] set_robust_list(0x5555565af5e0, 24) = 0 [pid 6115] chdir("./44") = 0 [pid 6115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6115] setpgid(0, 0) = 0 [pid 6115] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6115] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [ 136.660553][ T6109] REISERFS (device loop4): Using r5 hash to sort names [ 136.671658][ T6105] overlayfs: upper fs needs to support d_type. [ 136.683134][ T6105] overlayfs: upper fs does not support tmpfile. [pid 6114] <... munmap resumed>) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 119 [pid 6115] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6115] write(3, "1000", 4) = 4 [pid 6115] close(3) = 0 [pid 6115] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6115] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6114] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5079] close(3) = 0 [pid 6114] <... openat resumed>) = 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6114] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6116 attached [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 127 [pid 6115] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6115] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6115] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[120], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 120 [pid 6115] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] set_robust_list(0x5555565af5e0, 24 [pid 6104] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6116] <... set_robust_list resumed>) = 0 [pid 6104] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... futex resumed>) = 0 [pid 6115] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6116] chdir("./45" [pid 6104] <... futex resumed>) = 0 [pid 6116] <... chdir resumed>) = 0 [pid 6116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6116] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6117 attached [pid 6116] setpgid(0, 0) = 0 [pid 6116] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6104] <... mmap resumed>) = 0x7f87c04cf000 [pid 6116] <... symlink resumed>) = 0 [pid 6116] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6104] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6117] set_robust_list(0x7f87c85109e0, 24 [pid 6116] <... symlink resumed>) = 0 [pid 6104] <... mprotect resumed>) = 0 [pid 6117] <... set_robust_list resumed>) = 0 [pid 6117] memfd_create("syzkaller", 0 [pid 6116] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6114] <... ioctl resumed>) = 0 [pid 6104] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6117] <... memfd_create resumed>) = 3 [pid 6116] <... symlink resumed>) = 0 [pid 6114] close(3 [pid 5083] <... umount2 resumed>) = 0 [pid 6117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6114] <... close resumed>) = 0 [pid 5083] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6116] <... openat resumed>) = 3 [pid 6116] write(3, "1000", 4 [pid 6114] mkdir("./file0", 0777 [pid 6116] <... write resumed>) = 4 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6114] <... mkdir resumed>) = 0 [pid 5083] lstat("./43/file0", [pid 6116] close(3 [pid 6114] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6116] <... close resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6116] read(200, [pid 6104] <... clone resumed>, parent_tid=[128], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 128 [pid 5083] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6116] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6104] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] symlink("/dev/binderfs", "./binderfs" [pid 6104] <... futex resumed>) = 0 [pid 6116] <... symlink resumed>) = 0 [pid 6104] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6118 attached [ 136.707121][ T6109] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 136.727070][ T6114] loop3: detected capacity change from 0 to 8192 [ 136.741058][ T6105] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 136.750368][ T6109] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 6116] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6118] set_robust_list(0x7f87c04ef9e0, 24 [pid 6116] <... futex resumed>) = 0 [pid 5083] fstat(4, [pid 6118] <... set_robust_list resumed>) = 0 [pid 6116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6118] mkdir(".", 0777 [pid 6116] <... mmap resumed>) = 0x7f87c84f0000 [pid 5083] getdents64(4, [pid 6118] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6116] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6105] <... mount resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6118] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6105] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] getdents64(4, [pid 6116] <... mprotect resumed>) = 0 [pid 6109] <... mount resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] close(4) = 0 [pid 5083] rmdir("./43/file0") = 0 [pid 5083] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./43/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./43/cgroup.cpu") = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] close(3) = 0 [pid 5083] rmdir("./43" [pid 6116] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6105] <... futex resumed>) = 0 [pid 5083] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6120 attached [pid 6109] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6105] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] mkdir("./44", 0777 [pid 6120] set_robust_list(0x7f87c85109e0, 24 [pid 5083] <... mkdir resumed>) = 0 [pid 6120] <... set_robust_list resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6120] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... openat resumed>) = 3 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 6116] <... clone resumed>, parent_tid=[128], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 128 [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 136.770773][ T6114] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 136.789979][ T6114] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 136.802040][ T6114] REISERFS (device loop3): using ordered data mode [ 136.810696][ T6114] reiserfs: using flush barriers [pid 6116] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... openat resumed>) = 3 [pid 5083] close(3 [pid 6120] <... futex resumed>) = 0 [pid 6116] <... futex resumed>) = 1 [pid 6109] chdir("./file0" [pid 5083] <... close resumed>) = 0 [pid 6120] memfd_create("syzkaller", 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6121 attached [pid 6120] <... memfd_create resumed>) = 3 [pid 6121] set_robust_list(0x5555565af5e0, 24 [pid 6120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 124 [pid 6121] <... set_robust_list resumed>) = 0 [pid 6120] <... mmap resumed>) = 0x7f87c00f0000 [pid 6121] chdir("./44") = 0 [pid 6121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6121] setpgid(0, 0) = 0 [pid 6121] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6121] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6121] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6121] write(3, "1000", 4) = 4 [pid 6121] close(3) = 0 [pid 6121] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6121] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6116] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6109] <... chdir resumed>) = 0 [pid 6109] ioctl(4, LOOP_CLR_FD [pid 6121] <... mmap resumed>) = 0x7f87c84f0000 [pid 6109] <... ioctl resumed>) = 0 [pid 6121] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6109] close(4 [pid 6121] <... mprotect resumed>) = 0 [ 136.817712][ T6114] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 136.831793][ T6118] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 136.835863][ T6114] REISERFS (device loop3): checking transaction log (loop3) [pid 6109] <... close resumed>) = 0 [pid 6121] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6122 attached [pid 6122] set_robust_list(0x7f87c85109e0, 24 [pid 6121] <... clone resumed>, parent_tid=[125], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 125 [pid 6122] <... set_robust_list resumed>) = 0 [pid 6121] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] memfd_create("syzkaller", 0 [pid 6121] <... futex resumed>) = 0 [pid 6122] <... memfd_create resumed>) = 3 [pid 6121] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6109] <... futex resumed>) = 1 [pid 6106] <... futex resumed>) = 0 [pid 6106] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6106] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6118] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6114] <... mount resumed>) = 0 [pid 6109] mkdir("./file1", 000 [pid 6118] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6118] <... futex resumed>) = 1 [pid 6114] <... openat resumed>) = 3 [pid 6109] <... mkdir resumed>) = 0 [pid 6104] <... futex resumed>) = 0 [pid 6120] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6118] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6114] chdir("./file0" [pid 6109] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6105] <... futex resumed>) = 0 [pid 6114] <... chdir resumed>) = 0 [pid 6109] <... futex resumed>) = 1 [pid 6114] ioctl(4, LOOP_CLR_FD [pid 6109] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] unlink(NULL [pid 6104] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] <... ioctl resumed>) = 0 [pid 6106] <... futex resumed>) = 0 [pid 6106] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6106] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6109] <... futex resumed>) = 0 [pid 6105] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6109] mkdir("./bus", 000 [pid 6114] close(4 [ 136.873658][ T6114] REISERFS (device loop3): Using r5 hash to sort names [ 136.884920][ T6114] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 136.900008][ T6114] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 6105] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... close resumed>) = 0 [pid 6109] <... mkdir resumed>) = 0 [pid 6105] <... futex resumed>) = 1 [pid 6104] <... futex resumed>) = 0 [pid 6114] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6104] close(3 [pid 6114] <... futex resumed>) = 1 [pid 6113] <... futex resumed>) = 0 [pid 6109] <... futex resumed>) = 1 [pid 6106] <... futex resumed>) = 0 [pid 6104] <... close resumed>) = 0 [pid 6114] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... futex resumed>) = 0 [pid 6106] <... futex resumed>) = 0 [pid 6113] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] mkdir("./file0", 000 [pid 6104] close(4 [pid 6109] <... mkdir resumed>) = 0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] mkdir("./file1", 000 [pid 6109] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] close(5) = -1 EBADF (Bad file descriptor) [pid 6114] <... mkdir resumed>) = 0 [pid 6109] <... futex resumed>) = 1 [pid 6106] <... futex resumed>) = 0 [pid 6104] close(6 [pid 6106] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6114] <... futex resumed>) = 1 [pid 6113] <... futex resumed>) = 0 [pid 6106] <... futex resumed>) = 0 [pid 6104] close(7 [pid 6113] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6113] <... futex resumed>) = 0 [pid 6113] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] mkdir("./bus", 000 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] <... mkdir resumed>) = 0 [pid 6104] close(8 [pid 6114] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(9 [pid 6114] <... futex resumed>) = 1 [pid 6113] <... futex resumed>) = 0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6113] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6114] mkdir("./file0", 000 [pid 6113] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] close(10 [pid 6114] <... mkdir resumed>) = 0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] close(11 [pid 6114] <... futex resumed>) = 1 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(12 [pid 6114] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] <... futex resumed>) = 0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(13 [pid 6113] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6114] <... futex resumed>) = 0 [pid 6113] <... futex resumed>) = 1 [pid 6114] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6113] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] close(14) = -1 EBADF (Bad file descriptor) [pid 6122] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6104] close(15) = -1 EBADF (Bad file descriptor) [pid 6104] close(16) = -1 EBADF (Bad file descriptor) [pid 6104] close(17) = -1 EBADF (Bad file descriptor) [pid 6104] close(18) = -1 EBADF (Bad file descriptor) [pid 6104] close(19) = -1 EBADF (Bad file descriptor) [pid 6104] close(20) = -1 EBADF (Bad file descriptor) [pid 6104] close(21) = -1 EBADF (Bad file descriptor) [pid 6104] close(22) = -1 EBADF (Bad file descriptor) [pid 6104] close(23) = -1 EBADF (Bad file descriptor) [pid 6104] close(24) = -1 EBADF (Bad file descriptor) [pid 6104] close(25) = -1 EBADF (Bad file descriptor) [pid 6104] close(26) = -1 EBADF (Bad file descriptor) [pid 6104] close(27) = -1 EBADF (Bad file descriptor) [ 136.978975][ T6109] overlayfs: upper fs needs to support d_type. [ 137.001896][ T6114] overlayfs: upper fs needs to support d_type. [ 137.011768][ T6109] overlayfs: upper fs does not support tmpfile. [pid 6104] close(28) = -1 EBADF (Bad file descriptor) [pid 6106] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6106] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6106] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6104] close(29 [pid 6106] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] <... mprotect resumed>) = 0 [pid 6104] exit_group(0 [pid 6117] <... write resumed>) = 4194304 [pid 6106] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6113] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6113] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6113] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6113] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6113] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6123 attached [pid 6118] <... futex resumed>) = ? [pid 6105] <... futex resumed>) = ? [pid 6104] <... exit_group resumed>) = ? [pid 6123] set_robust_list(0x7f87c04ef9e0, 24 [pid 6118] +++ exited with 0 +++ [pid 6113] <... clone resumed>, parent_tid=[133], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 133 [pid 6123] <... set_robust_list resumed>) = 0 [pid 6113] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] mkdir(".", 0777 [pid 6113] <... futex resumed>) = 0 [pid 6123] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6113] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6123] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6117] munmap(0x7f87c00f0000, 4194304 [pid 6105] +++ exited with 0 +++ [pid 6104] +++ exited with 0 +++ [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- ./strace-static-x86_64: Process 6124 attached [pid 6106] <... clone resumed>, parent_tid=[123], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 123 [pid 6117] <... munmap resumed>) = 0 [pid 5082] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6124] set_robust_list(0x7f87c04ef9e0, 24 [pid 6117] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6106] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6124] <... set_robust_list resumed>) = 0 [pid 6117] <... openat resumed>) = 4 [pid 6106] <... futex resumed>) = 0 [pid 5082] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 137.027390][ T6114] overlayfs: upper fs does not support tmpfile. [ 137.039221][ T6109] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 137.045209][ T6114] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6124] mkdir(".", 0777 [pid 6117] ioctl(4, LOOP_SET_FD, 3 [pid 6106] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] <... openat resumed>) = 3 [pid 5082] fstat(3, [pid 6124] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6120] <... write resumed>) = 4194304 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(3, [pid 6120] munmap(0x7f87c00f0000, 4194304 [pid 6124] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5082] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] unlink("./44/binderfs" [pid 6120] <... munmap resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 6120] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5082] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6120] ioctl(4, LOOP_SET_FD, 3 [pid 5082] unlink("./44/cgroup" [pid 6117] <... ioctl resumed>) = 0 [pid 6114] <... mount resumed>) = 0 [pid 6109] <... mount resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 6117] close(3 [pid 6114] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6122] <... write resumed>) = 4194304 [pid 6117] <... close resumed>) = 0 [pid 6114] <... futex resumed>) = 0 [pid 6109] <... futex resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6117] mkdir("./file0", 0777 [pid 6114] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] lstat("./44/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6123] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6122] munmap(0x7f87c00f0000, 4194304 [pid 6120] <... ioctl resumed>) = 0 [pid 6117] <... mkdir resumed>) = 0 [pid 5082] unlink("./44/cgroup.net" [pid 6123] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] close(3 [ 137.079543][ T6117] loop0: detected capacity change from 0 to 8192 [ 137.092765][ T6120] loop1: detected capacity change from 0 to 8192 [ 137.104118][ T6123] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6117] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5082] <... unlink resumed>) = 0 [pid 6123] <... futex resumed>) = 1 [pid 6122] <... munmap resumed>) = 0 [pid 6120] <... close resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6123] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6122] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6120] mkdir("./file0", 0777 [pid 6122] <... openat resumed>) = 4 [pid 5082] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6122] ioctl(4, LOOP_SET_FD, 3 [pid 6120] <... mkdir resumed>) = 0 [pid 6113] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6113] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] <... ioctl resumed>) = 0 [pid 6122] close(3) = 0 [pid 6122] mkdir("./file0", 0777) = 0 [pid 6122] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6120] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6114] <... futex resumed>) = 0 [ 137.132646][ T6122] loop2: detected capacity change from 0 to 8192 [ 137.133523][ T6124] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 137.145951][ T6117] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6124] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6114] unlink(NULL [pid 6124] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6113] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6124] <... futex resumed>) = 1 [pid 6114] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... futex resumed>) = 0 [ 137.173521][ T6117] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 137.180177][ T6120] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 137.187541][ T6122] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 137.214438][ T6120] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 137.217895][ T6117] REISERFS (device loop0): using ordered data mode [pid 6113] close(3) = 0 [pid 6113] close(4) = -1 EBADF (Bad file descriptor) [pid 6113] close(5) = -1 EBADF (Bad file descriptor) [pid 6113] close(6) = -1 EBADF (Bad file descriptor) [pid 6113] close(7) = -1 EBADF (Bad file descriptor) [pid 6113] close(8) = -1 EBADF (Bad file descriptor) [pid 6113] close(9) = -1 EBADF (Bad file descriptor) [pid 6113] close(10) = -1 EBADF (Bad file descriptor) [pid 6113] close(11) = -1 EBADF (Bad file descriptor) [pid 6113] close(12) = -1 EBADF (Bad file descriptor) [pid 6113] close(13 [pid 6124] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6114] <... futex resumed>) = 0 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] close(14) = -1 EBADF (Bad file descriptor) [pid 6113] close(15) = -1 EBADF (Bad file descriptor) [pid 6113] close(16) = -1 EBADF (Bad file descriptor) [pid 6113] close(17) = -1 EBADF (Bad file descriptor) [pid 6113] close(18) = -1 EBADF (Bad file descriptor) [pid 6113] close(19 [pid 6109] <... futex resumed>) = 0 [pid 6106] <... futex resumed>) = 1 [pid 6114] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] unlink(NULL [pid 6106] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6109] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] close(20 [pid 6109] <... futex resumed>) = 1 [pid 6106] <... futex resumed>) = 0 [pid 6109] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6106] close(3) = 0 [pid 6106] close(4) = -1 EBADF (Bad file descriptor) [ 137.229169][ T6120] REISERFS (device loop1): using ordered data mode [ 137.250203][ T6122] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 137.264670][ T6117] reiserfs: using flush barriers [ 137.265064][ T6120] reiserfs: using flush barriers [pid 6106] close(5 [pid 6113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = 0 [pid 6113] close(21) = -1 EBADF (Bad file descriptor) [pid 6113] close(22) = -1 EBADF (Bad file descriptor) [pid 6113] close(23) = -1 EBADF (Bad file descriptor) [pid 6113] close(24) = -1 EBADF (Bad file descriptor) [pid 6113] close(25) = -1 EBADF (Bad file descriptor) [pid 6113] close(26) = -1 EBADF (Bad file descriptor) [pid 6113] close(27) = -1 EBADF (Bad file descriptor) [pid 6113] close(28) = -1 EBADF (Bad file descriptor) [pid 6113] close(29) = -1 EBADF (Bad file descriptor) [pid 6113] exit_group(0) = ? [pid 5082] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6123] <... futex resumed>) = ? [pid 6114] <... futex resumed>) = ? [pid 6106] close(6 [pid 6123] +++ exited with 0 +++ [pid 6114] +++ exited with 0 +++ [pid 6113] +++ exited with 0 +++ [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6106] close(7) = -1 EBADF (Bad file descriptor) [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=131, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=20 /* 0.20 s */} --- [pid 6106] close(8) = -1 EBADF (Bad file descriptor) [pid 6106] close(9 [pid 5081] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6106] close(10 [pid 5081] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... openat resumed>) = 3 [pid 6106] close(11 [pid 5082] lstat("./44/file0", [pid 5081] fstat(3, [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6106] close(12 [pid 5082] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] getdents64(3, [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [ 137.272755][ T6117] 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 [ 137.297830][ T6120] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 137.298238][ T6117] REISERFS (device loop0): checking transaction log (loop0) [ 137.326155][ T6117] REISERFS (device loop0): Using r5 hash to sort names [pid 6106] close(13 [pid 5082] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 4 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6106] close(14 [pid 5082] fstat(4, [pid 5081] lstat("./45/binderfs", [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6106] close(15 [pid 5082] getdents64(4, [pid 5081] unlink("./45/binderfs" [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] <... unlink resumed>) = 0 [pid 6106] close(16 [pid 5082] getdents64(4, [pid 5081] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6106] close(17 [pid 5082] close(4 [pid 5081] lstat("./45/cgroup", [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6106] close(18 [pid 5082] rmdir("./44/file0" [pid 5081] unlink("./45/cgroup" [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... rmdir resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 6106] close(19 [pid 5082] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6106] close(20 [pid 5082] lstat("./44/cgroup.cpu", [pid 5081] lstat("./45/cgroup.net", [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6106] close(21 [pid 5082] unlink("./44/cgroup.cpu" [pid 5081] unlink("./45/cgroup.net" [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 6106] close(22 [pid 5082] getdents64(3, [pid 5081] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6106] close(23 [pid 5082] close(3 [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 6106] close(24 [pid 5082] rmdir("./44" [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... rmdir resumed>) = 0 [pid 6106] close(25 [pid 5082] mkdir("./45", 0777 [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... mkdir resumed>) = 0 [pid 6106] close(26 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 3 [pid 6106] close(27 [pid 5082] ioctl(3, LOOP_CLR_FD [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6106] close(28 [pid 5082] close(3 [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 6106] close(29 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6128 attached [pid 6106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6128] set_robust_list(0x5555565af5e0, 24 [pid 6106] exit_group(0 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 129 [pid 6128] <... set_robust_list resumed>) = 0 [pid 6124] <... futex resumed>) = ? [pid 6109] <... futex resumed>) = ? [pid 6106] <... exit_group resumed>) = ? [ 137.334636][ T6117] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 137.341216][ T6122] REISERFS (device loop2): using ordered data mode [ 137.349457][ T6120] REISERFS (device loop1): checking transaction log (loop1) [pid 6128] chdir("./45" [pid 6124] +++ exited with 0 +++ [pid 6109] +++ exited with 0 +++ [pid 6106] +++ exited with 0 +++ [pid 6128] <... chdir resumed>) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=121, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 6128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6128] setpgid(0, 0 [pid 5080] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6128] <... setpgid resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6128] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5080] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6128] <... symlink resumed>) = 0 [pid 5080] <... openat resumed>) = 3 [pid 6128] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5080] fstat(3, [pid 6128] <... symlink resumed>) = 0 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6128] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5080] getdents64(3, [pid 6128] <... symlink resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6128] <... openat resumed>) = 3 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6128] write(3, "1000", 4 [pid 5080] lstat("./45/binderfs", [pid 6128] <... write resumed>) = 4 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6128] close(3 [pid 5080] unlink("./45/binderfs" [pid 6128] <... close resumed>) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 6128] read(200, [pid 5080] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6128] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 137.386706][ T6122] reiserfs: using flush barriers [ 137.389527][ T6117] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 6128] symlink("/dev/binderfs", "./binderfs" [pid 5080] lstat("./45/cgroup", [pid 6128] <... symlink resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6128] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] unlink("./45/cgroup" [pid 6128] <... futex resumed>) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 6128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6128] <... mmap resumed>) = 0x7f87c84f0000 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6128] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5080] lstat("./45/cgroup.net", [pid 6128] <... mprotect resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6128] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5080] unlink("./45/cgroup.net"./strace-static-x86_64: Process 6129 attached ) = 0 [pid 6129] set_robust_list(0x7f87c85109e0, 24 [pid 6128] <... clone resumed>, parent_tid=[130], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 130 [pid 5080] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6129] <... set_robust_list resumed>) = 0 [pid 6128] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] memfd_create("syzkaller", 0 [pid 6128] <... futex resumed>) = 0 [pid 6129] <... memfd_create resumed>) = 3 [pid 6128] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 137.427266][ T6120] REISERFS (device loop1): Using r5 hash to sort names [ 137.430418][ T6122] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 137.435657][ T6120] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6117] <... mount resumed>) = 0 [pid 5081] <... umount2 resumed>) = 0 [pid 6117] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5081] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6117] <... openat resumed>) = 3 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6117] chdir("./file0" [pid 5081] lstat("./45/file0", [pid 6117] <... chdir resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6117] ioctl(4, LOOP_CLR_FD [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6117] <... ioctl resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6117] close(4 [pid 5081] <... openat resumed>) = 4 [pid 5081] fstat(4, [pid 6117] <... close resumed>) = 0 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6117] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] getdents64(4, [pid 6117] <... futex resumed>) = 1 [pid 6115] <... futex resumed>) = 0 [pid 6115] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6115] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6117] mkdir("./file1", 000 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] getdents64(4, [pid 6117] <... mkdir resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6117] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] close(4 [pid 6117] <... futex resumed>) = 1 [pid 6115] <... futex resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 6115] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6117] mkdir("./bus", 000 [pid 6115] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] rmdir("./45/file0" [pid 6117] <... mkdir resumed>) = 0 [pid 5081] <... rmdir resumed>) = 0 [pid 6117] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6115] <... futex resumed>) = 0 [pid 5081] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6117] mkdir("./file0", 000 [pid 6115] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6115] <... futex resumed>) = 0 [pid 6115] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] lstat("./45/cgroup.cpu", [pid 6117] <... mkdir resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6117] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] unlink("./45/cgroup.cpu" [pid 6117] <... futex resumed>) = 1 [pid 6115] <... futex resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 6117] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 137.475160][ T6120] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 6115] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] getdents64(3, [pid 6115] <... futex resumed>) = 0 [pid 6115] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] <... mount resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5081] close(3 [pid 6120] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5081] <... close resumed>) = 0 [pid 6129] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5081] rmdir("./45" [pid 6120] <... openat resumed>) = 3 [pid 5081] <... rmdir resumed>) = 0 [pid 6120] chdir("./file0" [pid 5081] mkdir("./46", 0777 [pid 6120] <... chdir resumed>) = 0 [pid 5081] <... mkdir resumed>) = 0 [pid 6120] ioctl(4, LOOP_CLR_FD) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [ 137.532766][ T6117] overlayfs: upper fs needs to support d_type. [ 137.538586][ T6122] REISERFS (device loop2): checking transaction log (loop2) [ 137.555714][ T6117] overlayfs: upper fs does not support tmpfile. [pid 6120] close(4) = 0 [pid 5081] <... openat resumed>) = 3 [pid 6120] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] ioctl(3, LOOP_CLR_FD [pid 6120] <... futex resumed>) = 1 [pid 6116] <... futex resumed>) = 0 [pid 6115] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6115] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6116] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... futex resumed>) = 0 [pid 5081] close(3 [pid 6120] mkdir("./file1", 000 [pid 6116] <... futex resumed>) = 0 [pid 6115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] <... close resumed>) = 0 [pid 6120] <... mkdir resumed>) = 0 [pid 6116] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] <... mmap resumed>) = 0x7f87c04cf000 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6115] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6120] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6131 attached [pid 6120] <... futex resumed>) = 1 [pid 6116] <... futex resumed>) = 0 [pid 6115] <... clone resumed>, parent_tid=[121], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 121 [pid 6131] set_robust_list(0x5555565af5e0, 24 [pid 6120] mkdir("./bus", 000 [pid 6116] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 134 ./strace-static-x86_64: Process 6130 attached [pid 6131] <... set_robust_list resumed>) = 0 [pid 6120] <... mkdir resumed>) = 0 [pid 6117] <... mount resumed>) = 0 [pid 6116] <... futex resumed>) = 0 [pid 6115] <... futex resumed>) = 0 [pid 5080] <... umount2 resumed>) = 0 [pid 6115] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6131] chdir("./46" [pid 6116] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6116] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... futex resumed>) = 0 [pid 6116] <... futex resumed>) = 0 [pid 6131] <... chdir resumed>) = 0 [pid 6120] mkdir("./file0", 000 [pid 6116] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] <... mkdir resumed>) = 0 [ 137.577732][ T6117] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6120] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] setpgid(0, 0 [pid 6120] <... futex resumed>) = 1 [pid 6116] <... futex resumed>) = 0 [pid 5080] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6131] <... setpgid resumed>) = 0 [pid 6130] set_robust_list(0x7f87c04ef9e0, 24 [pid 6120] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6117] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6131] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6130] <... set_robust_list resumed>) = 0 [pid 6117] <... futex resumed>) = 0 [pid 6116] <... futex resumed>) = 0 [pid 5080] lstat("./45/file0", [pid 6130] mkdir(".", 0777 [pid 6117] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6130] <... mkdir resumed>) = -1 EEXIST (File exists) [ 137.618457][ T6122] REISERFS (device loop2): Using r5 hash to sort names [ 137.625877][ T6122] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 137.642449][ T6122] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 137.655032][ T6120] overlayfs: upper fs needs to support d_type. [pid 5080] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6131] <... symlink resumed>) = 0 [pid 6130] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6116] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6131] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6122] <... mount resumed>) = 0 [pid 5080] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6131] <... symlink resumed>) = 0 [pid 6122] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6120] <... mount resumed>) = 0 [pid 5080] <... openat resumed>) = 4 [pid 6131] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6122] <... openat resumed>) = 3 [pid 6120] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] fstat(4, [pid 6130] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6131] <... symlink resumed>) = 0 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6116] <... futex resumed>) = 0 [pid 6122] chdir("./file0" [pid 6120] <... futex resumed>) = 1 [pid 5080] getdents64(4, [pid 6120] mkdir(".", 0777 [pid 6116] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6116] <... futex resumed>) = 0 [pid 6122] <... chdir resumed>) = 0 [pid 6120] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5080] getdents64(4, [pid 6116] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6122] ioctl(4, LOOP_CLR_FD [pid 6120] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6131] <... openat resumed>) = 3 [pid 6122] <... ioctl resumed>) = 0 [pid 6131] write(3, "1000", 4 [pid 6122] close(4 [pid 5080] close(4 [pid 6131] <... write resumed>) = 4 [ 137.665328][ T6120] overlayfs: upper fs does not support tmpfile. [ 137.674581][ T6120] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 137.683804][ T6130] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6130] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... close resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 6131] close(3 [pid 6129] <... write resumed>) = 4194304 [pid 6129] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6129] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6129] ioctl(4, LOOP_SET_FD, 3 [pid 6131] <... close resumed>) = 0 [pid 6122] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5080] rmdir("./45/file0" [pid 6130] <... futex resumed>) = 1 [pid 6115] <... futex resumed>) = 0 [pid 6131] read(200, [pid 6122] <... futex resumed>) = 1 [pid 6120] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] <... futex resumed>) = 0 [pid 6115] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] mkdir("./file1", 000 [pid 6131] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] <... futex resumed>) = 0 [pid 6120] <... futex resumed>) = 1 [pid 6117] <... futex resumed>) = 0 [pid 6116] <... futex resumed>) = 0 [pid 6115] <... futex resumed>) = 1 [pid 5080] <... rmdir resumed>) = 0 [pid 6121] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6117] unlink(NULL [pid 6115] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6117] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6117] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6115] <... futex resumed>) = 0 [pid 6117] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] close(3) = 0 [pid 6115] close(4) = -1 EBADF (Bad file descriptor) [pid 6122] <... mkdir resumed>) = 0 [pid 6115] close(5 [pid 6131] symlink("/dev/binderfs", "./binderfs" [pid 6120] unlink(NULL [pid 6116] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6122] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... symlink resumed>) = 0 [pid 6115] close(6 [pid 6116] <... futex resumed>) = 0 [pid 6131] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6116] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = 0 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6131] <... futex resumed>) = 0 [pid 6122] mkdir("./bus", 000 [pid 6121] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] close(7 [pid 5080] lstat("./45/cgroup.cpu", [pid 6131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6121] <... futex resumed>) = 0 [pid 6120] <... futex resumed>) = 1 [pid 6116] <... futex resumed>) = 0 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6122] <... mkdir resumed>) = 0 [pid 6121] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6116] close(3 [pid 6115] close(8 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6131] <... mmap resumed>) = 0x7f87c84f0000 [pid 6122] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... close resumed>) = 0 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./45/cgroup.cpu" [pid 6131] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6122] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = 0 [pid 6116] close(4 [pid 6115] close(9 [pid 6121] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... unlink resumed>) = 0 [pid 6131] <... mprotect resumed>) = 0 [pid 6122] mkdir("./file0", 000 [pid 6121] <... futex resumed>) = 0 [pid 6116] close(5 [pid 6115] close(10 [pid 5080] getdents64(3, [pid 6131] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6122] <... mkdir resumed>) = 0 [pid 6121] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6132 attached [pid 6116] close(6 [pid 6115] close(11 [pid 6122] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6132] set_robust_list(0x7f87c85109e0, 24 [pid 6131] <... clone resumed>, parent_tid=[135], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 135 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(3 [pid 6122] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = 0 [pid 6132] <... set_robust_list resumed>) = 0 [ 137.719165][ T6120] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 137.731130][ T6129] loop5: detected capacity change from 0 to 8192 [pid 6131] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6121] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] close(7 [pid 6115] close(12 [pid 5080] <... close resumed>) = 0 [pid 6132] memfd_create("syzkaller", 0 [pid 6121] <... futex resumed>) = 0 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] <... memfd_create resumed>) = 3 [pid 6129] <... ioctl resumed>) = 0 [pid 6121] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(13 [pid 5080] rmdir("./45" [pid 6131] <... futex resumed>) = 0 [pid 6132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6129] close(3 [pid 6116] close(8 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] <... mmap resumed>) = 0x7f87c00f0000 [pid 6129] <... close resumed>) = 0 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6115] close(14 [pid 5080] <... rmdir resumed>) = 0 [pid 6129] mkdir("./file0", 0777 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... mkdir resumed>) = 0 [pid 6116] close(9 [pid 6115] close(15 [pid 5080] mkdir("./46", 0777 [pid 6129] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(16 [pid 5080] <... mkdir resumed>) = 0 [pid 6116] close(10 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(17) = -1 EBADF (Bad file descriptor) [pid 6116] close(11 [pid 5080] <... openat resumed>) = 3 [pid 6115] close(18 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] close(12 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] ioctl(3, LOOP_CLR_FD [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(19 [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6116] close(13 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(3 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(20 [pid 5080] <... close resumed>) = 0 [pid 6116] close(14 [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] close(15 [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 124 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] close(16) = -1 EBADF (Bad file descriptor) [pid 6116] close(17) = -1 EBADF (Bad file descriptor) [pid 6116] close(18) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6134 attached [pid 6116] close(19 [pid 6115] close(21 [pid 6134] set_robust_list(0x5555565af5e0, 24 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... set_robust_list resumed>) = 0 [pid 6116] close(20 [pid 6115] close(22 [pid 6134] chdir("./46" [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... chdir resumed>) = 0 [pid 6116] close(21 [pid 6115] close(23 [pid 6134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... prctl resumed>) = 0 [pid 6116] close(22 [pid 6115] close(24 [pid 6134] setpgid(0, 0 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... setpgid resumed>) = 0 [pid 6116] close(23 [pid 6115] close(25 [pid 6134] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... symlink resumed>) = 0 [pid 6116] close(24 [pid 6115] close(26 [pid 6134] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... symlink resumed>) = 0 [pid 6116] close(25 [pid 6115] close(27 [pid 6134] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... symlink resumed>) = 0 [pid 6121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6116] close(26 [pid 6115] close(28 [pid 6134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6121] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... openat resumed>) = 3 [pid 6121] <... futex resumed>) = 0 [pid 6116] close(27 [pid 6115] close(29 [pid 6134] write(3, "1000", 4 [pid 6121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] <... write resumed>) = 4 [pid 6121] <... mmap resumed>) = 0x7f87c04cf000 [pid 6116] close(28 [pid 6115] exit_group(0 [ 137.761616][ T6122] overlayfs: upper fs needs to support d_type. [ 137.777597][ T6122] overlayfs: upper fs does not support tmpfile. [ 137.785677][ T6122] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 137.795564][ T6129] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6134] close(3 [pid 6130] <... futex resumed>) = ? [pid 6121] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6117] <... futex resumed>) = ? [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... exit_group resumed>) = ? [pid 6134] <... close resumed>) = 0 [pid 6130] +++ exited with 0 +++ [pid 6122] <... mount resumed>) = 0 [pid 6121] <... mprotect resumed>) = 0 [pid 6117] +++ exited with 0 +++ [pid 6115] +++ exited with 0 +++ [pid 6134] read(200, [pid 6121] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6135 attached [pid 6134] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6116] close(29 [pid 6135] set_robust_list(0x7f87c04ef9e0, 24 [pid 6134] symlink("/dev/binderfs", "./binderfs" [pid 6121] <... clone resumed>, parent_tid=[126], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 126 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=119, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 6116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] <... set_robust_list resumed>) = 0 [pid 6134] <... symlink resumed>) = 0 [pid 6122] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] mkdir(".", 0777 [pid 6134] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... futex resumed>) = 0 [pid 6135] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6134] <... futex resumed>) = 0 [pid 6121] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6135] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6122] <... futex resumed>) = 0 [pid 6116] exit_group(0 [pid 6134] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6134] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6136 attached [pid 6136] set_robust_list(0x7f87c85109e0, 24 [pid 6134] <... clone resumed>, parent_tid=[125], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 125 [pid 6136] <... set_robust_list resumed>) = 0 [pid 6134] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] memfd_create("syzkaller", 0 [pid 6134] <... futex resumed>) = 0 [pid 6136] <... memfd_create resumed>) = 3 [pid 6134] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6122] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6120] <... futex resumed>) = ? [pid 6116] <... exit_group resumed>) = ? [pid 6136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6120] +++ exited with 0 +++ [pid 6116] +++ exited with 0 +++ [pid 6136] <... mmap resumed>) = 0x7f87c00f0000 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=127, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5078] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5079] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./45/binderfs") = 0 [pid 5079] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] <... openat resumed>) = 3 [ 137.830874][ T6129] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 137.846738][ T6129] REISERFS (device loop5): using ordered data mode [ 137.858627][ T6135] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 137.861786][ T6129] reiserfs: using flush barriers [pid 5079] unlink("./45/cgroup" [pid 5078] fstat(3, [pid 6132] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5079] <... unlink resumed>) = 0 [pid 5079] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./45/cgroup.net") = 0 [pid 5079] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./44/binderfs") = 0 [pid 6136] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6135] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6135] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6135] <... futex resumed>) = 1 [pid 5078] lstat("./44/cgroup", [pid 6135] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./44/cgroup") = 0 [pid 5078] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./44/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./44/cgroup.net") = 0 [ 137.894212][ T6129] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 137.925402][ T6129] REISERFS (device loop5): checking transaction log (loop5) [pid 5078] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6121] <... futex resumed>) = 0 [pid 6121] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... futex resumed>) = 0 [pid 6121] <... futex resumed>) = 1 [pid 6122] unlink(NULL) = -1 EFAULT (Bad address) [pid 6122] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6122] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] close(3) = 0 [pid 6121] close(4) = -1 EBADF (Bad file descriptor) [pid 6121] close(5) = -1 EBADF (Bad file descriptor) [pid 6121] close(6) = -1 EBADF (Bad file descriptor) [pid 6121] close(7) = -1 EBADF (Bad file descriptor) [pid 6121] close(8) = -1 EBADF (Bad file descriptor) [pid 6121] close(9) = -1 EBADF (Bad file descriptor) [pid 6121] close(10) = -1 EBADF (Bad file descriptor) [pid 6121] close(11) = -1 EBADF (Bad file descriptor) [pid 6121] close(12) = -1 EBADF (Bad file descriptor) [pid 6121] close(13) = -1 EBADF (Bad file descriptor) [pid 6121] close(14) = -1 EBADF (Bad file descriptor) [pid 6121] close(15) = -1 EBADF (Bad file descriptor) [pid 6121] close(16) = -1 EBADF (Bad file descriptor) [pid 6121] close(17) = -1 EBADF (Bad file descriptor) [pid 6121] close(18) = -1 EBADF (Bad file descriptor) [pid 6121] close(19) = -1 EBADF (Bad file descriptor) [pid 6121] close(20) = -1 EBADF (Bad file descriptor) [pid 6121] close(21) = -1 EBADF (Bad file descriptor) [pid 6121] close(22) = -1 EBADF (Bad file descriptor) [pid 6121] close(23) = -1 EBADF (Bad file descriptor) [pid 6121] close(24) = -1 EBADF (Bad file descriptor) [pid 6121] close(25) = -1 EBADF (Bad file descriptor) [pid 6121] close(26) = -1 EBADF (Bad file descriptor) [pid 6121] close(27) = -1 EBADF (Bad file descriptor) [pid 6121] close(28) = -1 EBADF (Bad file descriptor) [pid 6121] close(29) = -1 EBADF (Bad file descriptor) [pid 6121] exit_group(0) = ? [pid 6135] <... futex resumed>) = ? [pid 6122] <... futex resumed>) = ? [pid 6135] +++ exited with 0 +++ [pid 6122] +++ exited with 0 +++ [pid 6121] +++ exited with 0 +++ [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=124, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [ 137.946185][ T6129] REISERFS (device loop5): Using r5 hash to sort names [ 137.982504][ T6129] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5083] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5083] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] unlink("./44/binderfs") = 0 [pid 5083] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./44/cgroup") = 0 [pid 5083] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./44/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./44/cgroup.net") = 0 [pid 5083] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6132] <... write resumed>) = 4194304 [pid 6132] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6132] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 138.025445][ T6129] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 6132] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... umount2 resumed>) = 0 [pid 6129] <... mount resumed>) = 0 [pid 6129] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5079] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6129] chdir("./file0") = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6129] ioctl(4, LOOP_CLR_FD [pid 5079] lstat("./45/file0", [pid 5078] <... umount2 resumed>) = 0 [pid 6129] <... ioctl resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6129] close(4 [pid 5079] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6129] <... close resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./44/file0", [pid 6129] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6129] <... futex resumed>) = 1 [pid 6128] <... futex resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6129] mkdir("./file1", 000 [pid 6128] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... openat resumed>) = 4 [pid 5078] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6129] <... mkdir resumed>) = 0 [pid 6128] <... futex resumed>) = 0 [pid 5079] fstat(4, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6136] <... write resumed>) = 4194304 [pid 6129] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] <... ioctl resumed>) = 0 [pid 6136] munmap(0x7f87c00f0000, 4194304 [pid 6129] <... futex resumed>) = 0 [pid 6128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6129] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6128] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] getdents64(4, [pid 6129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6128] <... futex resumed>) = 0 [pid 5078] <... openat resumed>) = 4 [pid 6129] mkdir("./bus", 000 [pid 6128] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] fstat(4, [pid 6136] <... munmap resumed>) = 0 [pid 6132] close(3 [pid 6129] <... mkdir resumed>) = 0 [ 138.085534][ T6132] loop3: detected capacity change from 0 to 8192 [pid 6132] <... close resumed>) = 0 [pid 5079] getdents64(4, [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6136] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6129] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] mkdir("./file0", 0777 [pid 6129] <... futex resumed>) = 1 [pid 6128] <... futex resumed>) = 0 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] getdents64(4, [pid 6136] <... openat resumed>) = 4 [pid 6132] <... mkdir resumed>) = 0 [pid 6129] mkdir("./file0", 000 [pid 6128] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] close(4 [pid 6136] ioctl(4, LOOP_SET_FD, 3 [pid 6132] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6129] <... mkdir resumed>) = 0 [pid 6128] <... futex resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6129] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] rmdir("./45/file0" [pid 6128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] getdents64(4, [pid 6129] <... futex resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6129] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6128] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... umount2 resumed>) = 0 [pid 5083] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./44/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] close(4 [pid 6128] <... futex resumed>) = 0 [pid 6128] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] <... close resumed>) = 0 [pid 5079] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] rmdir("./44/file0" [pid 5083] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5083] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5083] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] close(4) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5083] rmdir("./44/file0" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./45/cgroup.cpu", [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] lstat("./44/cgroup.cpu", [pid 5079] unlink("./45/cgroup.cpu" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] unlink("./44/cgroup.cpu" [pid 5079] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5079] close(3 [pid 5078] getdents64(3, [pid 5079] <... close resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] rmdir("./45" [pid 5078] close(3 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5079] mkdir("./46", 0777 [pid 5083] <... rmdir resumed>) = 0 [pid 5078] rmdir("./44" [pid 5079] <... mkdir resumed>) = 0 [pid 5083] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5078] <... rmdir resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./44/cgroup.cpu", [pid 5079] <... openat resumed>) = 3 [pid 5078] mkdir("./45", 0777 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] ioctl(3, LOOP_CLR_FD [ 138.161006][ T6136] loop4: detected capacity change from 0 to 8192 [ 138.170126][ T6132] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 138.186042][ T6129] overlayfs: upper fs needs to support d_type. [pid 5083] unlink("./44/cgroup.cpu" [pid 5078] <... mkdir resumed>) = 0 [pid 6136] <... ioctl resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5079] close(3 [pid 5078] <... openat resumed>) = 3 [pid 5079] <... close resumed>) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6136] close(3 [pid 5083] getdents64(3, [pid 5078] close(3 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 129 [pid 5078] <... close resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6139 attached [pid 6139] set_robust_list(0x5555565af5e0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 122 [pid 6139] <... set_robust_list resumed>) = 0 [pid 6139] chdir("./45") = 0 [pid 6139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6138 attached [pid 6139] setpgid(0, 0) = 0 [pid 6139] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6136] <... close resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6139] <... symlink resumed>) = 0 [pid 6138] set_robust_list(0x5555565af5e0, 24 [pid 6139] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6138] <... set_robust_list resumed>) = 0 [pid 6136] mkdir("./file0", 0777 [pid 5083] close(3 [pid 6139] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6138] chdir("./46" [pid 6139] <... symlink resumed>) = 0 [pid 6136] <... mkdir resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 6139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6139] write(3, "1000", 4 [pid 6138] <... chdir resumed>) = 0 [pid 6136] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5083] rmdir("./44" [pid 6139] <... write resumed>) = 4 [pid 6139] close(3) = 0 [pid 6139] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] symlink("/dev/binderfs", "./binderfs") = 0 [ 138.207418][ T6132] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 138.209360][ T6129] overlayfs: upper fs does not support tmpfile. [ 138.219737][ T6132] REISERFS (device loop3): using ordered data mode [ 138.237045][ T6132] reiserfs: using flush barriers [ 138.251792][ T6129] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6139] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] <... rmdir resumed>) = 0 [pid 6139] <... futex resumed>) = 0 [pid 6139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6139] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6139] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6141 attached [pid 6141] set_robust_list(0x7f87c85109e0, 24 [pid 6139] <... clone resumed>, parent_tid=[123], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 123 [pid 6141] <... set_robust_list resumed>) = 0 [pid 6139] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] memfd_create("syzkaller", 0 [pid 6139] <... futex resumed>) = 0 [pid 6138] <... prctl resumed>) = 0 [pid 5083] mkdir("./45", 0777 [pid 6141] <... memfd_create resumed>) = 3 [pid 6139] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6128] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6128] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6138] setpgid(0, 0) = 0 [pid 5083] <... mkdir resumed>) = 0 [pid 6138] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6138] <... symlink resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 6138] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [ 138.262100][ T6132] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 138.281382][ T6136] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6128] <... mprotect resumed>) = 0 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 6138] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6138] <... symlink resumed>) = 0 [pid 5083] close(3 [pid 6138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] <... close resumed>) = 0 [pid 6138] <... openat resumed>) = 3 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6138] write(3, "1000", 4) = 4 [pid 6128] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 127 [pid 6138] close(3) = 0 [pid 6138] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6138] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6142 attached ) = 0 [pid 6142] set_robust_list(0x5555565af5e0, 24 [pid 6138] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6128] <... clone resumed>, parent_tid=[131], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 131 [pid 6138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6128] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] <... mmap resumed>) = 0x7f87c84f0000 [pid 6128] <... futex resumed>) = 0 [pid 6138] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6128] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6138] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[130], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 130 [pid 6138] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6138] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6141] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 6144 attached [pid 6142] <... set_robust_list resumed>) = 0 [pid 6144] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 6142] chdir("./45" [pid 6144] memfd_create("syzkaller", 0 [pid 6142] <... chdir resumed>) = 0 [pid 6144] <... memfd_create resumed>) = 3 [pid 6142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6144] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6142] <... prctl resumed>) = 0 [pid 6144] <... mmap resumed>) = 0x7f87c00f0000 [pid 6142] setpgid(0, 0) = 0 [pid 6142] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6142] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6142] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6142] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 6143 attached [pid 6142] close(3) = 0 [pid 6142] read(200, [pid 6143] set_robust_list(0x7f87c04ef9e0, 24 [pid 6142] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6143] <... set_robust_list resumed>) = 0 [pid 6142] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6142] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6143] mkdir(".", 0777 [pid 6142] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6129] <... mount resumed>) = 0 [pid 6142] <... mprotect resumed>) = 0 [pid 6143] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6142] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6129] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6145 attached [pid 6143] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6129] <... futex resumed>) = 0 [pid 6145] set_robust_list(0x7f87c85109e0, 24 [pid 6142] <... clone resumed>, parent_tid=[128], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 128 [pid 6145] <... set_robust_list resumed>) = 0 [pid 6145] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6142] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6142] <... futex resumed>) = 0 [ 138.317240][ T6136] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 138.333888][ T6132] REISERFS (device loop3): checking transaction log (loop3) [pid 6145] memfd_create("syzkaller", 0) = 3 [pid 6145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 138.393352][ T6136] REISERFS (device loop4): using ordered data mode [ 138.415870][ T6143] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6142] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 138.415950][ T6132] REISERFS (device loop3): Using r5 hash to sort names [ 138.460930][ T6136] reiserfs: using flush barriers [ 138.467286][ T6132] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6144] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6145] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6141] <... write resumed>) = 4194304 [pid 6141] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6141] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 138.474221][ T6136] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 138.532448][ T6141] loop0: detected capacity change from 0 to 8192 [pid 6141] ioctl(4, LOOP_SET_FD, 3 [pid 6144] <... write resumed>) = 4194304 [pid 6144] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6144] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6141] <... ioctl resumed>) = 0 [pid 6144] <... openat resumed>) = 4 [pid 6141] close(3) = 0 [pid 6141] mkdir("./file0", 0777 [ 138.542899][ T6132] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 138.543079][ T6136] REISERFS (device loop4): checking transaction log (loop4) [pid 6144] ioctl(4, LOOP_SET_FD, 3 [pid 6141] <... mkdir resumed>) = 0 [pid 6141] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6143] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6143] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... futex resumed>) = 0 [pid 6128] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6128] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6129] <... futex resumed>) = 0 [pid 6143] <... futex resumed>) = 1 [pid 6143] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] unlink(NULL [pid 6132] <... mount resumed>) = 0 [pid 6132] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6132] chdir("./file0") = 0 [pid 6132] ioctl(4, LOOP_CLR_FD) = 0 [pid 6132] close(4) = 0 [pid 6132] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... futex resumed>) = 0 [pid 6131] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6131] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] <... futex resumed>) = 1 [pid 6132] mkdir("./file1", 000) = 0 [pid 6132] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... futex resumed>) = 0 [pid 6131] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6131] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] <... futex resumed>) = 1 [pid 6132] mkdir("./bus", 000) = 0 [pid 6132] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... futex resumed>) = 0 [pid 6131] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6131] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] <... futex resumed>) = 1 [pid 6132] mkdir("./file0", 000) = 0 [pid 6132] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... futex resumed>) = 0 [pid 6131] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6131] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] <... futex resumed>) = 1 [pid 6132] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6145] <... write resumed>) = 4194304 [pid 6145] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6145] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6145] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6145] close(3) = 0 [pid 6145] mkdir("./file0", 0777) = 0 [pid 6145] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6144] <... ioctl resumed>) = 0 [pid 6144] close(3) = 0 [pid 6144] mkdir("./file0", 0777) = 0 [ 138.599481][ T6144] loop1: detected capacity change from 0 to 8192 [ 138.612098][ T6141] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 138.634427][ T6145] loop2: detected capacity change from 0 to 8192 [ 138.637572][ T6132] overlayfs: upper fs needs to support d_type. [pid 6144] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6129] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6129] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6129] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6128] <... futex resumed>) = 0 [pid 6128] close(3) = 0 [pid 6128] close(4) = -1 EBADF (Bad file descriptor) [pid 6128] close(5) = -1 EBADF (Bad file descriptor) [pid 6128] close(6) = -1 EBADF (Bad file descriptor) [pid 6128] close(7) = -1 EBADF (Bad file descriptor) [pid 6128] close(8) = -1 EBADF (Bad file descriptor) [pid 6128] close(9) = -1 EBADF (Bad file descriptor) [pid 6128] close(10) = -1 EBADF (Bad file descriptor) [pid 6128] close(11) = -1 EBADF (Bad file descriptor) [pid 6128] close(12) = -1 EBADF (Bad file descriptor) [pid 6128] close(13) = -1 EBADF (Bad file descriptor) [pid 6128] close(14) = -1 EBADF (Bad file descriptor) [pid 6128] close(15) = -1 EBADF (Bad file descriptor) [pid 6128] close(16) = -1 EBADF (Bad file descriptor) [pid 6128] close(17) = -1 EBADF (Bad file descriptor) [pid 6128] close(18) = -1 EBADF (Bad file descriptor) [ 138.648983][ T6141] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 138.667088][ T6136] REISERFS (device loop4): Using r5 hash to sort names [ 138.678929][ T6144] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6128] close(19 [pid 6131] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] close(20 [pid 6131] <... futex resumed>) = 0 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6128] close(21 [pid 6131] <... mmap resumed>) = 0x7f87c04cf000 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6128] close(22 [pid 6131] <... mprotect resumed>) = 0 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 138.678950][ T6145] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 138.678968][ T6145] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 138.730130][ T6132] overlayfs: upper fs does not support tmpfile. [pid 6131] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6128] close(23./strace-static-x86_64: Process 6149 attached [pid 6132] <... mount resumed>) = 0 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] set_robust_list(0x7f87c04ef9e0, 24 [pid 6131] <... clone resumed>, parent_tid=[136], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 136 [pid 6128] close(24 [pid 6149] <... set_robust_list resumed>) = 0 [pid 6131] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] mkdir(".", 0777 [pid 6131] <... futex resumed>) = 0 [pid 6128] close(25 [pid 6149] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6131] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6149] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6128] close(26) = -1 EBADF (Bad file descriptor) [pid 6128] close(27) = -1 EBADF (Bad file descriptor) [pid 6128] close(28) = -1 EBADF (Bad file descriptor) [pid 6128] close(29) = -1 EBADF (Bad file descriptor) [pid 6128] exit_group(0 [pid 6143] <... futex resumed>) = ? [pid 6132] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... futex resumed>) = ? [pid 6128] <... exit_group resumed>) = ? [pid 6143] +++ exited with 0 +++ [pid 6129] +++ exited with 0 +++ [pid 6128] +++ exited with 0 +++ [pid 6132] <... futex resumed>) = 0 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=129, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5082] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5082] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5082] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] unlink("./45/binderfs") = 0 [pid 5082] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [ 138.737653][ T6136] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 138.739694][ T6132] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 138.753954][ T6144] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 138.768754][ T6141] REISERFS (device loop0): using ordered data mode [ 138.779803][ T6141] reiserfs: using flush barriers [ 138.788460][ T6145] REISERFS (device loop2): using ordered data mode [pid 5082] unlink("./45/cgroup") = 0 [pid 5082] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./45/cgroup.net", [pid 6132] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./45/cgroup.net") = 0 [ 138.796343][ T6145] reiserfs: using flush barriers [ 138.803309][ T6149] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 138.817911][ T6145] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 138.818346][ T6145] REISERFS (device loop2): checking transaction log (loop2) [ 138.820163][ T6145] REISERFS (device loop2): Using r5 hash to sort names [ 138.840287][ T6141] 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 [ 138.845505][ T6136] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 138.854142][ T6144] REISERFS (device loop1): using ordered data mode [ 138.871903][ T6145] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5082] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6149] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6145] <... mount resumed>) = 0 [pid 6136] <... mount resumed>) = 0 [pid 6149] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6131] <... futex resumed>) = 0 [pid 6149] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6131] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6145] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6136] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6145] chdir("./file0") = 0 [pid 6136] <... openat resumed>) = 3 [pid 6132] <... futex resumed>) = 0 [pid 6145] ioctl(4, LOOP_CLR_FD) = 0 [pid 6145] close(4) = 0 [pid 6136] chdir("./file0" [pid 6132] unlink(NULL [pid 6145] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6145] <... futex resumed>) = 1 [pid 6132] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6132] <... futex resumed>) = 1 [pid 6131] <... futex resumed>) = 0 [pid 6132] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] close(3) = 0 [pid 6131] close(4) = -1 EBADF (Bad file descriptor) [pid 6131] close(5) = -1 EBADF (Bad file descriptor) [ 138.883186][ T6141] REISERFS (device loop0): checking transaction log (loop0) [ 138.892617][ T6145] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 138.903090][ T6144] reiserfs: using flush barriers [ 138.924208][ T6141] REISERFS (device loop0): Using r5 hash to sort names [pid 6131] close(6 [pid 6136] <... chdir resumed>) = 0 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] <... futex resumed>) = 0 [pid 6136] ioctl(4, LOOP_CLR_FD [pid 6131] close(7 [pid 6142] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... ioctl resumed>) = 0 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... futex resumed>) = 0 [pid 6142] <... futex resumed>) = 1 [pid 6136] close(4 [pid 6131] close(8 [pid 5082] <... umount2 resumed>) = 0 [pid 6145] mkdir("./file1", 000 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... mkdir resumed>) = 0 [pid 6131] close(9 [pid 6145] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... futex resumed>) = 0 [pid 6131] close(10 [pid 6145] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] <... mount resumed>) = 0 [pid 6136] <... close resumed>) = 0 [pid 6131] close(11 [pid 5082] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6136] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 138.939424][ T6141] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 138.956133][ T6144] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 138.972599][ T6141] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 138.986525][ T6144] REISERFS (device loop1): checking transaction log (loop1) [pid 6131] close(12 [pid 6142] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 1 [pid 6134] <... futex resumed>) = 0 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] <... openat resumed>) = 3 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6145] <... futex resumed>) = 0 [pid 6142] <... futex resumed>) = 1 [pid 6136] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] close(13 [pid 6145] mkdir("./bus", 000 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... mkdir resumed>) = 0 [pid 6131] close(14 [pid 6145] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6145] <... futex resumed>) = 0 [pid 6131] close(15 [pid 6145] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(16) = -1 EBADF (Bad file descriptor) [pid 6131] close(17) = -1 EBADF (Bad file descriptor) [pid 6142] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] chdir("./file0" [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] <... futex resumed>) = 0 [pid 6131] close(18 [pid 5082] lstat("./45/file0", [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] close(19) = -1 EBADF (Bad file descriptor) [pid 6131] close(20 [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] mkdir("./file1", 000 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6142] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... mkdir resumed>) = 0 [pid 6131] close(21 [pid 6145] <... futex resumed>) = 0 [pid 6144] <... mount resumed>) = 0 [pid 6142] <... futex resumed>) = 1 [pid 6141] <... chdir resumed>) = 0 [pid 6136] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6145] mkdir("./file0", 000 [pid 6144] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6142] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] ioctl(4, LOOP_CLR_FD [pid 6136] <... futex resumed>) = 0 [pid 6134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6131] close(22 [pid 5082] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6145] <... mkdir resumed>) = 0 [pid 6144] <... openat resumed>) = 3 [pid 6141] <... ioctl resumed>) = 0 [pid 6136] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6145] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] chdir("./file0" [pid 6141] close(4 [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] <... futex resumed>) = 0 [pid 6131] close(23 [pid 5082] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6145] <... futex resumed>) = 1 [pid 6144] <... chdir resumed>) = 0 [pid 6142] <... futex resumed>) = 0 [pid 6141] <... close resumed>) = 0 [ 138.996233][ T6144] REISERFS (device loop1): Using r5 hash to sort names [ 139.004413][ T6144] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 139.020398][ T6144] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 6136] mkdir("./bus", 000 [pid 6134] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 4 [pid 6145] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6144] ioctl(4, LOOP_CLR_FD [pid 6142] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... mkdir resumed>) = 0 [pid 6131] close(24 [pid 5082] fstat(4, [pid 6145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6144] <... ioctl resumed>) = 0 [pid 6142] <... futex resumed>) = 0 [pid 6141] <... futex resumed>) = 1 [pid 6139] <... futex resumed>) = 0 [pid 6136] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6145] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6144] close(4 [pid 6142] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 1 [pid 6134] <... futex resumed>) = 0 [pid 6131] close(25 [pid 6144] <... close resumed>) = 0 [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] <... futex resumed>) = 0 [pid 6134] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] getdents64(4, [pid 6136] mkdir("./file0", 000 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] mkdir("./file1", 000 [pid 6139] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] <... futex resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6144] <... futex resumed>) = 1 [pid 6141] <... mkdir resumed>) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6134] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] getdents64(4, [pid 6144] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] <... futex resumed>) = 1 [pid 6139] <... futex resumed>) = 0 [pid 6138] <... futex resumed>) = 0 [pid 5082] close(4 [pid 6144] mkdir("./file1", 000 [pid 6141] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... close resumed>) = 0 [pid 6144] <... mkdir resumed>) = 0 [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] <... futex resumed>) = 0 [pid 5082] rmdir("./45/file0" [pid 6144] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] mkdir("./bus", 000 [pid 6139] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... rmdir resumed>) = 0 [pid 6144] <... futex resumed>) = 1 [pid 6141] <... mkdir resumed>) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6131] close(26 [pid 5082] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6144] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... mkdir resumed>) = 0 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] <... futex resumed>) = 1 [pid 6139] <... futex resumed>) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6136] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] close(27 [pid 5082] lstat("./45/cgroup.cpu", [pid 6144] mkdir("./bus", 000 [pid 6141] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] <... futex resumed>) = 1 [pid 6134] <... futex resumed>) = 0 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6144] <... mkdir resumed>) = 0 [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] <... futex resumed>) = 0 [pid 6136] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] close(28 [pid 5082] unlink("./45/cgroup.cpu" [pid 6144] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] mkdir("./file0", 000 [pid 6139] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] <... futex resumed>) = 0 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 6144] <... futex resumed>) = 1 [pid 6141] <... mkdir resumed>) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6136] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6134] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6131] close(29 [pid 5082] getdents64(3, [pid 6144] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6141] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] <... futex resumed>) = 1 [pid 6139] <... futex resumed>) = 0 [pid 6138] <... futex resumed>) = 0 [pid 6131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(3 [pid 6144] mkdir("./file0", 000 [pid 6141] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... close resumed>) = 0 [pid 6144] <... mkdir resumed>) = 0 [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6139] <... futex resumed>) = 0 [pid 5082] rmdir("./45" [pid 6144] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6139] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... rmdir resumed>) = 0 [pid 6144] <... futex resumed>) = 1 [pid 6138] <... futex resumed>) = 0 [pid 5082] mkdir("./46", 0777 [pid 6144] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6138] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] exit_group(0 [pid 5082] <... mkdir resumed>) = 0 [pid 6144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6138] <... futex resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6144] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6138] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... openat resumed>) = 3 [pid 5082] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5082] close(3) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6150 attached [pid 6150] set_robust_list(0x5555565af5e0, 24 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 132 [ 139.071615][ T6145] overlayfs: upper fs needs to support d_type. [ 139.095760][ T6136] overlayfs: upper fs needs to support d_type. [ 139.103063][ T6141] overlayfs: upper fs needs to support d_type. [ 139.108802][ T6145] overlayfs: upper fs does not support tmpfile. [pid 6150] <... set_robust_list resumed>) = 0 [pid 6149] <... futex resumed>) = ? [pid 6142] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6132] <... futex resumed>) = ? [pid 6131] <... exit_group resumed>) = ? [pid 6150] chdir("./46") = 0 [ 139.116774][ T6144] overlayfs: upper fs needs to support d_type. [ 139.121031][ T6145] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 139.124426][ T6144] overlayfs: upper fs does not support tmpfile. [ 139.138422][ T6136] overlayfs: upper fs does not support tmpfile. [ 139.148055][ T6141] overlayfs: upper fs does not support tmpfile. [pid 6149] +++ exited with 0 +++ [pid 6142] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6132] +++ exited with 0 +++ [pid 6131] +++ exited with 0 +++ [pid 6150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6134] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- [pid 6150] <... prctl resumed>) = 0 [pid 5081] restart_syscall(<... resuming interrupted clone ...> [pid 6150] setpgid(0, 0 [pid 5081] <... restart_syscall resumed>) = 0 [pid 6150] <... setpgid resumed>) = 0 [pid 6150] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 6134] <... futex resumed>) = 0 [pid 5081] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6150] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6150] <... symlink resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6150] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5081] <... openat resumed>) = 3 [pid 6150] <... symlink resumed>) = 0 [pid 6134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] fstat(3, [pid 6150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6150] <... openat resumed>) = 3 [pid 5081] getdents64(3, [pid 6150] write(3, "1000", 4 [pid 6134] <... mmap resumed>) = 0x7f87c04cf000 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6150] <... write resumed>) = 4 [pid 6134] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5081] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6150] close(3 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6150] <... close resumed>) = 0 [pid 5081] lstat("./46/binderfs", [pid 6150] read(200, [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6150] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] <... mprotect resumed>) = 0 [pid 5081] unlink("./46/binderfs" [ 139.167930][ T6136] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6150] symlink("/dev/binderfs", "./binderfs" [pid 5081] <... unlink resumed>) = 0 [pid 6150] <... symlink resumed>) = 0 [pid 6134] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6150] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6150] <... futex resumed>) = 0 [pid 5081] lstat("./46/cgroup", ./strace-static-x86_64: Process 6151 attached [pid 6150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6150] <... mmap resumed>) = 0x7f87c84f0000 [pid 5081] unlink("./46/cgroup" [pid 6151] set_robust_list(0x7f87c04ef9e0, 24 [pid 6150] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6134] <... clone resumed>, parent_tid=[126], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 126 [pid 5081] <... unlink resumed>) = 0 [pid 6150] <... mprotect resumed>) = 0 [pid 5081] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6150] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6152 attached [pid 6139] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] lstat("./46/cgroup.net", [pid 6152] set_robust_list(0x7f87c85109e0, 24 [pid 6150] <... clone resumed>, parent_tid=[133], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 133 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6152] <... set_robust_list resumed>) = 0 [pid 6151] <... set_robust_list resumed>) = 0 [pid 6150] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... futex resumed>) = 0 [pid 6139] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] unlink("./46/cgroup.net" [pid 6152] memfd_create("syzkaller", 0 [pid 6151] mkdir(".", 0777 [pid 6150] <... futex resumed>) = 0 [pid 6145] <... mount resumed>) = 0 [pid 6134] <... futex resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 6152] <... memfd_create resumed>) = 3 [pid 6150] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6134] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6151] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6145] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6152] <... mmap resumed>) = 0x7f87c00f0000 [pid 6151] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6145] <... futex resumed>) = 0 [pid 6142] <... mmap resumed>) = 0x7f87c04cf000 [pid 6145] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6144] <... mount resumed>) = 0 [pid 6142] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6141] <... mount resumed>) = 0 [pid 6139] <... futex resumed>) = 0 [pid 6138] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6136] <... mount resumed>) = 0 [pid 6144] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... mprotect resumed>) = 0 [ 139.192920][ T6144] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 139.196492][ T6141] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6141] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6138] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... futex resumed>) = 0 [pid 6142] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6141] <... futex resumed>) = 0 [pid 6139] <... mmap resumed>) = 0x7f87c04cf000 [pid 6138] <... futex resumed>) = 0 [pid 6136] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6153 attached [pid 6144] mkdir(".", 0777 [pid 6141] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6138] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6136] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] set_robust_list(0x7f87c04ef9e0, 24 [pid 6144] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6142] <... clone resumed>, parent_tid=[129], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 129 [pid 6139] <... mprotect resumed>) = 0 [pid 6153] <... set_robust_list resumed>) = 0 [pid 6144] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6142] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6153] mkdir(".", 0777 [pid 6142] <... futex resumed>) = 0 [pid 6142] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6139] <... clone resumed>, parent_tid=[124], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 124 ./strace-static-x86_64: Process 6154 attached [pid 6153] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6139] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6154] set_robust_list(0x7f87c04ef9e0, 24 [pid 6153] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6139] <... futex resumed>) = 0 [pid 6139] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6154] <... set_robust_list resumed>) = 0 [pid 6154] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 6154] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6151] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6151] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6134] <... futex resumed>) = 0 [ 139.279760][ T6151] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 139.296293][ T6144] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6151] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 0 [pid 6134] <... futex resumed>) = 1 [pid 6136] unlink(NULL [pid 6134] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6136] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6134] <... futex resumed>) = 0 [pid 6136] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] close(3) = 0 [pid 6134] close(4) = -1 EBADF (Bad file descriptor) [pid 6134] close(5) = -1 EBADF (Bad file descriptor) [pid 6134] close(6) = -1 EBADF (Bad file descriptor) [pid 6134] close(7) = -1 EBADF (Bad file descriptor) [pid 6134] close(8) = -1 EBADF (Bad file descriptor) [pid 6144] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6134] close(9 [pid 6144] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] <... futex resumed>) = 1 [pid 6138] <... futex resumed>) = 0 [pid 6134] close(10 [pid 6144] unlink(NULL [pid 6138] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6138] <... futex resumed>) = 0 [pid 6134] close(11 [pid 6144] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6144] <... futex resumed>) = 0 [pid 6138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] close(12 [pid 6144] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6138] close(3 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = 0 [pid 6134] close(13 [pid 6138] close(4 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = 0 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(14 [pid 5081] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6138] close(5 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(15 [pid 5081] lstat("./46/file0", [pid 6138] close(6 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(16 [pid 5081] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6138] close(7 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(17 [pid 5081] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6138] close(8 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... openat resumed>) = 4 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(18 [pid 5081] fstat(4, [pid 6138] close(9 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(19 [pid 5081] getdents64(4, [pid 6153] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6154] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6138] close(10 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6154] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(20 [pid 5081] getdents64(4, [pid 6154] <... futex resumed>) = 1 [pid 6153] <... futex resumed>) = 1 [pid 6142] <... futex resumed>) = 0 [pid 6139] <... futex resumed>) = 0 [pid 6138] close(11 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6154] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6142] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(21 [pid 5081] close(4 [pid 6145] <... futex resumed>) = 0 [pid 6142] <... futex resumed>) = 1 [pid 6141] <... futex resumed>) = 0 [pid 6139] <... futex resumed>) = 1 [pid 6138] close(12 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 6145] unlink(NULL [pid 6142] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] unlink(NULL [pid 6139] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(22 [pid 5081] rmdir("./46/file0" [pid 6152] <... write resumed>) = 4194304 [pid 6145] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6141] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6138] close(13 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] munmap(0x7f87c00f0000, 4194304 [pid 6145] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(23 [pid 5081] <... rmdir resumed>) = 0 [pid 6152] <... munmap resumed>) = 0 [pid 6145] <... futex resumed>) = 1 [pid 6142] <... futex resumed>) = 0 [pid 6141] <... futex resumed>) = 1 [pid 6139] <... futex resumed>) = 0 [pid 6138] close(14 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6152] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6145] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6142] close(3 [pid 6141] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6139] close(3 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(24 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6152] <... openat resumed>) = 4 [pid 6142] <... close resumed>) = 0 [pid 6139] <... close resumed>) = 0 [pid 6138] close(15 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./46/cgroup.cpu", [pid 6152] ioctl(4, LOOP_SET_FD, 3 [pid 6142] close(4 [pid 6139] close(4 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 139.330053][ T6153] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 139.344190][ T6154] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6134] close(25 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6138] close(16 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(26 [pid 6138] close(17 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(27 [pid 6138] close(18 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... ioctl resumed>) = 0 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(28 [pid 5081] unlink("./46/cgroup.cpu" [pid 6152] close(3 [pid 6142] close(5 [pid 6139] close(5 [pid 6138] close(19 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... unlink resumed>) = 0 [pid 6152] <... close resumed>) = 0 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] close(29 [pid 5081] getdents64(3, [pid 6152] mkdir("./file0", 0777 [pid 6142] close(6 [pid 6139] close(6 [pid 6138] close(20 [pid 6134] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6152] <... mkdir resumed>) = 0 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6134] exit_group(0 [pid 5081] close(3 [pid 6152] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6151] <... futex resumed>) = ? [pid 6142] close(7 [pid 6139] close(7 [pid 6138] close(21 [pid 6136] <... futex resumed>) = ? [pid 6134] <... exit_group resumed>) = ? [pid 5081] <... close resumed>) = 0 [pid 6151] +++ exited with 0 +++ [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] rmdir("./46" [pid 6142] close(8 [pid 6139] close(8 [pid 5081] <... rmdir resumed>) = 0 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] mkdir("./47", 0777 [pid 6142] close(9 [pid 6139] close(9 [pid 6138] close(22 [pid 6136] +++ exited with 0 +++ [pid 6134] +++ exited with 0 +++ [pid 5081] <... mkdir resumed>) = 0 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=124, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 6142] close(10 [pid 6139] close(10 [pid 6138] close(23 [pid 5081] <... openat resumed>) = 3 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] ioctl(3, LOOP_CLR_FD [pid 6142] close(11 [pid 6139] close(11 [pid 6138] close(24 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 5080] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6142] close(12 [pid 6139] close(12 [pid 6138] close(25 [pid 5081] <... close resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6138] close(26 [pid 5080] <... openat resumed>) = 3 [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 139.403479][ T6152] loop5: detected capacity change from 0 to 8192 [ 139.425802][ T6152] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5080] fstat(3, [pid 6138] close(27 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6142] close(13 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] getdents64(3, [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(13 [pid 6138] close(28 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6142] close(14 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 137 [pid 5080] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(14 [pid 6138] close(29 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6142] close(15 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./46/binderfs", [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(15 [pid 6138] exit_group(0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6144] <... futex resumed>) = ? [pid 6142] close(16 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... exit_group resumed>) = ? [pid 5080] unlink("./46/binderfs"./strace-static-x86_64: Process 6156 attached [pid 6144] +++ exited with 0 +++ [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(16 [pid 6138] +++ exited with 0 +++ [pid 5080] <... unlink resumed>) = 0 [pid 6142] close(17 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=129, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(17 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6142] close(18 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./46/cgroup", [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(18 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6142] close(19 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 139.449191][ T6152] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 139.477203][ T6152] REISERFS (device loop5): using ordered data mode [ 139.489389][ T6152] reiserfs: using flush barriers [pid 5080] unlink("./46/cgroup" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6156] set_robust_list(0x5555565af5e0, 24 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(19 [pid 5080] <... unlink resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6142] close(20 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... openat resumed>) = 3 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(20 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] fstat(3, [pid 6142] close(21 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./46/cgroup.net", [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(21 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] getdents64(3, [pid 6142] close(22 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./46/cgroup.net" [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(22 [pid 5080] <... unlink resumed>) = 0 [pid 5079] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6142] close(23 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(23 [pid 5079] lstat("./46/binderfs", [pid 6142] close(24 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(24 [pid 5079] unlink("./46/binderfs" [pid 6142] close(25 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(25 [pid 5079] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6142] close(26 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(26 [pid 5079] lstat("./46/cgroup", [pid 6142] close(27 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(27 [pid 5079] unlink("./46/cgroup" [pid 6142] close(28 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(28 [pid 5079] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6142] close(29 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6139] close(29 [pid 5079] lstat("./46/cgroup.net", [pid 6142] exit_group(0 [pid 6139] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6153] <... futex resumed>) = ? [pid 6145] <... futex resumed>) = ? [pid 6142] <... exit_group resumed>) = ? [pid 6139] exit_group(0 [pid 5079] unlink("./46/cgroup.net" [pid 6154] <... futex resumed>) = ? [pid 6153] +++ exited with 0 +++ [pid 6145] +++ exited with 0 +++ [pid 6142] +++ exited with 0 +++ [pid 6141] <... futex resumed>) = ? [pid 6139] <... exit_group resumed>) = ? [pid 5079] <... unlink resumed>) = 0 [pid 6154] +++ exited with 0 +++ [pid 6141] +++ exited with 0 +++ [pid 6139] +++ exited with 0 +++ [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=127, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5079] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5083] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6156] <... set_robust_list resumed>) = 0 [pid 5083] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6156] chdir("./47" [pid 5078] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6156] <... chdir resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 6156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... openat resumed>) = 3 [pid 5083] fstat(3, [pid 6156] <... prctl resumed>) = 0 [pid 5078] fstat(3, [pid 6156] setpgid(0, 0 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6156] <... setpgid resumed>) = 0 [pid 6156] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5083] getdents64(3, [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6156] <... symlink resumed>) = 0 [ 139.498244][ T6152] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 139.527858][ T6152] REISERFS (device loop5): checking transaction log (loop5) [ 139.543018][ T6152] REISERFS (device loop5): Using r5 hash to sort names [pid 6156] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6156] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5078] getdents64(3, [pid 6156] <... symlink resumed>) = 0 [pid 5083] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6156] write(3, "1000", 4) = 4 [pid 6156] close(3) = 0 [pid 6156] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6156] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6156] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6156] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6156] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[138], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 138 [pid 6156] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6156] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./45/binderfs") = 0 [pid 5078] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./45/cgroup") = 0 [pid 5078] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./45/cgroup.net") = 0 [pid 5078] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] unlink("./45/binderfs") = 0 [pid 5083] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./45/cgroup") = 0 [pid 5083] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6157 attached [pid 5083] unlink("./45/cgroup.net" [pid 6157] set_robust_list(0x7f87c85109e0, 24 [pid 5083] <... unlink resumed>) = 0 [pid 6157] <... set_robust_list resumed>) = 0 [pid 5083] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6157] memfd_create("syzkaller", 0) = 3 [pid 6157] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 139.558283][ T6152] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6152] <... mount resumed>) = 0 [pid 6152] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6152] chdir("./file0") = 0 [pid 6152] ioctl(4, LOOP_CLR_FD) = 0 [pid 6152] close(4 [pid 6157] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5080] <... umount2 resumed>) = 0 [pid 6152] <... close resumed>) = 0 [pid 6152] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... futex resumed>) = 0 [pid 6150] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6150] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6152] <... futex resumed>) = 1 [ 139.618524][ T6152] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 6152] mkdir("./file1", 000) = 0 [pid 6152] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... futex resumed>) = 0 [pid 6150] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6152] <... futex resumed>) = 1 [pid 6150] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6152] mkdir("./bus", 000) = 0 [pid 6152] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6150] <... futex resumed>) = 0 [pid 6152] mkdir("./file0", 000 [pid 6150] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... mkdir resumed>) = 0 [pid 6150] <... futex resumed>) = 0 [pid 6152] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6152] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6150] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6150] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./46/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5080] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] close(4 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... close resumed>) = 0 [pid 5079] lstat("./46/file0", [pid 5083] <... umount2 resumed>) = 0 [pid 5080] rmdir("./46/file0" [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... umount2 resumed>) = 0 [ 139.723535][ T6152] overlayfs: upper fs needs to support d_type. [pid 5080] <... rmdir resumed>) = 0 [pid 5079] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./45/file0", [pid 5080] lstat("./46/cgroup.cpu", [pid 5079] <... openat resumed>) = 4 [pid 5078] lstat("./45/file0", [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] fstat(4, [pid 5080] unlink("./46/cgroup.cpu" [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5079] getdents64(4, [pid 5078] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] getdents64(3, [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] close(3 [pid 5079] getdents64(4, [pid 5078] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... close resumed>) = 0 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] rmdir("./46" [pid 5078] <... openat resumed>) = 4 [pid 5083] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] close(4 [pid 5080] <... rmdir resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5078] fstat(4, [pid 5083] <... openat resumed>) = 4 [pid 5080] mkdir("./47", 0777 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] fstat(4, [pid 5079] rmdir("./46/file0" [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... mkdir resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] getdents64(4, [pid 5083] getdents64(4, [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5079] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... openat resumed>) = 3 [pid 5079] lstat("./46/cgroup.cpu", [pid 5078] getdents64(4, [pid 5083] getdents64(4, [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] close(4 [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] unlink("./46/cgroup.cpu" [pid 5078] close(4 [pid 5083] <... close resumed>) = 0 [pid 5080] close(3 [pid 5083] rmdir("./45/file0" [pid 5080] <... close resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5083] <... rmdir resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] getdents64(3, [pid 5078] rmdir("./45/file0"./strace-static-x86_64: Process 6158 attached [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 127 [pid 5078] <... rmdir resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6158] set_robust_list(0x5555565af5e0, 24 [pid 5083] lstat("./45/cgroup.cpu", [pid 5078] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6158] <... set_robust_list resumed>) = 0 [pid 5079] close(3 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... close resumed>) = 0 [pid 6158] chdir("./47" [pid 5083] unlink("./45/cgroup.cpu" [pid 5079] rmdir("./46" [pid 5078] lstat("./45/cgroup.cpu", [pid 6158] <... chdir resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 6158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] getdents64(3, [pid 5079] mkdir("./47", 0777 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6158] <... prctl resumed>) = 0 [pid 6158] setpgid(0, 0 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6158] <... setpgid resumed>) = 0 [pid 5083] close(3 [pid 5079] <... mkdir resumed>) = 0 [pid 5078] unlink("./45/cgroup.cpu" [pid 6158] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5083] <... close resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5078] <... unlink resumed>) = 0 [pid 6158] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5083] rmdir("./45" [pid 5079] <... openat resumed>) = 3 [pid 5078] getdents64(3, [pid 6158] <... symlink resumed>) = 0 [pid 5083] <... rmdir resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6158] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5078] close(3 [pid 6150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5083] mkdir("./46", 0777 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6158] <... symlink resumed>) = 0 [pid 5079] close(3 [pid 5078] <... close resumed>) = 0 [pid 6158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6150] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... mkdir resumed>) = 0 [pid 5079] <... close resumed>) = 0 [ 139.777001][ T6152] overlayfs: upper fs does not support tmpfile. [ 139.805923][ T6152] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5078] rmdir("./45" [pid 6158] <... openat resumed>) = 3 [pid 6150] <... futex resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6159 attached [pid 6159] set_robust_list(0x5555565af5e0, 24 [pid 6158] write(3, "1000", 4 [pid 6150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] <... openat resumed>) = 3 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 131 [pid 5078] mkdir("./46", 0777 [pid 6159] <... set_robust_list resumed>) = 0 [pid 6158] <... write resumed>) = 4 [pid 6150] <... mmap resumed>) = 0x7f87c04cf000 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 6159] chdir("./47" [pid 6158] close(3 [pid 6150] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] <... mkdir resumed>) = 0 [pid 6159] <... chdir resumed>) = 0 [pid 6158] <... close resumed>) = 0 [pid 6152] <... mount resumed>) = 0 [pid 6159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6158] read(200, [pid 6150] <... mprotect resumed>) = 0 [pid 5083] close(3 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6159] <... prctl resumed>) = 0 [pid 6158] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6150] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] <... close resumed>) = 0 [pid 6159] setpgid(0, 0 [pid 6158] symlink("/dev/binderfs", "./binderfs" [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6160 attached [pid 6159] <... setpgid resumed>) = 0 [pid 6158] <... symlink resumed>) = 0 [pid 6159] symlink("/syzcgroup/unified/syz1", "./cgroup"./strace-static-x86_64: Process 6161 attached [pid 6160] set_robust_list(0x7f87c04ef9e0, 24 [pid 6159] <... symlink resumed>) = 0 [pid 6158] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... clone resumed>, parent_tid=[134], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 134 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6161] set_robust_list(0x5555565af5e0, 24 [pid 6160] <... set_robust_list resumed>) = 0 [pid 6159] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6158] <... futex resumed>) = 0 [pid 6150] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 130 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6161] <... set_robust_list resumed>) = 0 [pid 6160] mkdir(".", 0777 [pid 6159] <... symlink resumed>) = 0 [pid 6158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6157] <... write resumed>) = 4194304 [pid 6152] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... futex resumed>) = 0 [pid 5078] close(3 [pid 6161] chdir("./46" [pid 6160] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6159] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6158] <... mmap resumed>) = 0x7f87c84f0000 [pid 6157] munmap(0x7f87c00f0000, 4194304 [pid 6152] <... futex resumed>) = 0 [pid 6150] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] <... close resumed>) = 0 [pid 6161] <... chdir resumed>) = 0 [pid 6160] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6159] <... symlink resumed>) = 0 [pid 6158] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6157] <... munmap resumed>) = 0 [pid 6152] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6162 attached [pid 6161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6158] <... mprotect resumed>) = 0 [pid 6157] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6162] set_robust_list(0x5555565af5e0, 24 [pid 6161] <... prctl resumed>) = 0 [pid 6159] <... openat resumed>) = 3 [pid 6158] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6157] <... openat resumed>) = 4 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 125 ./strace-static-x86_64: Process 6163 attached [pid 6162] <... set_robust_list resumed>) = 0 [pid 6161] setpgid(0, 0 [pid 6159] write(3, "1000", 4 [pid 6157] ioctl(4, LOOP_SET_FD, 3 [pid 6163] set_robust_list(0x7f87c85109e0, 24 [pid 6162] chdir("./46" [pid 6161] <... setpgid resumed>) = 0 [pid 6159] <... write resumed>) = 4 [pid 6158] <... clone resumed>, parent_tid=[128], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 128 [pid 6161] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6158] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... symlink resumed>) = 0 [pid 6158] <... futex resumed>) = 0 [pid 6161] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6158] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6161] <... symlink resumed>) = 0 [pid 6161] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6161] write(3, "1000", 4) = 4 [pid 6161] close(3) = 0 [pid 6161] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6161] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6163] <... set_robust_list resumed>) = 0 [pid 6162] <... chdir resumed>) = 0 [pid 6161] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] close(3 [pid 6163] memfd_create("syzkaller", 0 [pid 6161] <... futex resumed>) = 0 [pid 6159] <... close resumed>) = 0 [pid 6162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6163] <... memfd_create resumed>) = 3 [pid 6162] <... prctl resumed>) = 0 [pid 6161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6159] read(200, [pid 6163] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6162] setpgid(0, 0 [pid 6161] <... mmap resumed>) = 0x7f87c84f0000 [pid 6159] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6163] <... mmap resumed>) = 0x7f87c00f0000 [pid 6162] <... setpgid resumed>) = 0 [pid 6161] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6160] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6159] symlink("/dev/binderfs", "./binderfs" [pid 6157] <... ioctl resumed>) = 0 [pid 6162] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6161] <... mprotect resumed>) = 0 [pid 6160] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... symlink resumed>) = 0 [pid 6157] close(3 [pid 6162] <... symlink resumed>) = 0 [pid 6161] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6160] <... futex resumed>) = 1 [pid 6159] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] <... close resumed>) = 0 [pid 6150] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6164 attached [pid 6162] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6160] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6159] <... futex resumed>) = 0 [pid 6157] mkdir("./file0", 0777 [pid 6150] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... symlink resumed>) = 0 [pid 6159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6162] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6159] <... mmap resumed>) = 0x7f87c84f0000 [pid 6164] set_robust_list(0x7f87c85109e0, 24 [pid 6162] <... symlink resumed>) = 0 [pid 6161] <... clone resumed>, parent_tid=[131], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 131 [pid 6159] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6157] <... mkdir resumed>) = 0 [pid 6152] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = 1 [pid 6164] <... set_robust_list resumed>) = 0 [pid 6162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6159] <... mprotect resumed>) = 0 [pid 6162] <... openat resumed>) = 3 [pid 6159] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6165 attached [pid 6164] memfd_create("syzkaller", 0 [pid 6162] write(3, "1000", 4 [pid 6161] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6152] unlink(NULL [pid 6150] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] set_robust_list(0x7f87c85109e0, 24 [pid 6164] <... memfd_create resumed>) = 3 [pid 6162] <... write resumed>) = 4 [pid 6161] <... futex resumed>) = 0 [pid 6159] <... clone resumed>, parent_tid=[132], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 132 [pid 6165] <... set_robust_list resumed>) = 0 [pid 6164] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6162] close(3 [pid 6161] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6159] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6165] memfd_create("syzkaller", 0 [pid 6164] <... mmap resumed>) = 0x7f87c00f0000 [pid 6162] <... close resumed>) = 0 [pid 6159] <... futex resumed>) = 0 [pid 6152] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... memfd_create resumed>) = 3 [pid 6162] read(200, [pid 6159] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6162] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [ 139.903136][ T6157] loop3: detected capacity change from 0 to 8192 [ 139.907860][ T6160] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6165] <... mmap resumed>) = 0x7f87c00f0000 [pid 6162] symlink("/dev/binderfs", "./binderfs" [pid 6150] <... futex resumed>) = 0 [pid 6162] <... symlink resumed>) = 0 [pid 6152] <... futex resumed>) = 1 [pid 6162] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6162] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6162] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[126], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 126 [pid 6162] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6162] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6150] close(3./strace-static-x86_64: Process 6167 attached [pid 6152] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] set_robust_list(0x7f87c85109e0, 24 [pid 6150] <... close resumed>) = 0 [pid 6167] <... set_robust_list resumed>) = 0 [pid 6150] close(4 [pid 6167] memfd_create("syzkaller", 0 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... memfd_create resumed>) = 3 [pid 6150] close(5 [pid 6167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... mmap resumed>) = 0x7f87c00f0000 [pid 6150] close(6) = -1 EBADF (Bad file descriptor) [pid 6150] close(7) = -1 EBADF (Bad file descriptor) [pid 6150] close(8) = -1 EBADF (Bad file descriptor) [pid 6150] close(9) = -1 EBADF (Bad file descriptor) [pid 6150] close(10) = -1 EBADF (Bad file descriptor) [pid 6150] close(11) = -1 EBADF (Bad file descriptor) [pid 6150] close(12) = -1 EBADF (Bad file descriptor) [pid 6150] close(13) = -1 EBADF (Bad file descriptor) [pid 6150] close(14) = -1 EBADF (Bad file descriptor) [pid 6150] close(15) = -1 EBADF (Bad file descriptor) [pid 6150] close(16) = -1 EBADF (Bad file descriptor) [pid 6150] close(17) = -1 EBADF (Bad file descriptor) [pid 6150] close(18) = -1 EBADF (Bad file descriptor) [pid 6150] close(19) = -1 EBADF (Bad file descriptor) [pid 6150] close(20) = -1 EBADF (Bad file descriptor) [pid 6150] close(21) = -1 EBADF (Bad file descriptor) [pid 6150] close(22) = -1 EBADF (Bad file descriptor) [pid 6150] close(23) = -1 EBADF (Bad file descriptor) [pid 6150] close(24) = -1 EBADF (Bad file descriptor) [pid 6150] close(25) = -1 EBADF (Bad file descriptor) [pid 6150] close(26) = -1 EBADF (Bad file descriptor) [pid 6150] close(27 [pid 6165] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6163] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6150] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6150] close(28) = -1 EBADF (Bad file descriptor) [ 139.972799][ T6157] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6150] close(29) = -1 EBADF (Bad file descriptor) [pid 6150] exit_group(0 [pid 6160] <... futex resumed>) = ? [pid 6152] <... futex resumed>) = ? [pid 6150] <... exit_group resumed>) = ? [pid 6160] +++ exited with 0 +++ [pid 6152] +++ exited with 0 +++ [pid 6150] +++ exited with 0 +++ [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5082] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5082] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5082] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5082] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] unlink("./46/binderfs") = 0 [pid 5082] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] unlink("./46/cgroup") = 0 [pid 5082] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./46/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./46/cgroup.net") = 0 [ 140.027238][ T6157] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 140.045158][ T6157] REISERFS (device loop3): using ordered data mode [ 140.054734][ T6157] reiserfs: using flush barriers [pid 5082] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6163] <... write resumed>) = 4194304 [pid 6163] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6164] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6163] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 140.109053][ T6157] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 140.130335][ T6157] REISERFS (device loop3): checking transaction log (loop3) [ 140.148515][ T6163] loop4: detected capacity change from 0 to 8192 [pid 6163] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6163] close(3) = 0 [pid 6163] mkdir("./file0", 0777) = 0 [pid 6163] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6167] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6165] <... write resumed>) = 4194304 [pid 6165] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5082] <... umount2 resumed>) = 0 [pid 5082] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6165] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 140.157933][ T6157] REISERFS (device loop3): Using r5 hash to sort names [ 140.177556][ T6157] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 140.192923][ T6163] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5082] lstat("./46/file0", [pid 6165] ioctl(4, LOOP_SET_FD, 3 [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5082] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] close(4) = 0 [pid 5082] rmdir("./46/file0") = 0 [pid 5082] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./46/cgroup.cpu") = 0 [pid 5082] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] close(3) = 0 [pid 5082] rmdir("./46") = 0 [pid 5082] mkdir("./47", 0777) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5082] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5082] close(3) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6169 attached , child_tidptr=0x5555565af5d0) = 135 [pid 6169] set_robust_list(0x5555565af5e0, 24) = 0 [pid 6169] chdir("./47") = 0 [pid 6169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6169] setpgid(0, 0) = 0 [pid 6169] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 6169] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 6169] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 6169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6169] write(3, "1000", 4) = 4 [pid 6169] close(3) = 0 [pid 6169] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6169] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6169] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6169] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[136], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 136 [pid 6169] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6169] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6170 attached [pid 6170] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 6170] memfd_create("syzkaller", 0) = 3 [pid 6170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6165] <... ioctl resumed>) = 0 [pid 6165] close(3) = 0 [pid 6165] mkdir("./file0", 0777) = 0 [pid 6165] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6157] <... mount resumed>) = 0 [ 140.233380][ T6157] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 140.243688][ T6165] loop1: detected capacity change from 0 to 8192 [ 140.256583][ T6163] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 6157] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6157] chdir("./file0") = 0 [pid 6157] ioctl(4, LOOP_CLR_FD) = 0 [pid 6157] close(4 [pid 6170] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6157] <... close resumed>) = 0 [pid 6157] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6156] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] mkdir("./file1", 000 [pid 6156] <... futex resumed>) = 0 [pid 6156] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6157] <... mkdir resumed>) = 0 [pid 6157] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... futex resumed>) = 0 [pid 6157] <... futex resumed>) = 1 [pid 6156] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] mkdir("./bus", 000 [pid 6156] <... futex resumed>) = 0 [pid 6156] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6157] <... mkdir resumed>) = 0 [ 140.298396][ T6163] REISERFS (device loop4): using ordered data mode [pid 6157] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6156] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] mkdir("./file0", 000 [pid 6156] <... futex resumed>) = 0 [pid 6156] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6157] <... mkdir resumed>) = 0 [pid 6157] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... futex resumed>) = 0 [pid 6157] <... futex resumed>) = 1 [pid 6157] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6156] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6156] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6170] <... write resumed>) = 4194304 [ 140.358432][ T6165] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 140.372201][ T6163] reiserfs: using flush barriers [ 140.387530][ T6157] overlayfs: upper fs needs to support d_type. [pid 6167] <... write resumed>) = 4194304 [pid 6164] <... write resumed>) = 4194304 [pid 6170] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6170] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6170] ioctl(4, LOOP_SET_FD, 3 [pid 6167] munmap(0x7f87c00f0000, 4194304 [pid 6164] munmap(0x7f87c00f0000, 4194304 [pid 6170] <... ioctl resumed>) = 0 [pid 6170] close(3) = 0 [pid 6170] mkdir("./file0", 0777) = 0 [pid 6170] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6167] <... munmap resumed>) = 0 [pid 6164] <... munmap resumed>) = 0 [pid 6157] <... mount resumed>) = 0 [pid 6156] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 140.392417][ T6163] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 140.404531][ T6157] overlayfs: upper fs does not support tmpfile. [ 140.415458][ T6170] loop5: detected capacity change from 0 to 8192 [ 140.421084][ T6157] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 140.429879][ T6165] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 140.442784][ T6163] REISERFS (device loop4): checking transaction log (loop4) [pid 6167] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6164] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6157] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 140.447052][ T6170] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 140.457043][ T6165] REISERFS (device loop1): using ordered data mode [ 140.473993][ T6170] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 140.481439][ T6163] REISERFS (device loop4): Using r5 hash to sort names [ 140.489996][ T6170] REISERFS (device loop5): using ordered data mode [pid 6156] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... openat resumed>) = 4 [pid 6164] <... openat resumed>) = 4 [pid 6157] <... futex resumed>) = 0 [pid 6156] <... futex resumed>) = 0 [pid 6157] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6164] ioctl(4, LOOP_SET_FD, 3 [pid 6156] <... mmap resumed>) = 0x7f87c04cf000 [ 140.504432][ T6170] reiserfs: using flush barriers [ 140.504495][ T6164] loop2: detected capacity change from 0 to 8192 [ 140.511944][ T6165] reiserfs: using flush barriers [ 140.524326][ T6163] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 140.524352][ T6170] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6167] ioctl(4, LOOP_SET_FD, 3 [pid 6164] <... ioctl resumed>) = 0 [pid 6156] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6163] <... mount resumed>) = 0 [pid 6163] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6163] chdir("./file0") = 0 [pid 6163] ioctl(4, LOOP_CLR_FD) = 0 [pid 6163] close(4 [pid 6164] close(3 [pid 6163] <... close resumed>) = 0 [pid 6156] <... mprotect resumed>) = 0 [pid 6163] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6158] <... futex resumed>) = 0 [pid 6163] mkdir("./file1", 000 [pid 6158] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... mkdir resumed>) = 0 [pid 6158] <... futex resumed>) = 0 [pid 6163] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6163] <... futex resumed>) = 0 [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6163] mkdir("./bus", 000 [pid 6158] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... mkdir resumed>) = 0 [pid 6158] <... futex resumed>) = 0 [pid 6163] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6163] <... futex resumed>) = 0 [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6163] mkdir("./file0", 000 [pid 6158] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... mkdir resumed>) = 0 [pid 6158] <... futex resumed>) = 0 [pid 6163] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6163] <... futex resumed>) = 0 [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6163] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6158] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6158] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] <... ioctl resumed>) = 0 [pid 6167] close(3) = 0 [pid 6167] mkdir("./file0", 0777) = 0 [pid 6167] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6164] <... close resumed>) = 0 [pid 6164] mkdir("./file0", 0777) = 0 [pid 6164] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6156] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[139], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 139 [ 140.540120][ T6163] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 140.559936][ T6170] REISERFS (device loop5): checking transaction log (loop5) [ 140.568721][ T6167] loop0: detected capacity change from 0 to 8192 [ 140.587468][ T6165] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6156] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6175 attached ) = 0 [pid 6175] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 6175] mkdir(".", 0777 [ 140.610820][ T6170] REISERFS (device loop5): Using r5 hash to sort names [ 140.611099][ T6163] overlayfs: upper fs needs to support d_type. [ 140.631238][ T6164] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6156] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6175] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6158] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6158] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [ 140.636562][ T6170] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 140.651880][ T6167] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 140.668113][ T6165] REISERFS (device loop1): checking transaction log (loop1) [ 140.687752][ T6170] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 140.689254][ T6163] overlayfs: upper fs does not support tmpfile. [pid 6175] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6163] <... mount resumed>) = 0 [pid 6163] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6158] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[129], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 129 [pid 6158] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6158] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6176 attached [pid 6163] <... futex resumed>) = 0 [pid 6176] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 6176] mkdir(".", 0777) = -1 EEXIST (File exists) [ 140.704897][ T6165] REISERFS (device loop1): Using r5 hash to sort names [ 140.711006][ T6163] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 140.722010][ T6175] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 140.729827][ T6164] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 140.748586][ T6164] REISERFS (device loop2): using ordered data mode [ 140.755197][ T6164] reiserfs: using flush barriers [pid 6176] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6163] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] <... mount resumed>) = 0 [pid 6170] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6170] chdir("./file0") = 0 [pid 6170] ioctl(4, LOOP_CLR_FD) = 0 [pid 6170] close(4) = 0 [pid 6170] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6169] <... futex resumed>) = 0 [pid 6170] mkdir("./file1", 000 [pid 6169] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... mkdir resumed>) = 0 [pid 6169] <... futex resumed>) = 0 [pid 6170] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6170] <... futex resumed>) = 0 [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 140.765951][ T6167] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 140.776927][ T6167] REISERFS (device loop0): using ordered data mode [ 140.778931][ T6164] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 140.786305][ T6167] reiserfs: using flush barriers [pid 6170] mkdir("./bus", 000 [pid 6169] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... mkdir resumed>) = 0 [pid 6169] <... futex resumed>) = 0 [pid 6170] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6170] <... futex resumed>) = 0 [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] mkdir("./file0", 000 [pid 6169] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... mkdir resumed>) = 0 [pid 6169] <... futex resumed>) = 0 [pid 6170] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6170] <... futex resumed>) = 0 [pid 6169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6170] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6169] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6175] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6169] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6175] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6156] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6156] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6157] <... futex resumed>) = 0 [ 140.810910][ T6165] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 140.837230][ T6167] 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 [ 140.837720][ T6170] overlayfs: upper fs needs to support d_type. [pid 6157] unlink(NULL) = -1 EFAULT (Bad address) [pid 6156] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6157] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] close(3) = 0 [pid 6156] close(4) = -1 EBADF (Bad file descriptor) [pid 6156] close(5) = -1 EBADF (Bad file descriptor) [pid 6156] close(6) = -1 EBADF (Bad file descriptor) [pid 6156] close(7) = -1 EBADF (Bad file descriptor) [pid 6157] <... futex resumed>) = 0 [pid 6165] <... mount resumed>) = 0 [pid 6157] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [ 140.869630][ T6176] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 140.877947][ T6167] REISERFS (device loop0): checking transaction log (loop0) [ 140.893672][ T6164] REISERFS (device loop2): checking transaction log (loop2) [ 140.905777][ T6165] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 6156] close(8) = -1 EBADF (Bad file descriptor) [pid 6156] close(9) = -1 EBADF (Bad file descriptor) [pid 6156] close(10 [pid 6165] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] <... openat resumed>) = 3 [pid 6156] close(11 [pid 6165] chdir("./file0" [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] <... chdir resumed>) = 0 [pid 6170] <... mount resumed>) = 0 [pid 6165] ioctl(4, LOOP_CLR_FD [pid 6156] close(12 [pid 6176] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6170] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6165] <... ioctl resumed>) = 0 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] close(13) = -1 EBADF (Bad file descriptor) [pid 6156] close(14) = -1 EBADF (Bad file descriptor) [pid 6156] close(15) = -1 EBADF (Bad file descriptor) [pid 6156] close(16) = -1 EBADF (Bad file descriptor) [pid 6156] close(17) = -1 EBADF (Bad file descriptor) [pid 6156] close(18) = -1 EBADF (Bad file descriptor) [pid 6156] close(19) = -1 EBADF (Bad file descriptor) [pid 6156] close(20) = -1 EBADF (Bad file descriptor) [pid 6156] close(21) = -1 EBADF (Bad file descriptor) [pid 6156] close(22) = -1 EBADF (Bad file descriptor) [pid 6156] close(23) = -1 EBADF (Bad file descriptor) [pid 6156] close(24) = -1 EBADF (Bad file descriptor) [ 140.917101][ T6170] overlayfs: upper fs does not support tmpfile. [ 140.920593][ T6167] REISERFS (device loop0): Using r5 hash to sort names [ 140.926212][ T6170] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 140.950442][ T6167] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6169] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] close(4 [pid 6156] close(25) = -1 EBADF (Bad file descriptor) [pid 6156] close(26) = -1 EBADF (Bad file descriptor) [pid 6156] close(27) = -1 EBADF (Bad file descriptor) [pid 6156] close(28) = -1 EBADF (Bad file descriptor) [pid 6156] close(29) = -1 EBADF (Bad file descriptor) [pid 6156] exit_group(0 [pid 6175] <... futex resumed>) = ? [pid 6156] <... exit_group resumed>) = ? [pid 6175] +++ exited with 0 +++ [pid 6169] <... futex resumed>) = 0 [pid 6165] <... close resumed>) = 0 [pid 6157] <... futex resumed>) = ? [pid 6169] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6165] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] +++ exited with 0 +++ [pid 6156] +++ exited with 0 +++ [pid 6176] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... futex resumed>) = 1 [pid 6169] <... futex resumed>) = 0 [pid 6167] <... mount resumed>) = 0 [pid 6165] <... futex resumed>) = 1 [pid 6159] <... futex resumed>) = 0 [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=137, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5081] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5081] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] unlink("./47/binderfs" [pid 6176] <... futex resumed>) = 1 [pid 6170] mkdir(".", 0777 [pid 6169] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=31000000} [pid 6167] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6165] mkdir("./file1", 000 [pid 6159] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... unlink resumed>) = 0 [pid 5081] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./47/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] unlink("./47/cgroup") = 0 [pid 5081] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6159] <... futex resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6159] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] lstat("./47/cgroup.net", [pid 6176] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6167] <... openat resumed>) = 3 [pid 6165] <... mkdir resumed>) = 0 [pid 6164] <... mount resumed>) = 0 [pid 6158] <... futex resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6170] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6167] chdir("./file0" [pid 6165] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6158] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] unlink("./47/cgroup.net" [pid 6167] <... chdir resumed>) = 0 [pid 6165] <... futex resumed>) = 1 [pid 6164] <... openat resumed>) = 3 [pid 6163] <... futex resumed>) = 0 [pid 6159] <... futex resumed>) = 0 [pid 6158] <... futex resumed>) = 1 [pid 6167] ioctl(4, LOOP_CLR_FD [pid 6165] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] chdir("./file0" [pid 6163] unlink(NULL [pid 6159] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... unlink resumed>) = 0 [pid 6167] <... ioctl resumed>) = 0 [pid 6165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6164] <... chdir resumed>) = 0 [pid 6163] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6159] <... futex resumed>) = 0 [pid 5081] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6167] close(4 [pid 6165] mkdir("./bus", 000 [pid 6164] ioctl(4, LOOP_CLR_FD [pid 6163] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] <... close resumed>) = 0 [pid 6165] <... mkdir resumed>) = 0 [pid 6164] <... ioctl resumed>) = 0 [pid 6163] <... futex resumed>) = 1 [pid 6158] <... futex resumed>) = 0 [pid 6167] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] close(4 [pid 6163] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] close(3 [pid 6167] <... futex resumed>) = 1 [pid 6165] <... futex resumed>) = 0 [pid 6164] <... close resumed>) = 0 [pid 6162] <... futex resumed>) = 0 [pid 6158] <... close resumed>) = 0 [pid 6167] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] close(4 [pid 6167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6164] <... futex resumed>) = 1 [pid 6162] <... futex resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] mkdir("./file1", 000 [pid 6164] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] close(5 [pid 6167] <... mkdir resumed>) = 0 [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] close(6 [pid 6167] <... futex resumed>) = 1 [pid 6162] <... futex resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] close(7 [pid 6167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6165] <... futex resumed>) = 0 [pid 6162] <... futex resumed>) = 0 [pid 6159] <... futex resumed>) = 1 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] mkdir("./bus", 000 [pid 6165] mkdir("./file0", 000 [pid 6162] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] close(8 [pid 6167] <... mkdir resumed>) = 0 [pid 6165] <... mkdir resumed>) = 0 [pid 6159] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] close(9 [pid 6167] <... futex resumed>) = 1 [pid 6165] <... futex resumed>) = 0 [pid 6162] <... futex resumed>) = 0 [pid 6159] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 140.967788][ T6167] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 140.981754][ T6164] REISERFS (device loop2): Using r5 hash to sort names [ 140.992648][ T6164] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 141.008675][ T6164] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 6162] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... futex resumed>) = 0 [pid 6158] close(10 [pid 6167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] <... futex resumed>) = 0 [pid 6161] <... futex resumed>) = 0 [pid 6159] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 141.048007][ T6165] overlayfs: upper fs needs to support d_type. [ 141.062854][ T6170] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 141.087156][ T6165] overlayfs: upper fs does not support tmpfile. [pid 6167] mkdir("./file0", 000 [pid 6162] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6161] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] close(11 [pid 6167] <... mkdir resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] close(12 [pid 6167] <... futex resumed>) = 1 [pid 6164] <... futex resumed>) = 0 [pid 6162] <... futex resumed>) = 0 [pid 6161] <... futex resumed>) = 1 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] mkdir("./file1", 000 [pid 6162] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] close(13 [pid 6167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6165] <... mount resumed>) = 0 [pid 6164] <... mkdir resumed>) = 0 [pid 6162] <... futex resumed>) = 0 [pid 6161] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6170] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6164] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] close(14 [pid 6170] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] <... futex resumed>) = 0 [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = 0 [pid 6165] <... futex resumed>) = 1 [pid 6164] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6159] <... futex resumed>) = 0 [pid 6158] close(15) = -1 EBADF (Bad file descriptor) [pid 6158] close(16) = -1 EBADF (Bad file descriptor) [pid 6158] close(17) = -1 EBADF (Bad file descriptor) [pid 6158] close(18) = -1 EBADF (Bad file descriptor) [pid 6158] close(19) = -1 EBADF (Bad file descriptor) [pid 6158] close(20) = -1 EBADF (Bad file descriptor) [pid 6158] close(21) = -1 EBADF (Bad file descriptor) [pid 6158] close(22) = -1 EBADF (Bad file descriptor) [pid 6158] close(23) = -1 EBADF (Bad file descriptor) [pid 6158] close(24) = -1 EBADF (Bad file descriptor) [pid 6158] close(25) = -1 EBADF (Bad file descriptor) [pid 6158] close(26) = -1 EBADF (Bad file descriptor) [pid 6158] close(27) = -1 EBADF (Bad file descriptor) [ 141.100345][ T6165] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 141.130951][ T6167] overlayfs: upper fs needs to support d_type. [pid 6170] <... futex resumed>) = 1 [pid 6165] mkdir(".", 0777 [pid 6161] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] close(28) = -1 EBADF (Bad file descriptor) [pid 6158] close(29) = -1 EBADF (Bad file descriptor) [pid 6158] exit_group(0 [pid 6176] <... futex resumed>) = ? [pid 6163] <... futex resumed>) = ? [pid 6158] <... exit_group resumed>) = ? [pid 6176] +++ exited with 0 +++ [pid 6170] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6165] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6164] <... futex resumed>) = 0 [pid 6163] +++ exited with 0 +++ [pid 6161] <... futex resumed>) = 1 [pid 6159] <... futex resumed>) = 0 [pid 6158] +++ exited with 0 +++ [pid 6164] mkdir("./bus", 000 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=127, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 6164] <... mkdir resumed>) = 0 [pid 6165] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6164] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6164] <... futex resumed>) = 0 [pid 5080] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6164] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5080] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./47/binderfs", [pid 6161] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] unlink("./47/binderfs" [pid 6164] <... futex resumed>) = 0 [pid 6161] <... futex resumed>) = 1 [pid 5080] <... unlink resumed>) = 0 [pid 6164] mkdir("./file0", 000 [pid 5080] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6164] <... mkdir resumed>) = 0 [pid 6161] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6164] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] lstat("./47/cgroup", [pid 6164] <... futex resumed>) = 0 [pid 6161] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6164] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6161] <... futex resumed>) = 0 [ 141.152847][ T6167] overlayfs: upper fs does not support tmpfile. [ 141.171133][ T6167] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 141.191632][ T6164] overlayfs: upper fs needs to support d_type. [pid 5080] unlink("./47/cgroup" [pid 6161] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... unlink resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] lstat("./47/file0", [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] lstat("./47/cgroup.net", [pid 5081] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] unlink("./47/cgroup.net" [pid 5081] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... unlink resumed>) = 0 [pid 6162] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] <... openat resumed>) = 4 [pid 5080] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6162] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] fstat(4, [pid 6162] <... futex resumed>) = 0 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] getdents64(4, [pid 6162] <... mmap resumed>) = 0x7f87c04cf000 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6162] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5081] getdents64(4, [pid 6162] <... mprotect resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6162] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] close(4./strace-static-x86_64: Process 6177 attached ) = 0 [pid 6177] set_robust_list(0x7f87c04ef9e0, 24 [pid 6162] <... clone resumed>, parent_tid=[127], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 127 [pid 5081] rmdir("./47/file0" [pid 6177] <... set_robust_list resumed>) = 0 [pid 6162] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... rmdir resumed>) = 0 [pid 6177] mkdir(".", 0777 [pid 6162] <... futex resumed>) = 0 [pid 5081] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6177] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6162] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6177] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5081] lstat("./47/cgroup.cpu", [pid 6169] <... futex resumed>) = 0 [pid 6165] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6169] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] <... futex resumed>) = 0 [pid 6169] <... futex resumed>) = 1 [pid 6165] <... futex resumed>) = 1 [pid 6159] <... futex resumed>) = 0 [pid 6170] unlink(NULL [pid 6169] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6159] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] unlink("./47/cgroup.cpu" [pid 6170] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6159] <... futex resumed>) = 0 [pid 6170] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... mount resumed>) = 0 [pid 6165] unlink(NULL [pid 6159] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... unlink resumed>) = 0 [pid 6170] <... futex resumed>) = 1 [pid 6169] <... futex resumed>) = 0 [pid 6165] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6170] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] close(3 [pid 6165] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... close resumed>) = 0 [pid 6165] <... futex resumed>) = 1 [pid 6159] <... futex resumed>) = 0 [pid 6169] close(4 [pid 6165] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6159] close(3 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = 0 [pid 6169] close(5 [pid 6159] close(4 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 141.192788][ T6165] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 141.212004][ T6164] overlayfs: upper fs does not support tmpfile. [pid 6169] close(6 [pid 6167] <... futex resumed>) = 0 [pid 6159] close(5 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(3, [pid 6169] close(7 [pid 6159] close(6 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(8 [pid 6159] close(7 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 6169] close(9 [pid 6159] close(8 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(10 [pid 6159] close(9 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 6169] close(11 [pid 6159] close(10 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(12 [pid 6161] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] close(11 [pid 5081] rmdir("./47" [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... futex resumed>) = 0 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(13 [pid 6161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6159] close(12 [pid 5081] <... rmdir resumed>) = 0 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... mmap resumed>) = 0x7f87c04cf000 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] mkdir("./48", 0777 [pid 6169] close(14 [pid 6161] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6159] close(13 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... mprotect resumed>) = 0 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... mkdir resumed>) = 0 [pid 6169] close(15 [pid 6161] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6159] close(14 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 6178 attached [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] set_robust_list(0x7f87c04ef9e0, 24 [pid 6169] close(16 [pid 6161] <... clone resumed>, parent_tid=[132], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 132 [pid 6159] close(15 [pid 5081] <... openat resumed>) = 3 [pid 6178] <... set_robust_list resumed>) = 0 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] ioctl(3, LOOP_CLR_FD [pid 6178] mkdir(".", 0777 [pid 6177] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6169] close(17 [pid 6161] <... futex resumed>) = 0 [pid 6159] close(16 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6178] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6177] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 6178] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6177] <... futex resumed>) = 1 [pid 6169] close(18 [pid 6164] <... mount resumed>) = 0 [pid 6162] <... futex resumed>) = 0 [pid 6159] close(17 [pid 5081] <... close resumed>) = 0 [pid 5080] <... umount2 resumed>) = 0 [pid 6177] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6179 attached [pid 6169] close(19 [pid 6167] <... futex resumed>) = 0 [pid 6164] <... futex resumed>) = 0 [pid 6162] <... futex resumed>) = 1 [pid 6159] close(18 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 141.239544][ T6177] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 141.268481][ T6164] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6179] set_robust_list(0x5555565af5e0, 24 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] unlink(NULL [pid 6164] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 140 [pid 5080] lstat("./47/file0", [pid 6179] <... set_robust_list resumed>) = 0 [pid 6169] close(20 [pid 6167] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6159] close(19 [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6179] chdir("./48" [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6179] <... chdir resumed>) = 0 [pid 6169] close(21 [pid 6167] <... futex resumed>) = 1 [pid 6162] <... futex resumed>) = 0 [pid 6159] close(20 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] close(3 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6179] <... prctl resumed>) = 0 [pid 6169] close(22 [pid 6162] <... close resumed>) = 0 [pid 6159] close(21 [pid 5080] <... openat resumed>) = 4 [pid 6179] setpgid(0, 0 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(4 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] fstat(4, [pid 6179] <... setpgid resumed>) = 0 [pid 6169] close(23 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] close(22 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6162] close(5 [pid 5080] getdents64(4, [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6162] close(6 [pid 5080] getdents64(4, [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6162] close(7 [pid 5080] close(4 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = 0 [pid 6162] close(8 [pid 5080] rmdir("./47/file0" [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... rmdir resumed>) = 0 [pid 6162] close(9 [pid 5080] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6162] close(10 [pid 5080] lstat("./47/cgroup.cpu", [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6162] close(11 [pid 5080] unlink("./47/cgroup.cpu" [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... unlink resumed>) = 0 [pid 6162] close(12 [pid 5080] getdents64(3, [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6162] close(13 [pid 5080] close(3 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = 0 [pid 6162] close(14 [pid 5080] rmdir("./47" [pid 6179] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... rmdir resumed>) = 0 [pid 6179] <... symlink resumed>) = 0 [pid 6178] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6169] close(24 [pid 6162] close(15 [pid 6159] close(23 [pid 5080] mkdir("./48", 0777 [pid 6179] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6178] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... symlink resumed>) = 0 [pid 6178] <... futex resumed>) = 1 [pid 6169] close(25 [pid 6162] close(16 [pid 6161] <... futex resumed>) = 0 [pid 6159] close(24 [pid 5080] <... mkdir resumed>) = 0 [pid 6179] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6178] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6179] <... symlink resumed>) = 0 [pid 6169] close(26 [pid 6164] <... futex resumed>) = 0 [pid 6162] close(17 [pid 6161] <... futex resumed>) = 1 [pid 6159] close(25 [pid 6179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] unlink(NULL [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... openat resumed>) = 3 [pid 6179] <... openat resumed>) = 3 [pid 6169] close(27 [pid 6164] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6162] close(18 [pid 6159] close(26 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 6179] write(3, "1000", 4 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6179] <... write resumed>) = 4 [pid 6169] close(28 [pid 6164] <... futex resumed>) = 1 [pid 6162] close(19 [pid 6161] <... futex resumed>) = 0 [pid 6159] close(27 [pid 5080] close(3 [pid 6179] close(3 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] close(3 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = 0 [pid 6179] <... close resumed>) = 0 [pid 6169] close(29 [pid 6161] <... close resumed>) = 0 [pid 6159] close(28 [pid 6179] read(200, [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] close(4 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] exit_group(0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] close(29 [pid 6179] symlink("/dev/binderfs", "./binderfs" [pid 6170] <... futex resumed>) = ? [pid 6169] <... exit_group resumed>) = ? [pid 6161] close(5 [pid 6159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... symlink resumed>) = 0 [pid 6170] +++ exited with 0 +++ [pid 6169] +++ exited with 0 +++ [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] exit_group(0 [pid 6179] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... futex resumed>) = ? [pid 6161] close(6 [pid 6159] <... exit_group resumed>) = ? [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=135, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=26 /* 0.26 s */} --- [pid 6179] <... futex resumed>) = 0 [pid 6165] +++ exited with 0 +++ [pid 6162] close(20 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] +++ exited with 0 +++ [pid 5082] restart_syscall(<... resuming interrupted clone ...> [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] close(7 [pid 5082] <... restart_syscall resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=131, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=28 /* 0.28 s */} --- [pid 6179] <... mmap resumed>) = 0x7f87c84f0000 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6180 attached [pid 6179] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6162] close(21 [pid 6161] close(8 [pid 6180] set_robust_list(0x5555565af5e0, 24 [pid 6179] <... mprotect resumed>) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 130 [pid 6180] <... set_robust_list resumed>) = 0 [pid 6179] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6162] close(22 [ 141.331377][ T6178] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6161] close(9 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6181 attached [pid 6180] chdir("./48" [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6181] set_robust_list(0x7f87c85109e0, 24 [pid 6180] <... chdir resumed>) = 0 [pid 6179] <... clone resumed>, parent_tid=[141], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 141 [pid 6162] close(23 [pid 6161] close(10 [pid 5082] <... openat resumed>) = 3 [pid 6181] <... set_robust_list resumed>) = 0 [pid 6179] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] fstat(3, [pid 5079] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6181] memfd_create("syzkaller", 0 [pid 6179] <... futex resumed>) = 0 [pid 6161] close(11 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6181] <... memfd_create resumed>) = 3 [pid 6179] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(3, [pid 5079] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6161] close(12 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] <... openat resumed>) = 3 [pid 6181] <... mmap resumed>) = 0x7f87c00f0000 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] fstat(3, [pid 6180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] close(13 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./47/binderfs", [pid 5079] getdents64(3, [pid 6161] close(14 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./47/binderfs" [pid 5079] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6161] close(15 [pid 5082] <... unlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./47/binderfs", [pid 6161] close(16 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./47/cgroup", [pid 5079] unlink("./47/binderfs" [pid 6161] close(17 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./47/cgroup" [pid 5079] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6161] close(18 [pid 5082] <... unlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./47/cgroup", [pid 6161] close(19 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./47/cgroup.net", [pid 5079] unlink("./47/cgroup" [pid 6161] close(20 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./47/cgroup.net" [pid 5079] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6180] <... prctl resumed>) = 0 [pid 6162] close(24 [pid 6161] close(21 [pid 5082] <... unlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6180] setpgid(0, 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./47/cgroup.net", [pid 6181] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6180] <... setpgid resumed>) = 0 [pid 6162] close(25 [pid 6161] close(22 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6180] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./47/cgroup.net" [pid 6180] <... symlink resumed>) = 0 [pid 6162] close(26 [pid 6161] close(23 [pid 5079] <... unlink resumed>) = 0 [pid 6180] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6180] <... symlink resumed>) = 0 [pid 6162] close(27 [pid 6161] close(24) = -1 EBADF (Bad file descriptor) [pid 6161] close(25 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] close(28 [pid 6161] close(26 [pid 6180] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] close(27 [pid 6162] close(29 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... symlink resumed>) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] close(28 [pid 6180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6162] exit_group(0 [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] close(29 [pid 6180] <... openat resumed>) = 3 [pid 6177] <... futex resumed>) = ? [pid 6167] <... futex resumed>) = ? [pid 6162] <... exit_group resumed>) = ? [pid 6161] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] write(3, "1000", 4 [pid 6177] +++ exited with 0 +++ [pid 6167] +++ exited with 0 +++ [pid 6161] exit_group(0 [pid 6178] <... futex resumed>) = ? [pid 6161] <... exit_group resumed>) = ? [pid 6180] <... write resumed>) = 4 [pid 6178] +++ exited with 0 +++ [pid 6164] <... futex resumed>) = ? [pid 6162] +++ exited with 0 +++ [pid 6180] close(3) = 0 [pid 6164] +++ exited with 0 +++ [pid 6161] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=125, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 6180] read(200, [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 6180] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6180] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5083] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6180] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6180] <... futex resumed>) = 0 [pid 5083] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] <... openat resumed>) = 3 [pid 6180] <... mmap resumed>) = 0x7f87c84f0000 [pid 5078] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6180] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5083] fstat(3, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6180] <... mprotect resumed>) = 0 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6180] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] getdents64(3, [pid 5078] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6182 attached [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] fstat(3, [pid 6182] set_robust_list(0x7f87c85109e0, 24 [pid 6180] <... clone resumed>, parent_tid=[131], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 131 [pid 5083] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6182] <... set_robust_list resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6182] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] lstat("./46/binderfs", [pid 5078] getdents64(3, [pid 6182] memfd_create("syzkaller", 0 [pid 6180] <... futex resumed>) = 0 [pid 6182] <... memfd_create resumed>) = 3 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6180] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] unlink("./46/binderfs" [pid 5078] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6182] <... mmap resumed>) = 0x7f87c00f0000 [pid 5083] <... unlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./46/binderfs", [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./46/cgroup", [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./46/binderfs" [pid 5083] unlink("./46/cgroup") = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5083] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./46/cgroup.net", [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] lstat("./46/cgroup", [pid 5083] unlink("./46/cgroup.net" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5078] unlink("./46/cgroup" [pid 5083] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... unlink resumed>) = 0 [pid 5078] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./46/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./46/cgroup.net") = 0 [pid 5078] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = 0 [pid 5079] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./47/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] close(4) = 0 [pid 5079] rmdir("./47/file0") = 0 [pid 5079] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6181] <... write resumed>) = 4194304 [pid 6181] munmap(0x7f87c00f0000, 4194304 [pid 5082] <... umount2 resumed>) = 0 [pid 5079] lstat("./47/cgroup.cpu", [pid 6182] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./47/cgroup.cpu" [pid 5082] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... unlink resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] getdents64(3, [pid 5082] lstat("./47/file0", [pid 6181] <... munmap resumed>) = 0 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] close(3 [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... close resumed>) = 0 [pid 5082] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6181] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5079] rmdir("./47") = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] mkdir("./48", 0777) = 0 [pid 5082] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6181] <... openat resumed>) = 4 [pid 5082] <... openat resumed>) = 4 [pid 5079] <... openat resumed>) = 3 [pid 6181] ioctl(4, LOOP_SET_FD, 3 [pid 5082] fstat(4, [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5082] getdents64(4, [pid 5079] close(3 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] <... close resumed>) = 0 [pid 5082] getdents64(4, [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6183 attached [pid 5082] close(4 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 133 [pid 6183] set_robust_list(0x5555565af5e0, 24 [pid 5082] <... close resumed>) = 0 [pid 6183] <... set_robust_list resumed>) = 0 [pid 5082] rmdir("./47/file0" [pid 6183] chdir("./48" [pid 5082] <... rmdir resumed>) = 0 [pid 6183] <... chdir resumed>) = 0 [pid 5082] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6183] <... prctl resumed>) = 0 [pid 5082] lstat("./47/cgroup.cpu", [pid 6183] setpgid(0, 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6183] <... setpgid resumed>) = 0 [pid 5082] unlink("./47/cgroup.cpu" [pid 6183] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5082] <... unlink resumed>) = 0 [pid 6183] <... symlink resumed>) = 0 [pid 5082] getdents64(3, [pid 6183] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6183] <... symlink resumed>) = 0 [pid 5082] close(3 [pid 6183] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5082] <... close resumed>) = 0 [pid 5082] rmdir("./47" [pid 6183] <... symlink resumed>) = 0 [pid 6183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] <... rmdir resumed>) = 0 [pid 6183] <... openat resumed>) = 3 [ 141.602840][ T6181] loop3: detected capacity change from 0 to 8192 [pid 5082] mkdir("./48", 0777 [pid 6183] write(3, "1000", 4 [pid 5082] <... mkdir resumed>) = 0 [pid 6183] <... write resumed>) = 4 [pid 6181] <... ioctl resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6183] close(3 [pid 6181] close(3 [pid 6183] <... close resumed>) = 0 [pid 6181] <... close resumed>) = 0 [pid 5082] <... openat resumed>) = 3 [pid 6183] read(200, [pid 6181] mkdir("./file0", 0777 [pid 5082] ioctl(3, LOOP_CLR_FD [pid 6183] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6183] symlink("/dev/binderfs", "./binderfs" [pid 6181] <... mkdir resumed>) = 0 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6183] <... symlink resumed>) = 0 [pid 5082] close(3 [pid 6181] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6183] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... close resumed>) = 0 [pid 6183] <... futex resumed>) = 0 [pid 6183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6183] <... mmap resumed>) = 0x7f87c84f0000 ./strace-static-x86_64: Process 6185 attached [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 137 [pid 6183] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6185] set_robust_list(0x5555565af5e0, 24) = 0 [pid 6183] <... mprotect resumed>) = 0 [pid 6185] chdir("./48") = 0 [pid 6183] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6185] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6186 attached ) = 0 [pid 6186] set_robust_list(0x7f87c85109e0, 24 [pid 6183] <... clone resumed>, parent_tid=[134], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 134 [pid 6185] setpgid(0, 0 [pid 6183] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... set_robust_list resumed>) = 0 [pid 6185] <... setpgid resumed>) = 0 [pid 6183] <... futex resumed>) = 0 [pid 6186] memfd_create("syzkaller", 0 [pid 6183] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6185] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6186] <... memfd_create resumed>) = 3 [pid 6186] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6185] <... symlink resumed>) = 0 [pid 6186] <... mmap resumed>) = 0x7f87c00f0000 [pid 6185] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5083] <... umount2 resumed>) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 5078] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6185] <... symlink resumed>) = 0 [pid 6185] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 5083] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./46/file0", [pid 6185] <... openat resumed>) = 3 [pid 5083] lstat("./46/file0", [pid 6185] write(3, "1000", 4 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6185] <... write resumed>) = 4 [pid 5083] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6185] close(3 [pid 5078] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6185] <... close resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... openat resumed>) = 4 [pid 5078] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5083] fstat(4, [pid 5078] <... openat resumed>) = 4 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] fstat(4, [pid 5083] getdents64(4, [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(4, [pid 5083] getdents64(4, [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] getdents64(4, [pid 5083] close(4 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] <... close resumed>) = 0 [pid 5078] close(4 [pid 5083] rmdir("./46/file0" [pid 5078] <... close resumed>) = 0 [pid 5083] <... rmdir resumed>) = 0 [pid 5078] rmdir("./46/file0" [pid 6185] read(200, [pid 5083] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... rmdir resumed>) = 0 [pid 6185] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6185] symlink("/dev/binderfs", "./binderfs" [pid 6182] <... write resumed>) = 4194304 [pid 5078] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6185] <... symlink resumed>) = 0 [pid 6185] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6185] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6185] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6187 attached [pid 6187] set_robust_list(0x7f87c85109e0, 24 [pid 6185] <... clone resumed>, parent_tid=[138], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 138 [pid 6187] <... set_robust_list resumed>) = 0 [pid 6185] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] memfd_create("syzkaller", 0 [pid 6185] <... futex resumed>) = 0 [pid 6187] <... memfd_create resumed>) = 3 [pid 6185] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5083] lstat("./46/cgroup.cpu", [pid 6187] <... mmap resumed>) = 0x7f87c00f0000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6182] munmap(0x7f87c00f0000, 4194304) = 0 [pid 5083] unlink("./46/cgroup.cpu" [pid 5078] lstat("./46/cgroup.cpu", [pid 5083] <... unlink resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6182] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5083] getdents64(3, [pid 5078] unlink("./46/cgroup.cpu" [pid 6182] <... openat resumed>) = 4 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6182] ioctl(4, LOOP_SET_FD, 3 [ 141.720940][ T6181] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 141.737432][ T6181] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 141.749299][ T6181] REISERFS (device loop3): using ordered data mode [ 141.758807][ T6181] reiserfs: using flush barriers [pid 5083] close(3 [pid 5078] getdents64(3, [pid 6186] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5083] <... close resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] rmdir("./46" [pid 5078] close(3 [pid 5083] <... rmdir resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5083] mkdir("./47", 0777 [pid 5078] rmdir("./46" [pid 5083] <... mkdir resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5078] mkdir("./47", 0777 [pid 5083] <... openat resumed>) = 3 [pid 5078] <... mkdir resumed>) = 0 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] <... openat resumed>) = 3 [pid 5083] close(3 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5083] <... close resumed>) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] close(3./strace-static-x86_64: Process 6188 attached ) = 0 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 133 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6189 attached [pid 6188] set_robust_list(0x5555565af5e0, 24 [pid 6189] set_robust_list(0x5555565af5e0, 24 [pid 6188] <... set_robust_list resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 128 [pid 6189] <... set_robust_list resumed>) = 0 [pid 6188] chdir("./47" [ 141.777361][ T6182] loop4: detected capacity change from 0 to 8192 [pid 6189] chdir("./47" [pid 6188] <... chdir resumed>) = 0 [pid 6186] <... write resumed>) = 4194304 [pid 6182] <... ioctl resumed>) = 0 [pid 6182] close(3) = 0 [pid 6182] mkdir("./file0", 0777 [pid 6189] <... chdir resumed>) = 0 [pid 6188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6186] munmap(0x7f87c00f0000, 4194304 [pid 6182] <... mkdir resumed>) = 0 [pid 6189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6188] <... prctl resumed>) = 0 [pid 6187] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6186] <... munmap resumed>) = 0 [pid 6189] <... prctl resumed>) = 0 [pid 6188] setpgid(0, 0 [pid 6186] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6189] setpgid(0, 0 [pid 6188] <... setpgid resumed>) = 0 [pid 6186] <... openat resumed>) = 4 [pid 6189] <... setpgid resumed>) = 0 [pid 6188] symlink("/syzcgroup/unified/syz2", "./cgroup" [ 141.830774][ T6181] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 141.849420][ T6181] REISERFS (device loop3): checking transaction log (loop3) [ 141.861236][ T6181] REISERFS (device loop3): Using r5 hash to sort names [pid 6186] ioctl(4, LOOP_SET_FD, 3 [pid 6189] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6188] <... symlink resumed>) = 0 [pid 6182] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6189] <... symlink resumed>) = 0 [pid 6188] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6189] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6188] <... symlink resumed>) = 0 [pid 6189] <... symlink resumed>) = 0 [pid 6188] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6189] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6188] <... symlink resumed>) = 0 [pid 6189] <... symlink resumed>) = 0 [pid 6188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6188] <... openat resumed>) = 3 [pid 6189] <... openat resumed>) = 3 [pid 6188] write(3, "1000", 4 [pid 6189] write(3, "1000", 4 [pid 6188] <... write resumed>) = 4 [pid 6189] <... write resumed>) = 4 [pid 6188] close(3 [pid 6186] <... ioctl resumed>) = 0 [pid 6189] close(3 [pid 6188] <... close resumed>) = 0 [pid 6189] <... close resumed>) = 0 [pid 6188] read(200, [pid 6189] read(200, [pid 6188] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] symlink("/dev/binderfs", "./binderfs" [pid 6189] symlink("/dev/binderfs", "./binderfs" [pid 6188] <... symlink resumed>) = 0 [pid 6186] close(3 [pid 6189] <... symlink resumed>) = 0 [pid 6188] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... futex resumed>) = 0 [pid 6189] <... futex resumed>) = 0 [pid 6188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6188] <... mmap resumed>) = 0x7f87c84f0000 [pid 6189] <... mmap resumed>) = 0x7f87c84f0000 [pid 6188] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6189] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6188] <... mprotect resumed>) = 0 [pid 6189] <... mprotect resumed>) = 0 [pid 6188] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6191 attached [pid 6189] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6191] set_robust_list(0x7f87c85109e0, 24 [pid 6188] <... clone resumed>, parent_tid=[134], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 134 [pid 6191] <... set_robust_list resumed>) = 0 [pid 6189] <... clone resumed>, parent_tid=[129], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 129 [pid 6188] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] memfd_create("syzkaller", 0 [pid 6189] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... futex resumed>) = 0 [pid 6191] <... memfd_create resumed>) = 3 [pid 6189] <... futex resumed>) = 0 [pid 6188] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6189] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6191] <... mmap resumed>) = 0x7f87c00f0000 ./strace-static-x86_64: Process 6192 attached [pid 6186] <... close resumed>) = 0 [pid 6192] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 6186] mkdir("./file0", 0777) = 0 [pid 6192] memfd_create("syzkaller", 0) = 3 [pid 6192] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 141.874328][ T6186] loop1: detected capacity change from 0 to 8192 [ 141.874754][ T6181] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 141.901746][ T6181] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 141.914006][ T6182] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6186] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6192] <... mmap resumed>) = 0x7f87c00f0000 [pid 6191] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6187] <... write resumed>) = 4194304 [pid 6187] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6187] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6187] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6187] close(3) = 0 [pid 6187] mkdir("./file0", 0777) = 0 [pid 6187] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6181] <... mount resumed>) = 0 [pid 6181] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6181] chdir("./file0") = 0 [pid 6181] ioctl(4, LOOP_CLR_FD) = 0 [pid 6181] close(4) = 0 [pid 6181] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6179] <... futex resumed>) = 0 [pid 6181] mkdir("./file1", 000 [pid 6179] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... mkdir resumed>) = 0 [pid 6179] <... futex resumed>) = 0 [pid 6181] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6181] <... futex resumed>) = 0 [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6181] mkdir("./bus", 000 [pid 6179] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... mkdir resumed>) = 0 [pid 6179] <... futex resumed>) = 0 [pid 6181] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6181] <... futex resumed>) = 0 [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6181] mkdir("./file0", 000 [pid 6179] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... mkdir resumed>) = 0 [pid 6179] <... futex resumed>) = 0 [pid 6179] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6181] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] <... futex resumed>) = 0 [pid 6179] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6179] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6181] <... futex resumed>) = 1 [ 141.942666][ T6186] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 141.957162][ T6187] loop5: detected capacity change from 0 to 8192 [ 141.982084][ T6182] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 6181] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6179] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6179] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6179] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6179] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[142], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 142 [pid 6179] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 141.993756][ T6182] REISERFS (device loop4): using ordered data mode [ 142.001708][ T6182] reiserfs: using flush barriers [ 142.008742][ T6187] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 142.011126][ T6186] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 142.027766][ T6181] overlayfs: upper fs needs to support d_type. [ 142.037573][ T6186] REISERFS (device loop1): using ordered data mode [ 142.042743][ T6182] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 142.047800][ T6186] reiserfs: using flush barriers [ 142.072523][ T6186] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6179] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6195 attached [pid 6192] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6195] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 6195] mkdir(".", 0777) = -1 EEXIST (File exists) [ 142.090486][ T6186] REISERFS (device loop1): checking transaction log (loop1) [ 142.101593][ T6186] REISERFS (device loop1): Using r5 hash to sort names [ 142.107683][ T6187] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 142.109393][ T6182] REISERFS (device loop4): checking transaction log (loop4) [ 142.127717][ T6181] overlayfs: upper fs does not support tmpfile. [ 142.136307][ T6186] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 142.151607][ T6181] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 142.155747][ T6187] REISERFS (device loop5): using ordered data mode [ 142.159288][ T6186] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 142.176697][ T6195] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6195] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6191] <... write resumed>) = 4194304 [pid 6186] <... mount resumed>) = 0 [pid 6191] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6191] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6191] ioctl(4, LOOP_SET_FD, 3 [pid 6186] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 142.178374][ T6182] REISERFS (device loop4): Using r5 hash to sort names [ 142.198172][ T6187] reiserfs: using flush barriers [ 142.205620][ T6187] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 142.220374][ T6191] loop2: detected capacity change from 0 to 8192 [ 142.226099][ T6182] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6186] chdir("./file0" [pid 6191] <... ioctl resumed>) = 0 [pid 6186] <... chdir resumed>) = 0 [pid 6191] close(3) = 0 [pid 6191] mkdir("./file0", 0777 [pid 6186] ioctl(4, LOOP_CLR_FD [pid 6182] <... mount resumed>) = 0 [pid 6186] <... ioctl resumed>) = 0 [pid 6186] close(4 [pid 6182] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6186] <... close resumed>) = 0 [pid 6191] <... mkdir resumed>) = 0 [pid 6186] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... openat resumed>) = 3 [pid 6186] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 [pid 6183] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] chdir("./file0" [pid 6186] mkdir("./file1", 000 [pid 6183] <... futex resumed>) = 0 [pid 6191] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6182] <... chdir resumed>) = 0 [pid 6182] ioctl(4, LOOP_CLR_FD [ 142.246278][ T6182] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 142.258271][ T6187] REISERFS (device loop5): checking transaction log (loop5) [ 142.270971][ T6187] REISERFS (device loop5): Using r5 hash to sort names [ 142.280654][ T6187] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6186] <... mkdir resumed>) = 0 [pid 6183] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6192] <... write resumed>) = 4194304 [pid 6187] <... mount resumed>) = 0 [pid 6186] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6182] <... ioctl resumed>) = 0 [pid 6181] <... mount resumed>) = 0 [pid 6195] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] munmap(0x7f87c00f0000, 4194304 [pid 6187] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6186] <... futex resumed>) = 0 [pid 6183] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] close(4 [pid 6181] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... futex resumed>) = 1 [pid 6192] <... munmap resumed>) = 0 [pid 6187] <... openat resumed>) = 3 [pid 6186] mkdir("./bus", 000 [pid 6183] <... futex resumed>) = 0 [pid 6182] <... close resumed>) = 0 [pid 6181] <... futex resumed>) = 0 [pid 6179] <... futex resumed>) = 0 [pid 6195] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6192] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6187] chdir("./file0" [pid 6186] <... mkdir resumed>) = 0 [pid 6183] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... openat resumed>) = 4 [pid 6187] <... chdir resumed>) = 0 [pid 6186] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6182] <... futex resumed>) = 1 [pid 6181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6179] <... futex resumed>) = 0 [pid 6192] ioctl(4, LOOP_SET_FD, 3 [pid 6187] ioctl(4, LOOP_CLR_FD [pid 6186] <... futex resumed>) = 0 [pid 6183] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [ 142.299379][ T6187] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 142.307922][ T6191] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 142.332561][ T6191] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 6181] unlink(NULL [pid 6180] <... futex resumed>) = 0 [pid 6179] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6180] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6187] <... ioctl resumed>) = 0 [pid 6186] mkdir("./file0", 000 [pid 6183] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6181] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6192] <... ioctl resumed>) = 0 [pid 6187] close(4 [pid 6186] <... mkdir resumed>) = 0 [pid 6192] close(3 [pid 6187] <... close resumed>) = 0 [pid 6186] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] mkdir("./file1", 000 [pid 6181] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... close resumed>) = 0 [pid 6187] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... futex resumed>) = 0 [pid 6183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6182] <... mkdir resumed>) = 0 [pid 6181] <... futex resumed>) = 1 [pid 6179] <... futex resumed>) = 0 [pid 6192] mkdir("./file0", 0777 [pid 6187] <... futex resumed>) = 1 [pid 6186] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6185] <... futex resumed>) = 0 [pid 6183] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [ 142.345410][ T6192] loop0: detected capacity change from 0 to 8192 [ 142.355736][ T6191] REISERFS (device loop2): using ordered data mode [ 142.364447][ T6191] reiserfs: using flush barriers [ 142.382834][ T6191] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6179] close(3 [pid 6192] <... mkdir resumed>) = 0 [pid 6187] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6185] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6185] <... futex resumed>) = 0 [pid 6180] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] <... futex resumed>) = 0 [pid 6180] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6192] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6186] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6183] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = 1 [pid 6180] <... futex resumed>) = 0 [pid 6179] <... close resumed>) = 0 [pid 6187] mkdir("./file1", 000 [pid 6182] mkdir("./bus", 000 [pid 6180] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=35000000} [pid 6179] close(4 [pid 6187] <... mkdir resumed>) = 0 [pid 6182] <... mkdir resumed>) = 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] close(5 [pid 6187] <... futex resumed>) = 1 [pid 6185] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = 1 [pid 6180] <... futex resumed>) = 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6185] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] close(6 [pid 6187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6185] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6180] <... futex resumed>) = 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] mkdir("./bus", 000 [pid 6185] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 142.402454][ T6191] REISERFS (device loop2): checking transaction log (loop2) [ 142.411442][ T6186] overlayfs: upper fs needs to support d_type. [ 142.420238][ T6191] REISERFS (device loop2): Using r5 hash to sort names [ 142.429246][ T6191] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 142.436780][ T6186] overlayfs: upper fs does not support tmpfile. [pid 6182] mkdir("./file0", 000 [pid 6180] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6179] close(7 [pid 6191] <... mount resumed>) = 0 [pid 6187] <... mkdir resumed>) = 0 [pid 6182] <... mkdir resumed>) = 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6187] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] close(8 [pid 6191] <... openat resumed>) = 3 [pid 6187] <... futex resumed>) = 1 [pid 6185] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = 1 [pid 6180] <... futex resumed>) = 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] chdir("./file0" [pid 6187] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6185] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] close(9 [pid 6191] <... chdir resumed>) = 0 [pid 6187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6186] <... mount resumed>) = 0 [pid 6185] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6180] <... futex resumed>) = 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] mkdir("./file0", 000 [ 142.444026][ T6191] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 142.452434][ T6192] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 142.459620][ T6186] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 142.486274][ T6192] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 142.492729][ T6182] overlayfs: upper fs needs to support d_type. [pid 6185] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6180] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6179] close(10 [pid 6191] ioctl(4, LOOP_CLR_FD [pid 6187] <... mkdir resumed>) = 0 [pid 6186] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] close(11 [pid 6187] <... futex resumed>) = 1 [pid 6185] <... futex resumed>) = 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6185] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] close(12 [pid 6187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6185] <... futex resumed>) = 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] <... ioctl resumed>) = 0 [pid 6187] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6186] <... futex resumed>) = 1 [pid 6185] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] <... futex resumed>) = 0 [pid 6179] close(13 [pid 6191] close(4 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(14 [pid 6191] <... close resumed>) = 0 [pid 6186] mkdir(".", 0777 [pid 6183] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(15) = -1 EBADF (Bad file descriptor) [pid 6179] close(16) = -1 EBADF (Bad file descriptor) [pid 6179] close(17) = -1 EBADF (Bad file descriptor) [pid 6179] close(18) = -1 EBADF (Bad file descriptor) [pid 6179] close(19) = -1 EBADF (Bad file descriptor) [pid 6179] close(20) = -1 EBADF (Bad file descriptor) [pid 6179] close(21) = -1 EBADF (Bad file descriptor) [pid 6179] close(22) = -1 EBADF (Bad file descriptor) [pid 6179] close(23) = -1 EBADF (Bad file descriptor) [ 142.497404][ T6192] REISERFS (device loop0): using ordered data mode [ 142.511576][ T6192] reiserfs: using flush barriers [ 142.513412][ T6187] overlayfs: upper fs needs to support d_type. [ 142.519158][ T6182] overlayfs: upper fs does not support tmpfile. [ 142.527077][ T6187] overlayfs: upper fs does not support tmpfile. [pid 6179] close(24) = -1 EBADF (Bad file descriptor) [pid 6179] close(25 [pid 6183] <... futex resumed>) = 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6179] close(26 [pid 6191] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6183] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] <... futex resumed>) = 1 [pid 6188] <... futex resumed>) = 0 [pid 6179] close(27) = -1 EBADF (Bad file descriptor) [pid 6191] mkdir("./file1", 000 [pid 6188] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] close(28 [pid 6191] <... mkdir resumed>) = 0 [pid 6188] <... futex resumed>) = 0 [pid 6182] <... mount resumed>) = 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(29) = -1 EBADF (Bad file descriptor) [pid 6179] exit_group(0 [pid 6195] <... futex resumed>) = ? [pid 6181] <... futex resumed>) = ? [pid 6179] <... exit_group resumed>) = ? [pid 6195] +++ exited with 0 +++ [pid 6181] +++ exited with 0 +++ [pid 6179] +++ exited with 0 +++ [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5081] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5081] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6191] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] lstat("./48/binderfs", [pid 6188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6182] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6188] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... futex resumed>) = 1 [pid 6180] <... futex resumed>) = 0 [pid 5081] unlink("./48/binderfs" [pid 6188] <... futex resumed>) = 0 [pid 6182] mkdir(".", 0777 [ 142.531233][ T6192] 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 [ 142.558217][ T6182] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 142.573713][ T6186] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6180] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... unlink resumed>) = 0 [pid 6188] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6180] <... futex resumed>) = 0 [pid 5081] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6182] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6180] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./48/cgroup", [pid 6191] <... futex resumed>) = 1 [pid 6188] <... futex resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6191] mkdir("./bus", 000 [pid 6188] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=39000000} [pid 6186] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6185] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] unlink("./48/cgroup" [pid 6191] <... mkdir resumed>) = 0 [pid 6186] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... futex resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 6191] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... mount resumed>) = 0 [pid 6186] <... futex resumed>) = 1 [pid 6185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6183] <... futex resumed>) = 0 [pid 5081] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./48/cgroup.net") = 0 [pid 5081] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6191] <... futex resumed>) = 1 [pid 6188] <... futex resumed>) = 0 [pid 6187] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] unlink(NULL [pid 6185] <... mmap resumed>) = 0x7f87c04cf000 [pid 6183] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6187] <... futex resumed>) = 0 [pid 6186] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6185] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6183] <... futex resumed>) = 0 [pid 6187] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6186] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... mprotect resumed>) = 0 [pid 6186] <... futex resumed>) = 0 [pid 6183] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6186] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6185] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6198 attached [pid 6198] set_robust_list(0x7f87c04ef9e0, 24 [pid 6188] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... clone resumed>, parent_tid=[139], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 139 [pid 6183] close(3 [pid 6182] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6198] <... set_robust_list resumed>) = 0 [pid 6191] <... futex resumed>) = 0 [pid 6188] <... futex resumed>) = 1 [pid 6185] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... close resumed>) = 0 [pid 6182] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] mkdir("./file0", 000 [pid 6183] close(4 [pid 6182] <... futex resumed>) = 1 [pid 6191] <... mkdir resumed>) = 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 142.597844][ T6187] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 142.619696][ T6182] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 142.622025][ T6192] REISERFS (device loop0): checking transaction log (loop0) [pid 6182] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] close(5 [pid 6191] <... futex resumed>) = 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6198] mkdir(".", 0777 [pid 6191] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] <... futex resumed>) = 0 [pid 6183] close(6 [pid 6198] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6185] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6198] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6188] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] close(7 [pid 6191] <... futex resumed>) = 0 [pid 6188] <... futex resumed>) = 1 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6188] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] close(8) = -1 EBADF (Bad file descriptor) [pid 6180] <... futex resumed>) = 0 [pid 6183] close(9) = -1 EBADF (Bad file descriptor) [pid 6183] close(10) = -1 EBADF (Bad file descriptor) [pid 6183] close(11) = -1 EBADF (Bad file descriptor) [pid 6183] close(12) = -1 EBADF (Bad file descriptor) [pid 6183] close(13) = -1 EBADF (Bad file descriptor) [pid 6183] close(14) = -1 EBADF (Bad file descriptor) [pid 6183] close(15) = -1 EBADF (Bad file descriptor) [pid 6183] close(16) = -1 EBADF (Bad file descriptor) [pid 6183] close(17) = -1 EBADF (Bad file descriptor) [pid 6180] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] close(18 [pid 6182] <... futex resumed>) = 0 [pid 6180] <... futex resumed>) = 1 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] unlink(NULL [pid 6180] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] close(19 [pid 6182] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 142.648232][ T6192] REISERFS (device loop0): Using r5 hash to sort names [ 142.665912][ T6191] overlayfs: upper fs needs to support d_type. [ 142.672356][ T6198] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 142.694011][ T6191] overlayfs: upper fs does not support tmpfile. [pid 6182] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] close(20 [pid 6182] <... futex resumed>) = 1 [pid 6180] <... futex resumed>) = 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] close(3 [pid 6183] close(21 [pid 6180] <... close resumed>) = 0 [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(4 [pid 6183] close(22 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(5 [pid 6183] close(23 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(6 [pid 6183] close(24 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(7 [pid 6183] close(25 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(8 [pid 6183] close(26 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(9 [pid 6183] close(27 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(10 [pid 6183] close(28 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(11 [pid 6183] close(29 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] close(12 [pid 6183] exit_group(0 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... futex resumed>) = ? [pid 6183] <... exit_group resumed>) = ? [pid 6180] close(13 [pid 6188] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6186] +++ exited with 0 +++ [pid 6183] +++ exited with 0 +++ [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] close(14 [pid 6198] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6188] <... futex resumed>) = 0 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=133, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 6198] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6180] close(15 [ 142.695732][ T6192] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5079] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6198] <... futex resumed>) = 1 [pid 6188] <... mmap resumed>) = 0x7f87c04cf000 [pid 6185] <... futex resumed>) = 0 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6180] close(16 [pid 5079] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 6198] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6192] <... mount resumed>) = 0 [pid 6185] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] close(17 [pid 5081] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] fstat(3, [pid 6192] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6188] <... mprotect resumed>) = 0 [pid 6187] <... futex resumed>) = 0 [pid 6185] <... futex resumed>) = 1 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6192] <... openat resumed>) = 3 [pid 6188] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6187] unlink(NULL [pid 6185] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] lstat("./48/file0", [pid 6192] chdir("./file0" [pid 6187] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6192] <... chdir resumed>) = 0 [pid 6188] <... clone resumed>, parent_tid=[135], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 135 [pid 6187] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] close(18 [pid 5081] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] getdents64(3, [pid 6192] ioctl(4, LOOP_CLR_FD [pid 6188] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... futex resumed>) = 1 [pid 6185] <... futex resumed>) = 0 [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6192] <... ioctl resumed>) = 0 [pid 6188] <... futex resumed>) = 0 [pid 6187] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6185] close(3 [pid 5081] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6192] close(4 [pid 6188] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6185] <... close resumed>) = 0 [pid 5081] <... openat resumed>) = 4 [pid 6192] <... close resumed>) = 0 [pid 6185] close(4 [pid 6180] close(19 [pid 5081] fstat(4, [pid 5079] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6192] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6192] <... futex resumed>) = 1 [pid 6189] <... futex resumed>) = 0 [pid 6185] close(5 [pid 6180] close(20 [pid 5081] getdents64(4, [pid 5079] lstat("./48/binderfs", [pid 6192] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] <... futex resumed>) = 0 [pid 6185] close(6 [pid 6180] close(21 [pid 5081] getdents64(4, [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6192] mkdir("./file1", 000 [pid 6189] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] unlink("./48/binderfs" [pid 6192] <... mkdir resumed>) = 0 [pid 6185] close(7 [pid 6180] close(22 [pid 5081] close(4 [pid 6192] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6192] <... futex resumed>) = 1 [pid 6189] <... futex resumed>) = 0 [pid 6185] close(8 [pid 6180] close(23 [pid 5081] rmdir("./48/file0" [pid 5079] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6192] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... rmdir resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] <... futex resumed>) = 0 [pid 6185] close(9 [pid 6180] close(24 [pid 5081] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./48/cgroup", [pid 6192] mkdir("./bus", 000 [pid 6189] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6192] <... mkdir resumed>) = 0 [pid 6185] close(10 [pid 6180] close(25 [pid 5081] lstat("./48/cgroup.cpu", [pid 5079] unlink("./48/cgroup" [pid 6192] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6192] <... futex resumed>) = 1 [pid 6189] <... futex resumed>) = 0 [pid 6185] close(11 [pid 6180] close(26 [pid 5081] unlink("./48/cgroup.cpu" [pid 5079] <... unlink resumed>) = 0 [pid 6192] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... unlink resumed>) = 0 [pid 5079] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] <... futex resumed>) = 0 [pid 6185] close(12 [pid 6180] close(27 [pid 5081] getdents64(3, [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6192] mkdir("./file0", 000 [pid 6189] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] lstat("./48/cgroup.net", [pid 6192] <... mkdir resumed>) = 0 [pid 6185] close(13 [pid 6180] close(28 [pid 5081] close(3 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6192] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 5079] unlink("./48/cgroup.net" [pid 6192] <... futex resumed>) = 1 [pid 6189] <... futex resumed>) = 0 [pid 6185] close(14 [pid 6180] close(29 [pid 5081] rmdir("./48" [pid 6192] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... rmdir resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] <... futex resumed>) = 0 [pid 6185] close(15 [pid 6180] exit_group(0 [ 142.750076][ T6192] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 142.762760][ T6191] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5081] mkdir("./49", 0777 [pid 5079] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6192] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6191] <... mount resumed>) = 0 [pid 6189] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] <... futex resumed>) = ? [pid 6180] <... exit_group resumed>) = ? [pid 5081] <... mkdir resumed>) = 0 [pid 6185] close(16 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... openat resumed>) = 3 [pid 6185] close(17 [pid 5081] ioctl(3, LOOP_CLR_FD [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6185] close(18 [pid 5081] close(3 [pid 6191] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 6191] <... futex resumed>) = 0 [pid 6185] close(19 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6200 attached [pid 6191] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] +++ exited with 0 +++ [pid 6180] +++ exited with 0 +++ [pid 6200] set_robust_list(0x5555565af5e0, 24 [pid 6185] close(20 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 143 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 6200] <... set_robust_list resumed>) = 0 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 6200] chdir("./49" [pid 6185] close(21 [pid 5080] <... restart_syscall resumed>) = 0 [pid 6200] <... chdir resumed>) = 0 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6185] close(22 [pid 6200] <... prctl resumed>) = 0 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] setpgid(0, 0 [pid 6185] close(23 [pid 5080] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6200] <... setpgid resumed>) = 0 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6185] close(24 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6200] <... symlink resumed>) = 0 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6185] close(25 [pid 5080] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6200] <... symlink resumed>) = 0 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6185] close(26 [pid 6200] <... symlink resumed>) = 0 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6185] close(27 [pid 5080] <... openat resumed>) = 3 [pid 6200] <... openat resumed>) = 3 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] fstat(3, [pid 6200] write(3, "1000", 4 [pid 6185] close(28 [pid 6200] <... write resumed>) = 4 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(3 [pid 6189] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6185] close(29 [pid 6200] <... close resumed>) = 0 [pid 6189] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6200] read(200, [pid 6185] exit_group(0 [pid 6200] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6198] <... futex resumed>) = ? [pid 6187] <... futex resumed>) = ? [pid 6185] <... exit_group resumed>) = ? [pid 6200] symlink("/dev/binderfs", "./binderfs" [pid 6198] +++ exited with 0 +++ [pid 6189] <... futex resumed>) = 0 [pid 6187] +++ exited with 0 +++ [pid 6185] +++ exited with 0 +++ [pid 5080] getdents64(3, [pid 6200] <... symlink resumed>) = 0 [pid 6200] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=137, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6200] <... futex resumed>) = 0 [pid 5082] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6189] <... mmap resumed>) = 0x7f87c04cf000 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6200] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6189] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5082] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6200] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6201 attached [pid 5082] <... openat resumed>) = 3 [pid 5080] lstat("./48/binderfs", [pid 6189] <... mprotect resumed>) = 0 [pid 6201] set_robust_list(0x7f87c85109e0, 24 [pid 6200] <... clone resumed>, parent_tid=[144], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 144 [pid 5082] fstat(3, [pid 6201] <... set_robust_list resumed>) = 0 [pid 6200] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6201] memfd_create("syzkaller", 0 [pid 6200] <... futex resumed>) = 0 [pid 6201] <... memfd_create resumed>) = 3 [ 142.820557][ T6192] overlayfs: upper fs needs to support d_type. [ 142.844395][ T6192] overlayfs: upper fs does not support tmpfile. [pid 6200] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] getdents64(3, [pid 5080] unlink("./48/binderfs" [pid 6201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5080] <... unlink resumed>) = 0 [pid 5082] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./48/binderfs", [pid 5080] lstat("./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] unlink("./48/cgroup" [pid 5082] unlink("./48/binderfs" [pid 5080] <... unlink resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5080] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] lstat("./48/cgroup.net", [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] lstat("./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] unlink("./48/cgroup.net" [pid 5082] unlink("./48/cgroup" [pid 5080] <... unlink resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5080] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./48/cgroup.net") = 0 [ 142.882601][ T6192] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5082] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6199 attached [pid 6199] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 6199] mkdir(".", 0777./strace-static-x86_64: Process 6202 attached ) = -1 EEXIST (File exists) [pid 6189] <... clone resumed>, parent_tid=[130], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 130 [pid 6199] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6202] set_robust_list(0x7f87c04ef9e0, 24 [pid 6189] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... set_robust_list resumed>) = 0 [pid 6202] mkdir(".", 0777 [pid 6189] <... futex resumed>) = 0 [pid 6202] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6189] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6202] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 142.982283][ T6199] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6201] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5079] <... umount2 resumed>) = 0 [pid 5079] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./48/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, [pid 6202] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6192] <... mount resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6202] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... futex resumed>) = 1 [pid 6192] <... futex resumed>) = 0 [pid 6189] <... futex resumed>) = 0 [pid 5079] getdents64(4, [pid 6202] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6192] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6189] <... futex resumed>) = 0 [pid 6192] unlink(NULL [pid 6189] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6192] <... unlink resumed>) = -1 EFAULT (Bad address) [ 143.019261][ T6202] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6192] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6189] <... futex resumed>) = 0 [pid 6192] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] close(3 [pid 5079] getdents64(4, [pid 6189] <... close resumed>) = 0 [pid 6189] close(4) = -1 EBADF (Bad file descriptor) [pid 6189] close(5) = -1 EBADF (Bad file descriptor) [pid 6189] close(6) = -1 EBADF (Bad file descriptor) [pid 6189] close(7) = -1 EBADF (Bad file descriptor) [pid 6189] close(8) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6189] close(9 [pid 5079] close(4 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(10 [pid 5079] <... close resumed>) = 0 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(11 [pid 5079] rmdir("./48/file0" [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(12) = -1 EBADF (Bad file descriptor) [pid 6189] close(13) = -1 EBADF (Bad file descriptor) [pid 6189] close(14 [pid 5079] <... rmdir resumed>) = 0 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6189] close(15 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./48/cgroup.cpu", [pid 6189] close(16) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6189] close(17 [pid 6199] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = 0 [pid 5080] <... umount2 resumed>) = 0 [pid 5079] unlink("./48/cgroup.cpu" [pid 6189] close(18) = -1 EBADF (Bad file descriptor) [pid 6189] close(19) = -1 EBADF (Bad file descriptor) [pid 6189] close(20) = -1 EBADF (Bad file descriptor) [pid 6189] close(21) = -1 EBADF (Bad file descriptor) [pid 6189] close(22) = -1 EBADF (Bad file descriptor) [pid 6189] close(23 [pid 5080] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(24 [pid 5079] <... unlink resumed>) = 0 [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(25) = -1 EBADF (Bad file descriptor) [pid 6189] close(26) = -1 EBADF (Bad file descriptor) [pid 6189] close(27 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 6189] close(28 [pid 5082] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] close(29 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6189] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./48/file0", [pid 6189] exit_group(0 [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6202] <... futex resumed>) = ? [pid 6192] <... futex resumed>) = ? [pid 6189] <... exit_group resumed>) = ? [pid 5082] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6202] +++ exited with 0 +++ [pid 6192] +++ exited with 0 +++ [pid 6189] +++ exited with 0 +++ [pid 5080] lstat("./48/file0", [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] close(3 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=128, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5082] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... openat resumed>) = 4 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... close resumed>) = 0 [pid 5082] fstat(4, [pid 5080] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] rmdir("./48" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] getdents64(4, [pid 5080] <... openat resumed>) = 4 [pid 5078] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6199] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] fstat(4, [pid 5079] <... rmdir resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5082] getdents64(4, [pid 5078] fstat(3, [pid 6199] <... futex resumed>) = 1 [pid 6188] <... futex resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] mkdir("./49", 0777 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6199] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] close(4 [pid 5080] getdents64(4, [pid 5078] getdents64(3, [pid 6191] <... futex resumed>) = 0 [pid 6188] <... futex resumed>) = 1 [pid 5082] <... close resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] <... mkdir resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6191] unlink(NULL [pid 6188] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] rmdir("./48/file0" [pid 5080] getdents64(4, [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5078] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6191] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5082] <... rmdir resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6191] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] close(4 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5078] lstat("./47/binderfs", [pid 6191] <... futex resumed>) = 1 [pid 6188] <... futex resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... close resumed>) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6191] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] close(3 [pid 5082] lstat("./48/cgroup.cpu", [pid 5080] rmdir("./48/file0" [pid 5079] close(3 [pid 5080] <... rmdir resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5080] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6203 attached [pid 6188] <... close resumed>) = 0 [pid 5080] lstat("./48/cgroup.cpu", [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 135 [pid 5078] unlink("./47/binderfs" [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./48/cgroup.cpu") = 0 [pid 5080] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] close(3) = 0 [pid 5080] rmdir("./48") = 0 [pid 5080] mkdir("./49", 0777) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5080] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5080] close(3) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6204 attached [pid 6203] set_robust_list(0x5555565af5e0, 24 [pid 6188] close(4 [pid 5082] unlink("./48/cgroup.cpu" [pid 5078] <... unlink resumed>) = 0 [pid 6204] set_robust_list(0x5555565af5e0, 24 [pid 6203] <... set_robust_list resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 132 [pid 6204] <... set_robust_list resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5078] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6204] chdir("./49" [pid 6203] chdir("./49" [pid 6188] close(5 [pid 5082] getdents64(3, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6204] <... chdir resumed>) = 0 [pid 6203] <... chdir resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] lstat("./47/cgroup", [pid 6204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6188] close(6 [pid 5082] close(3 [pid 6204] <... prctl resumed>) = 0 [pid 6203] <... prctl resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6204] setpgid(0, 0 [pid 6203] setpgid(0, 0 [pid 6188] close(7 [pid 5082] <... close resumed>) = 0 [pid 5078] unlink("./47/cgroup" [pid 6204] <... setpgid resumed>) = 0 [pid 6203] <... setpgid resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] rmdir("./48" [pid 6204] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5078] <... unlink resumed>) = 0 [pid 6204] <... symlink resumed>) = 0 [pid 6203] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6204] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6188] close(8 [pid 5082] <... rmdir resumed>) = 0 [pid 5078] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6204] <... symlink resumed>) = 0 [pid 6203] <... symlink resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] mkdir("./49", 0777 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6204] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6203] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6188] close(9 [pid 6204] <... symlink resumed>) = 0 [pid 5082] <... mkdir resumed>) = 0 [pid 5078] lstat("./47/cgroup.net", [pid 6204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6203] <... symlink resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6204] <... openat resumed>) = 3 [pid 6203] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6188] close(10 [pid 5082] <... openat resumed>) = 3 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6204] write(3, "1000", 4 [pid 6203] <... symlink resumed>) = 0 [pid 6204] <... write resumed>) = 4 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5078] unlink("./47/cgroup.net" [pid 6204] close(3 [pid 6203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6188] close(11 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6204] <... close resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6204] read(200, [pid 6203] <... openat resumed>) = 3 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(3 [pid 5078] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6204] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6203] write(3, "1000", 4 [pid 6188] close(12 [pid 5082] <... close resumed>) = 0 [pid 6204] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6204] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6188] close(13 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6204] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6205 attached [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] set_robust_list(0x7f87c85109e0, 24 [pid 6204] <... clone resumed>, parent_tid=[133], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 133 ./strace-static-x86_64: Process 6206 attached [pid 6205] <... set_robust_list resumed>) = 0 [pid 6204] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] close(14 [pid 6206] set_robust_list(0x5555565af5e0, 24 [pid 6205] memfd_create("syzkaller", 0 [pid 6204] <... futex resumed>) = 0 [pid 6206] <... set_robust_list resumed>) = 0 [pid 6205] <... memfd_create resumed>) = 3 [pid 6204] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6206] chdir("./49" [pid 6205] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6203] <... write resumed>) = 4 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 140 [pid 6206] <... chdir resumed>) = 0 [pid 6205] <... mmap resumed>) = 0x7f87c00f0000 [pid 6203] close(3 [pid 6188] close(15 [pid 6206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6203] <... close resumed>) = 0 [pid 6201] <... write resumed>) = 4194304 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... prctl resumed>) = 0 [pid 6203] read(200, [pid 6188] close(16 [pid 6206] setpgid(0, 0 [pid 6203] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... setpgid resumed>) = 0 [pid 6203] symlink("/dev/binderfs", "./binderfs" [pid 6188] close(17 [pid 6206] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 6203] <... symlink resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6203] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] close(18 [pid 6206] <... symlink resumed>) = 0 [pid 6203] <... futex resumed>) = 0 [pid 6201] munmap(0x7f87c00f0000, 4194304 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6188] close(19 [pid 6206] <... symlink resumed>) = 0 [pid 6201] <... munmap resumed>) = 0 [pid 6206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6206] write(3, "1000", 4) = 4 [pid 6206] close(3) = 0 [pid 6203] <... mmap resumed>) = 0x7f87c84f0000 [pid 6206] read(200, [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6201] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6206] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6203] <... mprotect resumed>) = 0 [pid 6188] close(20 [pid 6206] symlink("/dev/binderfs", "./binderfs" [pid 6201] <... openat resumed>) = 4 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... symlink resumed>) = 0 [pid 6203] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6201] ioctl(4, LOOP_SET_FD, 3 [pid 6188] close(21./strace-static-x86_64: Process 6207 attached [pid 6206] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6206] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6206] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6208 attached [pid 6208] set_robust_list(0x7f87c85109e0, 24 [pid 6206] <... clone resumed>, parent_tid=[141], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 141 [pid 6208] <... set_robust_list resumed>) = 0 [pid 6206] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] memfd_create("syzkaller", 0 [pid 6206] <... futex resumed>) = 0 [pid 6208] <... memfd_create resumed>) = 3 [pid 6206] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6207] set_robust_list(0x7f87c85109e0, 24 [pid 6203] <... clone resumed>, parent_tid=[136], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 136 [pid 6201] <... ioctl resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] <... set_robust_list resumed>) = 0 [pid 6203] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] close(22 [pid 6207] memfd_create("syzkaller", 0 [pid 6203] <... futex resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] <... memfd_create resumed>) = 3 [pid 6203] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6201] close(3 [pid 6188] close(23 [pid 6207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6201] <... close resumed>) = 0 [pid 6188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] <... mmap resumed>) = 0x7f87c00f0000 [pid 6201] mkdir("./file0", 0777 [pid 6188] close(24) = -1 EBADF (Bad file descriptor) [pid 6201] <... mkdir resumed>) = 0 [pid 6201] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6188] close(25) = -1 EBADF (Bad file descriptor) [pid 6205] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6188] close(26) = -1 EBADF (Bad file descriptor) [pid 6188] close(27) = -1 EBADF (Bad file descriptor) [pid 6188] close(28) = -1 EBADF (Bad file descriptor) [ 143.223507][ T6201] loop3: detected capacity change from 0 to 8192 [pid 6188] close(29) = -1 EBADF (Bad file descriptor) [pid 6188] exit_group(0 [pid 6199] <... futex resumed>) = ? [pid 6191] <... futex resumed>) = ? [pid 6188] <... exit_group resumed>) = ? [pid 6199] +++ exited with 0 +++ [pid 6191] +++ exited with 0 +++ [pid 6188] +++ exited with 0 +++ [pid 5078] <... umount2 resumed>) = 0 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=133, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5078] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] restart_syscall(<... resuming interrupted clone ...> [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... restart_syscall resumed>) = 0 [pid 5078] lstat("./47/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5083] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] <... openat resumed>) = 4 [pid 5083] fstat(3, [pid 5078] fstat(4, [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(3, [pid 5078] getdents64(4, [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5083] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] getdents64(4, [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] lstat("./47/binderfs", [pid 5078] close(4 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] <... close resumed>) = 0 [pid 5083] unlink("./47/binderfs" [pid 5078] rmdir("./47/file0" [pid 5083] <... unlink resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5083] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./47/cgroup", [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] lstat("./47/cgroup.cpu", [pid 5083] unlink("./47/cgroup" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5078] unlink("./47/cgroup.cpu" [pid 6208] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6207] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5083] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] <... unlink resumed>) = 0 [pid 5083] lstat("./47/cgroup.net", [pid 5078] getdents64(3, [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./47/cgroup.net" [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5078] close(3 [ 143.310797][ T6201] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5083] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 [pid 5078] rmdir("./47") = 0 [pid 5078] mkdir("./48", 0777) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5078] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5078] close(3) = 0 [ 143.352843][ T6201] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 143.387396][ T6201] REISERFS (device loop3): using ordered data mode [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6210 attached [pid 6210] set_robust_list(0x5555565af5e0, 24) = 0 [pid 6210] chdir("./48") = 0 [pid 6210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6210] setpgid(0, 0) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 131 [pid 6210] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6210] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6210] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6210] write(3, "1000", 4) = 4 [pid 6210] close(3) = 0 [pid 6210] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6210] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6210] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6210] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6210] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[132], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 132 [ 143.397422][ T6201] reiserfs: using flush barriers [pid 6210] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6211 attached [pid 6210] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6211] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 6211] memfd_create("syzkaller", 0) = 3 [pid 6211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6208] <... write resumed>) = 4194304 [pid 6208] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6208] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 143.451171][ T6201] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6208] ioctl(4, LOOP_SET_FD, 3 [pid 5083] <... umount2 resumed>) = 0 [pid 5083] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./47/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5083] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5083] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] close(4) = 0 [pid 5083] rmdir("./47/file0") = 0 [pid 5083] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6208] <... ioctl resumed>) = 0 [pid 5083] lstat("./47/cgroup.cpu", [pid 6208] close(3 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6208] <... close resumed>) = 0 [pid 5083] unlink("./47/cgroup.cpu" [pid 6208] mkdir("./file0", 0777 [pid 5083] <... unlink resumed>) = 0 [pid 6208] <... mkdir resumed>) = 0 [pid 6205] <... write resumed>) = 4194304 [pid 5083] getdents64(3, [pid 6208] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6205] munmap(0x7f87c00f0000, 4194304 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6205] <... munmap resumed>) = 0 [pid 5083] close(3 [pid 6205] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5083] <... close resumed>) = 0 [pid 6205] <... openat resumed>) = 4 [pid 5083] rmdir("./47" [pid 6205] ioctl(4, LOOP_SET_FD, 3 [pid 5083] <... rmdir resumed>) = 0 [ 143.514198][ T6208] loop5: detected capacity change from 0 to 8192 [pid 5083] mkdir("./48", 0777) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5083] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5083] close(3) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565af5d0) = 136 ./strace-static-x86_64: Process 6213 attached [pid 6213] set_robust_list(0x5555565af5e0, 24) = 0 [pid 6213] chdir("./48") = 0 [pid 6213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6213] setpgid(0, 0) = 0 [pid 6213] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6213] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6213] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [ 143.562876][ T6205] loop4: detected capacity change from 0 to 8192 [ 143.577961][ T6208] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 143.579906][ T6201] REISERFS (device loop3): checking transaction log (loop3) [pid 6213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6211] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6207] <... write resumed>) = 4194304 [pid 6205] <... ioctl resumed>) = 0 [pid 6213] write(3, "1000", 4) = 4 [pid 6213] close(3) = 0 [pid 6213] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6213] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6213] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6213] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6213] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6214 attached [pid 6214] set_robust_list(0x7f87c85109e0, 24 [pid 6213] <... clone resumed>, parent_tid=[137], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 137 [pid 6214] <... set_robust_list resumed>) = 0 [pid 6213] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] memfd_create("syzkaller", 0 [pid 6213] <... futex resumed>) = 0 [pid 6214] <... memfd_create resumed>) = 3 [pid 6213] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6214] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6207] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6207] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6207] ioctl(4, LOOP_SET_FD, 3 [pid 6205] close(3) = 0 [pid 6205] mkdir("./file0", 0777) = 0 [ 143.605298][ T6201] REISERFS (device loop3): Using r5 hash to sort names [ 143.609066][ T6208] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 143.632231][ T6207] loop1: detected capacity change from 0 to 8192 [pid 6205] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6211] <... write resumed>) = 4194304 [pid 6207] <... ioctl resumed>) = 0 [pid 6207] close(3) = 0 [pid 6207] mkdir("./file0", 0777) = 0 [pid 6207] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 143.663449][ T6208] REISERFS (device loop5): using ordered data mode [ 143.669373][ T6201] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 143.688019][ T6201] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 6211] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6201] <... mount resumed>) = 0 [pid 6211] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6201] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 143.690809][ T6205] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 143.701779][ T6208] reiserfs: using flush barriers [ 143.722332][ T6208] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 143.725137][ T6211] loop0: detected capacity change from 0 to 8192 [ 143.744711][ T6208] REISERFS (device loop5): checking transaction log (loop5) [pid 6211] ioctl(4, LOOP_SET_FD, 3 [pid 6201] <... openat resumed>) = 3 [pid 6201] chdir("./file0") = 0 [pid 6201] ioctl(4, LOOP_CLR_FD) = 0 [ 143.758548][ T6205] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 143.760148][ T6207] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 143.769103][ T6208] REISERFS (device loop5): Using r5 hash to sort names [ 143.793471][ T6205] REISERFS (device loop4): using ordered data mode [pid 6201] close(4) = 0 [pid 6201] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6200] <... futex resumed>) = 0 [pid 6201] mkdir("./file1", 000 [pid 6200] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... mkdir resumed>) = 0 [pid 6200] <... futex resumed>) = 0 [pid 6201] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6201] <... futex resumed>) = 0 [pid 6200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] mkdir("./bus", 000 [pid 6200] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... mkdir resumed>) = 0 [pid 6200] <... futex resumed>) = 0 [pid 6201] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6201] <... futex resumed>) = 0 [pid 6200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] mkdir("./file0", 000 [pid 6200] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... mkdir resumed>) = 0 [pid 6200] <... futex resumed>) = 0 [pid 6201] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6201] <... futex resumed>) = 0 [pid 6200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6200] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] <... ioctl resumed>) = 0 [pid 6208] <... mount resumed>) = 0 [pid 6200] <... futex resumed>) = 0 [pid 6208] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6200] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] <... openat resumed>) = 3 [pid 6208] chdir("./file0") = 0 [pid 6208] ioctl(4, LOOP_CLR_FD) = 0 [pid 6208] close(4) = 0 [pid 6208] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6206] <... futex resumed>) = 0 [pid 6208] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6206] <... futex resumed>) = 0 [pid 6208] mkdir("./file1", 000 [pid 6206] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] <... mkdir resumed>) = 0 [pid 6208] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6206] <... futex resumed>) = 0 [pid 6208] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6206] <... futex resumed>) = 0 [pid 6208] mkdir("./bus", 000 [pid 6206] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] <... mkdir resumed>) = 0 [pid 6208] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6206] <... futex resumed>) = 0 [pid 6208] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6206] <... futex resumed>) = 0 [pid 6208] mkdir("./file0", 000 [pid 6206] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] <... mkdir resumed>) = 0 [ 143.803464][ T6208] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 143.819348][ T6208] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 143.832660][ T6207] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 143.836089][ T6201] overlayfs: upper fs needs to support d_type. [ 143.843512][ T6207] REISERFS (device loop1): using ordered data mode [ 143.858770][ T6207] reiserfs: using flush barriers [pid 6208] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6206] <... futex resumed>) = 0 [pid 6208] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] close(3 [pid 6208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 143.866396][ T6205] reiserfs: using flush barriers [ 143.873960][ T6201] overlayfs: upper fs does not support tmpfile. [ 143.881967][ T6201] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 143.895697][ T6207] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6206] <... futex resumed>) = 0 [pid 6201] <... mount resumed>) = 0 [pid 6208] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6206] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6211] <... close resumed>) = 0 [pid 6201] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] mkdir("./file0", 0777 [pid 6201] <... futex resumed>) = 0 [pid 6200] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6211] <... mkdir resumed>) = 0 [pid 6201] mkdir(".", 0777 [pid 6200] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6201] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6200] <... futex resumed>) = 0 [pid 6200] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 143.914386][ T6207] REISERFS (device loop1): checking transaction log (loop1) [ 143.917266][ T6208] overlayfs: upper fs needs to support d_type. [ 143.925224][ T6205] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 143.954467][ T6205] REISERFS (device loop4): checking transaction log (loop4) [ 143.967344][ T6208] overlayfs: upper fs does not support tmpfile. [ 143.967812][ T6211] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 143.975331][ T6208] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 144.001637][ T6207] REISERFS (device loop1): Using r5 hash to sort names [ 144.001653][ T6205] REISERFS (device loop4): Using r5 hash to sort names [ 144.002043][ T6205] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 144.019558][ T6207] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 144.047464][ T6211] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 144.058879][ T6211] REISERFS (device loop0): using ordered data mode [pid 6201] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6214] <... write resumed>) = 4194304 [pid 6201] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6201] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6201] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6214] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6214] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6214] ioctl(4, LOOP_SET_FD, 3 [pid 6200] <... futex resumed>) = 0 [pid 6214] <... ioctl resumed>) = 0 [pid 6200] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... futex resumed>) = 0 [pid 6200] <... futex resumed>) = 1 [pid 6201] unlink(NULL [pid 6200] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6201] <... unlink resumed>) = -1 EFAULT (Bad address) [ 144.059736][ T6201] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 144.066018][ T6211] reiserfs: using flush barriers [ 144.088578][ T6211] 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 [ 144.105660][ T6214] loop2: detected capacity change from 0 to 8192 [pid 6201] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6200] <... futex resumed>) = 0 [pid 6201] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] close(3) = 0 [pid 6200] close(4) = -1 EBADF (Bad file descriptor) [pid 6200] close(5) = -1 EBADF (Bad file descriptor) [pid 6200] close(6) = -1 EBADF (Bad file descriptor) [pid 6200] close(7) = -1 EBADF (Bad file descriptor) [pid 6200] close(8) = -1 EBADF (Bad file descriptor) [pid 6200] close(9) = -1 EBADF (Bad file descriptor) [pid 6200] close(10) = -1 EBADF (Bad file descriptor) [pid 6200] close(11) = -1 EBADF (Bad file descriptor) [pid 6200] close(12) = -1 EBADF (Bad file descriptor) [pid 6200] close(13) = -1 EBADF (Bad file descriptor) [pid 6200] close(14) = -1 EBADF (Bad file descriptor) [pid 6200] close(15) = -1 EBADF (Bad file descriptor) [pid 6200] close(16) = -1 EBADF (Bad file descriptor) [pid 6200] close(17) = -1 EBADF (Bad file descriptor) [pid 6200] close(18) = -1 EBADF (Bad file descriptor) [pid 6200] close(19) = -1 EBADF (Bad file descriptor) [pid 6214] close(3 [pid 6200] close(20 [pid 6214] <... close resumed>) = 0 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] mkdir("./file0", 0777 [pid 6200] close(21 [pid 6214] <... mkdir resumed>) = 0 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(22) = -1 EBADF (Bad file descriptor) [pid 6200] close(23) = -1 EBADF (Bad file descriptor) [pid 6200] close(24) = -1 EBADF (Bad file descriptor) [pid 6200] close(25 [pid 6214] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6206] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] close(26 [pid 6206] <... futex resumed>) = 0 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... mount resumed>) = 0 [pid 6207] <... mount resumed>) = 0 [pid 6206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6205] <... mount resumed>) = 0 [pid 6200] close(27 [pid 6208] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6205] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6208] <... futex resumed>) = 0 [pid 6207] <... openat resumed>) = 3 [pid 6205] <... openat resumed>) = 3 [pid 6208] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6207] chdir("./file0" [pid 6205] chdir("./file0" [pid 6207] <... chdir resumed>) = 0 [pid 6205] <... chdir resumed>) = 0 [pid 6207] ioctl(4, LOOP_CLR_FD [pid 6206] <... mmap resumed>) = 0x7f87c04cf000 [pid 6205] ioctl(4, LOOP_CLR_FD [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] <... ioctl resumed>) = 0 [pid 6206] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6205] <... ioctl resumed>) = 0 [ 144.108117][ T6207] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 144.129131][ T6211] REISERFS (device loop0): checking transaction log (loop0) [ 144.144524][ T6205] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 144.145255][ T6211] REISERFS (device loop0): Using r5 hash to sort names [pid 6200] close(28 [pid 6207] close(4 [pid 6206] <... mprotect resumed>) = 0 [pid 6205] close(4 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] <... close resumed>) = 0 [pid 6205] <... close resumed>) = 0 [pid 6207] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... futex resumed>) = 1 [pid 6205] <... futex resumed>) = 1 [pid 6204] <... futex resumed>) = 0 [pid 6207] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6205] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] <... futex resumed>) = 0 [pid 6205] mkdir("./file1", 000 [pid 6204] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] <... mkdir resumed>) = 0 [pid 6205] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6204] <... futex resumed>) = 0 [pid 6205] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] <... futex resumed>) = 0 [pid 6205] mkdir("./bus", 000 [pid 6204] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] <... mkdir resumed>) = 0 [pid 6205] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6204] <... futex resumed>) = 0 [pid 6205] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] <... futex resumed>) = 0 [pid 6205] mkdir("./file0", 000 [pid 6204] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] <... mkdir resumed>) = 0 [pid 6205] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6204] <... futex resumed>) = 0 [pid 6203] <... futex resumed>) = 0 [pid 6200] close(29 [pid 6206] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6205] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6219 attached [pid 6207] <... futex resumed>) = 0 [pid 6205] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6204] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] <... futex resumed>) = 1 [pid 6200] exit_group(0 [pid 6219] set_robust_list(0x7f87c04ef9e0, 24 [pid 6207] mkdir("./file1", 000 [pid 6206] <... clone resumed>, parent_tid=[142], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 142 [pid 6203] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6201] <... futex resumed>) = ? [pid 6200] <... exit_group resumed>) = ? [pid 6219] <... set_robust_list resumed>) = 0 [pid 6207] <... mkdir resumed>) = 0 [pid 6219] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6207] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6207] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... futex resumed>) = 0 [pid 6201] +++ exited with 0 +++ [pid 6200] +++ exited with 0 +++ [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=143, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- [pid 5081] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5081] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] unlink("./49/binderfs") = 0 [pid 5081] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./49/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] unlink("./49/cgroup") = 0 [pid 5081] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./49/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./49/cgroup.net") = 0 [pid 5081] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6219] <... futex resumed>) = 0 [pid 6206] <... futex resumed>) = 1 [pid 6203] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] <... mount resumed>) = 0 [pid 6211] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6211] chdir("./file0") = 0 [pid 6211] ioctl(4, LOOP_CLR_FD) = 0 [pid 6211] close(4) = 0 [pid 6211] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... futex resumed>) = 0 [pid 6210] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6204] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6204] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6207] <... futex resumed>) = 0 [pid 6206] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6203] <... futex resumed>) = 1 [pid 6219] mkdir(".", 0777 [pid 6203] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6219] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6219] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6207] mkdir("./bus", 000 [pid 6204] <... mmap resumed>) = 0x7f87c04cf000 [pid 6207] <... mkdir resumed>) = 0 [pid 6204] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6207] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... mprotect resumed>) = 0 [pid 6207] <... futex resumed>) = 1 [pid 6204] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6203] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6220 attached [pid 6207] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6203] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] set_robust_list(0x7f87c04ef9e0, 24 [pid 6207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] <... clone resumed>, parent_tid=[134], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 134 [pid 6203] <... futex resumed>) = 0 [pid 6220] <... set_robust_list resumed>) = 0 [pid 6207] mkdir("./file0", 000 [pid 6204] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] mkdir(".", 0777 [pid 6207] <... mkdir resumed>) = 0 [pid 6204] <... futex resumed>) = 0 [pid 6220] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6207] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6220] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6207] <... futex resumed>) = 1 [pid 6203] <... futex resumed>) = 0 [ 144.185845][ T6211] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 144.197088][ T6214] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 144.214280][ T6211] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 144.216771][ T6205] overlayfs: upper fs needs to support d_type. [pid 6207] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6203] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6203] <... futex resumed>) = 0 [pid 6207] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 144.247292][ T6219] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 144.266324][ T6214] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 144.276228][ T6214] REISERFS (device loop2): using ordered data mode [ 144.285455][ T6214] reiserfs: using flush barriers [pid 6203] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6219] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6219] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... futex resumed>) = 0 [pid 6206] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6206] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6208] <... futex resumed>) = 0 [pid 6208] unlink(NULL) = -1 EFAULT (Bad address) [pid 6208] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... futex resumed>) = 0 [pid 6206] close(3) = 0 [pid 6206] close(4) = -1 EBADF (Bad file descriptor) [pid 6206] close(5) = -1 EBADF (Bad file descriptor) [pid 6208] <... futex resumed>) = 1 [pid 6206] close(6 [pid 6219] <... futex resumed>) = 1 [pid 6208] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6219] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] close(7) = -1 EBADF (Bad file descriptor) [pid 6206] close(8) = -1 EBADF (Bad file descriptor) [ 144.302515][ T6207] overlayfs: upper fs needs to support d_type. [ 144.315625][ T6205] overlayfs: upper fs does not support tmpfile. [ 144.330374][ T6214] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6206] close(9 [pid 6211] <... futex resumed>) = 1 [pid 6210] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6211] mkdir("./file1", 000 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] <... mkdir resumed>) = 0 [pid 6206] close(10 [pid 6203] <... futex resumed>) = 0 [pid 6211] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6211] <... futex resumed>) = 1 [pid 6210] <... futex resumed>) = 0 [pid 6206] close(11 [pid 6203] <... mmap resumed>) = 0x7f87c04cf000 [pid 6211] mkdir("./bus", 000 [pid 6210] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6211] <... mkdir resumed>) = 0 [pid 6210] <... futex resumed>) = 0 [pid 6206] close(12 [pid 6203] <... mprotect resumed>) = 0 [pid 6211] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6221 attached [pid 6211] <... futex resumed>) = 0 [pid 6210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6206] close(13 [pid 6221] set_robust_list(0x7f87c04ef9e0, 24 [pid 6211] mkdir("./file0", 000 [pid 6210] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... clone resumed>, parent_tid=[137], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 137 [pid 6221] <... set_robust_list resumed>) = 0 [pid 6211] <... mkdir resumed>) = 0 [pid 6210] <... futex resumed>) = 0 [pid 6206] close(14 [pid 6221] mkdir(".", 0777 [pid 6211] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6211] <... futex resumed>) = 0 [pid 6210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6206] close(15 [pid 6203] <... futex resumed>) = 0 [pid 6221] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6211] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6210] <... futex resumed>) = 0 [pid 6206] close(16 [pid 6211] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6210] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] close(17) = -1 EBADF (Bad file descriptor) [ 144.349735][ T6220] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 144.363703][ T6207] overlayfs: upper fs does not support tmpfile. [ 144.390841][ T6211] overlayfs: upper fs needs to support d_type. [pid 6206] close(18) = -1 EBADF (Bad file descriptor) [pid 6206] close(19) = -1 EBADF (Bad file descriptor) [pid 6206] close(20) = -1 EBADF (Bad file descriptor) [pid 6206] close(21) = -1 EBADF (Bad file descriptor) [pid 6206] close(22) = -1 EBADF (Bad file descriptor) [pid 6206] close(23) = -1 EBADF (Bad file descriptor) [pid 6206] close(24) = -1 EBADF (Bad file descriptor) [pid 6206] close(25) = -1 EBADF (Bad file descriptor) [pid 6206] close(26) = -1 EBADF (Bad file descriptor) [pid 6206] close(27) = -1 EBADF (Bad file descriptor) [pid 6206] close(28) = -1 EBADF (Bad file descriptor) [pid 6206] close(29) = -1 EBADF (Bad file descriptor) [pid 6206] exit_group(0 [pid 6219] <... futex resumed>) = ? [pid 6208] <... futex resumed>) = ? [pid 6206] <... exit_group resumed>) = ? [pid 6219] +++ exited with 0 +++ [pid 6208] +++ exited with 0 +++ [pid 6206] +++ exited with 0 +++ [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5082] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5082] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5082] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5082] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] unlink("./49/binderfs") = 0 [pid 5082] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./49/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] unlink("./49/cgroup") = 0 [pid 5082] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./49/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./49/cgroup.net") = 0 [pid 5082] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... umount2 resumed>) = 0 [ 144.401118][ T6221] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 144.417208][ T6211] overlayfs: upper fs does not support tmpfile. [ 144.430485][ T6211] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 144.442084][ T6214] REISERFS (device loop2): checking transaction log (loop2) [pid 6211] <... mount resumed>) = 0 [pid 5081] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./49/file0", [pid 6211] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6211] <... futex resumed>) = 1 [pid 6210] <... futex resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6211] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6220] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6210] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] <... mount resumed>) = 0 [pid 6205] <... mount resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] <... openat resumed>) = 4 [pid 6211] mkdir(".", 0777 [pid 5081] fstat(4, [pid 6211] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6211] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5081] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [ 144.452371][ T6205] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 144.462797][ T6214] REISERFS (device loop2): Using r5 hash to sort names [ 144.478221][ T6207] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 144.479524][ T6214] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6221] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... futex resumed>) = 0 [pid 6205] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] getdents64(4, [pid 6221] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 1 [pid 6210] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6205] <... futex resumed>) = 0 [pid 6204] <... futex resumed>) = 0 [pid 6214] <... mount resumed>) = 0 [pid 6203] <... futex resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6220] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6214] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6207] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] unlink(NULL [pid 6204] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] close(4 [pid 6207] <... futex resumed>) = 0 [pid 6205] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6204] <... futex resumed>) = 0 [pid 6203] <... futex resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 6207] unlink(NULL [pid 6205] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] rmdir("./49/file0" [pid 6214] <... openat resumed>) = 3 [pid 6207] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6205] <... futex resumed>) = 0 [pid 6204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] chdir("./file0" [pid 6207] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] close(3 [pid 5081] <... rmdir resumed>) = 0 [pid 6214] <... chdir resumed>) = 0 [pid 6207] <... futex resumed>) = 1 [pid 6204] <... close resumed>) = 0 [pid 6203] <... futex resumed>) = 0 [pid 5081] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6214] ioctl(4, LOOP_CLR_FD [pid 6207] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] close(4 [pid 6203] close(3 [pid 6214] <... ioctl resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = 0 [pid 6214] close(4 [pid 6204] close(5 [pid 6203] close(4 [pid 6214] <... close resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] close(6 [pid 6203] close(5 [pid 6214] <... futex resumed>) = 1 [pid 6213] <... futex resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6213] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] close(7 [pid 6203] close(6 [pid 6214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6213] <... futex resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] mkdir("./file1", 000 [pid 6213] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] close(8 [pid 6203] close(7 [pid 6214] <... mkdir resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] close(9 [pid 6203] close(8 [pid 6214] <... futex resumed>) = 1 [pid 6213] <... futex resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6213] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] close(10 [pid 6203] close(9 [pid 6214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6213] <... futex resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] mkdir("./bus", 000 [pid 6213] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] close(11 [pid 6203] close(10 [pid 6214] <... mkdir resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6214] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] close(12 [pid 6203] close(11 [pid 5081] lstat("./49/cgroup.cpu", [pid 6214] <... futex resumed>) = 1 [pid 6213] <... futex resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6214] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6213] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] close(13 [pid 6203] close(12 [pid 6214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6213] <... futex resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6214] mkdir("./file0", 000 [pid 6213] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] close(14 [pid 6203] close(13 [pid 6214] <... mkdir resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] unlink("./49/cgroup.cpu" [pid 6214] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] close(15 [pid 6203] close(14 [pid 5081] <... unlink resumed>) = 0 [pid 6214] <... futex resumed>) = 1 [pid 6213] <... futex resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(3, [pid 6214] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [ 144.504360][ T6214] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 144.529560][ T6211] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6213] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] close(16 [pid 6203] close(15 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6213] <... futex resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 6214] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6213] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] close(17 [pid 6203] close(16 [pid 5081] <... close resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] rmdir("./49" [pid 6204] close(18 [pid 6203] close(17 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... rmdir resumed>) = 0 [pid 6204] close(19 [pid 6203] close(18 [pid 5081] mkdir("./50", 0777 [pid 6211] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = 0 [pid 5081] <... mkdir resumed>) = 0 [pid 6211] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6211] <... futex resumed>) = 1 [pid 6210] <... futex resumed>) = 0 [pid 6204] close(20 [pid 6203] close(19 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... openat resumed>) = 3 [pid 6211] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] lstat("./49/file0", [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5082] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] close(3 [pid 6214] <... mount resumed>) = 0 [pid 6210] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... close resumed>) = 0 [pid 6204] close(21 [pid 5082] openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6211] <... futex resumed>) = 0 [pid 6210] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6222 attached [pid 6211] unlink(NULL [pid 6210] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] close(20 [pid 5082] <... openat resumed>) = 4 [pid 6222] set_robust_list(0x5555565af5e0, 24 [pid 6211] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6204] close(22 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] fstat(4, [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 145 [pid 6222] <... set_robust_list resumed>) = 0 [pid 6211] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] close(21 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6222] chdir("./50" [pid 6211] <... futex resumed>) = 1 [pid 6210] <... futex resumed>) = 0 [pid 6204] close(23 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(4, [pid 6222] <... chdir resumed>) = 0 [pid 6211] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6210] close(3 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] close(22 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6214] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6210] <... close resumed>) = 0 [pid 6204] close(24 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(4, [pid 6222] <... prctl resumed>) = 0 [pid 6214] <... futex resumed>) = 1 [pid 6213] <... futex resumed>) = 0 [pid 6210] close(4 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] close(23 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6222] setpgid(0, 0 [pid 6214] mkdir(".", 0777 [pid 6213] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] close(25 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(4 [pid 6222] <... setpgid resumed>) = 0 [pid 6214] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6213] <... futex resumed>) = 0 [pid 6210] close(5 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] close(24 [pid 5082] <... close resumed>) = 0 [pid 5082] rmdir("./49/file0" [pid 6222] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6214] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6213] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] close(26 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... rmdir resumed>) = 0 [pid 6222] <... symlink resumed>) = 0 [pid 6210] close(6 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] close(25 [pid 5082] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6222] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] close(27 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./49/cgroup.cpu", [pid 6222] <... symlink resumed>) = 0 [pid 6210] close(7 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] close(26 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6222] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] close(28 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./49/cgroup.cpu" [pid 6222] <... symlink resumed>) = 0 [pid 6210] close(8 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] close(27 [pid 5082] <... unlink resumed>) = 0 [pid 6222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] close(29 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] <... openat resumed>) = 3 [pid 6210] close(9 [pid 6203] close(28 [pid 5082] close(3 [pid 6222] write(3, "1000", 4 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] exit_group(0 [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 6222] <... write resumed>) = 4 [pid 6220] <... futex resumed>) = ? [pid 6210] close(10 [pid 6205] <... futex resumed>) = ? [pid 6204] <... exit_group resumed>) = ? [pid 6203] close(29 [pid 5082] rmdir("./49" [pid 6220] +++ exited with 0 +++ [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... rmdir resumed>) = 0 [pid 6210] close(11 [pid 5082] mkdir("./50", 0777 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] +++ exited with 0 +++ [pid 6222] close(3 [pid 6204] +++ exited with 0 +++ [pid 6203] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... mkdir resumed>) = 0 [pid 6222] <... close resumed>) = 0 [pid 6210] close(12 [ 144.590240][ T6214] overlayfs: upper fs needs to support d_type. [ 144.603316][ T6214] overlayfs: upper fs does not support tmpfile. [ 144.612159][ T6214] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6203] exit_group(0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6222] read(200, [pid 6221] <... futex resumed>) = ? [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] <... futex resumed>) = ? [pid 6203] <... exit_group resumed>) = ? [pid 5082] <... openat resumed>) = 3 [pid 6210] close(13 [pid 5082] ioctl(3, LOOP_CLR_FD [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6210] close(14 [pid 5082] close(3 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 6210] close(15 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(16 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 143 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6210] close(17) = -1 EBADF (Bad file descriptor) [pid 6210] close(18) = -1 EBADF (Bad file descriptor) [pid 6210] close(19) = -1 EBADF (Bad file descriptor) [pid 6210] close(20 [pid 6222] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6221] +++ exited with 0 +++ [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=30 /* 0.30 s */} --- [pid 6210] close(21) = -1 EBADF (Bad file descriptor) [pid 6207] +++ exited with 0 +++ [pid 6203] +++ exited with 0 +++ ./strace-static-x86_64: Process 6223 attached [pid 6222] symlink("/dev/binderfs", "./binderfs" [pid 6210] close(22 [pid 5080] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6223] set_robust_list(0x5555565af5e0, 24 [pid 6222] <... symlink resumed>) = 0 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=135, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- [pid 6223] <... set_robust_list resumed>) = 0 [pid 6222] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] close(23 [pid 5080] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6223] chdir("./50" [pid 6222] <... futex resumed>) = 0 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... openat resumed>) = 3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6223] <... chdir resumed>) = 0 [pid 6222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6210] close(24 [pid 5080] fstat(3, [pid 5079] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6222] <... mmap resumed>) = 0x7f87c84f0000 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... openat resumed>) = 3 [pid 6223] <... prctl resumed>) = 0 [pid 6222] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6210] close(25 [pid 5079] fstat(3, [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6210] close(26 [pid 5079] getdents64(3, [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6210] close(27 [pid 5079] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] getdents64(3, [pid 6223] setpgid(0, 0 [pid 6222] <... mprotect resumed>) = 0 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6223] <... setpgid resumed>) = 0 [pid 6222] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6214] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6210] close(28 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] lstat("./49/binderfs", ./strace-static-x86_64: Process 6224 attached [pid 6223] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6214] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6224] set_robust_list(0x7f87c85109e0, 24 [pid 6223] <... symlink resumed>) = 0 [pid 6222] <... clone resumed>, parent_tid=[146], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 146 [pid 6214] <... futex resumed>) = 1 [pid 6213] <... futex resumed>) = 0 [pid 6210] close(29 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] unlink("./49/binderfs" [pid 6224] <... set_robust_list resumed>) = 0 [pid 6223] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6222] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] unlink(NULL [pid 6213] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./49/binderfs", [pid 6224] memfd_create("syzkaller", 0 [pid 6223] <... symlink resumed>) = 0 [pid 6222] <... futex resumed>) = 0 [pid 6214] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6213] <... futex resumed>) = 0 [pid 6210] exit_group(0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6224] <... memfd_create resumed>) = 3 [pid 6223] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6222] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6214] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6211] <... futex resumed>) = ? [pid 6210] <... exit_group resumed>) = ? [pid 5080] unlink("./49/binderfs" [pid 5079] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6223] <... symlink resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] <... unlink resumed>) = 0 [pid 6223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6214] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6213] close(3 [pid 5080] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6223] <... openat resumed>) = 3 [pid 6213] <... close resumed>) = 0 [pid 6211] +++ exited with 0 +++ [pid 6210] +++ exited with 0 +++ [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6224] <... mmap resumed>) = 0x7f87c00f0000 [pid 6223] write(3, "1000", 4 [pid 6213] close(4 [pid 5080] lstat("./49/cgroup", [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6223] <... write resumed>) = 4 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6223] close(3 [pid 6213] close(5 [pid 5080] unlink("./49/cgroup" [pid 6223] <... close resumed>) = 0 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... unlink resumed>) = 0 [pid 6223] read(200, [pid 6213] close(6 [pid 5080] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./49/cgroup", [pid 6223] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=131, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 6223] symlink("/dev/binderfs", "./binderfs" [pid 6213] close(7 [pid 5080] lstat("./49/cgroup.net", [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6223] <... symlink resumed>) = 0 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./49/cgroup" [pid 6223] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] close(8 [pid 5080] unlink("./49/cgroup.net" [pid 6223] <... futex resumed>) = 0 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... unlink resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [ 144.655703][ T6214] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5078] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6213] close(9 [pid 5080] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6223] <... mmap resumed>) = 0x7f87c84f0000 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6213] close(10 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6223] <... mprotect resumed>) = 0 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./49/cgroup.net", [pid 5078] <... openat resumed>) = 3 [pid 6223] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6213] close(11./strace-static-x86_64: Process 6225 attached ) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] fstat(3, [pid 6225] set_robust_list(0x7f87c85109e0, 24 [pid 6223] <... clone resumed>, parent_tid=[144], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 144 [pid 6213] close(12 [pid 6225] <... set_robust_list resumed>) = 0 [pid 6223] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] memfd_create("syzkaller", 0 [pid 6223] <... futex resumed>) = 0 [pid 6213] close(13 [pid 6225] <... memfd_create resumed>) = 3 [pid 6223] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6213] close(14 [pid 6225] <... mmap resumed>) = 0x7f87c00f0000 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(15 [pid 5079] unlink("./49/cgroup.net" [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(16) = -1 EBADF (Bad file descriptor) [pid 6213] close(17) = -1 EBADF (Bad file descriptor) [pid 6213] close(18) = -1 EBADF (Bad file descriptor) [pid 6213] close(19) = -1 EBADF (Bad file descriptor) [pid 6213] close(20 [pid 5079] <... unlink resumed>) = 0 [pid 5078] getdents64(3, [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] close(21 [pid 5079] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6213] close(22) = -1 EBADF (Bad file descriptor) [pid 6213] close(23) = -1 EBADF (Bad file descriptor) [pid 6213] close(24) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6213] close(25) = -1 EBADF (Bad file descriptor) [pid 6213] close(26) = -1 EBADF (Bad file descriptor) [pid 6213] close(27) = -1 EBADF (Bad file descriptor) [pid 6213] close(28) = -1 EBADF (Bad file descriptor) [pid 6213] close(29) = -1 EBADF (Bad file descriptor) [pid 6213] exit_group(0 [pid 6214] <... futex resumed>) = ? [pid 6213] <... exit_group resumed>) = ? [pid 6214] +++ exited with 0 +++ [pid 6213] +++ exited with 0 +++ [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} --- [pid 5078] lstat("./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./48/binderfs") = 0 [pid 5078] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] unlink("./48/cgroup" [pid 5083] fstat(3, [pid 5078] <... unlink resumed>) = 0 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] getdents64(3, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] lstat("./48/cgroup.net", [pid 6224] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5083] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./48/cgroup.net") = 0 [pid 5083] lstat("./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] unlink("./48/binderfs") = 0 [pid 5083] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./48/cgroup") = 0 [pid 5083] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./48/cgroup.net") = 0 [pid 5083] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6225] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5080] <... umount2 resumed>) = 0 [pid 5080] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./49/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5080] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] close(4) = 0 [pid 5080] rmdir("./49/file0") = 0 [pid 5080] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./49/cgroup.cpu") = 0 [pid 5080] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] close(3) = 0 [pid 5080] rmdir("./49") = 0 [pid 5080] mkdir("./50", 0777) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5078] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... openat resumed>) = 3 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5080] close(3 [pid 5078] lstat("./48/file0", [pid 5080] <... close resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6226 attached [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 135 [pid 5078] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6226] set_robust_list(0x5555565af5e0, 24 [pid 5078] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6226] <... set_robust_list resumed>) = 0 [pid 5078] fstat(4, [pid 6226] chdir("./50" [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(4, [pid 6226] <... chdir resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5078] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6226] setpgid(0, 0 [pid 5078] close(4 [pid 6226] <... setpgid resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5078] rmdir("./48/file0" [pid 6226] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5078] <... rmdir resumed>) = 0 [pid 6226] <... symlink resumed>) = 0 [pid 5083] <... umount2 resumed>) = 0 [pid 5078] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6226] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] <... symlink resumed>) = 0 [pid 5083] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./48/cgroup.cpu", [pid 6226] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6226] <... symlink resumed>) = 0 [pid 5078] unlink("./48/cgroup.cpu" [pid 6226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... unlink resumed>) = 0 [pid 6226] <... openat resumed>) = 3 [pid 5078] getdents64(3, [pid 5079] <... umount2 resumed>) = 0 [pid 5079] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6226] write(3, "1000", 4 [pid 5083] lstat("./48/file0", [pid 5078] close(3 [pid 5079] lstat("./49/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6226] <... write resumed>) = 4 [pid 5083] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] rmdir("./48" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5079] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(4, [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] close(3 [pid 5083] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] mkdir("./49", 0777 [pid 6226] <... close resumed>) = 0 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] close(4 [pid 6226] read(200, [pid 5079] <... close resumed>) = 0 [pid 5083] <... openat resumed>) = 4 [pid 6226] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] symlink("/dev/binderfs", "./binderfs" [pid 6224] <... write resumed>) = 4194304 [pid 5083] fstat(4, [pid 5079] rmdir("./49/file0" [pid 5078] <... mkdir resumed>) = 0 [pid 6226] <... symlink resumed>) = 0 [pid 6224] munmap(0x7f87c00f0000, 4194304 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6226] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... munmap resumed>) = 0 [pid 5083] getdents64(4, [pid 5079] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... openat resumed>) = 3 [pid 6226] <... futex resumed>) = 0 [pid 6224] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6225] <... write resumed>) = 4194304 [pid 5083] getdents64(4, [pid 5079] lstat("./49/cgroup.cpu", [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6225] munmap(0x7f87c00f0000, 4194304 [pid 6226] <... mmap resumed>) = 0x7f87c84f0000 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6226] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6225] <... munmap resumed>) = 0 [pid 5083] close(4 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] close(3 [pid 6226] <... mprotect resumed>) = 0 [pid 6225] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5083] <... close resumed>) = 0 [pid 6225] <... openat resumed>) = 4 [pid 5078] <... close resumed>) = 0 [pid 6225] ioctl(4, LOOP_SET_FD, 3 [pid 6226] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6224] <... openat resumed>) = 4 [pid 5083] rmdir("./48/file0" [pid 5079] unlink("./49/cgroup.cpu" [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6227 attached [pid 6225] <... ioctl resumed>) = 0 [pid 6227] set_robust_list(0x7f87c85109e0, 24 [pid 6224] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6228 attached [pid 6227] <... set_robust_list resumed>) = 0 [pid 6226] <... clone resumed>, parent_tid=[136], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 136 [pid 6225] close(3 [pid 5083] <... rmdir resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6228] set_robust_list(0x5555565af5e0, 24 [pid 6227] memfd_create("syzkaller", 0 [pid 6226] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] <... close resumed>) = 0 [pid 5083] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] getdents64(3, [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 133 [pid 6228] <... set_robust_list resumed>) = 0 [pid 6227] <... memfd_create resumed>) = 3 [pid 6226] <... futex resumed>) = 0 [pid 6225] mkdir("./file0", 0777 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6228] chdir("./49" [pid 6227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6226] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6225] <... mkdir resumed>) = 0 [pid 5083] lstat("./48/cgroup.cpu", [pid 5079] close(3 [pid 6228] <... chdir resumed>) = 0 [pid 6227] <... mmap resumed>) = 0x7f87c00f0000 [pid 6225] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... close resumed>) = 0 [pid 6228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6224] <... ioctl resumed>) = 0 [pid 5083] unlink("./48/cgroup.cpu" [pid 5079] rmdir("./49" [pid 6224] close(3) = 0 [pid 6224] mkdir("./file0", 0777) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 6228] <... prctl resumed>) = 0 [pid 5083] getdents64(3, [pid 5079] mkdir("./50", 0777 [pid 6228] setpgid(0, 0 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6224] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5079] <... mkdir resumed>) = 0 [pid 5083] close(3 [pid 6228] <... setpgid resumed>) = 0 [pid 5083] <... close resumed>) = 0 [ 145.015687][ T6225] loop5: detected capacity change from 0 to 8192 [ 145.024536][ T6224] loop3: detected capacity change from 0 to 8192 [pid 6228] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5083] rmdir("./48" [pid 6228] <... symlink resumed>) = 0 [pid 6227] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5083] <... rmdir resumed>) = 0 [ 145.054560][ T6225] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 145.055715][ T6224] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 145.084369][ T6225] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 145.084371][ T6224] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6228] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5083] mkdir("./49", 0777 [pid 5079] <... openat resumed>) = 3 [pid 5083] <... mkdir resumed>) = 0 [pid 6228] <... symlink resumed>) = 0 [pid 6228] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6228] <... symlink resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5079] close(3 [pid 6228] <... openat resumed>) = 3 [pid 6228] write(3, "1000", 4 [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] <... close resumed>) = 0 [pid 6228] <... write resumed>) = 4 [pid 5083] close(3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6228] close(3 [pid 5083] <... close resumed>) = 0 ./strace-static-x86_64: Process 6231 attached [pid 6228] <... close resumed>) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6228] read(200, [pid 6231] set_robust_list(0x5555565af5e0, 24) = 0 ./strace-static-x86_64: Process 6232 attached [pid 6231] chdir("./50" [pid 6228] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 138 [pid 6232] set_robust_list(0x5555565af5e0, 24 [pid 6228] symlink("/dev/binderfs", "./binderfs" [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 138 [pid 6232] <... set_robust_list resumed>) = 0 [pid 6231] <... chdir resumed>) = 0 [pid 6232] chdir("./49" [pid 6231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6228] <... symlink resumed>) = 0 [pid 6232] <... chdir resumed>) = 0 [pid 6231] <... prctl resumed>) = 0 [pid 6232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6231] setpgid(0, 0 [pid 6228] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... prctl resumed>) = 0 [pid 6231] <... setpgid resumed>) = 0 [pid 6228] <... futex resumed>) = 0 [pid 6232] setpgid(0, 0 [pid 6231] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6232] <... setpgid resumed>) = 0 [pid 6231] <... symlink resumed>) = 0 [pid 6228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6232] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6231] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6232] <... symlink resumed>) = 0 [pid 6231] <... symlink resumed>) = 0 [pid 6228] <... mmap resumed>) = 0x7f87c84f0000 [pid 6232] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6231] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6232] <... symlink resumed>) = 0 [ 145.084469][ T6224] REISERFS (device loop3): using ordered data mode [ 145.119926][ T6225] REISERFS (device loop5): using ordered data mode [ 145.128870][ T6225] reiserfs: using flush barriers [pid 6231] <... symlink resumed>) = 0 [pid 6228] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6232] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6227] <... write resumed>) = 4194304 [pid 6232] <... symlink resumed>) = 0 [pid 6231] <... openat resumed>) = 3 [pid 6228] <... mprotect resumed>) = 0 [pid 6232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6231] write(3, "1000", 4 [pid 6232] <... openat resumed>) = 3 [pid 6231] <... write resumed>) = 4 [pid 6232] write(3, "1000", 4 [pid 6231] close(3 [pid 6232] <... write resumed>) = 4 [pid 6231] <... close resumed>) = 0 [pid 6232] close(3 [pid 6231] read(200, [pid 6232] <... close resumed>) = 0 [pid 6231] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] read(200, [pid 6231] symlink("/dev/binderfs", "./binderfs" [pid 6232] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6231] <... symlink resumed>) = 0 [pid 6232] symlink("/dev/binderfs", "./binderfs" [pid 6231] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... symlink resumed>) = 0 [pid 6231] <... futex resumed>) = 0 [pid 6232] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6232] <... futex resumed>) = 0 [pid 6231] <... mmap resumed>) = 0x7f87c84f0000 [ 145.171555][ T6224] reiserfs: using flush barriers [ 145.181028][ T6224] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 145.193568][ T6225] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6231] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6232] <... mmap resumed>) = 0x7f87c84f0000 [pid 6231] <... mprotect resumed>) = 0 [pid 6228] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6227] munmap(0x7f87c00f0000, 4194304./strace-static-x86_64: Process 6233 attached [pid 6232] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6231] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6227] <... munmap resumed>) = 0 [pid 6228] <... clone resumed>, parent_tid=[134], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 134 [pid 6227] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6228] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... openat resumed>) = 4 [pid 6228] <... futex resumed>) = 0 [pid 6227] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6234 attached [pid 6233] set_robust_list(0x7f87c85109e0, 24 [pid 6232] <... mprotect resumed>) = 0 [pid 6228] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6227] <... ioctl resumed>) = 0 [pid 6227] close(3) = 0 [pid 6227] mkdir("./file0", 0777) = 0 [pid 6227] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6234] set_robust_list(0x7f87c85109e0, 24 [pid 6233] <... set_robust_list resumed>) = 0 [pid 6232] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6231] <... clone resumed>, parent_tid=[139], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 139 [pid 6231] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6236 attached [pid 6233] memfd_create("syzkaller", 0 [pid 6231] <... futex resumed>) = 0 [ 145.202697][ T6224] REISERFS (device loop3): checking transaction log (loop3) [ 145.230312][ T6224] REISERFS (device loop3): Using r5 hash to sort names [ 145.234155][ T6225] REISERFS (device loop5): checking transaction log (loop5) [ 145.244662][ T6227] loop4: detected capacity change from 0 to 8192 [ 145.249903][ T6225] REISERFS (device loop5): Using r5 hash to sort names [ 145.269006][ T6225] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 145.271548][ T6224] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 145.286225][ T6225] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 6236] set_robust_list(0x7f87c85109e0, 24 [pid 6234] memfd_create("syzkaller", 0 [pid 6233] <... memfd_create resumed>) = 3 [pid 6232] <... clone resumed>, parent_tid=[139], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 139 [pid 6231] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6225] <... mount resumed>) = 0 [pid 6236] <... set_robust_list resumed>) = 0 [pid 6234] <... memfd_create resumed>) = 3 [pid 6233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6232] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] memfd_create("syzkaller", 0 [pid 6234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6233] <... mmap resumed>) = 0x7f87c00f0000 [pid 6232] <... futex resumed>) = 0 [pid 6236] <... memfd_create resumed>) = 3 [pid 6234] <... mmap resumed>) = 0x7f87c00f0000 [pid 6232] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6225] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6225] <... openat resumed>) = 3 [pid 6225] chdir("./file0") = 0 [pid 6225] ioctl(4, LOOP_CLR_FD) = 0 [pid 6225] close(4) = 0 [ 145.300145][ T6227] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6225] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... mount resumed>) = 0 [pid 6225] <... futex resumed>) = 1 [pid 6223] <... futex resumed>) = 0 [pid 6225] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6223] <... futex resumed>) = 0 [pid 6233] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6225] mkdir("./file1", 000 [pid 6224] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6223] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] <... mkdir resumed>) = 0 [pid 6225] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6224] <... openat resumed>) = 3 [pid 6223] <... futex resumed>) = 0 [pid 6225] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6224] chdir("./file0" [pid 6223] <... futex resumed>) = 0 [pid 6225] mkdir("./bus", 000 [pid 6223] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] <... mkdir resumed>) = 0 [pid 6225] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... chdir resumed>) = 0 [pid 6225] <... futex resumed>) = 1 [pid 6224] ioctl(4, LOOP_CLR_FD [pid 6223] <... futex resumed>) = 0 [pid 6225] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] <... ioctl resumed>) = 0 [pid 6223] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6224] close(4 [pid 6223] <... futex resumed>) = 0 [pid 6236] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6225] mkdir("./file0", 000 [pid 6224] <... close resumed>) = 0 [pid 6223] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] <... mkdir resumed>) = 0 [pid 6224] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = 0 [pid 6225] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 1 [pid 6223] <... futex resumed>) = 0 [pid 6222] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] mkdir("./file1", 000 [pid 6223] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [ 145.366995][ T6224] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 145.380103][ T6227] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 145.392627][ T6227] REISERFS (device loop4): using ordered data mode [ 145.400608][ T6227] reiserfs: using flush barriers [pid 6222] <... futex resumed>) = 0 [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6224] <... mkdir resumed>) = 0 [pid 6223] <... futex resumed>) = 0 [pid 6222] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6224] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] <... write resumed>) = 4194304 [ 145.456774][ T6225] overlayfs: upper fs needs to support d_type. [ 145.463923][ T6225] overlayfs: upper fs does not support tmpfile. [ 145.487679][ T6225] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6224] <... futex resumed>) = 0 [pid 6222] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] mkdir("./bus", 000 [pid 6222] <... futex resumed>) = 0 [pid 6222] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6224] <... mkdir resumed>) = 0 [pid 6224] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6222] <... futex resumed>) = 0 [pid 6224] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6222] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6222] <... futex resumed>) = 0 [pid 6224] mkdir("./file0", 000 [pid 6222] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6224] <... mkdir resumed>) = 0 [pid 6224] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = 0 [pid 6224] <... futex resumed>) = 1 [pid 6222] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6222] <... futex resumed>) = 0 [pid 6222] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] <... mount resumed>) = 0 [pid 6234] munmap(0x7f87c00f0000, 4194304 [pid 6225] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] <... munmap resumed>) = 0 [pid 6225] <... futex resumed>) = 1 [pid 6223] <... futex resumed>) = 0 [pid 6223] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6223] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6234] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6225] mkdir(".", 0777 [ 145.495390][ T6227] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 145.521314][ T6224] overlayfs: upper fs needs to support d_type. [ 145.537106][ T6224] overlayfs: upper fs does not support tmpfile. [ 145.545557][ T6224] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6234] <... openat resumed>) = 4 [pid 6225] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6224] <... mount resumed>) = 0 [pid 6236] <... write resumed>) = 4194304 [pid 6234] ioctl(4, LOOP_SET_FD, 3 [pid 6225] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6236] munmap(0x7f87c00f0000, 4194304 [pid 6234] <... ioctl resumed>) = 0 [pid 6233] <... write resumed>) = 4194304 [pid 6224] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6236] <... munmap resumed>) = 0 [pid 6233] munmap(0x7f87c00f0000, 4194304 [pid 6224] <... futex resumed>) = 0 [pid 6222] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6233] <... munmap resumed>) = 0 [pid 6224] mkdir(".", 0777 [pid 6222] <... futex resumed>) = 0 [pid 6236] <... openat resumed>) = 4 [pid 6233] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6224] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6222] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 145.557043][ T6227] REISERFS (device loop4): checking transaction log (loop4) [ 145.568030][ T6227] REISERFS (device loop4): Using r5 hash to sort names [ 145.577487][ T6234] loop1: detected capacity change from 0 to 8192 [ 145.578693][ T6227] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 145.591476][ T6236] loop2: detected capacity change from 0 to 8192 [pid 6236] ioctl(4, LOOP_SET_FD, 3 [pid 6233] <... openat resumed>) = 4 [pid 6224] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6233] ioctl(4, LOOP_SET_FD, 3 [pid 6236] <... ioctl resumed>) = 0 [pid 6234] close(3 [pid 6227] <... mount resumed>) = 0 [pid 6236] close(3 [pid 6234] <... close resumed>) = 0 [pid 6227] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6236] <... close resumed>) = 0 [pid 6234] mkdir("./file0", 0777 [pid 6227] <... openat resumed>) = 3 [pid 6236] mkdir("./file0", 0777 [pid 6234] <... mkdir resumed>) = 0 [pid 6227] chdir("./file0" [pid 6236] <... mkdir resumed>) = 0 [pid 6234] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6227] <... chdir resumed>) = 0 [pid 6236] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6227] ioctl(4, LOOP_CLR_FD) = 0 [ 145.600695][ T6227] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 145.609070][ T6233] loop0: detected capacity change from 0 to 8192 [pid 6227] close(4) = 0 [pid 6227] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6226] <... futex resumed>) = 0 [pid 6227] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] <... futex resumed>) = 0 [pid 6227] mkdir("./file1", 000 [pid 6226] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] <... mkdir resumed>) = 0 [pid 6227] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6226] <... futex resumed>) = 0 [pid 6227] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] <... futex resumed>) = 0 [pid 6227] mkdir("./bus", 000 [pid 6226] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] <... mkdir resumed>) = 0 [pid 6227] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6226] <... futex resumed>) = 0 [pid 6227] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] <... futex resumed>) = 0 [pid 6233] <... ioctl resumed>) = 0 [pid 6225] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6224] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6233] close(3 [pid 6225] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... close resumed>) = 0 [pid 6225] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 1 [pid 6223] <... futex resumed>) = 0 [pid 6222] <... futex resumed>) = 0 [ 145.638717][ T6224] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 145.660095][ T6225] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 145.683472][ T6236] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6233] mkdir("./file0", 0777 [pid 6225] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... mkdir resumed>) = 0 [pid 6227] mkdir("./file0", 000 [pid 6226] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6227] <... mkdir resumed>) = 0 [pid 6224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6222] <... futex resumed>) = 0 [pid 6227] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] unlink(NULL [pid 6222] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] <... futex resumed>) = 1 [pid 6226] <... futex resumed>) = 0 [pid 6224] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6227] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] <... futex resumed>) = 0 [pid 6224] <... futex resumed>) = 1 [pid 6222] <... futex resumed>) = 0 [ 145.689296][ T6234] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 145.703874][ T6236] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 145.729313][ T6234] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 145.734688][ T6227] overlayfs: upper fs needs to support d_type. [pid 6227] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6226] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6224] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6222] close(3 [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6223] <... futex resumed>) = 0 [pid 6222] <... close resumed>) = 0 [pid 6222] close(4) = -1 EBADF (Bad file descriptor) [pid 6222] close(5) = -1 EBADF (Bad file descriptor) [pid 6222] close(6) = -1 EBADF (Bad file descriptor) [pid 6222] close(7) = -1 EBADF (Bad file descriptor) [pid 6222] close(8) = -1 EBADF (Bad file descriptor) [pid 6222] close(9) = -1 EBADF (Bad file descriptor) [pid 6222] close(10) = -1 EBADF (Bad file descriptor) [pid 6222] close(11) = -1 EBADF (Bad file descriptor) [pid 6222] close(12) = -1 EBADF (Bad file descriptor) [ 145.753861][ T6236] REISERFS (device loop2): using ordered data mode [ 145.766250][ T6236] reiserfs: using flush barriers [ 145.767161][ T6227] overlayfs: upper fs does not support tmpfile. [ 145.775723][ T6236] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6225] unlink(NULL [pid 6223] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6222] close(13 [pid 6225] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6225] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6223] <... futex resumed>) = 0 [pid 6225] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] close(3) = 0 [pid 6223] close(4 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] close(14 [pid 6223] close(5 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] close(6 [pid 6222] close(15 [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 145.784244][ T6233] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 145.806090][ T6236] REISERFS (device loop2): checking transaction log (loop2) [ 145.827915][ T6234] REISERFS (device loop1): using ordered data mode [ 145.837696][ T6227] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6223] close(7) = -1 EBADF (Bad file descriptor) [pid 6223] close(8) = -1 EBADF (Bad file descriptor) [pid 6223] close(9) = -1 EBADF (Bad file descriptor) [pid 6223] close(10) = -1 EBADF (Bad file descriptor) [pid 6223] close(11) = -1 EBADF (Bad file descriptor) [pid 6223] close(12) = -1 EBADF (Bad file descriptor) [pid 6223] close(13) = -1 EBADF (Bad file descriptor) [pid 6223] close(14) = -1 EBADF (Bad file descriptor) [pid 6223] close(15) = -1 EBADF (Bad file descriptor) [pid 6223] close(16) = -1 EBADF (Bad file descriptor) [pid 6223] close(17) = -1 EBADF (Bad file descriptor) [pid 6223] close(18) = -1 EBADF (Bad file descriptor) [pid 6223] close(19) = -1 EBADF (Bad file descriptor) [pid 6223] close(20) = -1 EBADF (Bad file descriptor) [pid 6223] close(21) = -1 EBADF (Bad file descriptor) [pid 6223] close(22) = -1 EBADF (Bad file descriptor) [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] close(23 [pid 6222] close(16 [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] close(24 [pid 6222] close(17 [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] close(25 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] close(26) = -1 EBADF (Bad file descriptor) [pid 6223] close(27) = -1 EBADF (Bad file descriptor) [pid 6223] close(28) = -1 EBADF (Bad file descriptor) [pid 6223] close(29) = -1 EBADF (Bad file descriptor) [pid 6223] exit_group(0 [pid 6225] <... futex resumed>) = ? [pid 6223] <... exit_group resumed>) = ? [pid 6225] +++ exited with 0 +++ [pid 6223] +++ exited with 0 +++ [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=143, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 6226] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6226] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6226] <... futex resumed>) = 0 [pid 5082] fstat(3, [pid 6226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6226] <... mmap resumed>) = 0x7f87c04cf000 [pid 5082] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6226] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5082] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6226] <... mprotect resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] lstat("./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] unlink("./50/binderfs" [pid 6222] close(18 [pid 5082] <... unlink resumed>) = 0 [pid 5082] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6226] <... clone resumed>, parent_tid=[137], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 137 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] close(19 [pid 5082] lstat("./50/cgroup", ./strace-static-x86_64: Process 6240 attached [pid 6226] <... futex resumed>) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6240] set_robust_list(0x7f87c04ef9e0, 24 [pid 6226] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6222] close(20 [pid 5082] unlink("./50/cgroup" [pid 6240] <... set_robust_list resumed>) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 6240] mkdir(".", 0777 [pid 6222] close(21 [pid 5082] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6240] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6227] <... mount resumed>) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 145.860615][ T6236] REISERFS (device loop2): Using r5 hash to sort names [ 145.877294][ T6236] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6240] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6236] <... mount resumed>) = 0 [pid 6227] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] close(22 [pid 5082] lstat("./50/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./50/cgroup.net") = 0 [pid 5082] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6236] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6227] <... futex resumed>) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] chdir("./file0") = 0 [pid 6236] ioctl(4, LOOP_CLR_FD) = 0 [pid 6236] close(4) = 0 [pid 6236] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 145.903426][ T6236] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 145.904523][ T6234] reiserfs: using flush barriers [ 145.915811][ T6233] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 145.935811][ T6234] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6236] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] <... futex resumed>) = 0 [pid 6227] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6222] close(23 [pid 6232] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... futex resumed>) = 0 [pid 6232] <... futex resumed>) = 1 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] mkdir("./file1", 000 [pid 6232] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] <... mkdir resumed>) = 0 [pid 6236] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6232] <... futex resumed>) = 0 [pid 6236] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] <... futex resumed>) = 0 [pid 6236] mkdir("./bus", 000 [pid 6232] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] <... mkdir resumed>) = 0 [pid 6236] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6232] <... futex resumed>) = 0 [pid 6236] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] <... futex resumed>) = 0 [pid 6236] mkdir("./file0", 000 [pid 6232] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6236] <... mkdir resumed>) = 0 [pid 6236] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6232] <... futex resumed>) = 0 [pid 6236] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] <... futex resumed>) = 0 [ 145.948091][ T6233] REISERFS (device loop0): using ordered data mode [ 145.959327][ T6234] REISERFS (device loop1): checking transaction log (loop1) [ 145.987681][ T6240] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 146.006648][ T6236] overlayfs: upper fs needs to support d_type. [ 146.015427][ T6234] REISERFS (device loop1): Using r5 hash to sort names [ 146.015696][ T6234] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 146.025880][ T6236] overlayfs: upper fs does not support tmpfile. [ 146.040942][ T6233] reiserfs: using flush barriers [pid 6236] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6232] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6222] close(24 [pid 6236] <... mount resumed>) = 0 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] close(25) = -1 EBADF (Bad file descriptor) [pid 6236] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6222] close(26 [pid 6240] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6232] <... futex resumed>) = 0 [pid 6236] <... futex resumed>) = 1 [pid 6222] close(27) = -1 EBADF (Bad file descriptor) [pid 6222] close(28) = -1 EBADF (Bad file descriptor) [pid 6222] close(29) = -1 EBADF (Bad file descriptor) [pid 6222] exit_group(0 [pid 6224] <... futex resumed>) = ? [pid 6222] <... exit_group resumed>) = ? [pid 6236] mkdir(".", 0777 [pid 6234] <... mount resumed>) = 0 [pid 6232] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] +++ exited with 0 +++ [pid 6222] +++ exited with 0 +++ [pid 6240] <... futex resumed>) = 1 [pid 6236] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6234] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6232] <... futex resumed>) = 0 [pid 6226] <... futex resumed>) = 0 [pid 6240] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6234] <... openat resumed>) = 3 [pid 6232] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6226] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] chdir("./file0" [pid 6226] <... futex resumed>) = 1 [pid 6234] <... chdir resumed>) = 0 [pid 6226] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] ioctl(4, LOOP_CLR_FD) = 0 [pid 6234] close(4) = 0 [pid 6234] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6234] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=145, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=28 /* 0.28 s */} --- [pid 5081] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5081] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] unlink("./50/binderfs") = 0 [pid 5081] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./50/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [ 146.050512][ T6236] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 146.068618][ T6234] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 146.090247][ T6233] 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 5081] unlink("./50/cgroup") = 0 [pid 5081] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./50/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./50/cgroup.net") = 0 [pid 5081] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6226] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6226] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5082] <... umount2 resumed>) = 0 [pid 5082] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./50/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./50/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5082] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] close(4) = 0 [pid 5082] rmdir("./50/file0") = 0 [pid 5082] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./50/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./50/cgroup.cpu") = 0 [pid 5082] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] close(3) = 0 [pid 5082] rmdir("./50") = 0 [pid 5082] mkdir("./51", 0777 [pid 6227] <... futex resumed>) = 0 [pid 5082] <... mkdir resumed>) = 0 [pid 6227] unlink(NULL [pid 6236] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6231] <... futex resumed>) = 0 [pid 6236] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... futex resumed>) = 1 [pid 6234] <... futex resumed>) = 0 [pid 6232] <... futex resumed>) = 0 [pid 6231] <... futex resumed>) = 1 [pid 6236] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] mkdir("./file1", 000 [pid 6232] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] <... mkdir resumed>) = 0 [pid 6232] <... futex resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6236] unlink(NULL [pid 6234] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... openat resumed>) = 3 [pid 6236] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6234] <... futex resumed>) = 1 [pid 6231] <... futex resumed>) = 0 [pid 5082] ioctl(3, LOOP_CLR_FD [pid 6227] <... futex resumed>) = 0 [pid 6236] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6234] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] close(3 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6236] <... futex resumed>) = 1 [pid 6234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] <... futex resumed>) = 0 [pid 6231] <... futex resumed>) = 0 [pid 6226] <... close resumed>) = 0 [pid 5082] close(3 [pid 6236] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] mkdir("./bus", 000 [pid 6232] close(3 [pid 6231] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6226] close(4 [pid 5082] <... close resumed>) = 0 [pid 6234] <... mkdir resumed>) = 0 [pid 6232] <... close resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6241 attached [pid 6234] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] close(4 [pid 6226] close(5 [ 146.149513][ T6236] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 146.177528][ T6233] REISERFS (device loop0): checking transaction log (loop0) [pid 6241] set_robust_list(0x5555565af5e0, 24 [pid 6234] <... futex resumed>) = 1 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... futex resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 145 [pid 6241] <... set_robust_list resumed>) = 0 [pid 6234] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] close(5 [pid 6231] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] close(6 [pid 6241] chdir("./51" [pid 6234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... futex resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... chdir resumed>) = 0 [pid 6234] mkdir("./file0", 000 [pid 6232] close(6 [pid 6231] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6226] close(7 [pid 6241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6234] <... mkdir resumed>) = 0 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... prctl resumed>) = 0 [pid 6234] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] close(7 [pid 6226] close(8 [pid 6241] setpgid(0, 0 [pid 6234] <... futex resumed>) = 1 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... futex resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... setpgid resumed>) = 0 [pid 6234] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6232] close(8 [pid 6231] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] close(9 [pid 6241] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... futex resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... symlink resumed>) = 0 [pid 6234] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6232] close(9 [pid 6231] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6226] close(10 [pid 6241] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... symlink resumed>) = 0 [pid 6232] close(10 [pid 6226] close(11 [pid 6241] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... symlink resumed>) = 0 [pid 6232] close(11 [pid 6226] close(12 [pid 6241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... openat resumed>) = 3 [pid 6232] close(12 [pid 6226] close(13 [pid 6241] write(3, "1000", 4 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... write resumed>) = 4 [pid 6232] close(13 [pid 6226] close(14 [pid 6241] close(3 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... close resumed>) = 0 [pid 6232] close(14 [pid 6226] close(15 [pid 6241] read(200, [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] close(15 [pid 6226] close(16 [pid 6241] symlink("/dev/binderfs", "./binderfs" [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... symlink resumed>) = 0 [pid 6232] close(16 [pid 6226] close(17 [pid 6241] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... futex resumed>) = 0 [pid 6232] close(17 [pid 6226] close(18 [pid 6241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... mmap resumed>) = 0x7f87c84f0000 [pid 6232] close(18 [pid 6226] close(19 [pid 6241] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... mprotect resumed>) = 0 [pid 6232] close(19 [pid 6226] close(20 [pid 6241] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6242 attached [ 146.210070][ T6233] REISERFS (device loop0): Using r5 hash to sort names [ 146.237834][ T6233] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6232] close(20 [pid 6226] close(21 [pid 6242] set_robust_list(0x7f87c85109e0, 24 [pid 6241] <... clone resumed>, parent_tid=[146], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 146 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... set_robust_list resumed>) = 0 [pid 6241] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] close(21 [pid 6226] close(22 [pid 6242] memfd_create("syzkaller", 0 [pid 6241] <... futex resumed>) = 0 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... memfd_create resumed>) = 3 [pid 6241] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6232] close(22 [pid 6226] close(23 [pid 6242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... mmap resumed>) = 0x7f87c00f0000 [pid 6232] close(23 [pid 6226] close(24 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = 0 [pid 6232] close(24 [pid 6231] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] close(25 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... futex resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6232] close(25 [pid 6231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6226] close(26 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... mmap resumed>) = 0x7f87c04cf000 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6232] close(26 [pid 6231] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6226] close(27 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] <... mprotect resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6232] close(27 [pid 6231] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6226] close(28./strace-static-x86_64: Process 6243 attached [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] set_robust_list(0x7f87c04ef9e0, 24 [pid 6232] close(28 [pid 6231] <... clone resumed>, parent_tid=[140], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 140 [pid 6226] close(29 [pid 5081] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6243] <... set_robust_list resumed>) = 0 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6243] mkdir(".", 0777 [pid 6242] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6234] <... mount resumed>) = 0 [pid 6232] close(29 [pid 6231] <... futex resumed>) = 0 [pid 6226] exit_group(0 [pid 5081] lstat("./50/file0", [pid 6243] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6240] <... futex resumed>) = ? [pid 6234] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... mount resumed>) = 0 [pid 6232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6231] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6227] <... futex resumed>) = ? [pid 6226] <... exit_group resumed>) = ? [pid 6243] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6240] +++ exited with 0 +++ [pid 6234] <... futex resumed>) = 0 [pid 6233] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6232] exit_group(0 [pid 6227] +++ exited with 0 +++ [pid 6226] +++ exited with 0 +++ [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6236] <... futex resumed>) = ? [ 146.278274][ T6234] overlayfs: upper fs needs to support d_type. [ 146.288502][ T6234] overlayfs: upper fs does not support tmpfile. [ 146.298825][ T6234] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 146.311340][ T6233] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 6234] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6233] <... openat resumed>) = 3 [pid 6232] <... exit_group resumed>) = ? [pid 5081] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=135, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 6236] +++ exited with 0 +++ [pid 6233] chdir("./file0" [pid 6232] +++ exited with 0 +++ [pid 6233] <... chdir resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6233] ioctl(4, LOOP_CLR_FD [pid 5080] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6233] <... ioctl resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6233] close(4 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=28 /* 0.28 s */} --- [pid 5081] openat(AT_FDCWD, "./50/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6233] <... close resumed>) = 0 [pid 5080] <... openat resumed>) = 3 [pid 6233] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] fstat(3, [pid 6233] <... futex resumed>) = 1 [pid 6228] <... futex resumed>) = 0 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6233] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6228] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] getdents64(3, [pid 6233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6228] <... futex resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6233] mkdir("./file1", 000 [pid 6228] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6233] <... mkdir resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6233] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] lstat("./50/binderfs", [pid 6233] <... futex resumed>) = 1 [pid 6228] <... futex resumed>) = 0 [pid 5083] restart_syscall(<... resuming interrupted clone ...> [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6233] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6228] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... restart_syscall resumed>) = 0 [pid 5081] <... openat resumed>) = 4 [pid 5080] unlink("./50/binderfs" [pid 6233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6228] <... futex resumed>) = 0 [pid 5081] fstat(4, [pid 5080] <... unlink resumed>) = 0 [pid 6233] mkdir("./bus", 000 [pid 6228] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6233] <... mkdir resumed>) = 0 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6233] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] getdents64(4, [pid 5080] lstat("./50/cgroup", [pid 6233] <... futex resumed>) = 1 [pid 6228] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6233] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6228] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] getdents64(4, [pid 5080] unlink("./50/cgroup" [pid 6233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6228] <... futex resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 6233] mkdir("./file0", 000 [pid 6228] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] fstat(3, [pid 5081] close(4 [pid 5080] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6233] <... mkdir resumed>) = 0 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... close resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6233] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] getdents64(3, [pid 5081] rmdir("./50/file0" [pid 5080] lstat("./50/cgroup.net", [pid 6233] <... futex resumed>) = 1 [pid 6228] <... futex resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6233] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6228] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... rmdir resumed>) = 0 [pid 5080] unlink("./50/cgroup.net" [pid 6233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6228] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... unlink resumed>) = 0 [ 146.341047][ T6243] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6233] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6228] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] lstat("./49/binderfs", [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] lstat("./50/cgroup.cpu", [pid 5083] unlink("./49/binderfs" [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6243] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6242] <... write resumed>) = 4194304 [pid 5083] <... unlink resumed>) = 0 [pid 5081] unlink("./50/cgroup.cpu" [pid 6243] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... unlink resumed>) = 0 [pid 6243] <... futex resumed>) = 1 [pid 6242] munmap(0x7f87c00f0000, 4194304 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] getdents64(3, [pid 6243] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] <... munmap resumed>) = 0 [pid 5083] lstat("./49/cgroup", [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] close(3 [pid 6242] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5083] unlink("./49/cgroup" [pid 5081] <... close resumed>) = 0 [pid 6242] <... openat resumed>) = 4 [pid 5083] <... unlink resumed>) = 0 [pid 5081] rmdir("./50" [pid 6242] ioctl(4, LOOP_SET_FD, 3 [pid 5083] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... rmdir resumed>) = 0 [pid 6242] <... ioctl resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] mkdir("./51", 0777 [pid 5083] lstat("./49/cgroup.net", [pid 5081] <... mkdir resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5083] unlink("./49/cgroup.net" [pid 5081] <... openat resumed>) = 3 [pid 5083] <... unlink resumed>) = 0 [ 146.384747][ T6233] overlayfs: upper fs needs to support d_type. [ 146.395959][ T6233] overlayfs: upper fs does not support tmpfile. [ 146.419322][ T6242] loop5: detected capacity change from 0 to 8192 [pid 5081] ioctl(3, LOOP_CLR_FD [pid 5083] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5081] close(3) = 0 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565af5d0) = 147 [pid 6242] close(3) = 0 [pid 6242] mkdir("./file0", 0777./strace-static-x86_64: Process 6244 attached [pid 6244] set_robust_list(0x5555565af5e0, 24) = 0 [pid 6244] chdir("./51") = 0 [pid 6244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6231] <... futex resumed>) = 0 [pid 6244] setpgid(0, 0 [pid 6231] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... setpgid resumed>) = 0 [pid 6234] <... futex resumed>) = 0 [pid 6231] <... futex resumed>) = 1 [pid 6244] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6234] unlink(NULL [pid 6231] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] <... symlink resumed>) = 0 [pid 6242] <... mkdir resumed>) = 0 [pid 6234] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6228] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6244] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6242] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6234] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... symlink resumed>) = 0 [pid 6234] <... futex resumed>) = 1 [pid 6231] <... futex resumed>) = 0 [pid 6228] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6234] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [ 146.441778][ T6233] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6231] close(3 [pid 6244] <... symlink resumed>) = 0 [pid 6231] <... close resumed>) = 0 [pid 6228] <... futex resumed>) = 0 [pid 6244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6233] <... mount resumed>) = 0 [pid 6231] close(4 [pid 6228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6244] <... openat resumed>) = 3 [pid 6244] write(3, "1000", 4 [pid 6233] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... mmap resumed>) = 0x7f87c04cf000 [pid 6244] <... write resumed>) = 4 [pid 6233] <... futex resumed>) = 0 [pid 6231] close(5 [pid 6228] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6244] close(3 [pid 6233] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... mprotect resumed>) = 0 [pid 6244] <... close resumed>) = 0 [pid 6231] close(6 [pid 6228] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6246 attached [pid 6244] read(200, [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] set_robust_list(0x7f87c04ef9e0, 24 [pid 6244] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6231] close(7 [pid 6228] <... clone resumed>, parent_tid=[135], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 135 [pid 6246] <... set_robust_list resumed>) = 0 [pid 6244] symlink("/dev/binderfs", "./binderfs" [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 6244] <... symlink resumed>) = 0 [pid 6231] close(8 [pid 6228] <... futex resumed>) = 0 [ 146.497819][ T6242] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 146.527253][ T6242] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 146.537959][ T6242] REISERFS (device loop5): using ordered data mode [pid 6246] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6244] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5080] <... umount2 resumed>) = 0 [pid 6244] <... futex resumed>) = 0 [pid 6231] close(9 [pid 6246] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6246] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6244] <... mmap resumed>) = 0x7f87c84f0000 [pid 6231] close(10 [pid 6228] <... futex resumed>) = 0 [pid 6246] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6244] <... mprotect resumed>) = 0 [pid 6233] <... futex resumed>) = 0 [pid 6231] close(11 [pid 6228] <... futex resumed>) = 1 [pid 5080] lstat("./50/file0", [pid 6244] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6233] unlink(NULL [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 146.545973][ T6242] reiserfs: using flush barriers [ 146.553885][ T6242] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 146.558720][ T6246] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 146.572862][ T6242] REISERFS (device loop5): checking transaction log (loop5) [pid 6228] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6247 attached [pid 6233] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6231] close(12 [pid 5083] <... umount2 resumed>) = 0 [pid 5080] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6247] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 6247] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] <... clone resumed>, parent_tid=[148], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 148 [pid 6244] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... futex resumed>) = 0 [pid 6244] <... futex resumed>) = 1 [pid 6247] memfd_create("syzkaller", 0 [pid 6244] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6247] <... memfd_create resumed>) = 3 [pid 6231] close(13 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./50/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./49/file0", [pid 5080] <... openat resumed>) = 4 [pid 6247] <... mmap resumed>) = 0x7f87c00f0000 [pid 6231] close(14 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] fstat(4, [pid 6242] <... mount resumed>) = 0 [pid 6233] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6231] close(15 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] getdents64(4, [pid 6233] <... futex resumed>) = 1 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... futex resumed>) = 0 [pid 5083] openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6233] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] close(16 [pid 6228] close(3 [pid 5083] <... openat resumed>) = 4 [pid 5080] getdents64(4, [pid 6242] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = 0 [pid 5083] fstat(4, [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6242] <... openat resumed>) = 3 [pid 6231] close(17 [pid 6228] close(4 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] close(4 [pid 6242] chdir("./file0" [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] getdents64(4, [pid 5080] <... close resumed>) = 0 [pid 6242] <... chdir resumed>) = 0 [pid 6231] close(18 [pid 6228] close(5 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] rmdir("./50/file0" [pid 6242] ioctl(4, LOOP_CLR_FD [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] getdents64(4, [pid 5080] <... rmdir resumed>) = 0 [pid 6242] <... ioctl resumed>) = 0 [pid 6231] close(19 [pid 6228] close(6 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6242] close(4 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(4 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6247] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6242] <... close resumed>) = 0 [pid 6231] close(20 [pid 6228] close(7 [pid 5083] <... close resumed>) = 0 [pid 5080] lstat("./50/cgroup.cpu", [pid 6242] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] rmdir("./49/file0" [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6242] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = 0 [pid 6231] close(21 [pid 6228] close(8 [pid 6242] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6241] <... futex resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(9 [pid 5083] <... rmdir resumed>) = 0 [pid 5080] unlink("./50/cgroup.cpu" [pid 6242] mkdir("./file1", 000 [pid 6241] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6231] close(22 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6242] <... mkdir resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(10 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... unlink resumed>) = 0 [ 146.610424][ T6242] REISERFS (device loop5): Using r5 hash to sort names [ 146.625761][ T6242] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 146.639871][ T6242] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 6242] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] close(23 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./49/cgroup.cpu", [pid 5080] getdents64(3, [pid 6242] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(11 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6242] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] close(24 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] unlink("./49/cgroup.cpu" [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6241] <... futex resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(12 [pid 6242] mkdir("./bus", 000 [pid 6241] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6231] close(25 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 5080] close(3 [pid 6242] <... mkdir resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(13 [pid 5083] getdents64(3, [pid 5080] <... close resumed>) = 0 [pid 6242] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] close(26 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] rmdir("./50" [pid 6242] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(14 [pid 5083] close(3 [pid 6242] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6241] <... futex resumed>) = 0 [pid 6231] close(27 [pid 6228] close(15 [pid 5080] <... rmdir resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 6242] mkdir("./file0", 000 [pid 6241] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] rmdir("./49" [pid 5080] mkdir("./51", 0777 [pid 6242] <... mkdir resumed>) = 0 [pid 6231] close(28 [pid 6228] close(16 [pid 6242] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(17 [pid 5083] <... rmdir resumed>) = 0 [pid 5080] <... mkdir resumed>) = 0 [pid 6242] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] close(29 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] mkdir("./50", 0777 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6241] <... futex resumed>) = 0 [pid 6231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6241] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] close(18 [pid 5083] <... mkdir resumed>) = 0 [pid 6231] exit_group(0 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5080] <... openat resumed>) = 3 [pid 6243] <... futex resumed>) = ? [pid 6234] <... futex resumed>) = ? [pid 6231] <... exit_group resumed>) = ? [pid 5083] <... openat resumed>) = 3 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 6243] +++ exited with 0 +++ [pid 6234] +++ exited with 0 +++ [pid 6231] +++ exited with 0 +++ [pid 6228] close(19 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(20) = -1 EBADF (Bad file descriptor) [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6228] close(21 [pid 5080] close(3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(3 [pid 6228] close(22) = -1 EBADF (Bad file descriptor) [pid 5080] <... close resumed>) = 0 [pid 6228] close(23) = -1 EBADF (Bad file descriptor) [pid 6228] close(24) = -1 EBADF (Bad file descriptor) [pid 6228] close(25) = -1 EBADF (Bad file descriptor) [pid 6228] close(26) = -1 EBADF (Bad file descriptor) [pid 6228] close(27) = -1 EBADF (Bad file descriptor) [pid 6228] close(28) = -1 EBADF (Bad file descriptor) [pid 6228] close(29) = -1 EBADF (Bad file descriptor) [pid 6228] exit_group(0 [pid 6246] <... futex resumed>) = ? [pid 6233] <... futex resumed>) = ? [pid 6228] <... exit_group resumed>) = ? [pid 6246] +++ exited with 0 +++ [pid 6233] +++ exited with 0 +++ [pid 6228] +++ exited with 0 +++ [pid 5083] <... close resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6249 attached ./strace-static-x86_64: Process 6248 attached [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=133, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=27 /* 0.27 s */} --- [pid 6249] set_robust_list(0x5555565af5e0, 24 [pid 6248] set_robust_list(0x5555565af5e0, 24 [pid 6249] <... set_robust_list resumed>) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 138 [pid 6249] chdir("./50" [pid 6248] <... set_robust_list resumed>) = 0 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 140 [pid 5079] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6249] <... chdir resumed>) = 0 [pid 6249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6248] chdir("./51" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6249] setpgid(0, 0 [pid 6248] <... chdir resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6249] <... setpgid resumed>) = 0 [pid 6248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6249] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5079] <... openat resumed>) = 3 [pid 5078] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6249] <... symlink resumed>) = 0 [pid 6248] <... prctl resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 6249] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [ 146.713043][ T6242] overlayfs: upper fs needs to support d_type. [pid 6248] setpgid(0, 0 [pid 5079] fstat(3, [pid 5078] fstat(3, [pid 6249] <... symlink resumed>) = 0 [pid 6248] <... setpgid resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6249] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5078] getdents64(3, [pid 6249] <... symlink resumed>) = 0 [pid 6248] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5079] getdents64(3, [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6249] <... openat resumed>) = 3 [pid 6248] <... symlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6249] write(3, "1000", 4 [pid 6248] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] lstat("./49/binderfs", [pid 6249] <... write resumed>) = 4 [pid 5079] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6249] close(3 [pid 6248] <... symlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./49/binderfs" [pid 6249] <... close resumed>) = 0 [pid 6248] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5079] lstat("./50/binderfs", [pid 5078] <... unlink resumed>) = 0 [pid 6249] read(200, [pid 5078] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6249] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6248] <... symlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6249] symlink("/dev/binderfs", "./binderfs" [pid 6248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] lstat("./49/cgroup", [pid 6249] <... symlink resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6249] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... openat resumed>) = 3 [pid 5079] unlink("./50/binderfs" [pid 5078] unlink("./49/cgroup" [pid 6249] <... futex resumed>) = 0 [pid 6248] write(3, "1000", 4 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6248] <... write resumed>) = 4 [pid 5079] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6249] <... mmap resumed>) = 0x7f87c84f0000 [pid 6248] close(3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6249] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6248] <... close resumed>) = 0 [pid 5079] lstat("./50/cgroup", [pid 5078] lstat("./49/cgroup.net", [pid 6249] <... mprotect resumed>) = 0 [pid 6248] read(200, [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6249] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6248] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] unlink("./50/cgroup" [pid 5078] unlink("./49/cgroup.net"./strace-static-x86_64: Process 6250 attached [pid 6248] symlink("/dev/binderfs", "./binderfs" [pid 6241] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6250] set_robust_list(0x7f87c85109e0, 24 [pid 6249] <... clone resumed>, parent_tid=[141], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 141 [pid 6248] <... symlink resumed>) = 0 [pid 5078] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] <... set_robust_list resumed>) = 0 [pid 6249] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] memfd_create("syzkaller", 0 [pid 6249] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] <... memfd_create resumed>) = 3 [pid 6249] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] lstat("./50/cgroup.net", [pid 6250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6248] <... mmap resumed>) = 0x7f87c84f0000 [pid 6241] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./50/cgroup.net" [pid 6250] <... mmap resumed>) = 0x7f87c00f0000 [pid 6248] <... mprotect resumed>) = 0 [pid 6247] <... write resumed>) = 4194304 [pid 5079] <... unlink resumed>) = 0 [pid 6248] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5079] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6251 attached [pid 6251] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 6251] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] <... clone resumed>, parent_tid=[139], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 139 [pid 6248] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = 1 [pid 6251] memfd_create("syzkaller", 0) = 3 [pid 6248] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6242] <... mount resumed>) = 0 [pid 6242] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] munmap(0x7f87c00f0000, 4194304 [pid 6242] <... futex resumed>) = 0 [pid 6241] <... futex resumed>) = 0 [ 146.754379][ T6242] overlayfs: upper fs does not support tmpfile. [ 146.780601][ T6242] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6242] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6247] <... munmap resumed>) = 0 [pid 6241] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6247] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6241] <... mprotect resumed>) = 0 [pid 6241] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6247] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6252 attached [pid 6241] <... clone resumed>, parent_tid=[147], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 147 [pid 6247] ioctl(4, LOOP_SET_FD, 3 [pid 6252] set_robust_list(0x7f87c04ef9e0, 24 [pid 6241] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... set_robust_list resumed>) = 0 [pid 6241] <... futex resumed>) = 0 [pid 6252] mkdir(".", 0777 [pid 6241] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6252] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6252] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6247] <... ioctl resumed>) = 0 [pid 6247] close(3) = 0 [pid 6247] mkdir("./file0", 0777) = 0 [pid 6247] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 146.859549][ T6247] loop3: detected capacity change from 0 to 8192 [ 146.881945][ T6252] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6250] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5078] <... umount2 resumed>) = 0 [pid 5078] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./49/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5078] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] close(4) = 0 [pid 5078] rmdir("./49/file0") = 0 [pid 5078] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./49/cgroup.cpu") = 0 [pid 6252] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = 0 [pid 6252] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] getdents64(3, [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6252] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6252] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] lstat("./50/file0", [pid 5078] close(3 [pid 6251] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6242] <... futex resumed>) = 0 [pid 6241] <... futex resumed>) = 1 [pid 6242] unlink(NULL [pid 6241] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... close resumed>) = 0 [pid 6242] <... unlink resumed>) = -1 EFAULT (Bad address) [ 146.940219][ T6247] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5078] rmdir("./49" [pid 6242] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... rmdir resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] mkdir("./50", 0777 [pid 6242] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./50/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... mkdir resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6242] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6241] close(3 [pid 5079] getdents64(4, [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6241] <... close resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6241] close(4 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] close(3 [pid 6241] close(5 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(4 [pid 5078] <... close resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565af5d0) = 136 ./strace-static-x86_64: Process 6254 attached [pid 6241] close(6 [pid 5079] <... close resumed>) = 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./50/file0" [pid 6254] set_robust_list(0x5555565af5e0, 24 [pid 6241] close(7) = -1 EBADF (Bad file descriptor) [pid 5079] <... rmdir resumed>) = 0 [pid 6254] <... set_robust_list resumed>) = 0 [pid 6254] chdir("./50" [pid 6241] close(8 [pid 5079] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6254] <... chdir resumed>) = 0 [pid 6250] <... write resumed>) = 4194304 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6241] close(9 [pid 5079] lstat("./50/cgroup.cpu", [pid 6254] <... prctl resumed>) = 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 146.981765][ T6247] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 146.997332][ T6247] REISERFS (device loop3): using ordered data mode [ 147.004870][ T6247] reiserfs: using flush barriers [pid 6254] setpgid(0, 0 [pid 6241] close(10 [pid 5079] unlink("./50/cgroup.cpu" [pid 6254] <... setpgid resumed>) = 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 6254] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6241] close(11 [pid 5079] getdents64(3, [pid 6254] <... symlink resumed>) = 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6254] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6241] close(12 [pid 5079] close(3 [pid 6254] <... symlink resumed>) = 0 [pid 6250] munmap(0x7f87c00f0000, 4194304 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 6254] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6250] <... munmap resumed>) = 0 [pid 6241] close(13 [pid 5079] rmdir("./50" [pid 6254] <... symlink resumed>) = 0 [pid 6250] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... rmdir resumed>) = 0 [pid 6254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6250] <... openat resumed>) = 4 [pid 6241] close(14 [pid 5079] mkdir("./51", 0777 [pid 6254] <... openat resumed>) = 3 [pid 6250] ioctl(4, LOOP_SET_FD, 3 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... mkdir resumed>) = 0 [pid 6254] write(3, "1000", 4 [pid 6241] close(15 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6254] <... write resumed>) = 4 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 6254] close(3 [pid 6241] close(16 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6254] <... close resumed>) = 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6254] read(200, [ 147.052872][ T6247] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 147.075684][ T6250] loop2: detected capacity change from 0 to 8192 [pid 6241] close(17 [pid 5079] close(3 [pid 6254] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6251] <... write resumed>) = 4194304 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 6254] symlink("/dev/binderfs", "./binderfs" [pid 6241] close(18 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6254] <... symlink resumed>) = 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] close(19 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 141 ./strace-static-x86_64: Process 6255 attached [pid 6254] <... futex resumed>) = 0 [pid 6251] munmap(0x7f87c00f0000, 4194304 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] set_robust_list(0x5555565af5e0, 24 [pid 6254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6250] <... ioctl resumed>) = 0 [pid 6241] close(20 [pid 6254] <... mmap resumed>) = 0x7f87c84f0000 [pid 6250] close(3 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6250] <... close resumed>) = 0 [pid 6241] close(21 [pid 6254] <... mprotect resumed>) = 0 [pid 6250] mkdir("./file0", 0777 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6250] <... mkdir resumed>) = 0 [pid 6241] close(22./strace-static-x86_64: Process 6256 attached [pid 6250] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] set_robust_list(0x7f87c85109e0, 24 [pid 6254] <... clone resumed>, parent_tid=[137], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 137 [pid 6241] close(23 [pid 6256] <... set_robust_list resumed>) = 0 [pid 6254] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] memfd_create("syzkaller", 0 [pid 6255] <... set_robust_list resumed>) = 0 [pid 6254] <... futex resumed>) = 0 [pid 6251] <... munmap resumed>) = 0 [pid 6241] close(24 [pid 6256] <... memfd_create resumed>) = 3 [pid 6255] chdir("./51" [pid 6254] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6251] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 147.096235][ T6247] REISERFS (device loop3): checking transaction log (loop3) [ 147.106660][ T6247] REISERFS (device loop3): Using r5 hash to sort names [ 147.118597][ T6247] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 147.137089][ T6247] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 6241] close(25 [pid 6256] <... mmap resumed>) = 0x7f87c00f0000 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... chdir resumed>) = 0 [pid 6251] <... openat resumed>) = 4 [pid 6247] <... mount resumed>) = 0 [pid 6255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6251] ioctl(4, LOOP_SET_FD, 3 [pid 6247] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6255] <... prctl resumed>) = 0 [pid 6251] <... ioctl resumed>) = 0 [pid 6247] <... openat resumed>) = 3 [pid 6241] close(26 [pid 6255] setpgid(0, 0 [pid 6247] chdir("./file0" [pid 6255] <... setpgid resumed>) = 0 [pid 6255] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6247] <... chdir resumed>) = 0 [pid 6255] <... symlink resumed>) = 0 [pid 6251] close(3 [pid 6247] ioctl(4, LOOP_CLR_FD [pid 6255] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6251] <... close resumed>) = 0 [pid 6247] <... ioctl resumed>) = 0 [pid 6255] <... symlink resumed>) = 0 [pid 6251] mkdir("./file0", 0777 [pid 6247] close(4 [pid 6255] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6251] <... mkdir resumed>) = 0 [pid 6247] <... close resumed>) = 0 [pid 6255] <... symlink resumed>) = 0 [pid 6251] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6247] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6247] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 6255] <... openat resumed>) = 3 [pid 6247] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] write(3, "1000", 4 [pid 6247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] <... futex resumed>) = 0 [pid 6255] <... write resumed>) = 4 [pid 6247] mkdir("./file1", 000 [pid 6244] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6255] close(3 [pid 6247] <... mkdir resumed>) = 0 [pid 6255] <... close resumed>) = 0 [pid 6247] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] read(200, [pid 6247] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 6255] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6247] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] symlink("/dev/binderfs", "./binderfs" [pid 6247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] <... futex resumed>) = 0 [pid 6255] <... symlink resumed>) = 0 [pid 6247] mkdir("./bus", 000 [pid 6244] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... mkdir resumed>) = 0 [pid 6241] close(27 [pid 6255] <... futex resumed>) = 0 [pid 6247] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6247] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... mmap resumed>) = 0x7f87c84f0000 [pid 6247] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] close(28 [pid 6255] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] <... futex resumed>) = 0 [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... mprotect resumed>) = 0 [ 147.150019][ T6251] loop4: detected capacity change from 0 to 8192 [ 147.150160][ T6250] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 147.172725][ T6251] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 147.186938][ T6250] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 6247] mkdir("./file0", 000 [pid 6244] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6241] close(29 [pid 6255] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6247] <... mkdir resumed>) = 0 [pid 6247] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... clone resumed>, parent_tid=[142], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 142 [pid 6247] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 6255] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... futex resumed>) = 0 [pid 6247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] <... futex resumed>) = 0 [pid 6255] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6247] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6244] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6259 attached [pid 6241] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] set_robust_list(0x7f87c85109e0, 24 [pid 6241] exit_group(0 [pid 6259] <... set_robust_list resumed>) = 0 [pid 6252] <... futex resumed>) = ? [pid 6242] <... futex resumed>) = ? [pid 6241] <... exit_group resumed>) = ? [pid 6259] memfd_create("syzkaller", 0 [pid 6252] +++ exited with 0 +++ [pid 6242] +++ exited with 0 +++ [pid 6241] +++ exited with 0 +++ [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=145, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 6259] <... memfd_create resumed>) = 3 [ 147.207068][ T6251] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 147.212244][ T6247] overlayfs: upper fs needs to support d_type. [ 147.227210][ T6247] overlayfs: upper fs does not support tmpfile. [ 147.237426][ T6250] REISERFS (device loop2): using ordered data mode [ 147.238155][ T6247] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6247] <... mount resumed>) = 0 [pid 5082] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5082] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5082] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6247] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] unlink("./51/binderfs") = 0 [pid 5082] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./51/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] unlink("./51/cgroup" [pid 6244] <... futex resumed>) = 0 [pid 6244] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... unlink resumed>) = 0 [pid 6247] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 5082] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./51/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./51/cgroup.net") = 0 [pid 5082] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6244] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6247] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 6247] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 147.245243][ T6250] reiserfs: using flush barriers [ 147.255069][ T6251] REISERFS (device loop4): using ordered data mode [ 147.281684][ T6251] reiserfs: using flush barriers [ 147.297889][ T6250] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 147.310028][ T6251] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 147.319293][ T6250] REISERFS (device loop2): checking transaction log (loop2) [pid 6256] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6247] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6247] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6244] <... futex resumed>) = 0 [ 147.346122][ T6247] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 147.365857][ T6251] REISERFS (device loop4): checking transaction log (loop4) [ 147.373719][ T6250] REISERFS (device loop2): Using r5 hash to sort names [ 147.383707][ T6250] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6244] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] unlink(NULL) = -1 EFAULT (Bad address) [pid 6244] <... futex resumed>) = 0 [pid 6244] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6247] <... futex resumed>) = 0 [pid 6244] close(3 [pid 6247] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] <... mount resumed>) = 0 [pid 6244] <... close resumed>) = 0 [pid 6244] close(4 [pid 6250] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(5) = -1 EBADF (Bad file descriptor) [pid 6244] close(6) = -1 EBADF (Bad file descriptor) [pid 6250] <... openat resumed>) = 3 [pid 6244] close(7 [pid 6250] chdir("./file0" [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6244] close(8 [pid 6250] <... chdir resumed>) = 0 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] ioctl(4, LOOP_CLR_FD [pid 6244] close(9) = -1 EBADF (Bad file descriptor) [pid 6250] <... ioctl resumed>) = 0 [pid 6244] close(10 [pid 6250] close(4 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(11 [pid 6250] <... close resumed>) = 0 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] close(12 [pid 6250] <... futex resumed>) = 1 [pid 6249] <... futex resumed>) = 0 [pid 6250] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6249] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6249] <... futex resumed>) = 0 [pid 6244] close(13 [pid 6250] mkdir("./file1", 000 [pid 6249] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] <... mkdir resumed>) = 0 [pid 6244] close(14 [pid 6250] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] <... futex resumed>) = 1 [pid 6249] <... futex resumed>) = 0 [pid 6244] close(15 [pid 6249] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] mkdir("./bus", 000 [pid 6249] <... futex resumed>) = 0 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] <... mkdir resumed>) = 0 [pid 6244] close(16 [pid 6250] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... futex resumed>) = 0 [pid 6250] <... futex resumed>) = 1 [pid 6249] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] mkdir("./file0", 000 [pid 6249] <... futex resumed>) = 0 [pid 6244] close(17 [ 147.398698][ T6250] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 147.422046][ T6251] REISERFS (device loop4): Using r5 hash to sort names [ 147.431154][ T6251] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6249] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] <... mkdir resumed>) = 0 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = 0 [pid 6251] <... mount resumed>) = 0 [pid 6250] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] close(18 [pid 5082] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] <... futex resumed>) = 1 [pid 6249] <... futex resumed>) = 0 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6249] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] close(19 [pid 5082] lstat("./51/file0", [pid 6251] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6249] <... futex resumed>) = 0 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6251] <... openat resumed>) = 3 [pid 6250] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6249] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] close(20 [pid 5082] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6251] chdir("./file0" [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... chdir resumed>) = 0 [pid 6244] close(21 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] openat(AT_FDCWD, "./51/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6251] ioctl(4, LOOP_CLR_FD [pid 6244] close(22 [pid 6251] <... ioctl resumed>) = 0 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 4 [pid 6251] close(4 [pid 6244] close(23 [pid 5082] fstat(4, [pid 6251] <... close resumed>) = 0 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6251] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(4, [pid 6251] <... futex resumed>) = 1 [pid 6244] close(24 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6251] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(4, [pid 6244] close(25 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(4 [pid 6244] close(26) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 6244] close(27 [pid 5082] rmdir("./51/file0" [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... rmdir resumed>) = 0 [pid 6244] close(28 [ 147.468097][ T6251] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 147.492103][ T6250] overlayfs: upper fs needs to support d_type. [ 147.507190][ T6250] overlayfs: upper fs does not support tmpfile. [pid 5082] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... futex resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6244] close(29 [pid 6248] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = 1 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./51/cgroup.cpu", [pid 6251] mkdir("./file1", 000 [pid 6249] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6248] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] exit_group(0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6259] <... write resumed>) = 4194304 [pid 6256] <... write resumed>) = 4194304 [pid 6251] <... mkdir resumed>) = 0 [pid 6250] <... mount resumed>) = 0 [pid 6249] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... futex resumed>) = ? [pid 6244] <... exit_group resumed>) = ? [pid 5082] unlink("./51/cgroup.cpu" [pid 6259] munmap(0x7f87c00f0000, 4194304 [pid 6256] munmap(0x7f87c00f0000, 4194304 [pid 6251] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... futex resumed>) = 0 [pid 6247] +++ exited with 0 +++ [pid 6244] +++ exited with 0 +++ [pid 5082] <... unlink resumed>) = 0 [pid 6259] <... munmap resumed>) = 0 [pid 6256] <... munmap resumed>) = 0 [pid 6251] <... futex resumed>) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6248] <... futex resumed>) = 0 [pid 5082] getdents64(3, [pid 6259] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6256] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6251] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6249] <... mmap resumed>) = 0x7f87c04cf000 [pid 6248] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=147, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [ 147.515244][ T6250] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6259] <... openat resumed>) = 4 [pid 6256] <... openat resumed>) = 4 [pid 6251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6249] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6248] <... futex resumed>) = 0 [pid 5082] close(3 [pid 5081] restart_syscall(<... resuming interrupted clone ...> [pid 6259] ioctl(4, LOOP_SET_FD, 3 [pid 6256] ioctl(4, LOOP_SET_FD, 3 [pid 6251] mkdir("./bus", 000 [pid 6249] <... mprotect resumed>) = 0 [pid 6248] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... close resumed>) = 0 [pid 5081] <... restart_syscall resumed>) = 0 [pid 6259] <... ioctl resumed>) = 0 [pid 6259] close(3) = 0 [pid 6259] mkdir("./file0", 0777) = 0 [pid 6259] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6251] <... mkdir resumed>) = 0 [pid 5082] rmdir("./51" [pid 6256] <... ioctl resumed>) = 0 [pid 6251] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] <... rmdir resumed>) = 0 [pid 6256] close(3 [pid 6251] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 0 [pid 5082] mkdir("./52", 0777 [pid 5081] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6256] <... close resumed>) = 0 [pid 6251] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6249] <... clone resumed>, parent_tid=[142], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 142 [pid 6248] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... mkdir resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6256] mkdir("./file0", 0777 [pid 6251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6249] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... futex resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5081] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6256] <... mkdir resumed>) = 0 [pid 6251] mkdir("./file0", 000 [pid 6249] <... futex resumed>) = 0 [pid 6248] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... openat resumed>) = 3 [pid 5081] <... openat resumed>) = 3 [pid 6256] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6251] <... mkdir resumed>) = 0 [pid 6249] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5081] fstat(3, [pid 6251] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6251] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 0 [pid 5082] close(3 [pid 5081] getdents64(3, [pid 6251] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... close resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6248] <... futex resumed>) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6251] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6248] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 148 [pid 5081] lstat("./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 6263 attached [pid 5081] unlink("./51/binderfs" [pid 6263] set_robust_list(0x5555565af5e0, 24 [pid 5081] <... unlink resumed>) = 0 [pid 5081] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./51/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] unlink("./51/cgroup") = 0 [pid 5081] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./51/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./51/cgroup.net") = 0 [ 147.580937][ T6259] loop1: detected capacity change from 0 to 8192 [ 147.588762][ T6256] loop0: detected capacity change from 0 to 8192 [ 147.599037][ T6259] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 147.618338][ T6251] overlayfs: upper fs needs to support d_type. [pid 5081] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6263] <... set_robust_list resumed>) = 0 [pid 6263] chdir("./52") = 0 [pid 6263] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6261 attached ) = 0 [pid 6263] setpgid(0, 0 [pid 6248] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6248] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6248] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6248] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[140], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 140 [pid 6248] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 147.626510][ T6259] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 147.639292][ T6259] REISERFS (device loop1): using ordered data mode [ 147.648556][ T6259] reiserfs: using flush barriers [ 147.657391][ T6251] overlayfs: upper fs does not support tmpfile. [ 147.658579][ T6256] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6248] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6264 attached [pid 6263] <... setpgid resumed>) = 0 [pid 6261] set_robust_list(0x7f87c04ef9e0, 24 [pid 6251] <... mount resumed>) = 0 [pid 6251] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6251] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6264] set_robust_list(0x7f87c04ef9e0, 24 [pid 6263] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6261] <... set_robust_list resumed>) = 0 [pid 6264] <... set_robust_list resumed>) = 0 [pid 6263] <... symlink resumed>) = 0 [pid 6261] mkdir(".", 0777 [pid 6264] mkdir(".", 0777 [pid 6263] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6261] <... mkdir resumed>) = -1 EEXIST (File exists) [ 147.672543][ T6251] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 147.685832][ T6259] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 147.695412][ T6256] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 147.710213][ T6259] REISERFS (device loop1): checking transaction log (loop1) [ 147.714388][ T6256] REISERFS (device loop0): using ordered data mode [pid 6264] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6261] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6264] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6263] <... symlink resumed>) = 0 [pid 6263] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 6263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6263] write(3, "1000", 4) = 4 [pid 6263] close(3) = 0 [pid 6263] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6263] symlink("/dev/binderfs", "./binderfs") = 0 [ 147.733822][ T6256] reiserfs: using flush barriers [ 147.757721][ T6261] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 147.780491][ T6264] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 147.781603][ T6259] REISERFS (device loop1): Using r5 hash to sort names [pid 6263] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6264] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... umount2 resumed>) = 0 [pid 6264] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... futex resumed>) = 0 [pid 6261] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6264] <... futex resumed>) = 1 [pid 6263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6261] <... futex resumed>) = 1 [pid 6249] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = 0 [pid 6264] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] <... mmap resumed>) = 0x7f87c84f0000 [pid 6261] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6249] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [ 147.811180][ T6256] 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 [ 147.823855][ T6259] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 147.853315][ T6256] REISERFS (device loop0): checking transaction log (loop0) [pid 6248] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6251] <... futex resumed>) = 0 [pid 6250] <... futex resumed>) = 0 [pid 6249] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 1 [pid 6263] <... mprotect resumed>) = 0 [pid 6251] unlink(NULL [pid 6250] unlink(NULL [pid 6249] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6248] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6251] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6250] <... unlink resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 6265 attached [pid 6251] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6265] set_robust_list(0x7f87c85109e0, 24 [pid 5081] lstat("./51/file0", [pid 6265] <... set_robust_list resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6265] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./51/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5081] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5081] close(4) = 0 [pid 5081] rmdir("./51/file0") = 0 [pid 6250] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6263] <... clone resumed>, parent_tid=[149], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 149 [pid 6251] <... futex resumed>) = 1 [pid 6250] <... futex resumed>) = 1 [pid 6249] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6263] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6251] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6249] close(3 [pid 6248] close(3 [pid 5081] lstat("./51/cgroup.cpu", [pid 6265] <... futex resumed>) = 0 [pid 6263] <... futex resumed>) = 1 [pid 6259] <... mount resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6265] memfd_create("syzkaller", 0 [pid 5081] unlink("./51/cgroup.cpu" [pid 6265] <... memfd_create resumed>) = 3 [pid 5081] <... unlink resumed>) = 0 [pid 6265] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5081] getdents64(3, [pid 6265] <... mmap resumed>) = 0x7f87c00f0000 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6263] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6259] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6249] <... close resumed>) = 0 [pid 6248] <... close resumed>) = 0 [pid 5081] close(3) = 0 [pid 5081] rmdir("./51") = 0 [pid 5081] mkdir("./52", 0777) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5081] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5081] close(3) = 0 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6266 attached [pid 6266] set_robust_list(0x5555565af5e0, 24 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 149 [ 147.877729][ T6259] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 147.898522][ T6256] REISERFS (device loop0): Using r5 hash to sort names [ 147.914283][ T6256] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6266] <... set_robust_list resumed>) = 0 [pid 6259] <... openat resumed>) = 3 [pid 6249] close(4 [pid 6248] close(4 [pid 6266] chdir("./52") = 0 [pid 6266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6266] setpgid(0, 0) = 0 [pid 6266] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6266] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6266] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6266] write(3, "1000", 4) = 4 [pid 6266] close(3) = 0 [pid 6259] chdir("./file0" [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6266] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] close(5 [pid 6266] <... futex resumed>) = 0 [pid 6259] <... chdir resumed>) = 0 [pid 6249] close(5 [pid 6266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6266] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6266] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6267 attached [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] set_robust_list(0x7f87c85109e0, 24 [pid 6266] <... clone resumed>, parent_tid=[150], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 150 [pid 6259] ioctl(4, LOOP_CLR_FD [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(6 [pid 6267] <... set_robust_list resumed>) = 0 [pid 6266] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... ioctl resumed>) = 0 [pid 6249] close(6 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] memfd_create("syzkaller", 0 [pid 6266] <... futex resumed>) = 0 [pid 6259] close(4 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(7 [pid 6267] <... memfd_create resumed>) = 3 [pid 6266] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6259] <... close resumed>) = 0 [pid 6256] <... mount resumed>) = 0 [pid 6249] close(7 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6259] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(8 [pid 6265] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6259] <... futex resumed>) = 1 [pid 6256] <... openat resumed>) = 3 [pid 6255] <... futex resumed>) = 0 [pid 6249] close(8 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6259] mkdir("./file1", 000 [pid 6255] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] chdir("./file0" [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(9 [pid 6259] <... mkdir resumed>) = 0 [pid 6256] <... chdir resumed>) = 0 [pid 6259] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] ioctl(4, LOOP_CLR_FD [pid 6249] close(9 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(10 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... ioctl resumed>) = 0 [pid 6249] close(10 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... futex resumed>) = 0 [pid 6259] <... futex resumed>) = 1 [pid 6259] mkdir("./bus", 000 [pid 6256] close(4 [pid 6255] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(11 [pid 6255] <... futex resumed>) = 0 [pid 6255] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] <... mkdir resumed>) = 0 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(11 [pid 6256] <... close resumed>) = 0 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] close(12 [pid 6259] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... futex resumed>) = 1 [pid 6249] close(12 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 147.938443][ T6256] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 6259] <... futex resumed>) = 1 [pid 6256] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] <... futex resumed>) = 0 [pid 6254] <... futex resumed>) = 0 [pid 6249] close(13 [pid 6248] close(13 [pid 6259] mkdir("./file0", 000 [pid 6256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6255] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... futex resumed>) = 0 [pid 6254] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6255] <... futex resumed>) = 0 [pid 6255] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] <... mkdir resumed>) = 0 [pid 6256] mkdir("./file1", 000 [pid 6249] close(14 [pid 6248] close(14 [pid 6256] <... mkdir resumed>) = 0 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] close(15 [pid 6249] close(15 [pid 6259] <... futex resumed>) = 1 [pid 6256] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... futex resumed>) = 0 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(16) = -1 EBADF (Bad file descriptor) [pid 6248] close(16 [pid 6249] close(17 [pid 6256] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 0 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6248] close(17 [pid 6249] close(18 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... futex resumed>) = 0 [pid 6255] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(18 [pid 6254] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] mkdir("./bus", 000 [pid 6249] close(19 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(20 [pid 6248] close(19 [pid 6254] <... futex resumed>) = 0 [pid 6254] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] <... mkdir resumed>) = 0 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6248] close(20 [pid 6249] close(21 [pid 6256] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 0 [pid 6249] close(22 [pid 6248] close(21 [pid 6254] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] mkdir("./file0", 000 [pid 6249] close(23 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] <... futex resumed>) = 0 [pid 6254] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6248] close(22 [pid 6256] <... mkdir resumed>) = 0 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] close(24 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 0 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(25 [pid 6248] close(23 [pid 6254] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(24 [pid 6254] <... futex resumed>) = 0 [pid 6249] close(26 [pid 6254] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(27 [pid 6248] close(25 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(28 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(26 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(29 [pid 6248] close(27 [pid 6249] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] exit_group(0 [pid 6248] close(28 [pid 6249] <... exit_group resumed>) = ? [pid 6250] <... futex resumed>) = ? [pid 6250] +++ exited with 0 +++ [pid 6261] <... futex resumed>) = ? [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(29 [pid 6261] +++ exited with 0 +++ [pid 6249] +++ exited with 0 +++ [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] exit_group(0) = ? [pid 6251] <... futex resumed>) = ? [pid 6264] <... futex resumed>) = ? [pid 6251] +++ exited with 0 +++ [pid 6264] +++ exited with 0 +++ [pid 6248] +++ exited with 0 +++ [pid 6255] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 148.041374][ T6259] overlayfs: upper fs needs to support d_type. [ 148.069827][ T6256] overlayfs: upper fs needs to support d_type. [pid 6255] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 6255] <... futex resumed>) = 0 [pid 6255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 6255] <... mmap resumed>) = 0x7f87c04cf000 [pid 5080] restart_syscall(<... resuming interrupted clone ...> [pid 6255] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5080] <... restart_syscall resumed>) = 0 [pid 6255] <... mprotect resumed>) = 0 [pid 6255] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6268 attached [pid 5080] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5080] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(3, [pid 6268] set_robust_list(0x7f87c04ef9e0, 24 [pid 6255] <... clone resumed>, parent_tid=[143], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 143 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6268] <... set_robust_list resumed>) = 0 [pid 6255] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6268] mkdir(".", 0777 [pid 6255] <... futex resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6268] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6255] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5080] lstat("./51/binderfs", [pid 6268] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] unlink("./51/binderfs") = 0 [pid 5083] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./51/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] unlink("./51/cgroup" [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... unlink resumed>) = 0 [pid 6265] <... write resumed>) = 4194304 [pid 5083] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./51/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./51/cgroup.net") = 0 [pid 5080] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6265] munmap(0x7f87c00f0000, 4194304 [pid 5083] <... openat resumed>) = 3 [ 148.091718][ T6259] overlayfs: upper fs does not support tmpfile. [ 148.113658][ T6256] overlayfs: upper fs does not support tmpfile. [pid 6265] <... munmap resumed>) = 0 [pid 5083] fstat(3, [pid 6254] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6265] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6265] <... openat resumed>) = 4 [pid 5083] getdents64(3, [pid 6265] ioctl(4, LOOP_SET_FD, 3 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6254] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6265] <... ioctl resumed>) = 0 [pid 6256] <... mount resumed>) = 0 [pid 5083] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6268] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... write resumed>) = 4194304 [pid 6265] close(3 [pid 6259] <... mount resumed>) = 0 [pid 6256] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6265] <... close resumed>) = 0 [pid 6256] <... futex resumed>) = 0 [pid 6254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] lstat("./50/binderfs", [pid 6265] mkdir("./file0", 0777 [pid 6256] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] <... mmap resumed>) = 0x7f87c04cf000 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6265] <... mkdir resumed>) = 0 [pid 6254] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5083] unlink("./50/binderfs" [pid 6265] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6254] <... mprotect resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 6267] munmap(0x7f87c00f0000, 4194304 [pid 6254] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6270 attached [pid 6267] <... munmap resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6270] set_robust_list(0x7f87c04ef9e0, 24 [pid 6254] <... clone resumed>, parent_tid=[138], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 138 [ 148.127628][ T6268] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 148.150010][ T6256] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 148.163601][ T6265] loop5: detected capacity change from 0 to 8192 [ 148.180890][ T6259] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5083] lstat("./50/cgroup", [pid 6254] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6254] <... futex resumed>) = 0 [pid 5083] unlink("./50/cgroup" [pid 6254] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] <... unlink resumed>) = 0 [pid 6267] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5083] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6267] <... openat resumed>) = 4 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6267] ioctl(4, LOOP_SET_FD, 3 [pid 5083] lstat("./50/cgroup.net", [pid 6270] <... set_robust_list resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./50/cgroup.net" [pid 6270] mkdir(".", 0777 [pid 5083] <... unlink resumed>) = 0 [ 148.213299][ T6265] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 148.220380][ T6267] loop3: detected capacity change from 0 to 8192 [pid 6270] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6267] <... ioctl resumed>) = 0 [pid 6259] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... umount2 resumed>) = 0 [pid 6270] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6267] close(3 [pid 6259] <... futex resumed>) = 0 [pid 6267] <... close resumed>) = 0 [pid 6259] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6267] mkdir("./file0", 0777) = 0 [pid 6267] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6268] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = 0 [pid 6268] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... futex resumed>) = 0 [pid 6255] <... futex resumed>) = 1 [pid 6259] unlink(NULL [pid 6255] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6259] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6255] <... futex resumed>) = 0 [pid 6259] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6255] close(3) = 0 [pid 6255] close(4) = -1 EBADF (Bad file descriptor) [pid 6255] close(5) = -1 EBADF (Bad file descriptor) [pid 6255] close(6) = -1 EBADF (Bad file descriptor) [pid 6255] close(7) = -1 EBADF (Bad file descriptor) [pid 6255] close(8) = -1 EBADF (Bad file descriptor) [pid 6255] close(9) = -1 EBADF (Bad file descriptor) [pid 6255] close(10) = -1 EBADF (Bad file descriptor) [pid 6255] close(11) = -1 EBADF (Bad file descriptor) [pid 6255] close(12) = -1 EBADF (Bad file descriptor) [pid 6255] close(13) = -1 EBADF (Bad file descriptor) [pid 6255] close(14) = -1 EBADF (Bad file descriptor) [pid 6255] close(15) = -1 EBADF (Bad file descriptor) [pid 6255] close(16) = -1 EBADF (Bad file descriptor) [pid 6255] close(17) = -1 EBADF (Bad file descriptor) [pid 6255] close(18) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6255] close(19) = -1 EBADF (Bad file descriptor) [pid 6255] close(20 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] close(21 [pid 5080] lstat("./51/file0", [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] close(22 [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] close(23 [pid 5080] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6255] close(24) = -1 EBADF (Bad file descriptor) [pid 5080] openat(AT_FDCWD, "./51/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6255] close(25) = -1 EBADF (Bad file descriptor) [pid 5080] <... openat resumed>) = 4 [pid 6255] close(26) = -1 EBADF (Bad file descriptor) [pid 5080] fstat(4, [pid 6255] close(27) = -1 EBADF (Bad file descriptor) [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6255] close(28) = -1 EBADF (Bad file descriptor) [pid 5080] getdents64(4, [pid 6255] close(29) = -1 EBADF (Bad file descriptor) [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6255] exit_group(0 [pid 5080] getdents64(4, [pid 6268] <... futex resumed>) = ? [pid 6259] <... futex resumed>) = ? [pid 6255] <... exit_group resumed>) = ? [pid 6268] +++ exited with 0 +++ [pid 6259] +++ exited with 0 +++ [pid 6255] +++ exited with 0 +++ [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] close(4 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=141, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5080] <... close resumed>) = 0 [pid 5080] rmdir("./51/file0" [pid 5079] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 148.257322][ T6265] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 148.287279][ T6265] REISERFS (device loop5): using ordered data mode [pid 5080] <... rmdir resumed>) = 0 [pid 5079] fstat(3, [pid 5080] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./51/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./51/cgroup.cpu") = 0 [pid 5080] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] close(3) = 0 [pid 5080] rmdir("./51") = 0 [pid 5080] mkdir("./52", 0777) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6270] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... openat resumed>) = 3 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6270] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5079] getdents64(3, [pid 6270] <... futex resumed>) = 1 [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6270] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] close(3 [pid 5079] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./51/binderfs") = 0 [pid 5079] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./51/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] unlink("./51/cgroup") = 0 [pid 5079] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... close resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./51/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./51/cgroup.net" [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] <... unlink resumed>) = 0 [ 148.289187][ T6270] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 148.298933][ T6265] reiserfs: using flush barriers [ 148.342596][ T6265] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5079] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6272 attached [pid 6272] set_robust_list(0x5555565af5e0, 24) = 0 [pid 6272] chdir("./52") = 0 [pid 6272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6272] setpgid(0, 0) = 0 [pid 6272] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6272] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6272] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6272] write(3, "1000", 4) = 4 [pid 6272] close(3) = 0 [pid 6272] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6272] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6272] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6272] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[142], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 142 [pid 6272] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6272] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6273 attached [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 141 [pid 6254] <... futex resumed>) = 0 [pid 6254] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6273] set_robust_list(0x7f87c85109e0, 24 [pid 6254] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6273] <... set_robust_list resumed>) = 0 [ 148.366739][ T6267] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 148.381416][ T6265] REISERFS (device loop5): checking transaction log (loop5) [pid 6273] memfd_create("syzkaller", 0) = 3 [pid 6273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6254] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6256] <... futex resumed>) = 0 [pid 6256] unlink(NULL) = -1 EFAULT (Bad address) [pid 6256] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6254] close(3) = 0 [pid 6254] close(4) = -1 EBADF (Bad file descriptor) [pid 6254] close(5) = -1 EBADF (Bad file descriptor) [pid 6254] close(6) = -1 EBADF (Bad file descriptor) [pid 6254] close(7) = -1 EBADF (Bad file descriptor) [pid 6254] close(8) = -1 EBADF (Bad file descriptor) [pid 6254] close(9) = -1 EBADF (Bad file descriptor) [pid 6254] close(10) = -1 EBADF (Bad file descriptor) [pid 6254] close(11) = -1 EBADF (Bad file descriptor) [pid 6254] close(12) = -1 EBADF (Bad file descriptor) [pid 6254] close(13) = -1 EBADF (Bad file descriptor) [ 148.413641][ T6267] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 148.414125][ T6265] REISERFS (device loop5): Using r5 hash to sort names [ 148.429374][ T6267] REISERFS (device loop3): using ordered data mode [ 148.454452][ T6267] reiserfs: using flush barriers [pid 6254] close(14 [pid 6256] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6254] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6254] close(15) = -1 EBADF (Bad file descriptor) [pid 6254] close(16) = -1 EBADF (Bad file descriptor) [pid 6254] close(17) = -1 EBADF (Bad file descriptor) [pid 6254] close(18) = -1 EBADF (Bad file descriptor) [pid 6254] close(19) = -1 EBADF (Bad file descriptor) [pid 6254] close(20) = -1 EBADF (Bad file descriptor) [pid 6254] close(21) = -1 EBADF (Bad file descriptor) [pid 6254] close(22) = -1 EBADF (Bad file descriptor) [pid 6254] close(23) = -1 EBADF (Bad file descriptor) [pid 6254] close(24) = -1 EBADF (Bad file descriptor) [pid 6254] close(25) = -1 EBADF (Bad file descriptor) [pid 6254] close(26) = -1 EBADF (Bad file descriptor) [pid 6254] close(27) = -1 EBADF (Bad file descriptor) [pid 6254] close(28) = -1 EBADF (Bad file descriptor) [pid 6254] close(29) = -1 EBADF (Bad file descriptor) [pid 6254] exit_group(0 [pid 6270] <... futex resumed>) = ? [pid 6256] <... futex resumed>) = ? [pid 6254] <... exit_group resumed>) = ? [pid 6270] +++ exited with 0 +++ [ 148.487253][ T6265] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6256] +++ exited with 0 +++ [pid 6254] +++ exited with 0 +++ [pid 5083] <... umount2 resumed>) = 0 [pid 5083] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5078] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(3, [pid 5083] lstat("./50/file0", [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./50/binderfs") = 0 [pid 5083] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./50/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] lstat("./50/cgroup", [pid 5083] <... openat resumed>) = 4 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] fstat(4, [pid 5078] unlink("./50/cgroup" [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5083] getdents64(4, [pid 5078] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./50/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./50/cgroup.net") = 0 [pid 5083] getdents64(4, [pid 5078] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] close(4 [pid 6273] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5083] <... close resumed>) = 0 [pid 5083] rmdir("./50/file0") = 0 [pid 5083] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./50/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./50/cgroup.cpu") = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] close(3) = 0 [pid 5083] rmdir("./50") = 0 [ 148.532181][ T6267] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 148.577206][ T6265] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5083] mkdir("./51", 0777) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5083] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5083] close(3) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6274 attached , child_tidptr=0x5555565af5d0) = 143 [pid 6274] set_robust_list(0x5555565af5e0, 24) = 0 [pid 6274] chdir("./51") = 0 [pid 6265] <... mount resumed>) = 0 [pid 6274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6265] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6274] <... prctl resumed>) = 0 [pid 6274] setpgid(0, 0) = 0 [pid 6274] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6274] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6274] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6265] <... openat resumed>) = 3 [pid 6274] <... symlink resumed>) = 0 [pid 6265] chdir("./file0" [pid 6274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6265] <... chdir resumed>) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5079] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6274] <... openat resumed>) = 3 [ 148.623861][ T6267] REISERFS (device loop3): checking transaction log (loop3) [ 148.660803][ T6267] REISERFS (device loop3): Using r5 hash to sort names [pid 6265] ioctl(4, LOOP_CLR_FD [pid 6274] write(3, "1000", 4 [pid 6273] <... write resumed>) = 4194304 [pid 6265] <... ioctl resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = 0 [pid 6274] <... write resumed>) = 4 [pid 5079] lstat("./51/file0", [pid 5078] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6274] close(3 [pid 6265] close(4 [pid 5079] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./50/file0", [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] openat(AT_FDCWD, "./51/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... openat resumed>) = 4 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6274] <... close resumed>) = 0 [pid 6273] munmap(0x7f87c00f0000, 4194304 [pid 6265] <... close resumed>) = 0 [pid 5079] fstat(4, [pid 5078] openat(AT_FDCWD, "./50/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... openat resumed>) = 4 [pid 5079] getdents64(4, [pid 5078] fstat(4, [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(4, [pid 5078] getdents64(4, [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] close(4 [pid 5078] getdents64(4, [pid 5079] <... close resumed>) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] rmdir("./51/file0" [pid 5078] close(4 [pid 6274] read(200, [pid 6265] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 6274] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] rmdir("./50/file0" [pid 6274] symlink("/dev/binderfs", "./binderfs" [pid 6265] <... futex resumed>) = 1 [pid 6263] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... rmdir resumed>) = 0 [pid 5079] lstat("./51/cgroup.cpu", [pid 5078] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6274] <... symlink resumed>) = 0 [pid 6265] mkdir("./file1", 000 [pid 6263] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6274] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] unlink("./51/cgroup.cpu" [pid 5078] lstat("./50/cgroup.cpu", [pid 6263] <... futex resumed>) = 0 [pid 6274] <... futex resumed>) = 0 [pid 6265] <... mkdir resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6265] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] getdents64(3, [pid 5078] unlink("./50/cgroup.cpu" [pid 6274] <... mmap resumed>) = 0x7f87c84f0000 [pid 6273] <... munmap resumed>) = 0 [pid 6267] <... mount resumed>) = 0 [pid 6265] <... futex resumed>) = 0 [pid 6263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6273] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6267] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6265] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6274] <... mprotect resumed>) = 0 [pid 6273] <... openat resumed>) = 4 [pid 6267] <... openat resumed>) = 3 [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6263] <... futex resumed>) = 0 [pid 5079] close(3 [pid 5078] getdents64(3, [ 148.701502][ T6267] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 148.719464][ T6267] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 6274] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6273] ioctl(4, LOOP_SET_FD, 3 [pid 6267] chdir("./file0" [pid 6265] mkdir("./bus", 000 [pid 6263] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... close resumed>) = 0 ./strace-static-x86_64: Process 6275 attached [pid 5079] rmdir("./51" [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6275] set_robust_list(0x7f87c85109e0, 24 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] close(3 [pid 6275] <... set_robust_list resumed>) = 0 [pid 5079] mkdir("./52", 0777 [pid 5078] <... close resumed>) = 0 [pid 6275] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] <... mkdir resumed>) = 0 [pid 5078] rmdir("./50" [pid 6274] <... clone resumed>, parent_tid=[144], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 144 [pid 6265] <... mkdir resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6267] <... chdir resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 6274] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... openat resumed>) = 3 [pid 5078] mkdir("./51", 0777 [pid 6275] <... futex resumed>) = 0 [pid 6274] <... futex resumed>) = 1 [pid 6273] <... ioctl resumed>) = 0 [pid 6267] ioctl(4, LOOP_CLR_FD [pid 6265] <... futex resumed>) = 1 [pid 6263] <... futex resumed>) = 0 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5078] <... mkdir resumed>) = 0 [pid 6275] memfd_create("syzkaller", 0 [pid 6274] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6273] close(3 [pid 6267] <... ioctl resumed>) = 0 [pid 6265] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6275] <... memfd_create resumed>) = 3 [pid 6267] close(4 [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6263] <... futex resumed>) = 0 [pid 5079] close(3 [pid 5078] <... openat resumed>) = 3 [pid 6275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6273] <... close resumed>) = 0 [pid 6267] <... close resumed>) = 0 [pid 6265] mkdir("./file0", 000 [pid 6263] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... close resumed>) = 0 [pid 6273] mkdir("./file0", 0777 [pid 6267] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] <... mkdir resumed>) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6275] <... mmap resumed>) = 0x7f87c00f0000 [pid 6273] <... mkdir resumed>) = 0 [pid 6267] <... futex resumed>) = 1 [pid 6266] <... futex resumed>) = 0 [pid 6265] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6273] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6267] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] <... futex resumed>) = 1 [pid 6263] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6277 attached [pid 6266] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] close(3 [pid 6277] set_robust_list(0x5555565af5e0, 24 [pid 6267] <... futex resumed>) = 0 [pid 6266] <... futex resumed>) = 1 [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6263] <... futex resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 144 [pid 5078] <... close resumed>) = 0 [pid 6277] <... set_robust_list resumed>) = 0 [ 148.755179][ T6273] loop4: detected capacity change from 0 to 8192 [ 148.788202][ T6265] overlayfs: upper fs needs to support d_type. [pid 6267] mkdir("./file1", 000 [pid 6266] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6265] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6263] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6277] chdir("./52" [pid 6267] <... mkdir resumed>) = 0 [pid 6267] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6278 attached [pid 6277] <... chdir resumed>) = 0 [pid 6267] <... futex resumed>) = 1 [pid 6266] <... futex resumed>) = 0 [pid 6278] set_robust_list(0x5555565af5e0, 24 [pid 6277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6267] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6266] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 139 [pid 6278] <... set_robust_list resumed>) = 0 [pid 6277] <... prctl resumed>) = 0 [pid 6267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6266] <... futex resumed>) = 0 [pid 6278] chdir("./51" [pid 6277] setpgid(0, 0 [pid 6267] mkdir("./bus", 000 [pid 6266] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6278] <... chdir resumed>) = 0 [pid 6277] <... setpgid resumed>) = 0 [pid 6267] <... mkdir resumed>) = 0 [pid 6278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6277] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6267] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... prctl resumed>) = 0 [pid 6267] <... futex resumed>) = 1 [pid 6278] setpgid(0, 0 [pid 6267] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6278] <... setpgid resumed>) = 0 [pid 6277] <... symlink resumed>) = 0 [pid 6266] <... futex resumed>) = 0 [ 148.798663][ T6273] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6278] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6277] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6275] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6266] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... symlink resumed>) = 0 [pid 6278] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6278] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6277] <... symlink resumed>) = 0 [pid 6267] <... futex resumed>) = 0 [pid 6266] <... futex resumed>) = 1 [pid 6278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6277] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6267] mkdir("./file0", 000 [pid 6266] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6278] <... openat resumed>) = 3 [pid 6277] <... symlink resumed>) = 0 [pid 6267] <... mkdir resumed>) = 0 [pid 6278] write(3, "1000", 4 [pid 6277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6267] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... write resumed>) = 4 [pid 6267] <... futex resumed>) = 1 [pid 6278] close(3 [pid 6267] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6278] <... close resumed>) = 0 [pid 6277] <... openat resumed>) = 3 [pid 6266] <... futex resumed>) = 0 [pid 6278] read(200, [pid 6277] write(3, "1000", 4 [pid 6266] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] <... write resumed>) = 4 [pid 6267] <... futex resumed>) = 0 [pid 6266] <... futex resumed>) = 1 [pid 6278] symlink("/dev/binderfs", "./binderfs" [pid 6277] close(3 [ 148.847656][ T6265] overlayfs: upper fs does not support tmpfile. [ 148.862626][ T6265] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 148.864971][ T6273] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 148.891543][ T6267] overlayfs: upper fs needs to support d_type. [pid 6267] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6266] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6278] <... symlink resumed>) = 0 [pid 6277] <... close resumed>) = 0 [pid 6265] <... mount resumed>) = 0 [pid 6263] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6278] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] read(200, [pid 6265] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... futex resumed>) = 0 [pid 6277] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] <... futex resumed>) = 0 [pid 6263] <... futex resumed>) = 0 [pid 6278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6277] symlink("/dev/binderfs", "./binderfs" [pid 6265] mkdir(".", 0777 [pid 6263] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6278] <... mmap resumed>) = 0x7f87c84f0000 [pid 6277] <... symlink resumed>) = 0 [pid 6265] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6278] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6277] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6278] <... mprotect resumed>) = 0 [pid 6277] <... futex resumed>) = 0 [pid 6278] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6275] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 6279 attached [pid 6279] set_robust_list(0x7f87c85109e0, 24 [pid 6278] <... clone resumed>, parent_tid=[140], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 140 [pid 6279] <... set_robust_list resumed>) = 0 [pid 6278] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] memfd_create("syzkaller", 0 [pid 6278] <... futex resumed>) = 0 [pid 6279] <... memfd_create resumed>) = 3 [pid 6278] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6275] munmap(0x7f87c00f0000, 4194304 [pid 6277] <... mmap resumed>) = 0x7f87c84f0000 [pid 6275] <... munmap resumed>) = 0 [pid 6277] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6275] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6277] <... mprotect resumed>) = 0 [pid 6275] <... openat resumed>) = 4 [ 148.912360][ T6267] overlayfs: upper fs does not support tmpfile. [ 148.912951][ T6273] REISERFS (device loop4): using ordered data mode [ 148.928296][ T6273] reiserfs: using flush barriers [ 148.935708][ T6267] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 148.947524][ T6265] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6279] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6277] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6275] ioctl(4, LOOP_SET_FD, 3 [pid 6267] <... mount resumed>) = 0 [pid 6266] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6265] <... mount resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6280 attached [pid 6280] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 6280] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6277] <... clone resumed>, parent_tid=[145], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 145 [pid 6267] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... futex resumed>) = 0 [pid 6266] <... futex resumed>) = 0 [pid 6265] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... ioctl resumed>) = 0 [pid 6277] <... futex resumed>) = 1 [pid 6267] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6265] <... futex resumed>) = 1 [pid 6277] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6280] <... futex resumed>) = 0 [pid 6266] <... mmap resumed>) = 0x7f87c04cf000 [pid 6265] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] <... futex resumed>) = 0 [pid 6280] memfd_create("syzkaller", 0 [pid 6275] close(3 [pid 6266] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6263] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... memfd_create resumed>) = 3 [pid 6275] <... close resumed>) = 0 [pid 6266] <... mprotect resumed>) = 0 [pid 6265] <... futex resumed>) = 0 [pid 6263] <... futex resumed>) = 1 [pid 6280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6275] mkdir("./file0", 0777 [pid 6266] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6265] unlink(NULL [pid 6263] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... mmap resumed>) = 0x7f87c00f0000 [pid 6275] <... mkdir resumed>) = 0 [pid 6265] <... unlink resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 6281 attached [pid 6275] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6265] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] set_robust_list(0x7f87c04ef9e0, 24 [pid 6266] <... clone resumed>, parent_tid=[151], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 151 [pid 6265] <... futex resumed>) = 1 [pid 6263] <... futex resumed>) = 0 [pid 6281] <... set_robust_list resumed>) = 0 [pid 6266] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] close(3 [pid 6281] mkdir(".", 0777 [pid 6266] <... futex resumed>) = 0 [ 148.953907][ T6273] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 148.980300][ T6273] REISERFS (device loop4): checking transaction log (loop4) [ 148.988857][ T6275] loop2: detected capacity change from 0 to 8192 [pid 6263] <... close resumed>) = 0 [pid 6281] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6279] <... write resumed>) = 4194304 [pid 6266] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6263] close(4 [pid 6281] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6279] munmap(0x7f87c00f0000, 4194304 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6263] close(5) = -1 EBADF (Bad file descriptor) [pid 6263] close(6) = -1 EBADF (Bad file descriptor) [pid 6263] close(7) = -1 EBADF (Bad file descriptor) [pid 6263] close(8) = -1 EBADF (Bad file descriptor) [pid 6263] close(9) = -1 EBADF (Bad file descriptor) [pid 6263] close(10) = -1 EBADF (Bad file descriptor) [pid 6263] close(11) = -1 EBADF (Bad file descriptor) [pid 6263] close(12) = -1 EBADF (Bad file descriptor) [pid 6263] close(13) = -1 EBADF (Bad file descriptor) [pid 6263] close(14) = -1 EBADF (Bad file descriptor) [pid 6263] close(15) = -1 EBADF (Bad file descriptor) [pid 6263] close(16) = -1 EBADF (Bad file descriptor) [pid 6263] close(17 [pid 6279] <... munmap resumed>) = 0 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6279] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6263] close(18) = -1 EBADF (Bad file descriptor) [pid 6263] close(19) = -1 EBADF (Bad file descriptor) [pid 6263] close(20) = -1 EBADF (Bad file descriptor) [pid 6263] close(21) = -1 EBADF (Bad file descriptor) [pid 6263] close(22) = -1 EBADF (Bad file descriptor) [pid 6263] close(23) = -1 EBADF (Bad file descriptor) [pid 6263] close(24) = -1 EBADF (Bad file descriptor) [pid 6263] close(25) = -1 EBADF (Bad file descriptor) [pid 6263] close(26) = -1 EBADF (Bad file descriptor) [pid 6263] close(27) = -1 EBADF (Bad file descriptor) [pid 6263] close(28) = -1 EBADF (Bad file descriptor) [pid 6281] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... openat resumed>) = 4 [pid 6263] close(29 [pid 6281] <... futex resumed>) = 1 [pid 6279] ioctl(4, LOOP_SET_FD, 3 [pid 6266] <... futex resumed>) = 0 [pid 6263] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 149.026965][ T6275] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 149.050158][ T6281] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 149.053476][ T6275] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 6281] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6263] exit_group(0 [pid 6265] <... futex resumed>) = ? [pid 6263] <... exit_group resumed>) = ? [pid 6265] +++ exited with 0 +++ [pid 6263] +++ exited with 0 +++ [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=27 /* 0.27 s */} --- [pid 5082] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5082] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6266] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6267] <... futex resumed>) = 0 [pid 6266] <... futex resumed>) = 1 [pid 5082] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6279] <... ioctl resumed>) = 0 [pid 6267] unlink(NULL [pid 6266] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... openat resumed>) = 3 [pid 6279] close(3 [pid 6267] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5082] fstat(3, [pid 6279] <... close resumed>) = 0 [pid 6267] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6279] mkdir("./file0", 0777 [pid 6267] <... futex resumed>) = 1 [pid 6266] <... futex resumed>) = 0 [pid 5082] getdents64(3, [pid 6267] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6266] close(3 [pid 6279] <... mkdir resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6279] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6266] <... close resumed>) = 0 [pid 5082] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6266] close(4 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] unlink("./52/binderfs") = 0 [pid 5082] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./52/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] unlink("./52/cgroup") = 0 [pid 6280] <... write resumed>) = 4194304 [ 149.087803][ T6279] loop0: detected capacity change from 0 to 8192 [ 149.104740][ T6275] REISERFS (device loop2): using ordered data mode [ 149.112815][ T6273] REISERFS (device loop4): Using r5 hash to sort names [ 149.121072][ T6273] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5082] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6273] <... mount resumed>) = 0 [pid 6266] close(5 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./52/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./52/cgroup.net") = 0 [pid 5082] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6280] munmap(0x7f87c00f0000, 4194304 [pid 6273] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... munmap resumed>) = 0 [pid 6273] <... openat resumed>) = 3 [pid 6266] close(6 [pid 6280] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6273] chdir("./file0" [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 149.135497][ T6279] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 149.135755][ T6273] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 149.160314][ T6275] reiserfs: using flush barriers [ 149.167343][ T6279] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 149.178615][ T6279] REISERFS (device loop0): using ordered data mode [pid 6280] <... openat resumed>) = 4 [pid 6273] <... chdir resumed>) = 0 [ 149.186388][ T6279] reiserfs: using flush barriers [ 149.188593][ T6275] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 149.210361][ T6279] 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 [ 149.215734][ T6275] REISERFS (device loop2): checking transaction log (loop2) [pid 6266] close(7 [pid 6280] ioctl(4, LOOP_SET_FD, 3 [pid 6273] ioctl(4, LOOP_CLR_FD [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... ioctl resumed>) = 0 [pid 6266] close(8 [pid 6273] close(4 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... close resumed>) = 0 [pid 6266] close(9) = -1 EBADF (Bad file descriptor) [pid 6273] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] close(10 [pid 6273] <... futex resumed>) = 1 [pid 6272] <... futex resumed>) = 0 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6272] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] close(11 [pid 6273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] <... futex resumed>) = 0 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] mkdir("./file1", 000 [pid 6272] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6266] close(12 [pid 6273] <... mkdir resumed>) = 0 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] close(13 [pid 6273] <... futex resumed>) = 1 [pid 6272] <... futex resumed>) = 0 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6272] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] close(14 [pid 6273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] <... futex resumed>) = 0 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] mkdir("./bus", 000 [pid 6272] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6266] close(15 [pid 6273] <... mkdir resumed>) = 0 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 149.228491][ T6279] REISERFS (device loop0): checking transaction log (loop0) [ 149.242953][ T6280] loop1: detected capacity change from 0 to 8192 [ 149.245459][ T6279] REISERFS (device loop0): Using r5 hash to sort names [ 149.272233][ T6275] REISERFS (device loop2): Using r5 hash to sort names [pid 6273] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] close(16 [pid 6273] <... futex resumed>) = 1 [pid 6272] <... futex resumed>) = 0 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... ioctl resumed>) = 0 [pid 6280] close(3) = 0 [pid 6280] mkdir("./file0", 0777) = 0 [pid 6280] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6266] close(17 [pid 6272] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] mkdir("./file0", 000 [pid 6272] <... futex resumed>) = 0 [pid 6272] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6266] close(18 [pid 6273] <... mkdir resumed>) = 0 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] close(19) = -1 EBADF (Bad file descriptor) [pid 6272] <... futex resumed>) = 0 [pid 6273] <... futex resumed>) = 1 [pid 6266] close(20 [pid 6272] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6272] <... futex resumed>) = 0 [pid 6266] close(21 [pid 6272] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 149.272297][ T6279] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 149.282931][ T6275] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 149.299569][ T6279] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 6266] close(22) = -1 EBADF (Bad file descriptor) [pid 6266] close(23) = -1 EBADF (Bad file descriptor) [pid 6266] close(24) = -1 EBADF (Bad file descriptor) [pid 6266] close(25) = -1 EBADF (Bad file descriptor) [pid 6266] close(26) = -1 EBADF (Bad file descriptor) [pid 6266] close(27) = -1 EBADF (Bad file descriptor) [pid 6266] close(28) = -1 EBADF (Bad file descriptor) [pid 6266] close(29) = -1 EBADF (Bad file descriptor) [pid 6266] exit_group(0 [pid 6281] <... futex resumed>) = ? [pid 6267] <... futex resumed>) = ? [pid 6266] <... exit_group resumed>) = ? [pid 6267] +++ exited with 0 +++ [ 149.333694][ T6273] overlayfs: upper fs needs to support d_type. [pid 5082] <... umount2 resumed>) = 0 [pid 5082] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./52/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./52/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5082] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] close(4) = 0 [pid 5082] rmdir("./52/file0" [pid 6279] <... mount resumed>) = 0 [pid 6279] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5082] <... rmdir resumed>) = 0 [pid 6279] <... openat resumed>) = 3 [pid 6279] chdir("./file0") = 0 [pid 6279] ioctl(4, LOOP_CLR_FD) = 0 [pid 6279] close(4) = 0 [pid 6279] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6278] <... futex resumed>) = 0 [pid 6279] mkdir("./file1", 000 [pid 6278] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... mkdir resumed>) = 0 [pid 6278] <... futex resumed>) = 0 [pid 6279] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] <... futex resumed>) = 0 [pid 6278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6279] mkdir("./bus", 000 [pid 6278] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... mkdir resumed>) = 0 [pid 6278] <... futex resumed>) = 0 [pid 6279] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] <... futex resumed>) = 0 [pid 6278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6279] mkdir("./file0", 000 [pid 6278] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... mkdir resumed>) = 0 [pid 6278] <... futex resumed>) = 0 [pid 6279] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] <... futex resumed>) = 0 [pid 6278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6279] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6278] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5082] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6281] +++ exited with 0 +++ [pid 6266] +++ exited with 0 +++ [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./52/cgroup.cpu", [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=149, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./52/cgroup.cpu" [pid 6278] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... unlink resumed>) = 0 [pid 6272] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5081] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] unlink("./52/binderfs") = 0 [ 149.361204][ T6280] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 149.379106][ T6275] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 149.398939][ T6279] overlayfs: upper fs needs to support d_type. [pid 5082] getdents64(3, [pid 5081] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] close(3) = 0 [pid 5082] rmdir("./52") = 0 [pid 5082] mkdir("./53", 0777) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5082] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5082] close(3) = 0 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6285 attached [pid 6285] set_robust_list(0x5555565af5e0, 24 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 150 [pid 6285] <... set_robust_list resumed>) = 0 [pid 6285] chdir("./53") = 0 [pid 6285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6285] setpgid(0, 0) = 0 [pid 6285] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6285] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6278] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6275] <... mount resumed>) = 0 [pid 6273] <... mount resumed>) = 0 [pid 6272] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] lstat("./52/cgroup", [pid 6285] <... symlink resumed>) = 0 [pid 6285] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 6285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6285] write(3, "1000", 4) = 4 [pid 6285] close(3) = 0 [pid 6285] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6285] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6285] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6275] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6285] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6286 attached [pid 6286] set_robust_list(0x7f87c85109e0, 24 [pid 6285] <... clone resumed>, parent_tid=[151], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 151 [pid 6275] <... openat resumed>) = 3 [pid 5081] unlink("./52/cgroup" [pid 6286] <... set_robust_list resumed>) = 0 [pid 6285] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [ 149.405614][ T6273] overlayfs: upper fs does not support tmpfile. [ 149.412521][ T6280] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 149.423216][ T6280] REISERFS (device loop1): using ordered data mode [ 149.430277][ T6280] reiserfs: using flush barriers [ 149.439219][ T6273] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 149.451590][ T6279] overlayfs: upper fs does not support tmpfile. [pid 6275] chdir("./file0" [pid 6273] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... futex resumed>) = 0 [pid 6286] memfd_create("syzkaller", 0 [pid 6285] <... futex resumed>) = 0 [pid 6278] <... futex resumed>) = 0 [pid 6275] <... chdir resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 6286] <... memfd_create resumed>) = 3 [pid 6285] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6275] ioctl(4, LOOP_CLR_FD [pid 6273] <... futex resumed>) = 0 [pid 6272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6279] <... mount resumed>) = 0 [pid 6278] <... mmap resumed>) = 0x7f87c04cf000 [pid 6275] <... ioctl resumed>) = 0 [pid 6273] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6272] <... mmap resumed>) = 0x7f87c04cf000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6279] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6275] close(4 [pid 6272] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5081] lstat("./52/cgroup.net", [pid 6278] <... mprotect resumed>) = 0 [pid 6279] <... futex resumed>) = 0 [pid 6275] <... close resumed>) = 0 [pid 6272] <... mprotect resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6279] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6278] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6275] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] unlink("./52/cgroup.net") = 0 [pid 6275] <... futex resumed>) = 1 [pid 6274] <... futex resumed>) = 0 [pid 6275] mkdir("./file1", 000 [pid 6274] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6287 attached ./strace-static-x86_64: Process 6288 attached [pid 6287] set_robust_list(0x7f87c04ef9e0, 24 [pid 6278] <... clone resumed>, parent_tid=[141], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 141 [pid 6274] <... futex resumed>) = 0 [pid 6274] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6288] set_robust_list(0x7f87c04ef9e0, 24 [pid 6287] <... set_robust_list resumed>) = 0 [pid 6275] <... mkdir resumed>) = 0 [pid 6272] <... clone resumed>, parent_tid=[143], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 143 [pid 5081] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6278] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... set_robust_list resumed>) = 0 [pid 6287] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6288] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 6288] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6286] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6278] <... futex resumed>) = 0 [pid 6275] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6275] <... futex resumed>) = 1 [pid 6274] <... futex resumed>) = 0 [pid 6287] <... futex resumed>) = 0 [ 149.464916][ T6279] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 149.481905][ T6280] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 149.503321][ T6280] REISERFS (device loop1): checking transaction log (loop1) [pid 6275] mkdir("./bus", 000 [pid 6274] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... futex resumed>) = 1 [pid 6287] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 6275] <... mkdir resumed>) = 0 [pid 6274] <... futex resumed>) = 0 [pid 6272] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6287] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6275] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6286] <... write resumed>) = 4194304 [pid 6275] <... futex resumed>) = 0 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6275] mkdir("./file0", 000 [pid 6274] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6275] <... mkdir resumed>) = 0 [pid 6286] munmap(0x7f87c00f0000, 4194304 [pid 6275] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 149.573111][ T6287] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 149.582003][ T6280] REISERFS (device loop1): Using r5 hash to sort names [ 149.589773][ T6288] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6274] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6286] <... munmap resumed>) = 0 [pid 6275] <... futex resumed>) = 0 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6286] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6275] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6274] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6287] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6287] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6288] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6288] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6288] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6286] <... openat resumed>) = 4 [pid 6286] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6278] <... futex resumed>) = 0 [pid 6274] <... futex resumed>) = 0 [pid 6272] <... futex resumed>) = 0 [pid 6286] close(3 [pid 6278] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... close resumed>) = 0 [pid 6286] mkdir("./file0", 0777 [pid 6272] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 0 [ 149.596528][ T6280] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 149.629088][ T6280] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 149.634201][ T6286] loop5: detected capacity change from 0 to 8192 [ 149.641825][ T6275] overlayfs: upper fs needs to support d_type. [ 149.656899][ T6275] overlayfs: upper fs does not support tmpfile. [pid 6286] <... mkdir resumed>) = 0 [pid 6280] <... mount resumed>) = 0 [pid 6279] <... futex resumed>) = 0 [pid 6278] <... futex resumed>) = 1 [pid 6274] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6273] unlink(NULL [pid 6272] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6278] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] unlink(NULL [pid 6273] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6286] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6279] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6273] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... futex resumed>) = 0 [pid 6273] <... futex resumed>) = 1 [pid 6279] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] close(3 [pid 6278] <... futex resumed>) = 0 [pid 6279] <... futex resumed>) = 1 [pid 6273] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6272] <... close resumed>) = 0 [pid 6278] close(3 [pid 6279] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6272] close(4 [pid 6278] <... close resumed>) = 0 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(5 [pid 6278] close(4 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(5 [ 149.669641][ T6275] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6272] close(6 [pid 6280] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = 0 [pid 5081] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./52/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6280] <... openat resumed>) = 3 [pid 6278] close(6 [pid 6275] <... mount resumed>) = 0 [pid 6272] close(7 [pid 5081] openat(AT_FDCWD, "./52/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5081] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5081] close(4) = 0 [pid 5081] rmdir("./52/file0") = 0 [pid 6275] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6275] <... futex resumed>) = 1 [pid 6274] <... futex resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6275] mkdir(".", 0777 [pid 6274] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] lstat("./52/cgroup.cpu", [pid 6275] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6274] <... futex resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6275] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6274] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] unlink("./52/cgroup.cpu") = 0 [pid 5081] getdents64(3, [pid 6280] chdir("./file0" [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... chdir resumed>) = 0 [pid 6278] close(7 [pid 6272] close(8 [pid 5081] close(3) = 0 [pid 5081] rmdir("./52") = 0 [pid 5081] mkdir("./53", 0777) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5081] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5081] close(3 [pid 6280] ioctl(4, LOOP_CLR_FD [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 149.697779][ T6286] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 149.713940][ T6286] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 149.727448][ T6286] REISERFS (device loop5): using ordered data mode [pid 6280] <... ioctl resumed>) = 0 [pid 6278] close(8 [pid 6272] close(9 [pid 5081] <... close resumed>) = 0 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6290 attached [pid 6280] close(4 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 152 [pid 6280] <... close resumed>) = 0 [pid 6278] close(9 [pid 6272] close(10 [pid 6290] set_robust_list(0x5555565af5e0, 24 [pid 6280] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(10 [pid 6272] close(11 [pid 6280] <... futex resumed>) = 1 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... futex resumed>) = 0 [pid 6290] <... set_robust_list resumed>) = 0 [pid 6280] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6278] close(11 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] chdir("./53" [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6275] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6272] close(12 [pid 6275] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... futex resumed>) = 0 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] mkdir("./file1", 000 [pid 6278] close(12 [pid 6277] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6275] <... futex resumed>) = 1 [pid 6274] <... futex resumed>) = 0 [pid 6272] close(13 [pid 6280] <... mkdir resumed>) = 0 [pid 6275] unlink(NULL [pid 6274] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... futex resumed>) = 0 [pid 6275] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... chdir resumed>) = 0 [pid 6280] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] close(13 [pid 6274] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] close(14 [pid 6275] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6280] <... futex resumed>) = 1 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... futex resumed>) = 0 [pid 6275] <... futex resumed>) = 0 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(14 [pid 6274] close(3 [pid 6272] close(15 [pid 6275] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6290] <... prctl resumed>) = 0 [pid 6280] mkdir("./bus", 000 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... close resumed>) = 0 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... futex resumed>) = 0 [pid 6280] <... mkdir resumed>) = 0 [pid 6277] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] close(16 [pid 6278] close(15 [pid 6290] setpgid(0, 0 [pid 6280] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6274] close(4 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... setpgid resumed>) = 0 [pid 6280] <... futex resumed>) = 0 [pid 6278] close(16 [pid 6277] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(17 [pid 6290] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6280] mkdir("./file0", 000 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... futex resumed>) = 0 [pid 6274] close(5 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... symlink resumed>) = 0 [pid 6272] close(18 [pid 6290] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6278] close(17 [pid 6277] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 149.735939][ T6275] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 149.757778][ T6286] reiserfs: using flush barriers [pid 6290] <... symlink resumed>) = 0 [pid 6280] <... mkdir resumed>) = 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(6 [pid 6272] close(19 [pid 6290] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6280] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] close(18 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... symlink resumed>) = 0 [pid 6290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6280] <... futex resumed>) = 1 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... futex resumed>) = 0 [pid 6274] close(7 [pid 6272] close(20 [pid 6290] <... openat resumed>) = 3 [pid 6280] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6278] close(19 [pid 6277] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... futex resumed>) = 0 [pid 6274] close(8 [pid 6272] close(21 [pid 6277] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6278] close(20 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] write(3, "1000", 4 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(9 [pid 6272] close(22 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... write resumed>) = 4 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(10 [pid 6290] close(3 [pid 6278] close(21 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(23 [pid 6278] close(22 [pid 6274] close(11 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(24 [pid 6278] close(23 [pid 6290] <... close resumed>) = 0 [pid 6274] close(12 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(25 [pid 6290] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6278] close(24 [pid 6274] close(13 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] symlink("/dev/binderfs", "./binderfs" [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(26 [pid 6290] <... symlink resumed>) = 0 [pid 6278] close(25 [pid 6274] close(14 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(27 [pid 6290] <... futex resumed>) = 0 [pid 6278] close(26 [pid 6274] close(15 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 149.780065][ T6286] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 149.810340][ T6280] overlayfs: upper fs needs to support d_type. [ 149.816740][ T6286] REISERFS (device loop5): checking transaction log (loop5) [ 149.835488][ T6286] REISERFS (device loop5): Using r5 hash to sort names [pid 6290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(28 [pid 6290] <... mmap resumed>) = 0x7f87c84f0000 [pid 6278] close(27 [pid 6277] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6274] close(16 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... mount resumed>) = 0 [pid 6280] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6280] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6290] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(29 [pid 6290] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6291 attached [pid 6278] close(28 [pid 6274] close(17 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] <... futex resumed>) = 1 [pid 6291] set_robust_list(0x7f87c85109e0, 24 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] exit_group(0 [pid 6291] <... set_robust_list resumed>) = 0 [pid 6278] close(29 [pid 6274] close(18 [pid 6272] <... exit_group resumed>) = ? [pid 6273] <... futex resumed>) = ? [pid 6291] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6290] <... clone resumed>, parent_tid=[153], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 153 [pid 6287] <... futex resumed>) = ? [pid 6286] <... mount resumed>) = 0 [pid 6280] <... futex resumed>) = 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] +++ exited with 0 +++ [pid 6290] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] +++ exited with 0 +++ [pid 6280] mkdir(".", 0777 [pid 6278] exit_group(0 [pid 6274] close(19 [pid 6272] +++ exited with 0 +++ [pid 6291] <... futex resumed>) = 0 [pid 6290] <... futex resumed>) = 1 [pid 6288] <... futex resumed>) = ? [pid 6286] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6280] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6279] <... futex resumed>) = ? [pid 6278] <... exit_group resumed>) = ? [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] memfd_create("syzkaller", 0 [pid 6290] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6288] +++ exited with 0 +++ [pid 6280] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6274] close(20 [pid 6291] <... memfd_create resumed>) = 3 [pid 6291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6279] +++ exited with 0 +++ [pid 6278] +++ exited with 0 +++ [ 149.844472][ T6280] overlayfs: upper fs does not support tmpfile. [ 149.853553][ T6286] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 149.862502][ T6280] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 149.871256][ T6286] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 6291] <... mmap resumed>) = 0x7f87c00f0000 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=141, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=139, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 6274] close(21 [pid 6286] <... openat resumed>) = 3 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6280] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6286] chdir("./file0") = 0 [pid 6286] ioctl(4, LOOP_CLR_FD) = 0 [pid 6286] close(4) = 0 [pid 6280] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] close(22 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6280] <... futex resumed>) = 1 [pid 6277] <... futex resumed>) = 0 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6280] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6277] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] close(23) = -1 EBADF (Bad file descriptor) [pid 5080] <... openat resumed>) = 3 [pid 6277] <... futex resumed>) = 0 [pid 6274] close(24 [pid 5080] fstat(3, [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6280] unlink(NULL [pid 6274] close(25 [pid 5080] getdents64(3, [pid 6280] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6274] close(26 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6280] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6277] <... futex resumed>) = 0 [pid 6274] close(27 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6280] <... futex resumed>) = 1 [pid 6277] close(3 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./52/binderfs", [pid 6277] <... close resumed>) = 0 [pid 6274] close(28 [pid 5078] <... openat resumed>) = 3 [pid 6280] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6277] close(4 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] fstat(3, [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] close(29 [pid 5080] unlink("./52/binderfs" [pid 6277] close(5 [pid 6274] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6291] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6286] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] exit_group(0 [pid 5080] <... unlink resumed>) = 0 [pid 5078] getdents64(3, [pid 6286] <... futex resumed>) = 1 [pid 6285] <... futex resumed>) = 0 [pid 6277] close(6 [pid 6275] <... futex resumed>) = ? [pid 6274] <... exit_group resumed>) = ? [pid 5080] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6286] mkdir("./file1", 000 [pid 6285] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] +++ exited with 0 +++ [pid 6274] +++ exited with 0 +++ [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6286] <... mkdir resumed>) = 0 [pid 6285] <... futex resumed>) = 0 [pid 6277] close(7 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=143, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5080] lstat("./52/cgroup", [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6286] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] lstat("./51/binderfs", [pid 6286] <... futex resumed>) = 0 [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6277] close(8 [pid 5080] unlink("./52/cgroup" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6286] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... unlink resumed>) = 0 [pid 5078] unlink("./51/binderfs" [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] <... futex resumed>) = 0 [pid 6277] close(9 [pid 5080] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... unlink resumed>) = 0 [pid 6286] mkdir("./bus", 000 [pid 6285] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6286] <... mkdir resumed>) = 0 [pid 6277] close(10 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./52/cgroup.net", [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6286] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] lstat("./51/cgroup", [pid 6286] <... futex resumed>) = 1 [pid 6285] <... futex resumed>) = 0 [pid 6277] close(11 [pid 5083] <... openat resumed>) = 3 [pid 5080] unlink("./52/cgroup.net" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6286] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 149.913955][ T6280] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5083] fstat(3, [pid 5080] <... unlink resumed>) = 0 [pid 5078] unlink("./51/cgroup" [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] <... futex resumed>) = 0 [pid 6277] close(12 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... unlink resumed>) = 0 [pid 6286] mkdir("./file0", 000 [pid 6285] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] getdents64(3, [pid 5078] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6286] <... mkdir resumed>) = 0 [pid 6277] close(13 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6286] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./51/cgroup.net", [pid 6286] <... futex resumed>) = 1 [pid 6285] <... futex resumed>) = 0 [pid 6277] close(14 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6286] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./51/binderfs", [pid 5078] unlink("./51/cgroup.net" [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] <... futex resumed>) = 0 [pid 6277] close(15 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6286] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6285] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] unlink("./51/binderfs" [pid 5078] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6277] close(16 [pid 5083] <... unlink resumed>) = 0 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6277] close(17 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./51/cgroup", [pid 6277] close(18 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] unlink("./51/cgroup" [pid 6277] close(19 [pid 5083] <... unlink resumed>) = 0 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6277] close(20 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./51/cgroup.net", [pid 6277] close(21 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] unlink("./51/cgroup.net" [pid 6277] close(22) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 6277] close(23 [pid 5083] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6277] close(24) = -1 EBADF (Bad file descriptor) [pid 6277] close(25) = -1 EBADF (Bad file descriptor) [pid 6277] close(26) = -1 EBADF (Bad file descriptor) [pid 6277] close(27) = -1 EBADF (Bad file descriptor) [pid 6277] close(28) = -1 EBADF (Bad file descriptor) [pid 6277] close(29) = -1 EBADF (Bad file descriptor) [pid 6277] exit_group(0) = ? [pid 6280] <... futex resumed>) = ? [pid 6280] +++ exited with 0 +++ [pid 6277] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 6285] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6285] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6285] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6285] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5079] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5079] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./52/binderfs") = 0 [pid 5079] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./52/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] unlink("./52/cgroup") = 0 [pid 5079] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 150.005011][ T6286] overlayfs: upper fs needs to support d_type. [ 150.033991][ T6286] overlayfs: upper fs does not support tmpfile. [ 150.043974][ T6286] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5079] lstat("./52/cgroup.net", [pid 6291] <... write resumed>) = 4194304 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./52/cgroup.net"./strace-static-x86_64: Process 6292 attached [pid 6291] munmap(0x7f87c00f0000, 4194304 [pid 6286] <... mount resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6292] set_robust_list(0x7f87c04ef9e0, 24 [pid 5079] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6292] <... set_robust_list resumed>) = 0 [pid 6292] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6291] <... munmap resumed>) = 0 [pid 6291] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6291] ioctl(4, LOOP_SET_FD, 3 [pid 6285] <... clone resumed>, parent_tid=[152], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 152 [pid 6285] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6292] <... futex resumed>) = 0 [pid 6292] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 6292] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6285] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6286] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6286] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6291] <... ioctl resumed>) = 0 [pid 6291] close(3) = 0 [ 150.099073][ T6291] loop3: detected capacity change from 0 to 8192 [pid 6291] mkdir("./file0", 0777) = 0 [pid 5080] <... umount2 resumed>) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 6291] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5080] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./52/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] lstat("./51/file0", [pid 5080] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 150.154699][ T6292] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 150.179339][ T6291] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5078] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] openat(AT_FDCWD, "./52/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... openat resumed>) = 4 [pid 5078] openat(AT_FDCWD, "./51/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... openat resumed>) = 4 [pid 5080] getdents64(4, [pid 5078] fstat(4, [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(4, [pid 5078] getdents64(4, [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] close(4 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] <... close resumed>) = 0 [pid 5078] getdents64(4, [pid 5080] rmdir("./52/file0" [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 5078] close(4 [pid 5080] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] rmdir("./51/file0" [pid 5080] lstat("./52/cgroup.cpu", [pid 5078] <... rmdir resumed>) = 0 [pid 6292] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... umount2 resumed>) = 0 [ 150.202543][ T6291] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 150.223423][ T6291] REISERFS (device loop3): using ordered data mode [ 150.231955][ T6291] reiserfs: using flush barriers [pid 5079] <... umount2 resumed>) = 0 [pid 5083] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./51/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./51/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6292] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] unlink("./52/cgroup.cpu" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] fstat(4, [pid 5080] <... unlink resumed>) = 0 [pid 5078] lstat("./51/cgroup.cpu", [pid 6292] <... futex resumed>) = 1 [pid 5080] getdents64(3, [pid 6292] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] unlink("./51/cgroup.cpu" [pid 5080] close(3 [pid 5078] <... unlink resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 5078] getdents64(3, [pid 5080] rmdir("./52" [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 5078] close(3 [pid 5080] mkdir("./53", 0777 [pid 5078] <... close resumed>) = 0 [pid 5083] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] <... mkdir resumed>) = 0 [pid 5078] rmdir("./51" [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5083] getdents64(4, [pid 5078] <... rmdir resumed>) = 0 [pid 5080] <... openat resumed>) = 3 [pid 5078] mkdir("./52", 0777 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5080] close(3) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5083] close(4) = 0 [pid 5083] rmdir("./51/file0") = 0 [pid 5083] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./51/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./51/cgroup.cpu") = 0 [pid 6285] <... futex resumed>) = 0 [pid 6285] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... futex resumed>) = 0 [pid 6285] <... futex resumed>) = 1 [pid 6286] unlink(NULL [pid 6285] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6286] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5083] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6294 attached [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6294] set_robust_list(0x5555565af5e0, 24 [pid 5083] close(3 [pid 6294] <... set_robust_list resumed>) = 0 [pid 6286] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... close resumed>) = 0 [pid 6294] chdir("./53" [pid 6286] <... futex resumed>) = 1 [pid 6285] <... futex resumed>) = 0 [pid 5083] rmdir("./51" [pid 5079] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6294] <... chdir resumed>) = 0 [pid 6286] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] close(3 [pid 5083] <... rmdir resumed>) = 0 [pid 6294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6285] <... close resumed>) = 0 [pid 5083] mkdir("./52", 0777 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6294] <... prctl resumed>) = 0 [pid 6285] close(4 [pid 5083] <... mkdir resumed>) = 0 [pid 6294] setpgid(0, 0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5079] lstat("./52/file0", [pid 6294] <... setpgid resumed>) = 0 [pid 6285] close(5 [pid 5083] <... openat resumed>) = 3 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6294] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 144 [pid 5079] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] close(3 [pid 6294] <... symlink resumed>) = 0 [pid 6285] close(6 [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... close resumed>) = 0 [pid 6294] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(3 [pid 5079] openat(AT_FDCWD, "./52/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6294] <... symlink resumed>) = 0 [pid 6285] close(7 [pid 5083] <... close resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 6294] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] fstat(4, ./strace-static-x86_64: Process 6296 attached ./strace-static-x86_64: Process 6295 attached [pid 6294] <... symlink resumed>) = 0 [pid 6285] close(8 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6296] set_robust_list(0x5555565af5e0, 24 [pid 6295] set_robust_list(0x5555565af5e0, 24 [ 150.243069][ T6291] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 150.288079][ T6291] REISERFS (device loop3): checking transaction log (loop3) [pid 6294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 145 [pid 5079] getdents64(4, [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 142 [pid 6296] <... set_robust_list resumed>) = 0 [pid 6294] <... openat resumed>) = 3 [pid 6285] close(9 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6296] chdir("./52" [pid 6294] write(3, "1000", 4 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 6296] <... chdir resumed>) = 0 [pid 6294] <... write resumed>) = 4 [pid 6285] close(10 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6294] close(3 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(4 [pid 6296] <... prctl resumed>) = 0 [pid 6294] <... close resumed>) = 0 [pid 6285] close(11 [pid 5079] <... close resumed>) = 0 [pid 6296] setpgid(0, 0 [pid 6295] <... set_robust_list resumed>) = 0 [pid 6294] read(200, [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./52/file0" [pid 6296] <... setpgid resumed>) = 0 [pid 6295] chdir("./52" [pid 6294] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] close(12 [pid 5079] <... rmdir resumed>) = 0 [pid 6296] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6295] <... chdir resumed>) = 0 [pid 6294] symlink("/dev/binderfs", "./binderfs" [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6296] <... symlink resumed>) = 0 [pid 6295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6294] <... symlink resumed>) = 0 [pid 6285] close(13 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6295] <... prctl resumed>) = 0 [pid 6294] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./52/cgroup.cpu", [pid 6296] <... symlink resumed>) = 0 [pid 6295] setpgid(0, 0 [pid 6294] <... futex resumed>) = 0 [pid 6285] close(14 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6296] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6295] <... setpgid resumed>) = 0 [pid 6294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./52/cgroup.cpu" [pid 6296] <... symlink resumed>) = 0 [pid 6294] <... mmap resumed>) = 0x7f87c84f0000 [pid 6285] close(15 [pid 5079] <... unlink resumed>) = 0 [pid 6296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6295] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6294] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 6296] <... openat resumed>) = 3 [pid 6295] <... symlink resumed>) = 0 [pid 6294] <... mprotect resumed>) = 0 [pid 6285] close(16 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6296] write(3, "1000", 4 [pid 6295] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6294] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(3./strace-static-x86_64: Process 6297 attached [pid 6296] <... write resumed>) = 4 [pid 6295] <... symlink resumed>) = 0 [pid 6285] close(17 [pid 5079] <... close resumed>) = 0 [pid 6297] set_robust_list(0x7f87c85109e0, 24 [pid 6296] close(3 [pid 6294] <... clone resumed>, parent_tid=[145], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 145 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./52" [pid 6297] <... set_robust_list resumed>) = 0 [pid 6296] <... close resumed>) = 0 [pid 6294] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] close(18 [pid 5079] <... rmdir resumed>) = 0 [pid 6297] memfd_create("syzkaller", 0 [pid 6296] read(200, [pid 6294] <... futex resumed>) = 0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] mkdir("./53", 0777 [pid 6297] <... memfd_create resumed>) = 3 [pid 6296] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6285] close(19 [pid 5079] <... mkdir resumed>) = 0 [pid 6297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6296] symlink("/dev/binderfs", "./binderfs" [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 150.321018][ T6291] REISERFS (device loop3): Using r5 hash to sort names [ 150.353240][ T6291] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6297] <... mmap resumed>) = 0x7f87c00f0000 [pid 6296] <... symlink resumed>) = 0 [pid 6285] close(20 [pid 5079] <... openat resumed>) = 3 [pid 6296] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6296] <... futex resumed>) = 0 [pid 6285] close(21 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(3 [pid 6296] <... mmap resumed>) = 0x7f87c84f0000 [pid 6285] close(22 [pid 5079] <... close resumed>) = 0 [pid 6296] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6295] <... symlink resumed>) = 0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6298 attached [pid 6296] <... mprotect resumed>) = 0 [pid 6285] close(23 [pid 6298] set_robust_list(0x5555565af5e0, 24 [pid 6296] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 146 ./strace-static-x86_64: Process 6299 attached [pid 6298] <... set_robust_list resumed>) = 0 [pid 6295] <... openat resumed>) = 3 [pid 6285] close(24 [pid 6299] set_robust_list(0x7f87c85109e0, 24 [pid 6298] chdir("./53" [pid 6296] <... clone resumed>, parent_tid=[146], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 146 [pid 6295] write(3, "1000", 4 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... set_robust_list resumed>) = 0 [pid 6298] <... chdir resumed>) = 0 [pid 6296] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... write resumed>) = 4 [pid 6285] close(25 [pid 6298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6296] <... futex resumed>) = 0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] memfd_create("syzkaller", 0 [pid 6295] close(3 [pid 6299] <... memfd_create resumed>) = 3 [pid 6298] <... prctl resumed>) = 0 [pid 6296] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6285] close(26 [pid 6295] <... close resumed>) = 0 [pid 6299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6298] setpgid(0, 0 [pid 6295] read(200, [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] <... mmap resumed>) = 0x7f87c00f0000 [pid 6298] <... setpgid resumed>) = 0 [pid 6295] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6285] close(27 [pid 6298] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6295] symlink("/dev/binderfs", "./binderfs" [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... symlink resumed>) = 0 [pid 6285] close(28 [pid 6298] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6295] <... symlink resumed>) = 0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... symlink resumed>) = 0 [pid 6295] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] close(29 [pid 6298] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6295] <... futex resumed>) = 0 [pid 6291] <... mount resumed>) = 0 [pid 6285] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] <... symlink resumed>) = 0 [pid 6295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6291] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6285] exit_group(0 [pid 6298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6295] <... mmap resumed>) = 0x7f87c84f0000 [pid 6292] <... futex resumed>) = ? [pid 6291] <... openat resumed>) = 3 [pid 6286] <... futex resumed>) = ? [pid 6285] <... exit_group resumed>) = ? [pid 6298] <... openat resumed>) = 3 [pid 6295] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6292] +++ exited with 0 +++ [pid 6291] chdir("./file0" [pid 6286] +++ exited with 0 +++ [pid 6285] +++ exited with 0 +++ [pid 6298] write(3, "1000", 4 [pid 6295] <... mprotect resumed>) = 0 [pid 6291] <... chdir resumed>) = 0 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 6298] <... write resumed>) = 4 [pid 6295] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 150.370207][ T6291] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 6291] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 6300 attached [pid 6298] close(3 [pid 6291] <... ioctl resumed>) = 0 [pid 6300] set_robust_list(0x7f87c85109e0, 24 [pid 6298] <... close resumed>) = 0 [pid 6295] <... clone resumed>, parent_tid=[143], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 143 [pid 6291] close(4 [pid 6300] <... set_robust_list resumed>) = 0 [pid 6298] read(200, [pid 6295] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] <... close resumed>) = 0 [pid 6298] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6298] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6298] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6298] <... futex resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6298] <... mmap resumed>) = 0x7f87c84f0000 [pid 5082] <... openat resumed>) = 3 [pid 6298] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5082] fstat(3, [pid 6298] <... mprotect resumed>) = 0 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6298] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] getdents64(3, ./strace-static-x86_64: Process 6301 attached 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6301] set_robust_list(0x7f87c85109e0, 24 [pid 6300] memfd_create("syzkaller", 0 [pid 6298] <... clone resumed>, parent_tid=[147], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 147 [pid 6295] <... futex resumed>) = 0 [pid 6291] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6301] <... set_robust_list resumed>) = 0 [pid 6300] <... memfd_create resumed>) = 3 [pid 6298] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6291] <... futex resumed>) = 1 [pid 6290] <... futex resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6301] memfd_create("syzkaller", 0 [pid 6300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6298] <... futex resumed>) = 0 [pid 6291] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6290] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] lstat("./53/binderfs", [pid 6301] <... memfd_create resumed>) = 3 [pid 6300] <... mmap resumed>) = 0x7f87c00f0000 [pid 6298] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6290] <... futex resumed>) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6290] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] unlink("./53/binderfs" [pid 6301] <... mmap resumed>) = 0x7f87c00f0000 [pid 6291] mkdir("./file1", 000 [pid 5082] <... unlink resumed>) = 0 [pid 5082] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6291] <... mkdir resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6291] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] lstat("./53/cgroup", [pid 6299] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6291] <... futex resumed>) = 1 [pid 6290] <... futex resumed>) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6291] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6290] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] unlink("./53/cgroup" [pid 6291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6290] <... futex resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 6291] mkdir("./bus", 000 [pid 6290] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6291] <... mkdir resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6291] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] lstat("./53/cgroup.net", [pid 6291] <... futex resumed>) = 1 [pid 6290] <... futex resumed>) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6291] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6290] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] unlink("./53/cgroup.net" [pid 6291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6290] <... futex resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 6291] mkdir("./file0", 000 [pid 6290] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6291] <... mkdir resumed>) = 0 [pid 6291] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6291] <... futex resumed>) = 1 [pid 6290] <... futex resumed>) = 0 [pid 6291] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6290] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6290] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 150.541920][ T6291] overlayfs: upper fs needs to support d_type. [ 150.578129][ T6291] overlayfs: upper fs does not support tmpfile. [pid 6301] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6290] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6290] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6299] <... write resumed>) = 4194304 [pid 6290] <... mmap resumed>) = 0x7f87c04cf000 [pid 6290] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6299] munmap(0x7f87c00f0000, 4194304 [pid 6290] <... mprotect resumed>) = 0 [pid 6299] <... munmap resumed>) = 0 [pid 6290] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6302 attached [pid 6299] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5082] <... umount2 resumed>) = 0 [pid 6302] set_robust_list(0x7f87c04ef9e0, 24 [pid 6299] <... openat resumed>) = 4 [pid 6290] <... clone resumed>, parent_tid=[154], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 154 [pid 6302] <... set_robust_list resumed>) = 0 [pid 6299] ioctl(4, LOOP_SET_FD, 3 [ 150.617684][ T6291] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6290] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] mkdir(".", 0777 [pid 5082] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./53/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6302] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6290] <... futex resumed>) = 0 [pid 6302] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6299] <... ioctl resumed>) = 0 [pid 6297] <... write resumed>) = 4194304 [pid 6291] <... mount resumed>) = 0 [pid 6290] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6299] close(3 [pid 6291] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] openat(AT_FDCWD, "./53/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6299] <... close resumed>) = 0 [pid 6291] <... futex resumed>) = 0 [pid 5082] <... openat resumed>) = 4 [pid 6291] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] fstat(4, [pid 6299] mkdir("./file0", 0777 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6299] <... mkdir resumed>) = 0 [pid 5082] getdents64(4, [pid 6299] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] close(4) = 0 [pid 5082] rmdir("./53/file0") = 0 [pid 5082] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6300] <... write resumed>) = 4194304 [pid 5082] lstat("./53/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./53/cgroup.cpu") = 0 [pid 5082] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5082] close(3) = 0 [pid 5082] rmdir("./53" [pid 6297] munmap(0x7f87c00f0000, 4194304 [pid 5082] <... rmdir resumed>) = 0 [pid 6300] munmap(0x7f87c00f0000, 4194304 [pid 6297] <... munmap resumed>) = 0 [pid 5082] mkdir("./54", 0777 [pid 6300] <... munmap resumed>) = 0 [pid 5082] <... mkdir resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 6297] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 150.659751][ T6299] loop2: detected capacity change from 0 to 8192 [ 150.695613][ T6302] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5082] ioctl(3, LOOP_CLR_FD [pid 6297] <... openat resumed>) = 4 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6300] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6297] ioctl(4, LOOP_SET_FD, 3 [pid 5082] close(3 [pid 6300] <... openat resumed>) = 4 [pid 5082] <... close resumed>) = 0 [pid 6300] ioctl(4, LOOP_SET_FD, 3 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6302] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6301] <... write resumed>) = 4194304 [pid 6297] <... ioctl resumed>) = 0 [pid 6301] munmap(0x7f87c00f0000, 4194304 [pid 6297] close(3 [pid 6301] <... munmap resumed>) = 0 [pid 6297] <... close resumed>) = 0 [pid 6301] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6297] mkdir("./file0", 0777 [pid 6302] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... openat resumed>) = 4 [pid 6297] <... mkdir resumed>) = 0 [ 150.704790][ T6297] loop4: detected capacity change from 0 to 8192 [ 150.712505][ T6299] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 150.728379][ T6300] loop0: detected capacity change from 0 to 8192 [ 150.738871][ T6299] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 150.752612][ T6299] REISERFS (device loop2): using ordered data mode ./strace-static-x86_64: Process 6304 attached [pid 6302] <... futex resumed>) = 1 [pid 6301] ioctl(4, LOOP_SET_FD, 3 [pid 6297] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6290] <... futex resumed>) = 0 [pid 6304] set_robust_list(0x5555565af5e0, 24 [pid 6302] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] <... ioctl resumed>) = 0 [pid 6300] <... ioctl resumed>) = 0 [pid 6301] close(3 [pid 6300] close(3 [ 150.753109][ T6301] loop1: detected capacity change from 0 to 8192 [ 150.760383][ T6299] reiserfs: using flush barriers [ 150.773728][ T6297] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 150.790248][ T6299] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6301] <... close resumed>) = 0 [pid 6300] <... close resumed>) = 0 [pid 6304] <... set_robust_list resumed>) = 0 [pid 6290] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 153 [pid 6304] chdir("./54" [pid 6291] <... futex resumed>) = 0 [pid 6290] <... futex resumed>) = 1 [pid 6304] <... chdir resumed>) = 0 [pid 6291] unlink(NULL [pid 6290] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6291] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6304] <... prctl resumed>) = 0 [pid 6291] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] setpgid(0, 0 [pid 6291] <... futex resumed>) = 1 [pid 6290] <... futex resumed>) = 0 [pid 6304] <... setpgid resumed>) = 0 [pid 6291] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6290] close(3 [pid 6304] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6290] <... close resumed>) = 0 [pid 6304] <... symlink resumed>) = 0 [pid 6290] close(4 [pid 6304] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... symlink resumed>) = 0 [pid 6290] close(5 [pid 6304] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... symlink resumed>) = 0 [pid 6290] close(6 [pid 6304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... openat resumed>) = 3 [pid 6290] close(7 [pid 6304] write(3, "1000", 4 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... write resumed>) = 4 [pid 6290] close(8 [pid 6304] close(3 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = 0 [pid 6290] close(9 [pid 6304] read(200, [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6290] close(10 [pid 6304] symlink("/dev/binderfs", "./binderfs" [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... symlink resumed>) = 0 [pid 6290] close(11 [pid 6304] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... futex resumed>) = 0 [pid 6290] close(12 [pid 6304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... mmap resumed>) = 0x7f87c84f0000 [pid 6300] mkdir("./file0", 0777 [pid 6290] close(13 [pid 6304] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... mprotect resumed>) = 0 [pid 6290] close(14 [pid 6304] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6300] <... mkdir resumed>) = 0 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(15 [pid 6304] <... clone resumed>, parent_tid=[154], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 154 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] close(16 [pid 6304] <... futex resumed>) = 0 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6290] close(17) = -1 EBADF (Bad file descriptor) [pid 6290] close(18) = -1 EBADF (Bad file descriptor) [pid 6290] close(19) = -1 EBADF (Bad file descriptor) [pid 6290] close(20) = -1 EBADF (Bad file descriptor) [pid 6290] close(21) = -1 EBADF (Bad file descriptor) [pid 6290] close(22) = -1 EBADF (Bad file descriptor) [pid 6290] close(23) = -1 EBADF (Bad file descriptor) [pid 6290] close(24) = -1 EBADF (Bad file descriptor) [pid 6290] close(25) = -1 EBADF (Bad file descriptor) [pid 6290] close(26) = -1 EBADF (Bad file descriptor) [pid 6290] close(27) = -1 EBADF (Bad file descriptor) [pid 6290] close(28) = -1 EBADF (Bad file descriptor) [pid 6290] close(29) = -1 EBADF (Bad file descriptor) [pid 6290] exit_group(0 [pid 6302] <... futex resumed>) = ? [pid 6291] <... futex resumed>) = ? [pid 6290] <... exit_group resumed>) = ? [pid 6302] +++ exited with 0 +++ [pid 6291] +++ exited with 0 +++ [pid 6290] +++ exited with 0 +++ [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5081] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5081] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] unlink("./53/binderfs") = 0 [pid 5081] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6306 attached [pid 6300] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6306] set_robust_list(0x7f87c85109e0, 24 [pid 6301] mkdir("./file0", 0777 [pid 5081] lstat("./53/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] unlink("./53/cgroup") = 0 [pid 5081] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./53/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./53/cgroup.net") = 0 [pid 5081] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6306] <... set_robust_list resumed>) = 0 [pid 6301] <... mkdir resumed>) = 0 [pid 6306] memfd_create("syzkaller", 0 [pid 6301] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6306] <... memfd_create resumed>) = 3 [ 150.810370][ T6297] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 150.812539][ T6299] REISERFS (device loop2): checking transaction log (loop2) [ 150.825534][ T6297] REISERFS (device loop4): using ordered data mode [ 150.834160][ T6300] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 150.841337][ T6297] reiserfs: using flush barriers [pid 6306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 150.861919][ T6300] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 150.862026][ T6297] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 150.874138][ T6300] REISERFS (device loop0): using ordered data mode [ 150.899622][ T6300] reiserfs: using flush barriers [ 150.906717][ T6300] 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 [ 150.919903][ T6301] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 150.925752][ T6299] REISERFS (device loop2): Using r5 hash to sort names [ 150.947970][ T6300] REISERFS (device loop0): checking transaction log (loop0) [pid 6299] <... mount resumed>) = 0 [pid 6299] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6299] chdir("./file0") = 0 [pid 6299] ioctl(4, LOOP_CLR_FD) = 0 [pid 6299] close(4) = 0 [pid 6299] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 150.956918][ T6301] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 150.958614][ T6299] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 150.968667][ T6297] REISERFS (device loop4): checking transaction log (loop4) [ 150.985366][ T6299] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 6299] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6306] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6306] munmap(0x7f87c00f0000, 4194304 [pid 6296] <... futex resumed>) = 0 [ 150.997358][ T6300] REISERFS (device loop0): Using r5 hash to sort names [ 151.031930][ T6301] REISERFS (device loop1): using ordered data mode [pid 6296] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... futex resumed>) = 0 [pid 6296] <... futex resumed>) = 1 [pid 6299] mkdir("./file1", 000 [pid 6296] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6299] <... mkdir resumed>) = 0 [pid 6299] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6296] <... futex resumed>) = 0 [pid 6299] mkdir("./bus", 000 [pid 6296] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... mkdir resumed>) = 0 [pid 6296] <... futex resumed>) = 0 [pid 6299] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6299] <... futex resumed>) = 0 [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6299] mkdir("./file0", 000 [pid 6296] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... mkdir resumed>) = 0 [pid 6296] <... futex resumed>) = 0 [pid 6299] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6299] <... futex resumed>) = 0 [pid 6296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6299] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6296] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6306] <... munmap resumed>) = 0 [pid 6296] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6306] ioctl(4, LOOP_SET_FD, 3 [pid 5081] <... umount2 resumed>) = 0 [pid 6306] <... ioctl resumed>) = 0 [pid 6306] close(3) = 0 [ 151.077080][ T6301] reiserfs: using flush barriers [ 151.085814][ T6300] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 151.098336][ T6306] loop5: detected capacity change from 0 to 8192 [ 151.104712][ T6297] REISERFS (device loop4): Using r5 hash to sort names [ 151.109351][ T6299] overlayfs: upper fs needs to support d_type. [pid 6306] mkdir("./file0", 0777) = 0 [ 151.123065][ T6301] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 151.133033][ T6299] overlayfs: upper fs does not support tmpfile. [pid 6306] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 151.153993][ T6297] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 151.169824][ T6299] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 151.203404][ T6306] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5081] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6299] <... mount resumed>) = 0 [pid 6296] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] lstat("./53/file0", [pid 6296] <... futex resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6296] <... mmap resumed>) = 0x7f87c04cf000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5081] openat(AT_FDCWD, "./53/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6296] <... mprotect resumed>) = 0 [pid 5081] <... openat resumed>) = 4 [pid 6296] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] fstat(4, ./strace-static-x86_64: Process 6310 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6310] set_robust_list(0x7f87c04ef9e0, 24 [pid 6296] <... clone resumed>, parent_tid=[147], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 147 [pid 5081] getdents64(4, [pid 6310] <... set_robust_list resumed>) = 0 [pid 6296] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6310] mkdir(".", 0777 [pid 6296] <... futex resumed>) = 0 [pid 5081] getdents64(4, [pid 6310] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6296] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5081] close(4) = 0 [pid 5081] rmdir("./53/file0") = 0 [pid 6310] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5081] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./53/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./53/cgroup.cpu") = 0 [pid 6299] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] getdents64(3, [pid 6300] <... mount resumed>) = 0 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5081] close(3) = 0 [pid 5081] rmdir("./53" [pid 6300] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6299] <... futex resumed>) = 0 [pid 5081] <... rmdir resumed>) = 0 [pid 6300] <... openat resumed>) = 3 [pid 6299] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] mkdir("./54", 0777) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5081] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5081] close(3 [pid 6300] chdir("./file0" [pid 5081] <... close resumed>) = 0 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6311 attached [pid 6311] set_robust_list(0x5555565af5e0, 24 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 155 [pid 6311] <... set_robust_list resumed>) = 0 [pid 6311] chdir("./54") = 0 [pid 6311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6300] <... chdir resumed>) = 0 [pid 6297] <... mount resumed>) = 0 [ 151.209161][ T6300] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 151.236659][ T6301] REISERFS (device loop1): checking transaction log (loop1) [ 151.247197][ T6297] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 151.260031][ T6306] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 6311] <... prctl resumed>) = 0 [pid 6300] ioctl(4, LOOP_CLR_FD [pid 6297] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6311] setpgid(0, 0 [pid 6300] <... ioctl resumed>) = 0 [pid 6311] <... setpgid resumed>) = 0 [pid 6300] close(4 [pid 6311] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6300] <... close resumed>) = 0 [pid 6297] <... openat resumed>) = 3 [pid 6311] <... symlink resumed>) = 0 [pid 6300] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6300] <... futex resumed>) = 1 [pid 6311] <... symlink resumed>) = 0 [pid 6300] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6297] chdir("./file0" [pid 6295] <... futex resumed>) = 0 [pid 6311] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6311] write(3, "1000", 4) = 4 [pid 6311] close(3) = 0 [pid 6311] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6311] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6311] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6311] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6312 attached [pid 6297] <... chdir resumed>) = 0 [pid 6295] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] set_robust_list(0x7f87c85109e0, 24 [pid 6311] <... clone resumed>, parent_tid=[156], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 156 [pid 6300] <... futex resumed>) = 0 [pid 6297] ioctl(4, LOOP_CLR_FD [pid 6295] <... futex resumed>) = 1 [pid 6312] <... set_robust_list resumed>) = 0 [pid 6311] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [ 151.267519][ T6310] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 151.270920][ T6306] REISERFS (device loop5): using ordered data mode [ 151.296163][ T6301] REISERFS (device loop1): Using r5 hash to sort names [ 151.304785][ T6306] reiserfs: using flush barriers [ 151.312335][ T6301] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6300] mkdir("./file1", 000 [pid 6312] memfd_create("syzkaller", 0 [pid 6311] <... futex resumed>) = 0 [pid 6300] <... mkdir resumed>) = 0 [pid 6312] <... memfd_create resumed>) = 3 [pid 6311] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6300] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6300] <... futex resumed>) = 0 [pid 6312] <... mmap resumed>) = 0x7f87c00f0000 [pid 6300] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6297] <... ioctl resumed>) = 0 [pid 6295] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] close(4 [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] <... close resumed>) = 0 [pid 6295] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... futex resumed>) = 0 [pid 6297] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... futex resumed>) = 1 [pid 6300] mkdir("./bus", 000 [pid 6297] <... futex resumed>) = 1 [pid 6295] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6294] <... futex resumed>) = 0 [pid 6297] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] <... futex resumed>) = 0 [pid 6297] mkdir("./file1", 000 [pid 6294] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] <... mkdir resumed>) = 0 [pid 6297] <... mkdir resumed>) = 0 [pid 6300] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6300] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] <... futex resumed>) = 0 [pid 6297] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... futex resumed>) = 1 [pid 6295] <... futex resumed>) = 1 [pid 6294] <... futex resumed>) = 0 [pid 6297] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6294] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] <... futex resumed>) = 0 [pid 6297] mkdir("./bus", 000 [pid 6294] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] <... futex resumed>) = 0 [pid 6297] <... mkdir resumed>) = 0 [pid 6301] <... mount resumed>) = 0 [pid 6297] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6294] <... futex resumed>) = 0 [pid 6301] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6297] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [ 151.328174][ T6306] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 151.347854][ T6301] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 151.358657][ T6306] REISERFS (device loop5): checking transaction log (loop5) [pid 6294] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... openat resumed>) = 3 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6294] <... futex resumed>) = 0 [pid 6310] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6301] chdir("./file0" [pid 6300] mkdir("./file0", 000 [pid 6297] mkdir("./file0", 000 [pid 6294] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6312] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6300] <... mkdir resumed>) = 0 [pid 6300] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6300] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] <... chdir resumed>) = 0 [pid 6301] ioctl(4, LOOP_CLR_FD) = 0 [pid 6301] close(4) = 0 [pid 6301] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6298] <... futex resumed>) = 0 [pid 6301] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6298] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6298] <... futex resumed>) = 0 [pid 6295] <... futex resumed>) = 0 [pid 6301] mkdir("./file1", 000 [pid 6298] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6295] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... mkdir resumed>) = 0 [pid 6300] <... futex resumed>) = 0 [pid 6295] <... futex resumed>) = 1 [pid 6301] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 151.386417][ T6306] REISERFS (device loop5): Using r5 hash to sort names [ 151.397525][ T6306] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6300] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6295] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... futex resumed>) = 1 [pid 6298] <... futex resumed>) = 0 [pid 6310] <... futex resumed>) = 1 [pid 6301] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6298] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... futex resumed>) = 0 [pid 6310] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6298] <... futex resumed>) = 0 [pid 6296] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] mkdir("./bus", 000 [pid 6299] <... futex resumed>) = 0 [pid 6298] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6296] <... futex resumed>) = 1 [pid 6301] <... mkdir resumed>) = 0 [pid 6299] unlink(NULL [pid 6296] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6301] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6301] <... futex resumed>) = 1 [pid 6299] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... futex resumed>) = 0 [pid 6301] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6299] <... futex resumed>) = 1 [pid 6298] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... futex resumed>) = 0 [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6298] <... futex resumed>) = 0 [pid 6296] close(3 [pid 6301] mkdir("./file0", 000 [pid 6298] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6296] <... close resumed>) = 0 [pid 6301] <... mkdir resumed>) = 0 [pid 6296] close(4 [pid 6301] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... futex resumed>) = 1 [pid 6298] <... futex resumed>) = 0 [pid 6296] close(5 [pid 6301] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6298] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6298] <... futex resumed>) = 0 [pid 6296] close(6 [pid 6301] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6298] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] close(7) = -1 EBADF (Bad file descriptor) [pid 6296] close(8) = -1 EBADF (Bad file descriptor) [pid 6296] close(9 [pid 6299] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] close(10 [pid 6294] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] close(11) = -1 EBADF (Bad file descriptor) [ 151.433692][ T6300] overlayfs: upper fs needs to support d_type. [ 151.453681][ T6306] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 151.465505][ T6300] overlayfs: upper fs does not support tmpfile. [ 151.472722][ T6301] overlayfs: upper fs needs to support d_type. [pid 6294] <... futex resumed>) = 0 [pid 6296] close(12 [pid 6306] <... mount resumed>) = 0 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6306] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6296] close(13 [pid 6295] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] <... mmap resumed>) = 0x7f87c04cf000 [pid 6306] <... openat resumed>) = 3 [pid 6296] close(14 [pid 6295] <... futex resumed>) = 0 [pid 6294] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6306] chdir("./file0" [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6306] <... chdir resumed>) = 0 [pid 6296] close(15 [pid 6294] <... mprotect resumed>) = 0 [pid 6306] ioctl(4, LOOP_CLR_FD [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... mmap resumed>) = 0x7f87c04cf000 [pid 6306] <... ioctl resumed>) = 0 [pid 6296] close(16 [pid 6295] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6294] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6306] close(4 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] close(17 [pid 6295] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6313 attached [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6306] <... close resumed>) = 0 [pid 6296] close(18) = -1 EBADF (Bad file descriptor) [pid 6296] close(19) = -1 EBADF (Bad file descriptor) [pid 6296] close(20) = -1 EBADF (Bad file descriptor) [pid 6296] close(21 [pid 6297] <... mkdir resumed>) = 0 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] close(22) = -1 EBADF (Bad file descriptor) [pid 6296] close(23) = -1 EBADF (Bad file descriptor) [pid 6296] close(24) = -1 EBADF (Bad file descriptor) [pid 6297] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] close(25 [pid 6297] <... futex resumed>) = 0 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] close(26) = -1 EBADF (Bad file descriptor) [pid 6296] close(27) = -1 EBADF (Bad file descriptor) [pid 6296] close(28) = -1 EBADF (Bad file descriptor) [pid 6296] close(29) = -1 EBADF (Bad file descriptor) [pid 6296] exit_group(0 [pid 6313] set_robust_list(0x7f87c04ef9e0, 24 [pid 6310] <... futex resumed>) = ? [pid 6306] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6299] <... futex resumed>) = ? [pid 6296] <... exit_group resumed>) = ? [ 151.484628][ T6301] overlayfs: upper fs does not support tmpfile. [pid 6295] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6294] <... clone resumed>, parent_tid=[146], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 146 ./strace-static-x86_64: Process 6314 attached [pid 6313] <... set_robust_list resumed>) = 0 [pid 6310] +++ exited with 0 +++ [pid 6306] <... futex resumed>) = 1 [pid 6304] <... futex resumed>) = 0 [pid 6299] +++ exited with 0 +++ [pid 6296] +++ exited with 0 +++ [pid 6313] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6306] mkdir("./file1", 000 [pid 6304] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... clone resumed>, parent_tid=[144], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 144 [pid 6294] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] set_robust_list(0x7f87c04ef9e0, 24 [pid 6298] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6294] <... futex resumed>) = 0 [pid 6294] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] <... set_robust_list resumed>) = 0 [pid 6306] <... mkdir resumed>) = 0 [pid 6304] <... futex resumed>) = 0 [pid 6295] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=145, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 6298] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6298] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6298] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[148], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 148 [pid 6298] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6298] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] restart_syscall(<... resuming interrupted clone ...> [pid 6295] <... futex resumed>) = 0 [pid 6314] mkdir(".", 0777 [pid 6295] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] <... restart_syscall resumed>) = 0 [pid 6304] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6306] <... futex resumed>) = 0 [pid 6304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6314] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6306] mkdir("./bus", 000 [pid 6304] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6304] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6304] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] <... mkdir resumed>) = 0 [pid 5083] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6306] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... mount resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 6304] <... futex resumed>) = 0 [pid 6306] <... futex resumed>) = 1 [pid 6304] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] mkdir("./file0", 000 [pid 5083] fstat(3, [pid 6304] <... futex resumed>) = 0 [pid 6304] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] <... mkdir resumed>) = 0 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6306] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6304] <... futex resumed>) = 0 [ 151.514097][ T6301] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 151.525296][ T6300] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 151.526659][ T6313] overlayfs: upper fs needs to support d_type. [ 151.557107][ T6313] overlayfs: upper fs does not support tmpfile. [pid 5083] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6306] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6304] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6304] <... futex resumed>) = 0 [pid 6312] <... write resumed>) = 4194304 [pid 6304] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6312] munmap(0x7f87c00f0000, 4194304) = 0 ./strace-static-x86_64: Process 6315 attached [pid 6315] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 6315] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 6315] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6301] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] lstat("./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] unlink("./52/binderfs" [pid 6301] <... futex resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 5083] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./52/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./52/cgroup" [pid 6312] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5083] <... unlink resumed>) = 0 [pid 6312] <... openat resumed>) = 4 [pid 5083] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6312] ioctl(4, LOOP_SET_FD, 3 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./52/cgroup.net", [pid 6301] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6312] <... ioctl resumed>) = 0 [pid 6312] close(3) = 0 [ 151.558833][ T6306] overlayfs: upper fs needs to support d_type. [ 151.565317][ T6313] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 151.578287][ T6314] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 151.602512][ T6312] loop3: detected capacity change from 0 to 8192 [pid 6312] mkdir("./file0", 0777) = 0 [pid 6312] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5083] unlink("./52/cgroup.net") = 0 [pid 6313] <... mount resumed>) = 0 [pid 6313] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6313] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [ 151.611531][ T6306] overlayfs: upper fs does not support tmpfile. [ 151.626139][ T6312] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 151.645210][ T6315] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5083] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6314] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6304] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6300] <... mount resumed>) = 0 [pid 6294] <... futex resumed>) = 0 [pid 6314] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... futex resumed>) = 1 [pid 6294] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6300] <... futex resumed>) = 0 [pid 6304] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... futex resumed>) = 0 [pid 6295] <... futex resumed>) = 0 [pid 6294] <... futex resumed>) = 1 [pid 6304] <... futex resumed>) = 0 [pid 6300] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6297] mkdir(".", 0777 [pid 6295] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6304] <... mmap resumed>) = 0x7f87c04cf000 [pid 6300] unlink(NULL [pid 6297] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6295] <... futex resumed>) = 0 [pid 6304] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6300] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6304] <... mprotect resumed>) = 0 [pid 6300] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] <... futex resumed>) = 0 [pid 6304] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6300] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6317 attached [pid 6295] close(3 [pid 6317] set_robust_list(0x7f87c04ef9e0, 24 [pid 6304] <... clone resumed>, parent_tid=[155], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 155 [pid 6295] <... close resumed>) = 0 [ 151.667906][ T6306] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 151.668973][ T6312] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 6306] <... mount resumed>) = 0 [pid 6306] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6317] <... set_robust_list resumed>) = 0 [pid 6304] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] close(4 [pid 6306] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] mkdir(".", 0777 [pid 6304] <... futex resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6304] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6295] close(5 [pid 6317] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] close(6) = -1 EBADF (Bad file descriptor) [pid 6295] close(7) = -1 EBADF (Bad file descriptor) [pid 6295] close(8) = -1 EBADF (Bad file descriptor) [pid 6295] close(9) = -1 EBADF (Bad file descriptor) [pid 6295] close(10 [pid 6315] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] close(11 [pid 6315] <... futex resumed>) = 1 [pid 6298] <... futex resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] close(12) = -1 EBADF (Bad file descriptor) [pid 6295] close(13 [pid 6315] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6298] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... futex resumed>) = 0 [pid 6298] <... futex resumed>) = 1 [pid 6295] close(14 [pid 6301] unlink(NULL [pid 6298] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] close(15) = -1 EBADF (Bad file descriptor) [pid 6295] close(16) = -1 EBADF (Bad file descriptor) [pid 6295] close(17) = -1 EBADF (Bad file descriptor) [pid 6295] close(18) = -1 EBADF (Bad file descriptor) [pid 6295] close(19) = -1 EBADF (Bad file descriptor) [pid 6295] close(20) = -1 EBADF (Bad file descriptor) [pid 6295] close(21) = -1 EBADF (Bad file descriptor) [pid 6295] close(22) = -1 EBADF (Bad file descriptor) [pid 6295] close(23) = -1 EBADF (Bad file descriptor) [pid 6295] close(24) = -1 EBADF (Bad file descriptor) [pid 6295] close(25) = -1 EBADF (Bad file descriptor) [ 151.705578][ T6297] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 151.727055][ T6312] REISERFS (device loop3): using ordered data mode [ 151.735130][ T6312] reiserfs: using flush barriers [ 151.753911][ T6317] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6297] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6295] close(26) = -1 EBADF (Bad file descriptor) [pid 6295] close(27) = -1 EBADF (Bad file descriptor) [pid 6295] close(28) = -1 EBADF (Bad file descriptor) [pid 6295] close(29) = -1 EBADF (Bad file descriptor) [pid 6295] exit_group(0 [pid 6314] <... futex resumed>) = ? [pid 6295] <... exit_group resumed>) = ? [pid 6314] +++ exited with 0 +++ [pid 6300] <... futex resumed>) = ? [pid 6297] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] +++ exited with 0 +++ [pid 6295] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 6294] <... futex resumed>) = 0 [pid 6297] <... futex resumed>) = 1 [pid 6297] unlink(NULL [pid 6294] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6294] <... futex resumed>) = 0 [pid 6297] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] <... futex resumed>) = 0 [pid 6294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] close(3 [pid 5078] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6294] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6294] close(4) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6294] close(5 [pid 5078] <... openat resumed>) = 3 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(3, [pid 6294] close(6) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6294] close(7) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(3, [pid 6294] close(8) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6294] close(9) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6294] close(10) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6294] close(11) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./52/binderfs", [pid 6294] close(12) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6294] close(13) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./52/binderfs") = 0 [pid 6294] close(14) = -1 EBADF (Bad file descriptor) [pid 6294] close(15 [pid 5078] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6294] close(16) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./52/cgroup", [pid 6294] close(17 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./52/cgroup" [pid 6294] close(18 [pid 5078] <... unlink resumed>) = 0 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6294] close(19 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] close(20) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./52/cgroup.net", [pid 6294] close(21) = -1 EBADF (Bad file descriptor) [pid 6294] close(22 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 151.757413][ T6312] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 151.786525][ T6312] REISERFS (device loop3): checking transaction log (loop3) [ 151.804238][ T6312] REISERFS (device loop3): Using r5 hash to sort names [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] close(23) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./52/cgroup.net" [pid 6294] close(24) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5083] <... umount2 resumed>) = 0 [pid 6317] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6317] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... futex resumed>) = 0 [pid 6304] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6304] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] <... futex resumed>) = 1 [pid 6317] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./52/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6294] close(25 [pid 6306] <... futex resumed>) = 0 [pid 5078] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6306] unlink(NULL [pid 6294] close(26 [pid 5083] openat(AT_FDCWD, "./52/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6306] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... openat resumed>) = 4 [pid 5083] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(4, [pid 6306] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] close(27) = -1 EBADF (Bad file descriptor) [pid 6306] <... futex resumed>) = 1 [pid 6304] <... futex resumed>) = 0 [pid 6304] close(3) = 0 [pid 6304] close(4) = -1 EBADF (Bad file descriptor) [pid 6304] close(5) = -1 EBADF (Bad file descriptor) [pid 6304] close(6) = -1 EBADF (Bad file descriptor) [pid 6304] close(7) = -1 EBADF (Bad file descriptor) [pid 6304] close(8) = -1 EBADF (Bad file descriptor) [pid 6304] close(9) = -1 EBADF (Bad file descriptor) [pid 6304] close(10) = -1 EBADF (Bad file descriptor) [pid 6304] close(11) = -1 EBADF (Bad file descriptor) [pid 6304] close(12) = -1 EBADF (Bad file descriptor) [pid 6304] close(13) = -1 EBADF (Bad file descriptor) [pid 6304] close(14) = -1 EBADF (Bad file descriptor) [pid 6304] close(15) = -1 EBADF (Bad file descriptor) [pid 6304] close(16) = -1 EBADF (Bad file descriptor) [pid 6304] close(17) = -1 EBADF (Bad file descriptor) [pid 6304] close(18 [pid 6301] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] close(19 [pid 6301] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6301] <... futex resumed>) = 1 [pid 6298] <... futex resumed>) = 0 [pid 6304] close(20 [pid 5083] close(4) = 0 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6298] close(3 [pid 6304] close(21 [pid 6298] <... close resumed>) = 0 [pid 5083] rmdir("./52/file0" [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] close(4 [pid 5083] <... rmdir resumed>) = 0 [pid 6304] close(22 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] close(5 [pid 6304] close(23 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] close(6 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6304] close(24 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./52/cgroup.cpu", [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] close(7 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6304] close(25 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] unlink("./52/cgroup.cpu" [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] close(8 [pid 5083] <... unlink resumed>) = 0 [pid 6304] close(26 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] getdents64(3, [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] close(9 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6304] close(27 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(3 [pid 6306] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] close(10 [pid 6294] close(28 [pid 5083] <... close resumed>) = 0 [pid 6304] close(28 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] close(11 [pid 5083] rmdir("./52" [pid 6304] close(29 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... rmdir resumed>) = 0 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] close(12 [pid 5083] mkdir("./53", 0777 [pid 6304] exit_group(0 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] close(29 [pid 6317] <... futex resumed>) = ? [pid 6306] <... futex resumed>) = ? [pid 6304] <... exit_group resumed>) = ? [pid 6298] close(13 [pid 5083] <... mkdir resumed>) = 0 [pid 6317] +++ exited with 0 +++ [pid 6312] <... mount resumed>) = 0 [pid 6306] +++ exited with 0 +++ [pid 6304] +++ exited with 0 +++ [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] close(14 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] exit_group(0 [pid 5083] <... openat resumed>) = 3 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=153, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 6313] <... futex resumed>) = ? [pid 6298] close(15 [pid 6297] <... futex resumed>) = ? [pid 6294] <... exit_group resumed>) = ? [pid 5083] ioctl(3, LOOP_CLR_FD [pid 6313] +++ exited with 0 +++ [pid 6312] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6312] <... openat resumed>) = 3 [pid 6298] close(16 [pid 5083] close(3 [pid 6312] chdir("./file0" [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] +++ exited with 0 +++ [pid 6294] +++ exited with 0 +++ [pid 5083] <... close resumed>) = 0 [pid 6312] <... chdir resumed>) = 0 [pid 6298] close(17 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6318 attached [pid 6312] ioctl(4, LOOP_CLR_FD [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] set_robust_list(0x5555565af5e0, 24 [pid 6312] <... ioctl resumed>) = 0 [pid 6298] close(18 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 148 [pid 6318] <... set_robust_list resumed>) = 0 [pid 6312] close(4 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} --- [pid 6318] chdir("./53" [pid 6312] <... close resumed>) = 0 [pid 6298] close(19 [pid 6318] <... chdir resumed>) = 0 [pid 6312] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6312] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6298] close(20 [pid 6318] <... prctl resumed>) = 0 [pid 6312] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6318] setpgid(0, 0 [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... futex resumed>) = 0 [pid 6298] close(21 [pid 5082] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6318] <... setpgid resumed>) = 0 [pid 6312] mkdir("./file1", 000 [pid 6311] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6312] <... mkdir resumed>) = 0 [pid 6298] close(22 [pid 5082] <... openat resumed>) = 3 [pid 5080] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6318] <... symlink resumed>) = 0 [ 151.828795][ T6312] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 151.850379][ T6312] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 6312] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] fstat(3, [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6318] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6312] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6298] close(23 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6318] <... symlink resumed>) = 0 [pid 6312] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... futex resumed>) = 0 [pid 6298] close(24 [pid 6318] <... symlink resumed>) = 0 [pid 6312] mkdir("./bus", 000 [pid 6311] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6312] <... mkdir resumed>) = 0 [pid 6298] close(25 [pid 6318] <... openat resumed>) = 3 [pid 6312] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] write(3, "1000", 4 [pid 6312] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6298] close(26 [pid 6318] <... write resumed>) = 4 [pid 6312] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] close(3 [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... futex resumed>) = 0 [pid 6298] close(27 [pid 5082] getdents64(3, [pid 6318] <... close resumed>) = 0 [pid 6312] mkdir("./file0", 000 [pid 6311] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... openat resumed>) = 3 [pid 6318] read(200, [pid 6312] <... mkdir resumed>) = 0 [pid 6298] close(28 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6318] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6312] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] symlink("/dev/binderfs", "./binderfs" [pid 6312] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6298] close(29 [pid 6318] <... symlink resumed>) = 0 [pid 6312] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... futex resumed>) = 0 [pid 6298] exit_group(0 [pid 6318] <... futex resumed>) = 0 [pid 6315] <... futex resumed>) = ? [pid 6312] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6311] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6301] <... futex resumed>) = ? [pid 6298] <... exit_group resumed>) = ? [pid 6318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6315] +++ exited with 0 +++ [pid 6301] +++ exited with 0 +++ [pid 5082] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] fstat(3, [pid 5078] <... umount2 resumed>) = 0 [pid 6318] <... mmap resumed>) = 0x7f87c84f0000 [pid 6298] +++ exited with 0 +++ [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6318] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5082] lstat("./54/binderfs", [pid 5080] getdents64(3, [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 6318] <... mprotect resumed>) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6318] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] unlink("./54/binderfs" [pid 5080] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6319 attached [pid 5082] <... unlink resumed>) = 0 [ 151.937227][ T6312] overlayfs: upper fs needs to support d_type. [ 151.943812][ T6312] overlayfs: upper fs does not support tmpfile. [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] set_robust_list(0x7f87c85109e0, 24 [pid 6318] <... clone resumed>, parent_tid=[149], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 149 [pid 5082] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] lstat("./53/binderfs", [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./52/file0", [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] lstat("./54/cgroup", [pid 5080] unlink("./53/binderfs" [pid 5079] <... openat resumed>) = 3 [pid 5078] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5079] fstat(3, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] <... set_robust_list resumed>) = 0 [pid 6318] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] unlink("./54/cgroup" [pid 5080] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] openat(AT_FDCWD, "./52/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6319] memfd_create("syzkaller", 0 [pid 6318] <... futex resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] getdents64(3, [pid 5078] <... openat resumed>) = 4 [pid 6319] <... memfd_create resumed>) = 3 [pid 6318] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] lstat("./53/cgroup", [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] fstat(4, [pid 6319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6319] <... mmap resumed>) = 0x7f87c00f0000 [pid 5082] lstat("./54/cgroup.net", [pid 5080] unlink("./53/cgroup" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] getdents64(4, [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5079] lstat("./53/binderfs", [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] unlink("./54/cgroup.net" [pid 5080] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] getdents64(4, [pid 5082] <... unlink resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] unlink("./53/binderfs" [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] lstat("./53/cgroup.net", [pid 5079] <... unlink resumed>) = 0 [pid 5078] close(4 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 [pid 5080] unlink("./53/cgroup.net" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] rmdir("./52/file0" [pid 5080] <... unlink resumed>) = 0 [pid 5079] lstat("./53/cgroup", [pid 5078] <... rmdir resumed>) = 0 [pid 6312] <... mount resumed>) = 0 [pid 5080] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6312] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] unlink("./53/cgroup" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6312] <... futex resumed>) = 1 [ 151.977986][ T6312] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6311] <... futex resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] lstat("./52/cgroup.cpu", [pid 6312] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... futex resumed>) = 0 [pid 6312] mkdir(".", 0777 [pid 6311] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6312] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6312] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5082] <... umount2 resumed>) = 0 [pid 5079] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./52/cgroup.cpu" [pid 5079] lstat("./53/cgroup.net", [pid 5078] <... unlink resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] getdents64(3, [pid 5079] unlink("./53/cgroup.net" [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] close(3 [pid 5082] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 [pid 5078] rmdir("./52") = 0 [ 152.055946][ T6312] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5078] mkdir("./53", 0777 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... mkdir resumed>) = 0 [pid 6312] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./54/file0", [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5082] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] close(3 [pid 6312] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... futex resumed>) = 0 [pid 6311] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] openat(AT_FDCWD, "./54/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... close resumed>) = 0 [pid 5082] <... openat resumed>) = 4 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6311] <... futex resumed>) = 0 [pid 6311] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] fstat(4, ./strace-static-x86_64: Process 6320 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(4, [pid 6320] set_robust_list(0x5555565af5e0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 145 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6320] <... set_robust_list resumed>) = 0 [pid 5082] getdents64(4, [pid 6320] chdir("./53" [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5082] close(4 [pid 6320] <... chdir resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 6320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] rmdir("./54/file0" [pid 6312] <... futex resumed>) = 1 [pid 5082] <... rmdir resumed>) = 0 [pid 6320] <... prctl resumed>) = 0 [pid 5082] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6320] setpgid(0, 0) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6320] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5082] lstat("./54/cgroup.cpu", [pid 5080] <... umount2 resumed>) = 0 [pid 6319] <... write resumed>) = 4194304 [pid 6312] unlink(NULL [pid 6320] <... symlink resumed>) = 0 [pid 6319] munmap(0x7f87c00f0000, 4194304 [pid 6312] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6320] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6319] <... munmap resumed>) = 0 [pid 6312] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] unlink("./54/cgroup.cpu" [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6312] <... futex resumed>) = 1 [pid 5082] <... unlink resumed>) = 0 [pid 5080] lstat("./53/file0", [pid 6320] <... symlink resumed>) = 0 [pid 6319] <... openat resumed>) = 4 [pid 6312] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] getdents64(3, [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6319] ioctl(4, LOOP_SET_FD, 3 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6320] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6311] <... futex resumed>) = 0 [pid 5082] close(3 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... close resumed>) = 0 [pid 5080] openat(AT_FDCWD, "./53/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] rmdir("./54" [pid 5080] <... openat resumed>) = 4 [pid 6319] <... ioctl resumed>) = 0 [pid 5082] <... rmdir resumed>) = 0 [pid 5080] fstat(4, [pid 6319] close(3 [pid 5082] mkdir("./55", 0777 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6319] <... close resumed>) = 0 [pid 5082] <... mkdir resumed>) = 0 [pid 5080] getdents64(4, [pid 6320] <... symlink resumed>) = 0 [pid 6319] mkdir("./file0", 0777 [pid 6311] close(3 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6319] <... mkdir resumed>) = 0 [pid 6311] <... close resumed>) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5080] getdents64(4, [pid 6319] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6320] <... openat resumed>) = 3 [pid 6311] close(4 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5080] close(4 [pid 6320] write(3, "1000", 4 [pid 5082] close(3 [pid 5080] <... close resumed>) = 0 [pid 6320] <... write resumed>) = 4 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [ 152.163426][ T6319] loop2: detected capacity change from 0 to 8192 [ 152.188960][ T6319] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 152.204109][ T6319] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5080] rmdir("./53/file0" [pid 6320] close(3 [pid 6311] close(5 [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6322 attached [pid 5080] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6322] set_robust_list(0x5555565af5e0, 24 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 156 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6322] <... set_robust_list resumed>) = 0 [pid 5080] lstat("./53/cgroup.cpu", [pid 6322] chdir("./55" [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6322] <... chdir resumed>) = 0 [pid 6320] <... close resumed>) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./53/cgroup.cpu" [pid 6322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6320] read(200, [pid 6311] close(6 [pid 5080] <... unlink resumed>) = 0 [pid 6322] <... prctl resumed>) = 0 [pid 5080] getdents64(3, [pid 6322] setpgid(0, 0 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6322] <... setpgid resumed>) = 0 [pid 6320] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(3 [pid 6322] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6320] symlink("/dev/binderfs", "./binderfs" [pid 5080] <... close resumed>) = 0 [pid 6322] <... symlink resumed>) = 0 [pid 5080] rmdir("./53" [pid 6322] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6320] <... symlink resumed>) = 0 [pid 6311] close(7 [pid 5080] <... rmdir resumed>) = 0 [pid 6322] <... symlink resumed>) = 0 [ 152.214187][ T6319] REISERFS (device loop2): using ordered data mode [ 152.223298][ T6319] reiserfs: using flush barriers [pid 6320] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] mkdir("./54", 0777 [pid 6322] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5080] <... mkdir resumed>) = 0 [pid 6322] <... symlink resumed>) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... openat resumed>) = 3 [pid 6322] <... openat resumed>) = 3 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 6322] write(3, "1000", 4 [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6322] <... write resumed>) = 4 [pid 5080] close(3 [pid 6322] close(3 [pid 5080] <... close resumed>) = 0 [pid 6322] <... close resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6323 attached [pid 6322] read(200, [pid 6323] set_robust_list(0x5555565af5e0, 24 [pid 6322] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 147 [pid 5079] <... umount2 resumed>) = 0 [pid 6323] <... set_robust_list resumed>) = 0 [pid 6322] symlink("/dev/binderfs", "./binderfs" [pid 6323] chdir("./54" [pid 6322] <... symlink resumed>) = 0 [pid 6323] <... chdir resumed>) = 0 [pid 6322] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6322] <... futex resumed>) = 0 [pid 6323] <... prctl resumed>) = 0 [pid 6322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6323] setpgid(0, 0 [pid 6322] <... mmap resumed>) = 0x7f87c84f0000 [pid 6323] <... setpgid resumed>) = 0 [pid 6322] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6320] <... futex resumed>) = 0 [pid 6311] close(8 [pid 6323] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6322] <... mprotect resumed>) = 0 [pid 6320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6323] <... symlink resumed>) = 0 [pid 6322] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6320] <... mmap resumed>) = 0x7f87c84f0000 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6324 attached [pid 6323] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6320] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6311] close(9 [pid 5079] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6320] <... mprotect resumed>) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6320] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6311] close(10 [pid 5079] lstat("./53/file0", ./strace-static-x86_64: Process 6325 attached [pid 6324] set_robust_list(0x7f87c85109e0, 24 [pid 6322] <... clone resumed>, parent_tid=[157], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 157 [pid 6323] <... symlink resumed>) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6325] set_robust_list(0x7f87c85109e0, 24 [pid 6324] <... set_robust_list resumed>) = 0 [pid 6323] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6322] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... clone resumed>, parent_tid=[146], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 146 [pid 6311] close(11 [pid 5079] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6325] <... set_robust_list resumed>) = 0 [pid 6324] memfd_create("syzkaller", 0 [pid 6323] <... symlink resumed>) = 0 [pid 6322] <... futex resumed>) = 0 [pid 6320] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6325] memfd_create("syzkaller", 0 [pid 6324] <... memfd_create resumed>) = 3 [pid 6323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6322] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6320] <... futex resumed>) = 0 [pid 6311] close(12 [pid 5079] openat(AT_FDCWD, "./53/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6325] <... memfd_create resumed>) = 3 [pid 6324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6323] <... openat resumed>) = 3 [pid 6320] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 4 [pid 6325] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6324] <... mmap resumed>) = 0x7f87c00f0000 [pid 6323] write(3, "1000", 4 [pid 6311] close(13 [pid 5079] fstat(4, [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6311] close(14 [pid 5079] getdents64(4, [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6311] close(15 [pid 5079] getdents64(4, [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6323] <... write resumed>) = 4 [pid 6311] close(16 [pid 5079] close(4 [pid 6325] <... mmap resumed>) = 0x7f87c00f0000 [pid 6323] close(3 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 6311] close(17 [pid 5079] rmdir("./53/file0" [pid 6323] <... close resumed>) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... rmdir resumed>) = 0 [pid 6323] read(200, [pid 6311] close(18 [pid 5079] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6323] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6323] symlink("/dev/binderfs", "./binderfs" [pid 6311] close(19 [pid 5079] lstat("./53/cgroup.cpu", [pid 6323] <... symlink resumed>) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6323] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] close(20 [pid 5079] unlink("./53/cgroup.cpu" [pid 6323] <... futex resumed>) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 6323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6311] close(21 [pid 5079] getdents64(3, [pid 6323] <... mmap resumed>) = 0x7f87c84f0000 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6323] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6311] close(22 [pid 5079] close(3 [pid 6323] <... mprotect resumed>) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 6323] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6311] close(23 [pid 5079] rmdir("./53"./strace-static-x86_64: Process 6326 attached [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... rmdir resumed>) = 0 [ 152.254233][ T6319] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 152.278497][ T6319] REISERFS (device loop2): checking transaction log (loop2) [ 152.298478][ T6319] REISERFS (device loop2): Using r5 hash to sort names [pid 6326] set_robust_list(0x7f87c85109e0, 24 [pid 6323] <... clone resumed>, parent_tid=[148], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 148 [pid 6311] close(24 [pid 5079] mkdir("./54", 0777 [pid 6326] <... set_robust_list resumed>) = 0 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... mkdir resumed>) = 0 [pid 6326] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] close(25 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 6311] close(26 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6311] close(27 [pid 5079] close(3 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 6311] close(28 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(29 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 149 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] exit_group(0) = ? [pid 6323] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6326] <... futex resumed>) = 0 [pid 6323] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6327 attached [pid 6326] memfd_create("syzkaller", 0) = 3 [pid 6327] set_robust_list(0x5555565af5e0, 24 [pid 6326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6327] <... set_robust_list resumed>) = 0 [pid 6312] <... futex resumed>) = ? [pid 6326] <... mmap resumed>) = 0x7f87c00f0000 [pid 6327] chdir("./54") = 0 [ 152.327972][ T6319] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6312] +++ exited with 0 +++ [pid 6311] +++ exited with 0 +++ [pid 6327] <... prctl resumed>) = 0 [pid 6327] setpgid(0, 0) = 0 [pid 6327] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6327] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6327] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6319] <... mount resumed>) = 0 [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=155, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 6327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6327] write(3, "1000", 4) = 4 [pid 6327] close(3) = 0 [pid 6327] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6327] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6327] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6327] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6324] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6319] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5081] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6327] <... mprotect resumed>) = 0 [pid 6319] <... openat resumed>) = 3 [pid 6327] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6319] chdir("./file0" [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6328 attached [pid 6319] <... chdir resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6328] set_robust_list(0x7f87c85109e0, 24 [pid 6327] <... clone resumed>, parent_tid=[150], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 150 [pid 6319] ioctl(4, LOOP_CLR_FD [pid 6328] <... set_robust_list resumed>) = 0 [pid 5081] <... openat resumed>) = 3 [pid 6328] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] <... ioctl resumed>) = 0 [pid 5081] fstat(3, [pid 6319] close(4 [pid 6327] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... close resumed>) = 0 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6319] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] getdents64(3, [pid 6319] <... futex resumed>) = 1 [pid 6328] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = 1 [pid 6319] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6328] memfd_create("syzkaller", 0 [pid 6327] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6328] <... memfd_create resumed>) = 3 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./54/binderfs", [pid 6328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 152.370110][ T6319] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 6328] <... mmap resumed>) = 0x7f87c00f0000 [pid 5081] unlink("./54/binderfs" [pid 6326] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6325] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6318] <... futex resumed>) = 0 [pid 5081] <... unlink resumed>) = 0 [pid 6318] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6318] <... futex resumed>) = 1 [pid 6319] <... futex resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] mkdir("./file1", 000 [pid 6318] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] lstat("./54/cgroup", [pid 6319] <... mkdir resumed>) = 0 [pid 6319] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6318] <... futex resumed>) = 0 [pid 6319] <... futex resumed>) = 1 [pid 6318] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] unlink("./54/cgroup" [pid 6319] mkdir("./bus", 000 [pid 6318] <... futex resumed>) = 0 [pid 6318] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... unlink resumed>) = 0 [pid 6319] <... mkdir resumed>) = 0 [pid 6319] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6319] <... futex resumed>) = 1 [pid 6318] <... futex resumed>) = 0 [pid 6319] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6318] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6318] <... futex resumed>) = 0 [pid 5081] lstat("./54/cgroup.net", [pid 6319] mkdir("./file0", 000 [pid 6318] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6319] <... mkdir resumed>) = 0 [pid 5081] unlink("./54/cgroup.net" [pid 6319] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] <... futex resumed>) = 0 [pid 6319] <... futex resumed>) = 1 [pid 5081] <... unlink resumed>) = 0 [pid 6319] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6318] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6318] <... futex resumed>) = 0 [pid 6318] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6318] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6318] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6319] <... mount resumed>) = 0 [ 152.491956][ T6319] overlayfs: upper fs needs to support d_type. [ 152.517106][ T6319] overlayfs: upper fs does not support tmpfile. [ 152.525062][ T6319] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6324] <... write resumed>) = 4194304 [pid 6319] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] munmap(0x7f87c00f0000, 4194304 [pid 6319] <... futex resumed>) = 0 [pid 6318] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6319] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6318] <... mprotect resumed>) = 0 [pid 6324] <... munmap resumed>) = 0 [pid 6324] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6318] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6329 attached [pid 6324] <... openat resumed>) = 4 [pid 6329] set_robust_list(0x7f87c04ef9e0, 24 [pid 6324] ioctl(4, LOOP_SET_FD, 3 [pid 6318] <... clone resumed>, parent_tid=[150], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 150 [pid 6329] <... set_robust_list resumed>) = 0 [pid 6329] mkdir(".", 0777 [pid 6318] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6324] <... ioctl resumed>) = 0 [pid 6318] <... futex resumed>) = 0 [pid 6329] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6324] close(3 [pid 6318] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6324] <... close resumed>) = 0 [pid 6324] mkdir("./file0", 0777 [pid 6325] <... write resumed>) = 4194304 [pid 6324] <... mkdir resumed>) = 0 [pid 6325] munmap(0x7f87c00f0000, 4194304 [pid 6324] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6325] <... munmap resumed>) = 0 [pid 6325] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6326] <... write resumed>) = 4194304 [pid 6329] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6325] <... openat resumed>) = 4 [pid 6326] munmap(0x7f87c00f0000, 4194304 [pid 6325] ioctl(4, LOOP_SET_FD, 3 [pid 6326] <... munmap resumed>) = 0 [ 152.589985][ T6324] loop5: detected capacity change from 0 to 8192 [ 152.620243][ T6329] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6326] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6326] ioctl(4, LOOP_SET_FD, 3 [pid 5081] <... umount2 resumed>) = 0 [pid 6329] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... ioctl resumed>) = 0 [pid 6325] <... ioctl resumed>) = 0 [pid 6329] <... futex resumed>) = 1 [pid 6326] close(3 [pid 6325] close(3 [pid 6318] <... futex resumed>) = 0 [ 152.654459][ T6325] loop0: detected capacity change from 0 to 8192 [ 152.662601][ T6324] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 152.680861][ T6326] loop4: detected capacity change from 0 to 8192 [ 152.691056][ T6324] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5081] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6328] <... write resumed>) = 4194304 [pid 6329] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6326] <... close resumed>) = 0 [pid 6325] <... close resumed>) = 0 [pid 6318] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6328] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6326] mkdir("./file0", 0777 [pid 6325] mkdir("./file0", 0777 [pid 6319] <... futex resumed>) = 0 [pid 6318] <... futex resumed>) = 1 [pid 5081] lstat("./54/file0", [pid 6328] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6326] <... mkdir resumed>) = 0 [pid 6325] <... mkdir resumed>) = 0 [pid 6319] unlink(NULL [pid 6318] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6326] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6325] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6319] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5081] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6319] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6319] <... futex resumed>) = 1 [pid 6318] <... futex resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./54/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6319] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6318] close(3 [pid 5081] <... openat resumed>) = 4 [pid 6318] <... close resumed>) = 0 [pid 5081] fstat(4, [pid 6318] close(4 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(4, [pid 6318] close(5 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(4, [pid 6318] close(6 [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(4 [pid 6318] close(7 [pid 5081] <... close resumed>) = 0 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 152.702291][ T6324] REISERFS (device loop5): using ordered data mode [ 152.710015][ T6324] reiserfs: using flush barriers [ 152.717905][ T6324] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 152.730726][ T6325] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5081] rmdir("./54/file0" [pid 6328] <... openat resumed>) = 4 [pid 6318] close(8 [pid 5081] <... rmdir resumed>) = 0 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [ 152.736243][ T6324] REISERFS (device loop5): checking transaction log (loop5) [ 152.753459][ T6326] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 152.758495][ T6325] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 152.782665][ T6325] REISERFS (device loop0): using ordered data mode [ 152.783613][ T6324] REISERFS (device loop5): Using r5 hash to sort names [ 152.789280][ T6325] reiserfs: using flush barriers [pid 6328] ioctl(4, LOOP_SET_FD, 3 [pid 6318] close(9 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6328] <... ioctl resumed>) = 0 [pid 6328] close(3) = 0 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./54/cgroup.cpu", [pid 6328] mkdir("./file0", 0777) = 0 [pid 6328] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6318] close(10 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 152.792225][ T6328] loop1: detected capacity change from 0 to 8192 [ 152.812257][ T6325] 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 [ 152.812676][ T6325] REISERFS (device loop0): checking transaction log (loop0) [ 152.839316][ T6326] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] unlink("./54/cgroup.cpu" [pid 6324] <... mount resumed>) = 0 [pid 6318] close(11 [pid 5081] <... unlink resumed>) = 0 [ 152.852135][ T6324] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 152.854316][ T6326] REISERFS (device loop4): using ordered data mode [ 152.866323][ T6324] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 152.877222][ T6328] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 152.884039][ T6326] reiserfs: using flush barriers [pid 6324] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] getdents64(3, [pid 6318] close(12 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 6318] close(13 [pid 5081] <... close resumed>) = 0 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] rmdir("./54" [pid 6318] close(14 [pid 5081] <... rmdir resumed>) = 0 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] mkdir("./55", 0777 [pid 6318] close(15) = -1 EBADF (Bad file descriptor) [pid 6318] close(16) = -1 EBADF (Bad file descriptor) [pid 6318] close(17) = -1 EBADF (Bad file descriptor) [pid 6318] close(18) = -1 EBADF (Bad file descriptor) [pid 6318] close(19) = -1 EBADF (Bad file descriptor) [pid 6318] close(20) = -1 EBADF (Bad file descriptor) [pid 6318] close(21) = -1 EBADF (Bad file descriptor) [pid 6318] close(22 [pid 5081] <... mkdir resumed>) = 0 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6318] close(23 [pid 5081] <... openat resumed>) = 3 [pid 6324] <... openat resumed>) = 3 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] ioctl(3, LOOP_CLR_FD [pid 6318] close(24 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 152.898924][ T6325] REISERFS (device loop0): Using r5 hash to sort names [ 152.904371][ T6328] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 152.923172][ T6328] REISERFS (device loop1): using ordered data mode [ 152.931650][ T6325] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5081] close(3 [pid 6325] <... mount resumed>) = 0 [pid 6324] chdir("./file0" [pid 6318] close(25 [pid 5081] <... close resumed>) = 0 [pid 6324] <... chdir resumed>) = 0 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 152.947565][ T6326] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 152.949269][ T6328] reiserfs: using flush barriers [ 152.969187][ T6325] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 152.983742][ T6326] REISERFS (device loop4): checking transaction log (loop4) [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6325] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6324] ioctl(4, LOOP_CLR_FD [pid 6318] close(26 [pid 6324] <... ioctl resumed>) = 0 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 157 ./strace-static-x86_64: Process 6334 attached [pid 6325] <... openat resumed>) = 3 [pid 6324] close(4 [pid 6318] close(27 [pid 6324] <... close resumed>) = 0 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] set_robust_list(0x5555565af5e0, 24 [pid 6326] <... mount resumed>) = 0 [pid 6325] chdir("./file0" [pid 6324] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] close(28 [pid 6324] <... futex resumed>) = 1 [pid 6322] <... futex resumed>) = 0 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6324] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6322] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] close(29 [pid 6324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6322] <... futex resumed>) = 0 [pid 6318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] <... set_robust_list resumed>) = 0 [pid 6324] mkdir("./file1", 000 [pid 6322] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6318] exit_group(0 [pid 6325] <... chdir resumed>) = 0 [pid 6334] chdir("./55" [pid 6329] <... futex resumed>) = ? [pid 6326] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6324] <... mkdir resumed>) = 0 [pid 6319] <... futex resumed>) = ? [pid 6318] <... exit_group resumed>) = ? [pid 6325] ioctl(4, LOOP_CLR_FD [pid 6334] <... chdir resumed>) = 0 [pid 6329] +++ exited with 0 +++ [pid 6326] <... openat resumed>) = 3 [pid 6325] <... ioctl resumed>) = 0 [pid 6324] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] +++ exited with 0 +++ [pid 6318] +++ exited with 0 +++ [pid 6334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6326] chdir("./file0" [pid 6325] close(4 [pid 6324] <... futex resumed>) = 1 [pid 6322] <... futex resumed>) = 0 [pid 6334] <... prctl resumed>) = 0 [pid 6326] <... chdir resumed>) = 0 [pid 6325] <... close resumed>) = 0 [pid 6324] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6322] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 6334] setpgid(0, 0 [pid 6326] ioctl(4, LOOP_CLR_FD [pid 6325] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6322] <... futex resumed>) = 0 [pid 5083] restart_syscall(<... resuming interrupted clone ...> [pid 6334] <... setpgid resumed>) = 0 [pid 6326] <... ioctl resumed>) = 0 [pid 6325] <... futex resumed>) = 1 [pid 6324] mkdir("./bus", 000 [pid 6322] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] <... futex resumed>) = 0 [pid 5083] <... restart_syscall resumed>) = 0 [pid 6334] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6326] close(4 [pid 6325] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] <... mkdir resumed>) = 0 [pid 6320] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] <... symlink resumed>) = 0 [pid 6326] <... close resumed>) = 0 [pid 6325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6324] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... futex resumed>) = 0 [pid 6334] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6326] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] mkdir("./file1", 000 [pid 6324] <... futex resumed>) = 1 [pid 6322] <... futex resumed>) = 0 [pid 6320] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6334] <... symlink resumed>) = 0 [pid 6326] <... futex resumed>) = 1 [pid 6325] <... mkdir resumed>) = 0 [pid 6324] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] <... futex resumed>) = 0 [pid 6322] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6334] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6326] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6323] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] <... futex resumed>) = 0 [ 152.990084][ T6328] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 152.994322][ T6326] REISERFS (device loop4): Using r5 hash to sort names [ 153.018578][ T6326] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 153.033378][ T6326] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 153.048730][ T6328] REISERFS (device loop1): checking transaction log (loop1) [pid 5083] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6334] <... symlink resumed>) = 0 [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... futex resumed>) = 1 [pid 6324] mkdir("./file0", 000 [pid 6323] <... futex resumed>) = 0 [pid 6322] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] <... futex resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 6334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6326] mkdir("./file1", 000 [pid 6325] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] <... mkdir resumed>) = 0 [pid 6323] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] fstat(3, [pid 6334] <... openat resumed>) = 3 [pid 6324] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6326] <... mkdir resumed>) = 0 [pid 6334] write(3, "1000", 4 [pid 6325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6324] <... futex resumed>) = 1 [pid 6322] <... futex resumed>) = 0 [pid 6320] <... futex resumed>) = 0 [pid 5083] getdents64(3, [pid 6324] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6322] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6320] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6325] mkdir("./bus", 000 [pid 6334] <... write resumed>) = 4 [pid 6326] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6322] <... futex resumed>) = 0 [pid 5083] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6334] close(3 [pid 6326] <... futex resumed>) = 1 [pid 6325] <... mkdir resumed>) = 0 [pid 6324] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6323] <... futex resumed>) = 0 [pid 6322] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6334] <... close resumed>) = 0 [pid 6326] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] lstat("./53/binderfs", [pid 6334] read(200, [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... futex resumed>) = 1 [pid 6323] <... futex resumed>) = 0 [pid 6320] <... futex resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6334] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6326] mkdir("./bus", 000 [pid 6325] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] unlink("./53/binderfs" [pid 6334] symlink("/dev/binderfs", "./binderfs" [pid 6326] <... mkdir resumed>) = 0 [pid 6325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6320] <... futex resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 6334] <... symlink resumed>) = 0 [pid 6326] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] mkdir("./file0", 000 [pid 6320] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6334] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] <... futex resumed>) = 1 [pid 6325] <... mkdir resumed>) = 0 [pid 6323] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6334] <... futex resumed>) = 0 [pid 6326] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] lstat("./53/cgroup", [pid 6334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6325] <... futex resumed>) = 1 [pid 6323] <... futex resumed>) = 0 [pid 6320] <... futex resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6334] <... mmap resumed>) = 0x7f87c84f0000 [pid 6326] mkdir("./file0", 000 [pid 6325] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6323] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] unlink("./53/cgroup" [pid 6334] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6326] <... mkdir resumed>) = 0 [pid 6320] <... futex resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 6334] <... mprotect resumed>) = 0 [pid 6320] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6334] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6326] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./53/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./53/cgroup.net") = 0 [ 153.103159][ T6324] overlayfs: upper fs needs to support d_type. [ 153.111163][ T6328] REISERFS (device loop1): Using r5 hash to sort names [ 153.125538][ T6324] overlayfs: upper fs does not support tmpfile. [ 153.146308][ T6325] overlayfs: upper fs needs to support d_type. [pid 5083] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6335 attached [pid 6326] <... futex resumed>) = 1 [pid 6323] <... futex resumed>) = 0 [pid 6335] set_robust_list(0x7f87c85109e0, 24 [pid 6334] <... clone resumed>, parent_tid=[158], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 158 [pid 6326] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6323] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... set_robust_list resumed>) = 0 [pid 6335] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... futex resumed>) = 0 [pid 6322] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6322] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6323] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6322] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6322] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[158], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 158 [pid 6322] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6322] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6335] <... futex resumed>) = 0 [pid 6334] <... futex resumed>) = 1 [ 153.152277][ T6328] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 153.169477][ T6325] overlayfs: upper fs does not support tmpfile. [ 153.172314][ T6324] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 153.178289][ T6325] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 153.191171][ T6326] overlayfs: upper fs needs to support d_type. [pid 6335] memfd_create("syzkaller", 0 [pid 6334] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6335] <... memfd_create resumed>) = 3 [pid 6335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6324] <... mount resumed>) = 0 ./strace-static-x86_64: Process 6336 attached [pid 6325] <... mount resumed>) = 0 [pid 6324] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6336] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 6325] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... futex resumed>) = 0 [pid 6320] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 6336] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6324] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] <... futex resumed>) = 0 [pid 6320] <... futex resumed>) = 0 [pid 6325] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6320] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6323] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6320] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6323] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6337 attached [pid 6320] <... clone resumed>, parent_tid=[147], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 147 [pid 6337] set_robust_list(0x7f87c04ef9e0, 24 [pid 6323] <... futex resumed>) = 0 [pid 6320] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... set_robust_list resumed>) = 0 [pid 6323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6320] <... futex resumed>) = 0 [pid 6337] mkdir(".", 0777 [pid 6320] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6337] <... mkdir resumed>) = -1 EEXIST (File exists) [ 153.202268][ T6326] overlayfs: upper fs does not support tmpfile. [ 153.229994][ T6326] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6337] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6336] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6326] <... mount resumed>) = 0 [pid 6323] <... mmap resumed>) = 0x7f87c04cf000 [pid 6326] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6326] <... futex resumed>) = 0 [pid 6336] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6326] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6338 attached [pid 6336] <... futex resumed>) = 1 [pid 6322] <... futex resumed>) = 0 [pid 6338] set_robust_list(0x7f87c04ef9e0, 24 [pid 6336] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] <... clone resumed>, parent_tid=[149], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 149 [pid 6322] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... set_robust_list resumed>) = 0 [pid 6322] <... futex resumed>) = 1 [pid 6338] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6322] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6324] <... futex resumed>) = 0 [pid 6323] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... futex resumed>) = 0 [pid 6324] unlink(NULL [pid 6323] <... futex resumed>) = 1 [pid 6338] mkdir(".", 0777 [pid 6324] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6323] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6338] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6324] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6324] <... futex resumed>) = 1 [ 153.245408][ T6336] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 153.248630][ T6328] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 153.286332][ T6337] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6322] <... futex resumed>) = 0 [pid 6337] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6335] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6328] <... mount resumed>) = 0 [pid 6324] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] <... umount2 resumed>) = 0 [pid 6338] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6337] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6322] close(3 [pid 6338] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... futex resumed>) = 1 [pid 6328] <... openat resumed>) = 3 [pid 6322] <... close resumed>) = 0 [pid 6320] <... futex resumed>) = 0 [pid 5083] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6338] <... futex resumed>) = 1 [pid 6337] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] chdir("./file0" [pid 6323] <... futex resumed>) = 0 [pid 6322] close(4 [pid 6320] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6338] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] <... chdir resumed>) = 0 [pid 6325] <... futex resumed>) = 0 [pid 6323] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] <... futex resumed>) = 1 [pid 5083] lstat("./53/file0", [pid 6328] ioctl(4, LOOP_CLR_FD [pid 6326] <... futex resumed>) = 0 [pid 6325] unlink(NULL [pid 6323] <... futex resumed>) = 1 [pid 6322] close(5 [pid 6320] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6328] <... ioctl resumed>) = 0 [pid 6326] unlink(NULL [pid 6325] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6323] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6328] close(4 [pid 6326] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6325] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] close(6 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6328] <... close resumed>) = 0 [pid 6326] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(7) = -1 EBADF (Bad file descriptor) [pid 6322] close(8) = -1 EBADF (Bad file descriptor) [pid 6322] close(9) = -1 EBADF (Bad file descriptor) [pid 6322] close(10) = -1 EBADF (Bad file descriptor) [pid 6322] close(11) = -1 EBADF (Bad file descriptor) [pid 6322] close(12) = -1 EBADF (Bad file descriptor) [pid 6322] close(13) = -1 EBADF (Bad file descriptor) [pid 6325] <... futex resumed>) = 1 [pid 6322] close(14 [pid 6320] <... futex resumed>) = 0 [pid 5083] openat(AT_FDCWD, "./53/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6326] <... futex resumed>) = 1 [pid 6323] <... futex resumed>) = 0 [pid 6328] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6327] <... futex resumed>) = 0 [pid 6326] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] close(3 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(3 [pid 5083] <... openat resumed>) = 4 [pid 6328] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6327] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... close resumed>) = 0 [pid 6322] close(15 [pid 6320] <... close resumed>) = 0 [pid 5083] fstat(4, [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6327] <... futex resumed>) = 0 [pid 6323] close(4 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(16 [pid 6328] mkdir("./file1", 000 [pid 6323] close(5 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(4 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6328] <... mkdir resumed>) = 0 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(17 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] getdents64(4, [pid 6328] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [ 153.329715][ T6338] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6323] close(6 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(5 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6328] <... futex resumed>) = 1 [pid 6327] <... futex resumed>) = 0 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(18 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] getdents64(4, [pid 6328] mkdir("./bus", 000 [pid 6327] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] close(7 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(6 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6328] <... mkdir resumed>) = 0 [pid 6327] <... futex resumed>) = 0 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(19 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(4 [pid 6328] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] close(8 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(7 [pid 5083] <... close resumed>) = 0 [pid 6328] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(20 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] rmdir("./53/file0" [pid 6328] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6327] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] close(9 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(8 [pid 6328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6327] <... futex resumed>) = 0 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(21 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... rmdir resumed>) = 0 [pid 6328] mkdir("./file0", 000 [pid 6327] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] close(10 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(9 [pid 5083] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6328] <... mkdir resumed>) = 0 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(22 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6328] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] close(11 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(10 [pid 5083] lstat("./53/cgroup.cpu", [pid 6328] <... futex resumed>) = 1 [pid 6327] <... futex resumed>) = 0 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(23 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6327] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] close(12 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] <... futex resumed>) = 0 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(24 [pid 6327] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6323] close(13 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(25 [pid 6323] close(14 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(26 [pid 6328] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6323] close(15 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(11 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(27 [pid 5083] unlink("./53/cgroup.cpu" [pid 6323] close(16 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(28 [pid 5083] <... unlink resumed>) = 0 [pid 6323] close(17 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(29 [pid 6323] close(18 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] exit_group(0 [pid 6336] <... futex resumed>) = ? [pid 6323] close(19 [pid 6322] <... exit_group resumed>) = ? [pid 6336] +++ exited with 0 +++ [pid 6324] <... futex resumed>) = ? [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(12 [pid 5083] getdents64(3, [pid 6335] <... write resumed>) = 4194304 [pid 6324] +++ exited with 0 +++ [pid 6323] close(20 [pid 6322] +++ exited with 0 +++ [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(13 [pid 5083] close(3 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 6323] close(21 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = 0 [pid 5082] restart_syscall(<... resuming interrupted clone ...> [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(14 [pid 5083] rmdir("./53" [pid 5082] <... restart_syscall resumed>) = 0 [pid 6323] close(22 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... rmdir resumed>) = 0 [pid 6335] munmap(0x7f87c00f0000, 4194304 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(15 [pid 5083] mkdir("./54", 0777 [pid 6335] <... munmap resumed>) = 0 [pid 6323] close(23 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... mkdir resumed>) = 0 [pid 5082] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(16 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6323] close(24 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... openat resumed>) = 3 [pid 5082] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(17 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 5082] <... openat resumed>) = 3 [pid 6323] close(25 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5082] fstat(3, [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(18 [pid 5083] close(3 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6323] close(26 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = 0 [pid 5082] getdents64(3, [pid 6335] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(19 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 ./strace-static-x86_64: Process 6339 attached [pid 6323] close(27 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6335] <... openat resumed>) = 4 [pid 6339] set_robust_list(0x5555565af5e0, 24 [pid 6335] ioctl(4, LOOP_SET_FD, 3 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(20 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 151 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6339] <... set_robust_list resumed>) = 0 [pid 6323] close(28 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./55/binderfs", [pid 6339] chdir("./54" [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(21 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6339] <... chdir resumed>) = 0 [pid 6323] close(29 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./55/binderfs" [pid 6339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6327] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] close(22 [pid 5082] <... unlink resumed>) = 0 [pid 6339] <... prctl resumed>) = 0 [pid 6327] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] exit_group(0 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6339] setpgid(0, 0 [pid 6338] <... futex resumed>) = ? [pid 6327] <... futex resumed>) = 0 [pid 6326] <... futex resumed>) = ? [pid 6323] <... exit_group resumed>) = ? [pid 6320] close(23 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6339] <... setpgid resumed>) = 0 [pid 6338] +++ exited with 0 +++ [pid 6327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6326] +++ exited with 0 +++ [pid 6323] +++ exited with 0 +++ [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./55/cgroup", [pid 6339] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6327] <... mmap resumed>) = 0x7f87c04cf000 [pid 6320] close(24 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=147, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=27 /* 0.27 s */} --- [pid 6339] <... symlink resumed>) = 0 [pid 6327] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./55/cgroup" [pid 6339] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6335] <... ioctl resumed>) = 0 [pid 6327] <... mprotect resumed>) = 0 [pid 6320] close(25 [pid 5082] <... unlink resumed>) = 0 [pid 6339] <... symlink resumed>) = 0 [pid 6335] close(3 [pid 6327] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6339] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6335] <... close resumed>) = 0 [pid 6320] close(26 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6340 attached [pid 6339] <... symlink resumed>) = 0 [pid 6335] mkdir("./file0", 0777 [pid 6327] <... clone resumed>, parent_tid=[151], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 151 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./55/cgroup.net", [pid 6340] set_robust_list(0x7f87c04ef9e0, 24 [pid 6339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6335] <... mkdir resumed>) = 0 [pid 6328] <... mount resumed>) = 0 [pid 6327] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] close(27 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6340] <... set_robust_list resumed>) = 0 [pid 6339] <... openat resumed>) = 3 [ 153.431009][ T6328] overlayfs: upper fs needs to support d_type. [ 153.440478][ T6328] overlayfs: upper fs does not support tmpfile. [ 153.451272][ T6328] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 153.468828][ T6335] loop3: detected capacity change from 0 to 8192 [pid 6335] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6328] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] <... futex resumed>) = 0 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./55/cgroup.net" [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6339] write(3, "1000", 4 [pid 6327] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6320] close(28 [pid 5082] <... unlink resumed>) = 0 [pid 5080] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6339] <... write resumed>) = 4 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... openat resumed>) = 3 [pid 6339] close(3 [pid 6320] close(29 [pid 5080] fstat(3, [pid 6339] <... close resumed>) = 0 [pid 6320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6339] read(200, [pid 6320] exit_group(0 [pid 5080] getdents64(3, [pid 6340] mkdir(".", 0777 [pid 6339] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6337] <... futex resumed>) = ? [pid 6328] <... futex resumed>) = 0 [pid 6325] <... futex resumed>) = ? [pid 6320] <... exit_group resumed>) = ? [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6339] symlink("/dev/binderfs", "./binderfs" [pid 5080] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6339] <... symlink resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6339] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] lstat("./54/binderfs", [pid 6339] <... futex resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5080] unlink("./54/binderfs" [pid 6339] <... mmap resumed>) = 0x7f87c84f0000 [pid 5080] <... unlink resumed>) = 0 [pid 6340] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6339] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6328] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6325] +++ exited with 0 +++ [pid 5080] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6339] <... mprotect resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6340] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6339] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6337] +++ exited with 0 +++ [pid 6320] +++ exited with 0 +++ [pid 5080] lstat("./54/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6339] <... clone resumed>, parent_tid=[152], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 152 [pid 5080] unlink("./54/cgroup" [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=145, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 6339] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] <... unlink resumed>) = 0 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 6339] <... futex resumed>) = 0 [pid 5080] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... restart_syscall resumed>) = 0 [pid 6339] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./54/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] unlink("./54/cgroup.net" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... unlink resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6342 attached [pid 5080] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... openat resumed>) = 3 [pid 6342] set_robust_list(0x7f87c85109e0, 24 [pid 5078] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6342] <... set_robust_list resumed>) = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6342] memfd_create("syzkaller", 0 [pid 5078] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./53/binderfs", [pid 6342] <... memfd_create resumed>) = 3 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5078] unlink("./53/binderfs" [pid 6342] <... mmap resumed>) = 0x7f87c00f0000 [pid 5078] <... unlink resumed>) = 0 [pid 5078] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./53/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./53/cgroup") = 0 [pid 5078] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./53/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./53/cgroup.net") = 0 [ 153.502633][ T6335] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 153.520684][ T6335] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 153.535608][ T6335] REISERFS (device loop3): using ordered data mode [pid 5078] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6342] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6340] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 153.565190][ T6335] reiserfs: using flush barriers [ 153.581431][ T6340] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 153.596004][ T6335] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6340] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6327] <... futex resumed>) = 0 [pid 6340] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6327] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6327] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] <... futex resumed>) = 0 [pid 6328] unlink(NULL) = -1 EFAULT (Bad address) [pid 6328] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6327] <... futex resumed>) = 0 [pid 6328] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6327] close(3) = 0 [pid 6327] close(4) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = 0 [pid 6327] close(5 [pid 5082] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6327] close(6 [pid 5082] lstat("./55/file0", [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6327] close(7 [pid 5082] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] openat(AT_FDCWD, "./55/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6327] close(8 [pid 5082] <... openat resumed>) = 4 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] fstat(4, [pid 6327] close(9 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 153.652010][ T6335] REISERFS (device loop3): checking transaction log (loop3) [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(4, [pid 6327] close(10 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(4, [pid 6327] close(11 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... write resumed>) = 4194304 [pid 5082] close(4 [pid 6327] close(12 [pid 5082] <... close resumed>) = 0 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] rmdir("./55/file0") = 0 [pid 6327] close(13) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6327] close(14 [pid 6342] munmap(0x7f87c00f0000, 4194304 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6327] close(15 [pid 5082] lstat("./55/cgroup.cpu", [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] close(16) = -1 EBADF (Bad file descriptor) [pid 6327] close(17) = -1 EBADF (Bad file descriptor) [pid 6327] close(18) = -1 EBADF (Bad file descriptor) [pid 6327] close(19) = -1 EBADF (Bad file descriptor) [pid 6327] close(20) = -1 EBADF (Bad file descriptor) [pid 6327] close(21) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./55/cgroup.cpu" [pid 6327] close(22 [pid 5082] <... unlink resumed>) = 0 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6327] close(23 [pid 5082] close(3) = 0 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... munmap resumed>) = 0 [pid 6327] close(24 [pid 5082] rmdir("./55" [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... rmdir resumed>) = 0 [pid 6327] close(25 [pid 5082] mkdir("./56", 0777 [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... mkdir resumed>) = 0 [pid 6327] close(26 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] close(27) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 3 [pid 6342] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6327] close(28 [pid 5082] ioctl(3, LOOP_CLR_FD [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... openat resumed>) = 4 [pid 6327] close(29 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6327] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] ioctl(4, LOOP_SET_FD, 3 [pid 5082] close(3 [pid 6327] exit_group(0 [pid 6340] <... futex resumed>) = ? [pid 6328] <... futex resumed>) = ? [pid 6327] <... exit_group resumed>) = ? [pid 5082] <... close resumed>) = 0 [pid 6328] +++ exited with 0 +++ [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6343 attached , child_tidptr=0x5555565af5d0) = 159 [pid 6343] set_robust_list(0x5555565af5e0, 24) = 0 [pid 6343] chdir("./56") = 0 [pid 6343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6343] setpgid(0, 0) = 0 [pid 6343] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6340] +++ exited with 0 +++ [pid 6327] +++ exited with 0 +++ [pid 6343] <... symlink resumed>) = 0 [pid 6343] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=149, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 6343] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 6343] <... symlink resumed>) = 0 [pid 5079] <... restart_syscall resumed>) = 0 [pid 6343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6343] write(3, "1000", 4) = 4 [pid 6343] close(3 [pid 5079] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6343] <... close resumed>) = 0 [pid 5080] <... umount2 resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6343] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] symlink("/dev/binderfs", "./binderfs" [pid 5079] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... umount2 resumed>) = 0 [pid 6343] <... symlink resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 6343] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] fstat(3, [pid 6343] <... futex resumed>) = 0 [pid 6343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6343] <... mmap resumed>) = 0x7f87c84f0000 [pid 5078] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6343] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6343] <... mprotect resumed>) = 0 [pid 5078] lstat("./53/file0", [pid 6343] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6344 attached [pid 5080] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] getdents64(3, [pid 6344] set_robust_list(0x7f87c85109e0, 24 [pid 6343] <... clone resumed>, parent_tid=[160], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 160 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6344] <... set_robust_list resumed>) = 0 [pid 6343] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] lstat("./54/file0", [pid 5079] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 153.719996][ T6335] REISERFS (device loop3): Using r5 hash to sort names [ 153.744450][ T6335] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 153.753619][ T6342] loop2: detected capacity change from 0 to 8192 [pid 5078] openat(AT_FDCWD, "./53/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6344] memfd_create("syzkaller", 0 [pid 6343] <... futex resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... openat resumed>) = 4 [pid 6344] <... memfd_create resumed>) = 3 [pid 6343] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5080] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./54/binderfs", [pid 5078] fstat(4, [pid 6344] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6344] <... mmap resumed>) = 0x7f87c00f0000 [pid 5080] openat(AT_FDCWD, "./54/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] unlink("./54/binderfs" [pid 5078] getdents64(4, [pid 5080] <... openat resumed>) = 4 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] fstat(4, [pid 5079] <... unlink resumed>) = 0 [pid 5078] getdents64(4, [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] getdents64(4, [pid 5079] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] close(4 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6342] <... ioctl resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5080] getdents64(4, [pid 5078] rmdir("./53/file0" [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5080] close(4 [pid 5078] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] rmdir("./54/file0" [pid 5078] lstat("./53/cgroup.cpu", [pid 5080] <... rmdir resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] unlink("./53/cgroup.cpu" [pid 6342] close(3 [pid 6335] <... mount resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./54/cgroup", [pid 5078] <... unlink resumed>) = 0 [pid 5080] lstat("./54/cgroup.cpu", [pid 5078] getdents64(3, [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] unlink("./54/cgroup.cpu" [pid 5078] close(3 [pid 5080] <... unlink resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5080] getdents64(3, [pid 5078] rmdir("./53" [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5080] close(3 [pid 5078] mkdir("./54", 0777 [pid 6342] <... close resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 5080] rmdir("./54" [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6342] mkdir("./file0", 0777 [pid 5080] <... rmdir resumed>) = 0 [pid 5079] unlink("./54/cgroup" [pid 5078] <... openat resumed>) = 3 [pid 6335] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5080] mkdir("./55", 0777 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5080] <... mkdir resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5078] close(3 [pid 6342] <... mkdir resumed>) = 0 [pid 6344] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6342] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6335] <... openat resumed>) = 3 [pid 5080] <... openat resumed>) = 3 [pid 5079] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6346 attached [pid 6335] chdir("./file0" [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6335] <... chdir resumed>) = 0 [pid 6346] set_robust_list(0x5555565af5e0, 24 [ 153.811516][ T6335] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5080] close(3 [pid 5079] lstat("./54/cgroup.net", [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 148 [pid 6346] <... set_robust_list resumed>) = 0 [pid 6335] ioctl(4, LOOP_CLR_FD [pid 5080] <... close resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6347 attached [pid 6346] chdir("./54" [pid 6335] <... ioctl resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 150 [pid 6346] <... chdir resumed>) = 0 [pid 6335] close(4 [pid 5079] unlink("./54/cgroup.net" [pid 6347] set_robust_list(0x5555565af5e0, 24 [pid 6346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6335] <... close resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6346] <... prctl resumed>) = 0 [pid 6335] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] setpgid(0, 0) = 0 [pid 6335] <... futex resumed>) = 1 [pid 6334] <... futex resumed>) = 0 [pid 6347] <... set_robust_list resumed>) = 0 [pid 5079] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6346] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6335] mkdir("./file1", 000 [pid 6334] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] chdir("./55" [pid 6334] <... futex resumed>) = 0 [pid 6334] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] <... mkdir resumed>) = 0 [pid 6347] <... chdir resumed>) = 0 [pid 6346] <... symlink resumed>) = 0 [pid 6347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6335] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6347] <... prctl resumed>) = 0 [pid 6347] setpgid(0, 0) = 0 [pid 6335] <... futex resumed>) = 1 [pid 6334] <... futex resumed>) = 0 [pid 6346] <... symlink resumed>) = 0 [pid 6347] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6346] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6335] mkdir("./bus", 000 [pid 6334] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6334] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] <... mkdir resumed>) = 0 [pid 6347] <... symlink resumed>) = 0 [pid 6335] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... symlink resumed>) = 0 [pid 6335] <... futex resumed>) = 1 [pid 6334] <... futex resumed>) = 0 [pid 6347] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6335] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] <... futex resumed>) = 0 [pid 6347] <... symlink resumed>) = 0 [pid 6335] mkdir("./file0", 000 [pid 6346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6334] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6347] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6346] <... openat resumed>) = 3 [pid 6335] <... mkdir resumed>) = 0 [pid 6347] <... symlink resumed>) = 0 [pid 6335] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] write(3, "1000", 4 [pid 6334] <... futex resumed>) = 0 [pid 6335] <... futex resumed>) = 1 [pid 6347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6346] <... write resumed>) = 4 [pid 6346] close(3 [pid 6334] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... close resumed>) = 0 [pid 6335] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6334] <... futex resumed>) = 0 [pid 6346] read(200, [pid 6334] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6346] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6344] <... write resumed>) = 4194304 [pid 6346] symlink("/dev/binderfs", "./binderfs" [pid 6344] munmap(0x7f87c00f0000, 4194304 [pid 6347] <... openat resumed>) = 3 [pid 6346] <... symlink resumed>) = 0 [ 153.881672][ T6342] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6346] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] write(3, "1000", 4 [pid 6346] <... futex resumed>) = 0 [pid 6344] <... munmap resumed>) = 0 [pid 6344] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6344] ioctl(4, LOOP_SET_FD, 3 [pid 6347] <... write resumed>) = 4 [pid 6346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6344] <... ioctl resumed>) = 0 [pid 6344] close(3) = 0 [pid 6344] mkdir("./file0", 0777) = 0 [pid 6344] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6347] close(3 [pid 6346] <... mmap resumed>) = 0x7f87c84f0000 [pid 6347] <... close resumed>) = 0 [pid 6347] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6347] symlink("/dev/binderfs", "./binderfs" [pid 6346] <... mprotect resumed>) = 0 [pid 6347] <... symlink resumed>) = 0 [pid 6347] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6346] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6349 attached [pid 6347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6349] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 6347] <... mmap resumed>) = 0x7f87c84f0000 [pid 6346] <... clone resumed>, parent_tid=[149], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 149 [pid 6349] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6335] <... mount resumed>) = 0 [pid 6347] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [ 153.932152][ T6335] overlayfs: upper fs needs to support d_type. [ 153.933677][ T6344] loop5: detected capacity change from 0 to 8192 [ 153.943032][ T6342] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 153.951671][ T6335] overlayfs: upper fs does not support tmpfile. [ 153.968219][ T6335] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6346] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... mprotect resumed>) = 0 [pid 6346] <... futex resumed>) = 0 [pid 6347] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6346] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6350 attached [pid 6350] set_robust_list(0x7f87c85109e0, 24 [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6347] <... clone resumed>, parent_tid=[151], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 151 [pid 6350] <... set_robust_list resumed>) = 0 [pid 6349] memfd_create("syzkaller", 0 [pid 6347] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] memfd_create("syzkaller", 0 [pid 6347] <... futex resumed>) = 0 [pid 6350] <... memfd_create resumed>) = 3 [pid 6349] <... memfd_create resumed>) = 3 [pid 6347] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6335] <... futex resumed>) = 1 [pid 6350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6334] <... futex resumed>) = 0 [pid 6350] <... mmap resumed>) = 0x7f87c00f0000 [pid 6334] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6334] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6335] mkdir(".", 0777 [pid 6349] <... mmap resumed>) = 0x7f87c00f0000 [pid 6335] <... mkdir resumed>) = -1 EEXIST (File exists) [ 153.981708][ T6342] REISERFS (device loop2): using ordered data mode [ 153.989807][ T6342] reiserfs: using flush barriers [ 153.997645][ T6342] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 154.017839][ T6344] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 154.048015][ T6342] REISERFS (device loop2): checking transaction log (loop2) [ 154.057412][ T6344] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 154.068462][ T6342] REISERFS (device loop2): Using r5 hash to sort names [pid 6335] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [ 154.084205][ T6335] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 154.098681][ T6344] REISERFS (device loop5): using ordered data mode [ 154.101202][ T6342] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6349] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6335] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6335] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6334] <... futex resumed>) = 0 [pid 6335] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6334] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6335] unlink(NULL) = -1 EFAULT (Bad address) [pid 6335] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6334] <... futex resumed>) = 0 [pid 6335] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] close(3) = 0 [pid 6334] close(4 [pid 6342] <... mount resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = 0 [pid 6342] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6334] close(5 [pid 6342] <... openat resumed>) = 3 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] chdir("./file0" [pid 6334] close(6 [pid 6342] <... chdir resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] ioctl(4, LOOP_CLR_FD [pid 6334] close(7 [pid 6342] <... ioctl resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] close(4 [pid 6334] close(8 [pid 6342] <... close resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6334] close(9) = -1 EBADF (Bad file descriptor) [pid 6334] close(10) = -1 EBADF (Bad file descriptor) [pid 6334] close(11) = -1 EBADF (Bad file descriptor) [pid 6334] close(12) = -1 EBADF (Bad file descriptor) [pid 6334] close(13) = -1 EBADF (Bad file descriptor) [ 154.136955][ T6344] reiserfs: using flush barriers [ 154.143589][ T6344] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 154.163305][ T6342] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 6349] <... write resumed>) = 4194304 [pid 6342] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] close(14) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6334] close(15) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6334] close(16 [pid 5079] lstat("./54/file0", [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6334] close(17 [pid 5079] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6334] close(18) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "./54/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6349] munmap(0x7f87c00f0000, 4194304 [pid 6342] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6334] close(19 [pid 5079] <... openat resumed>) = 4 [pid 6349] <... munmap resumed>) = 0 [pid 6342] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] fstat(4, [pid 6339] <... futex resumed>) = 0 [pid 6334] close(20 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6339] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 6334] close(21 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 6349] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6334] close(22 [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6349] <... openat resumed>) = 4 [pid 6342] mkdir("./file1", 000 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(4 [pid 6334] close(23 [pid 5079] <... close resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./54/file0" [pid 6334] close(24 [pid 5079] <... rmdir resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6334] close(25 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6349] ioctl(4, LOOP_SET_FD, 3 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./54/cgroup.cpu", [pid 6342] <... mkdir resumed>) = 0 [pid 6334] close(26 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./54/cgroup.cpu" [pid 6334] close(27 [pid 5079] <... unlink resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 6334] close(28 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(3 [pid 6334] close(29 [pid 5079] <... close resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./54" [ 154.219082][ T6344] REISERFS (device loop5): checking transaction log (loop5) [ 154.233206][ T6344] REISERFS (device loop5): Using r5 hash to sort names [ 154.242807][ T6344] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 154.259720][ T6349] loop0: detected capacity change from 0 to 8192 [pid 6334] exit_group(0 [pid 5079] <... rmdir resumed>) = 0 [pid 6349] <... ioctl resumed>) = 0 [pid 6342] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... futex resumed>) = ? [pid 6334] <... exit_group resumed>) = ? [pid 5079] mkdir("./55", 0777) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6349] close(3 [pid 6342] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 6349] <... close resumed>) = 0 [pid 6335] +++ exited with 0 +++ [pid 6342] mkdir("./bus", 000 [pid 6339] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6334] +++ exited with 0 +++ [pid 5079] close(3 [pid 6349] mkdir("./file0", 0777 [pid 6342] <... mkdir resumed>) = 0 [pid 6339] <... futex resumed>) = 0 [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=157, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5079] <... close resumed>) = 0 [pid 5081] restart_syscall(<... resuming interrupted clone ...> [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6351 attached [pid 6349] <... mkdir resumed>) = 0 [pid 6342] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... restart_syscall resumed>) = 0 [pid 6351] set_robust_list(0x5555565af5e0, 24 [pid 6349] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6342] <... futex resumed>) = 0 [pid 6339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 152 [pid 6351] <... set_robust_list resumed>) = 0 [pid 6344] <... mount resumed>) = 0 [pid 6342] mkdir("./file0", 000 [pid 6339] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] chdir("./55" [pid 6344] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6342] <... mkdir resumed>) = 0 [pid 6339] <... futex resumed>) = 0 [pid 5081] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6351] <... chdir resumed>) = 0 [pid 6351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6351] setpgid(0, 0) = 0 [ 154.268549][ T6344] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 154.300171][ T6349] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6351] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6350] <... write resumed>) = 4194304 [pid 6344] <... openat resumed>) = 3 [pid 6342] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6351] <... symlink resumed>) = 0 [pid 6351] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6344] chdir("./file0" [pid 6339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6342] <... futex resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6351] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6344] <... chdir resumed>) = 0 [pid 6339] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... symlink resumed>) = 0 [pid 6351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6351] write(3, "1000", 4) = 4 [pid 6351] close(3) = 0 [pid 6351] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6351] symlink("/dev/binderfs", "./binderfs" [pid 6342] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6339] <... futex resumed>) = 0 [pid 6351] <... symlink resumed>) = 0 [pid 6344] ioctl(4, LOOP_CLR_FD [pid 5081] <... openat resumed>) = 3 [pid 6351] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6351] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6351] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6353 attached [pid 6353] set_robust_list(0x7f87c85109e0, 24 [pid 6351] <... clone resumed>, parent_tid=[153], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 153 [pid 6339] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] <... set_robust_list resumed>) = 0 [pid 6351] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... ioctl resumed>) = 0 [pid 5081] fstat(3, [pid 6353] memfd_create("syzkaller", 0 [pid 6351] <... futex resumed>) = 0 [pid 6353] <... memfd_create resumed>) = 3 [pid 6351] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 154.316153][ T6349] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 154.328139][ T6349] REISERFS (device loop0): using ordered data mode [ 154.336632][ T6349] reiserfs: using flush barriers [ 154.349752][ T6342] overlayfs: upper fs needs to support d_type. [ 154.356962][ T6342] overlayfs: upper fs does not support tmpfile. [pid 6353] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6350] munmap(0x7f87c00f0000, 4194304 [pid 6344] close(4 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6350] <... munmap resumed>) = 0 [pid 6344] <... close resumed>) = 0 [pid 5081] getdents64(3, [pid 6350] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6344] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6350] <... openat resumed>) = 4 [pid 6344] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 0 [pid 5081] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6350] ioctl(4, LOOP_SET_FD, 3 [pid 6344] mkdir("./file1", 000 [pid 6343] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6350] <... ioctl resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6343] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6344] <... mkdir resumed>) = 0 [pid 6350] close(3 [pid 6339] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] lstat("./55/binderfs", [pid 6350] <... close resumed>) = 0 [pid 6344] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] mkdir("./file0", 0777 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6344] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 0 [pid 6339] <... futex resumed>) = 0 [pid 6350] <... mkdir resumed>) = 0 [pid 6344] mkdir("./bus", 000 [pid 6343] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... mount resumed>) = 0 [ 154.368316][ T6349] 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 [ 154.369207][ T6350] loop4: detected capacity change from 0 to 8192 [ 154.397430][ T6342] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] unlink("./55/binderfs" [pid 6350] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6344] <... mkdir resumed>) = 0 [pid 6343] <... futex resumed>) = 0 [pid 6344] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] <... unlink resumed>) = 0 [pid 6344] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6344] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6343] <... futex resumed>) = 0 [pid 6344] mkdir("./file0", 000 [pid 6343] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5081] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6344] <... mkdir resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6353] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6344] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... mmap resumed>) = 0x7f87c04cf000 [pid 5081] lstat("./55/cgroup", [pid 6342] <... futex resumed>) = 0 [pid 6339] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6342] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] <... mprotect resumed>) = 0 [pid 5081] unlink("./55/cgroup" [pid 6339] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] <... unlink resumed>) = 0 [pid 5081] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6339] <... clone resumed>, parent_tid=[153], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 153 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6339] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] lstat("./55/cgroup.net", [pid 6339] <... futex resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6339] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] unlink("./55/cgroup.net") = 0 [pid 6344] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 0 [pid 5081] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6344] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 154.413108][ T6349] REISERFS (device loop0): checking transaction log (loop0) [ 154.439777][ T6350] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6343] <... futex resumed>) = 0 [pid 6344] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6343] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6355 attached [pid 6355] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 6355] mkdir(".", 0777) = -1 EEXIST (File exists) [ 154.467856][ T6350] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 154.472396][ T6344] overlayfs: upper fs needs to support d_type. [ 154.480795][ T6350] REISERFS (device loop4): using ordered data mode [pid 6355] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6") = -1 EINVAL (Invalid argument) [pid 6355] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... futex resumed>) = 0 [pid 6339] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6342] <... futex resumed>) = 0 [pid 6342] unlink(NULL) = -1 EFAULT (Bad address) [pid 6339] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6342] <... futex resumed>) = 0 [pid 6342] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] close(3) = 0 [pid 6339] close(4) = -1 EBADF (Bad file descriptor) [pid 6339] close(5) = -1 EBADF (Bad file descriptor) [pid 6339] close(6) = -1 EBADF (Bad file descriptor) [pid 6339] close(7) = -1 EBADF (Bad file descriptor) [pid 6339] close(8) = -1 EBADF (Bad file descriptor) [pid 6339] close(9) = -1 EBADF (Bad file descriptor) [pid 6355] <... futex resumed>) = 1 [pid 6339] close(10 [pid 6355] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(11) = -1 EBADF (Bad file descriptor) [pid 6339] close(12) = -1 EBADF (Bad file descriptor) [pid 6339] close(13) = -1 EBADF (Bad file descriptor) [pid 6339] close(14) = -1 EBADF (Bad file descriptor) [pid 6339] close(15) = -1 EBADF (Bad file descriptor) [ 154.510491][ T6355] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 154.517474][ T6344] overlayfs: upper fs does not support tmpfile. [ 154.536653][ T6350] reiserfs: using flush barriers [ 154.553625][ T6349] REISERFS (device loop0): Using r5 hash to sort names [ 154.582314][ T6350] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 154.583240][ T6349] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6353] <... write resumed>) = 4194304 [pid 6353] munmap(0x7f87c00f0000, 4194304 [pid 6343] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6339] close(16 [pid 6353] <... munmap resumed>) = 0 [pid 6343] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(17) = -1 EBADF (Bad file descriptor) [pid 6353] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6339] close(18 [pid 6353] <... openat resumed>) = 4 [pid 6353] ioctl(4, LOOP_SET_FD, 3 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(19) = -1 EBADF (Bad file descriptor) [pid 6353] <... ioctl resumed>) = 0 [pid 6339] close(20 [pid 6343] <... futex resumed>) = 0 [pid 6353] close(3 [pid 6343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = 0 [pid 6339] close(21 [pid 6353] mkdir("./file0", 0777 [pid 6343] <... mmap resumed>) = 0x7f87c04cf000 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... mkdir resumed>) = 0 [pid 6339] close(22 [pid 6353] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6343] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(23) = -1 EBADF (Bad file descriptor) [pid 6339] close(24) = -1 EBADF (Bad file descriptor) [pid 6339] close(25) = -1 EBADF (Bad file descriptor) [pid 6339] close(26 [pid 6343] <... mprotect resumed>) = 0 [pid 6343] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(27) = -1 EBADF (Bad file descriptor) [pid 6339] close(28) = -1 EBADF (Bad file descriptor) [pid 6339] close(29) = -1 EBADF (Bad file descriptor) [pid 6339] exit_group(0 [pid 6355] <... futex resumed>) = ? [pid 6342] <... futex resumed>) = ? [pid 6339] <... exit_group resumed>) = ? [pid 6355] +++ exited with 0 +++ [pid 6342] +++ exited with 0 +++ [pid 6339] +++ exited with 0 +++ [pid 6343] <... clone resumed>, parent_tid=[161], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 161 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=151, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [ 154.617318][ T6350] REISERFS (device loop4): checking transaction log (loop4) [ 154.639417][ T6344] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 154.656477][ T6353] loop1: detected capacity change from 0 to 8192 [pid 6343] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5083] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] unlink("./54/binderfs") = 0 [pid 5083] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./54/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./54/cgroup") = 0 [pid 5083] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./54/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./54/cgroup.net") = 0 [pid 5083] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6357 attached [pid 6344] <... mount resumed>) = 0 [pid 6343] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] <... umount2 resumed>) = 0 [pid 5081] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./55/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./55/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5081] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5081] close(4) = 0 [pid 5081] rmdir("./55/file0") = 0 [pid 5081] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./55/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./55/cgroup.cpu") = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [ 154.693843][ T6353] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 154.715477][ T6350] REISERFS (device loop4): Using r5 hash to sort names [ 154.719293][ T6353] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 5081] close(3 [pid 6357] set_robust_list(0x7f87c04ef9e0, 24 [pid 6344] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... close resumed>) = 0 [pid 5081] rmdir("./55") = 0 [pid 5081] mkdir("./56", 0777) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5081] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5081] close(3 [pid 6357] <... set_robust_list resumed>) = 0 [pid 6344] <... futex resumed>) = 0 [pid 5081] <... close resumed>) = 0 [ 154.738301][ T6350] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 154.749506][ T6349] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 154.773817][ T6350] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 6357] mkdir(".", 0777 [pid 6344] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6358 attached [pid 6357] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6357] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6358] set_robust_list(0x5555565af5e0, 24 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 159 [pid 6358] <... set_robust_list resumed>) = 0 [pid 6358] chdir("./56") = 0 [pid 6358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6349] <... mount resumed>) = 0 [pid 6350] <... mount resumed>) = 0 [pid 6349] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6350] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6349] <... openat resumed>) = 3 [pid 6358] <... prctl resumed>) = 0 [pid 6358] setpgid(0, 0 [pid 6350] <... openat resumed>) = 3 [pid 6349] chdir("./file0" [pid 6350] chdir("./file0" [pid 6349] <... chdir resumed>) = 0 [pid 6358] <... setpgid resumed>) = 0 [pid 6350] <... chdir resumed>) = 0 [pid 6349] ioctl(4, LOOP_CLR_FD [pid 6358] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [ 154.780556][ T6353] REISERFS (device loop1): using ordered data mode [ 154.801433][ T6353] reiserfs: using flush barriers [ 154.814815][ T6353] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 6358] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6358] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6358] write(3, "1000", 4) = 4 [pid 6358] close(3) = 0 [pid 6358] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6358] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6358] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6358] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6358] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[160], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 160 [pid 6358] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6358] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6350] ioctl(4, LOOP_CLR_FD) = 0 [pid 6350] close(4) = 0 [pid 6350] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6359 attached [pid 6347] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6347] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... futex resumed>) = 1 [pid 6350] mkdir("./file1", 000) = 0 [ 154.819871][ T6357] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 154.838958][ T6353] REISERFS (device loop1): checking transaction log (loop1) [ 154.875613][ T6353] REISERFS (device loop1): Using r5 hash to sort names [pid 6350] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] set_robust_list(0x7f87c85109e0, 24 [pid 6357] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6349] <... ioctl resumed>) = 0 [pid 6350] <... futex resumed>) = 1 [pid 6349] close(4 [pid 6347] <... futex resumed>) = 0 [pid 6350] mkdir("./bus", 000 [pid 6349] <... close resumed>) = 0 [pid 6347] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... mkdir resumed>) = 0 [pid 6349] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] <... futex resumed>) = 0 [pid 6359] <... set_robust_list resumed>) = 0 [pid 6357] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] memfd_create("syzkaller", 0 [pid 6357] <... futex resumed>) = 1 [pid 6350] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... futex resumed>) = 1 [pid 6347] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6346] <... futex resumed>) = 0 [pid 6359] <... memfd_create resumed>) = 3 [pid 6357] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6347] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... mmap resumed>) = 0x7f87c00f0000 [pid 6350] <... futex resumed>) = 0 [pid 6349] mkdir("./file1", 000 [pid 6347] <... futex resumed>) = 0 [pid 6346] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] mkdir("./file0", 000 [pid 6349] <... mkdir resumed>) = 0 [pid 6350] <... mkdir resumed>) = 0 [pid 6349] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... futex resumed>) = 0 [pid 6350] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... futex resumed>) = 0 [pid 6347] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6346] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] <... futex resumed>) = 0 [pid 6349] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6350] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6349] <... futex resumed>) = 0 [pid 6347] <... futex resumed>) = 0 [pid 6346] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 0 [ 154.900368][ T6353] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6350] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6349] mkdir("./bus", 000 [pid 6347] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6346] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6349] <... mkdir resumed>) = 0 [pid 6343] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6346] <... futex resumed>) = 0 [pid 6344] <... futex resumed>) = 0 [pid 6343] <... futex resumed>) = 1 [pid 6349] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] <... futex resumed>) = 0 [pid 6344] unlink(NULL [pid 6343] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6349] mkdir("./file0", 000 [pid 6346] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6344] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6349] <... mkdir resumed>) = 0 [pid 6344] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 0 [pid 6349] <... futex resumed>) = 1 [pid 6346] <... futex resumed>) = 0 [pid 6344] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] close(3 [pid 6349] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... close resumed>) = 0 [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] <... futex resumed>) = 0 [pid 6343] close(4 [pid 6349] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6346] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(5) = -1 EBADF (Bad file descriptor) [pid 6343] close(6) = -1 EBADF (Bad file descriptor) [pid 6343] close(7) = -1 EBADF (Bad file descriptor) [pid 6343] close(8) = -1 EBADF (Bad file descriptor) [pid 6343] close(9) = -1 EBADF (Bad file descriptor) [pid 6343] close(10) = -1 EBADF (Bad file descriptor) [pid 6343] close(11) = -1 EBADF (Bad file descriptor) [pid 6343] close(12) = -1 EBADF (Bad file descriptor) [pid 6343] close(13) = -1 EBADF (Bad file descriptor) [pid 6343] close(14) = -1 EBADF (Bad file descriptor) [pid 6343] close(15) = -1 EBADF (Bad file descriptor) [pid 6343] close(16) = -1 EBADF (Bad file descriptor) [pid 6343] close(17) = -1 EBADF (Bad file descriptor) [pid 6343] close(18) = -1 EBADF (Bad file descriptor) [pid 6343] close(19) = -1 EBADF (Bad file descriptor) [pid 6343] close(20) = -1 EBADF (Bad file descriptor) [pid 6343] close(21) = -1 EBADF (Bad file descriptor) [pid 6343] close(22) = -1 EBADF (Bad file descriptor) [ 154.950676][ T6350] overlayfs: upper fs needs to support d_type. [ 154.979252][ T6349] overlayfs: upper fs needs to support d_type. [pid 6343] close(23) = -1 EBADF (Bad file descriptor) [pid 6343] close(24) = -1 EBADF (Bad file descriptor) [pid 6343] close(25) = -1 EBADF (Bad file descriptor) [pid 6343] close(26) = -1 EBADF (Bad file descriptor) [pid 6343] close(27) = -1 EBADF (Bad file descriptor) [pid 6343] close(28) = -1 EBADF (Bad file descriptor) [pid 6343] close(29) = -1 EBADF (Bad file descriptor) [pid 6343] exit_group(0 [pid 6357] <... futex resumed>) = ? [pid 6347] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6344] <... futex resumed>) = ? [pid 6343] <... exit_group resumed>) = ? [pid 5083] <... umount2 resumed>) = 0 [pid 6357] +++ exited with 0 +++ [pid 6347] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] +++ exited with 0 +++ [pid 6343] +++ exited with 0 +++ [pid 6346] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6346] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=159, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 6346] <... futex resumed>) = 0 [pid 5082] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6346] <... mmap resumed>) = 0x7f87c04cf000 [pid 5082] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6346] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5082] <... openat resumed>) = 3 [pid 6346] <... mprotect resumed>) = 0 [pid 5082] fstat(3, [pid 6346] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6347] <... futex resumed>) = 0 [pid 5083] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] getdents64(3, [pid 6346] <... clone resumed>, parent_tid=[150], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 150 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6346] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6346] <... futex resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6346] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5082] lstat("./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] unlink("./56/binderfs") = 0 [pid 5082] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./56/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5082] unlink("./56/cgroup") = 0 [pid 5082] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./56/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] unlink("./56/cgroup.net") = 0 [ 155.003280][ T6349] overlayfs: upper fs does not support tmpfile. [ 155.010883][ T6350] overlayfs: upper fs does not support tmpfile. [ 155.025864][ T6349] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 5082] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6360 attached [pid 6359] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6353] <... mount resumed>) = 0 [pid 6349] <... mount resumed>) = 0 [pid 6347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6360] set_robust_list(0x7f87c04ef9e0, 24 [pid 6347] <... mmap resumed>) = 0x7f87c04cf000 [pid 5083] lstat("./54/file0", [pid 6360] <... set_robust_list resumed>) = 0 [pid 6349] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6360] mkdir(".", 0777 [pid 6349] <... futex resumed>) = 0 [pid 5083] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6360] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6349] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6360] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5083] openat(AT_FDCWD, "./54/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6347] <... mprotect resumed>) = 0 [pid 5083] <... openat resumed>) = 4 [pid 5083] fstat(4, [pid 6347] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6347] <... clone resumed>, parent_tid=[152], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 152 [pid 5083] getdents64(4, [pid 6347] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] <... mount resumed>) = 0 [pid 6347] <... futex resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6353] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5083] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] close(4 [pid 6353] <... openat resumed>) = 3 [pid 6350] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] <... close resumed>) = 0 [pid 6353] chdir("./file0" [pid 6350] <... futex resumed>) = 0 [pid 5083] rmdir("./54/file0" [pid 6353] <... chdir resumed>) = 0 [pid 6350] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6353] ioctl(4, LOOP_CLR_FD [pid 5083] <... rmdir resumed>) = 0 [pid 6353] <... ioctl resumed>) = 0 [pid 5083] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6353] close(4 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6353] <... close resumed>) = 0 ./strace-static-x86_64: Process 6361 attached [pid 6361] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 6361] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 6361] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5083] lstat("./54/cgroup.cpu", [ 155.039099][ T6353] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 155.054790][ T6350] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6353] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6351] <... futex resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./54/cgroup.cpu" [pid 6353] mkdir("./file1", 000 [pid 6351] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] <... mkdir resumed>) = 0 [pid 6351] <... futex resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 6353] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] getdents64(3, [pid 6360] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6360] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] mkdir("./bus", 000 [pid 6351] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6351] <... futex resumed>) = 0 [pid 6351] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] <... mkdir resumed>) = 0 [pid 5083] close(3) = 0 [pid 6353] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] rmdir("./54" [pid 6351] <... futex resumed>) = 0 [pid 6353] <... futex resumed>) = 1 [pid 6353] mkdir("./file0", 000 [pid 6351] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... rmdir resumed>) = 0 [pid 6351] <... futex resumed>) = 0 [pid 6351] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] <... mkdir resumed>) = 0 [pid 5083] mkdir("./55", 0777 [pid 6353] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6351] <... futex resumed>) = 0 [pid 5083] <... mkdir resumed>) = 0 [pid 6353] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6351] <... futex resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 6353] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6351] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 155.112303][ T6360] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5083] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 6360] <... futex resumed>) = 1 [pid 6360] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] close(3) = 0 [pid 6346] <... futex resumed>) = 0 [pid 6346] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6346] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6349] <... futex resumed>) = 0 [pid 6349] unlink(NULL [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6349] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6349] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6362 attached ) = 1 [pid 6346] <... futex resumed>) = 0 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 154 [pid 6362] set_robust_list(0x5555565af5e0, 24 [pid 6349] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] close(3 [pid 6362] <... set_robust_list resumed>) = 0 [pid 6346] <... close resumed>) = 0 [pid 6362] chdir("./55" [pid 6346] close(4 [pid 6362] <... chdir resumed>) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6346] close(5 [pid 6362] <... prctl resumed>) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] setpgid(0, 0 [pid 6346] close(6 [pid 6362] <... setpgid resumed>) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6346] close(7 [pid 6362] <... symlink resumed>) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6359] <... write resumed>) = 4194304 [pid 6346] close(8 [pid 6362] <... symlink resumed>) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6346] close(9 [pid 6362] <... symlink resumed>) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6346] close(10 [pid 6362] <... openat resumed>) = 3 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] write(3, "1000", 4 [pid 6346] close(11 [pid 6362] <... write resumed>) = 4 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] close(3 [pid 6346] close(12 [pid 6362] <... close resumed>) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] read(200, [pid 6346] close(13 [pid 6362] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] symlink("/dev/binderfs", "./binderfs" [pid 6346] close(14 [pid 6362] <... symlink resumed>) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] close(15 [pid 6362] <... futex resumed>) = 0 [ 155.155250][ T6361] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 155.155755][ T6353] overlayfs: upper fs needs to support d_type. [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6346] close(16 [pid 6362] <... mmap resumed>) = 0x7f87c84f0000 [pid 6351] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6351] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] close(17 [pid 6362] <... mprotect resumed>) = 0 [pid 6351] <... futex resumed>) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6346] close(18./strace-static-x86_64: Process 6363 attached [pid 6351] <... mmap resumed>) = 0x7f87c04cf000 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6363] set_robust_list(0x7f87c85109e0, 24 [pid 6362] <... clone resumed>, parent_tid=[155], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 155 [pid 6351] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6346] close(19 [pid 6363] <... set_robust_list resumed>) = 0 [pid 6362] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... mprotect resumed>) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6363] memfd_create("syzkaller", 0 [pid 6362] <... futex resumed>) = 0 [pid 6351] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6346] close(20./strace-static-x86_64: Process 6364 attached [pid 6363] <... memfd_create resumed>) = 3 [pid 6362] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6359] munmap(0x7f87c00f0000, 4194304 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] set_robust_list(0x7f87c04ef9e0, 24 [pid 6363] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6351] <... clone resumed>, parent_tid=[154], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 154 [pid 6346] close(21 [pid 6364] <... set_robust_list resumed>) = 0 [pid 6363] <... mmap resumed>) = 0x7f87c00f0000 [pid 6359] <... munmap resumed>) = 0 [pid 6351] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] mkdir(".", 0777 [pid 6351] <... futex resumed>) = 0 [pid 6346] close(22 [pid 6364] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6351] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6346] close(23) = -1 EBADF (Bad file descriptor) [pid 6346] close(24) = -1 EBADF (Bad file descriptor) [pid 6346] close(25) = -1 EBADF (Bad file descriptor) [pid 6346] close(26) = -1 EBADF (Bad file descriptor) [pid 6346] close(27) = -1 EBADF (Bad file descriptor) [pid 6359] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6346] close(28) = -1 EBADF (Bad file descriptor) [pid 6346] close(29) = -1 EBADF (Bad file descriptor) [pid 6346] exit_group(0 [pid 6360] <... futex resumed>) = ? [pid 6359] <... openat resumed>) = 4 [pid 6349] <... futex resumed>) = ? [pid 6346] <... exit_group resumed>) = ? [pid 6360] +++ exited with 0 +++ [pid 6359] ioctl(4, LOOP_SET_FD, 3 [pid 6349] +++ exited with 0 +++ [pid 6346] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=28 /* 0.28 s */} --- [pid 6359] <... ioctl resumed>) = 0 [pid 5078] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] fstat(3, [pid 6359] close(3 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(3, [pid 6359] <... close resumed>) = 0 [pid 6359] mkdir("./file0", 0777 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./54/binderfs", [pid 6359] <... mkdir resumed>) = 0 [pid 5082] <... umount2 resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6359] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5078] unlink("./54/binderfs" [pid 5082] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] lstat("./56/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 155.241731][ T6353] overlayfs: upper fs does not support tmpfile. [ 155.254731][ T6353] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 155.268776][ T6359] loop3: detected capacity change from 0 to 8192 [pid 5082] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5082] openat(AT_FDCWD, "./56/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5082] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5082] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5082] close(4 [pid 5078] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./54/cgroup", [pid 5082] rmdir("./56/file0") = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6364] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6363] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6361] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6353] <... mount resumed>) = 0 [pid 5082] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] unlink("./54/cgroup" [pid 6364] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... unlink resumed>) = 0 [pid 6364] <... futex resumed>) = 1 [pid 6361] <... futex resumed>) = 1 [pid 6353] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = 0 [pid 6347] <... futex resumed>) = 0 [pid 5078] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6364] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6361] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [ 155.287265][ T6364] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 155.310902][ T6359] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 155.326411][ T6359] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 6353] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6347] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6351] <... futex resumed>) = 0 [pid 6350] <... futex resumed>) = 0 [pid 6347] <... futex resumed>) = 1 [pid 5082] lstat("./56/cgroup.cpu", [pid 5078] lstat("./54/cgroup.net", [pid 6353] unlink(NULL [pid 6351] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6350] unlink(NULL [pid 6347] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6353] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6350] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./54/cgroup.net" [pid 6353] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] unlink("./56/cgroup.cpu" [pid 5078] <... unlink resumed>) = 0 [pid 6353] <... futex resumed>) = 1 [pid 6351] <... futex resumed>) = 0 [pid 6350] <... futex resumed>) = 1 [pid 6347] <... futex resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5078] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6353] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] close(3 [pid 6350] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6347] close(3 [pid 5082] getdents64(3, [pid 6351] <... close resumed>) = 0 [pid 6347] <... close resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6351] close(4 [pid 6347] close(4 [pid 5082] close(3 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [ 155.336098][ T6359] REISERFS (device loop3): using ordered data mode [ 155.343031][ T6359] reiserfs: using flush barriers [ 155.349870][ T6359] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 155.367410][ T6359] REISERFS (device loop3): checking transaction log (loop3) [ 155.376229][ T6359] REISERFS (device loop3): Using r5 hash to sort names [pid 6351] close(5 [pid 6347] close(5 [pid 5082] rmdir("./56" [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... rmdir resumed>) = 0 [pid 6359] <... mount resumed>) = 0 [pid 6351] close(6 [pid 6347] close(6 [pid 5082] mkdir("./57", 0777 [pid 6359] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... mkdir resumed>) = 0 [pid 6359] <... openat resumed>) = 3 [pid 6351] close(7 [pid 6347] close(7 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6359] chdir("./file0" [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 3 [pid 6359] <... chdir resumed>) = 0 [pid 6351] close(8 [pid 6347] close(8 [pid 5082] ioctl(3, LOOP_CLR_FD [pid 6363] <... write resumed>) = 4194304 [pid 6359] ioctl(4, LOOP_CLR_FD [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6351] close(9 [pid 6347] close(9 [pid 5082] close(3 [pid 6363] munmap(0x7f87c00f0000, 4194304 [pid 6359] <... ioctl resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 6363] <... munmap resumed>) = 0 [pid 6359] close(4 [pid 6351] close(10 [pid 6347] close(10 [pid 6363] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6359] <... close resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6363] <... openat resumed>) = 4 [ 155.384938][ T6359] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 155.397920][ T6359] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 6359] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] close(11 [pid 6347] close(11 [pid 6363] ioctl(4, LOOP_SET_FD, 3 [pid 6359] <... futex resumed>) = 1 [pid 6358] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6366 attached [pid 6359] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6358] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] set_robust_list(0x5555565af5e0, 24 [pid 6359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6358] <... futex resumed>) = 0 [pid 6351] close(12 [pid 6347] close(12 [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 162 [pid 6366] <... set_robust_list resumed>) = 0 [pid 6359] mkdir("./file1", 000 [pid 6358] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] chdir("./57" [pid 6359] <... mkdir resumed>) = 0 [pid 6351] close(13 [pid 6347] close(13 [pid 6366] <... chdir resumed>) = 0 [pid 6359] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6359] <... futex resumed>) = 1 [pid 6358] <... futex resumed>) = 0 [pid 6351] close(14 [pid 6347] close(14 [pid 6366] <... prctl resumed>) = 0 [pid 6359] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6358] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] setpgid(0, 0 [pid 6359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6358] <... futex resumed>) = 0 [pid 6359] mkdir("./bus", 000 [pid 6358] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6359] <... mkdir resumed>) = 0 [pid 6359] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6358] <... futex resumed>) = 0 [pid 6359] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6358] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6358] <... futex resumed>) = 0 [pid 6359] mkdir("./file0", 000 [pid 6358] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6363] <... ioctl resumed>) = 0 [pid 6359] <... mkdir resumed>) = 0 [pid 6363] close(3 [pid 6359] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... close resumed>) = 0 [pid 6359] <... futex resumed>) = 1 [pid 6358] <... futex resumed>) = 0 [pid 6363] mkdir("./file0", 0777 [pid 6359] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6358] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... setpgid resumed>) = 0 [pid 6363] <... mkdir resumed>) = 0 [pid 6359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6358] <... futex resumed>) = 0 [pid 6351] close(15 [pid 6347] close(15 [pid 6366] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6363] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6359] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6358] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... symlink resumed>) = 0 [pid 6351] close(16) = -1 EBADF (Bad file descriptor) [pid 6347] close(16 [pid 6351] close(17 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6347] close(17 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... symlink resumed>) = 0 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] close(18 [pid 6351] close(18 [pid 6366] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... symlink resumed>) = 0 [pid 6351] close(19 [pid 6347] close(19 [pid 6366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... openat resumed>) = 3 [pid 6351] close(20 [pid 6347] close(20 [pid 6366] write(3, "1000", 4 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... write resumed>) = 4 [pid 6351] close(21 [pid 6347] close(21 [pid 6366] close(3 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... close resumed>) = 0 [pid 6366] read(200, [pid 6351] close(22 [pid 6347] close(22 [pid 6366] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] symlink("/dev/binderfs", "./binderfs" [pid 6351] close(23 [ 155.441836][ T6363] loop2: detected capacity change from 0 to 8192 [ 155.471147][ T6359] overlayfs: upper fs needs to support d_type. [pid 6347] close(23 [pid 6366] <... symlink resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] close(24 [pid 6347] close(24 [pid 5078] <... umount2 resumed>) = 0 [pid 6366] <... futex resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6351] close(25 [pid 6347] close(25 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6366] <... mmap resumed>) = 0x7f87c84f0000 [pid 6358] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./54/file0", [pid 6366] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6351] close(26 [pid 6347] close(26 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6366] <... mprotect resumed>) = 0 [pid 6358] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6366] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6351] close(27 [pid 6347] close(27 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6368 attached [pid 6358] <... futex resumed>) = 0 [pid 6351] close(28 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./54/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6368] set_robust_list(0x7f87c85109e0, 24 [pid 6366] <... clone resumed>, parent_tid=[163], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 163 [pid 6358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] close(28 [pid 6368] <... set_robust_list resumed>) = 0 [pid 6366] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] close(29 [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 4 [pid 6366] <... futex resumed>) = 0 [pid 6368] memfd_create("syzkaller", 0 [pid 6366] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] close(29 [pid 6368] <... memfd_create resumed>) = 3 [pid 5078] fstat(4, [pid 6351] exit_group(0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6351] <... exit_group resumed>) = ? [pid 6347] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... futex resumed>) = ? [pid 6368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6364] <... futex resumed>) = ? [pid 6358] <... mmap resumed>) = 0x7f87c04cf000 [pid 6353] +++ exited with 0 +++ [ 155.487758][ T6359] overlayfs: upper fs does not support tmpfile. [ 155.496029][ T6363] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 155.507635][ T6359] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 155.531242][ T6363] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 6347] exit_group(0 [pid 5078] getdents64(4, [pid 6368] <... mmap resumed>) = 0x7f87c00f0000 [pid 6364] +++ exited with 0 +++ [pid 6359] <... mount resumed>) = 0 [pid 6358] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6351] +++ exited with 0 +++ [pid 6361] <... futex resumed>) = ? [pid 6358] <... mprotect resumed>) = 0 [pid 6350] <... futex resumed>) = ? [pid 6347] <... exit_group resumed>) = ? [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6358] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[161], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 161 [pid 5079] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6358] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6369 attached [pid 6359] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... futex resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6361] +++ exited with 0 +++ [pid 6358] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] <... openat resumed>) = 3 [pid 6350] +++ exited with 0 +++ [pid 6347] +++ exited with 0 +++ [pid 5079] fstat(3, [pid 5078] getdents64(4, [pid 6369] set_robust_list(0x7f87c04ef9e0, 24 [pid 6359] <... futex resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6369] <... set_robust_list resumed>) = 0 [pid 6359] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=22 /* 0.22 s */} --- [pid 5079] getdents64(3, [pid 6369] mkdir(".", 0777 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] close(4 [pid 6369] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5079] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6369] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... close resumed>) = 0 [pid 5079] lstat("./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] rmdir("./54/file0" [pid 5079] unlink("./55/binderfs") = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5079] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./55/cgroup", [pid 5080] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] unlink("./55/cgroup" [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... unlink resumed>) = 0 [ 155.545831][ T6363] REISERFS (device loop2): using ordered data mode [ 155.554807][ T6363] reiserfs: using flush barriers [ 155.579793][ T6369] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5078] lstat("./54/cgroup.cpu", [pid 5079] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./55/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./55/cgroup.net") = 0 [pid 5079] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6369] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6369] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... futex resumed>) = 0 [pid 6358] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6358] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] <... futex resumed>) = 1 [pid 6369] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6359] <... futex resumed>) = 0 [pid 5080] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6359] unlink(NULL [pid 5080] <... openat resumed>) = 3 [pid 5078] unlink("./54/cgroup.cpu" [pid 6359] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6359] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5080] fstat(3, [pid 5078] <... unlink resumed>) = 0 [pid 6359] <... futex resumed>) = 1 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(3, [pid 6359] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5080] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6358] <... futex resumed>) = 0 [pid 6358] close(3) = 0 [pid 6368] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6358] close(4 [pid 5080] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] close(3 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] lstat("./55/binderfs", [pid 5078] <... close resumed>) = 0 [pid 6358] close(5 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] rmdir("./54" [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] unlink("./55/binderfs" [pid 6358] close(6 [pid 5080] <... unlink resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [ 155.595775][ T6363] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 155.618762][ T6363] REISERFS (device loop2): checking transaction log (loop2) [ 155.631482][ T6363] REISERFS (device loop2): Using r5 hash to sort names [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] mkdir("./55", 0777 [pid 6358] close(7 [pid 6363] <... mount resumed>) = 0 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... mkdir resumed>) = 0 [pid 6358] close(8 [pid 5080] lstat("./55/cgroup", [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] <... openat resumed>) = 3 [pid 6358] close(9 [pid 5080] unlink("./55/cgroup" [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... unlink resumed>) = 0 [pid 6363] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6363] <... openat resumed>) = 3 [pid 6358] close(10 [pid 5080] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] close(3 [pid 6363] chdir("./file0" [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... close resumed>) = 0 [pid 6363] <... chdir resumed>) = 0 [pid 6358] close(11 [pid 5080] lstat("./55/cgroup.net", [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6370 attached [pid 6363] ioctl(4, LOOP_CLR_FD [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6370] set_robust_list(0x5555565af5e0, 24 [pid 6363] <... ioctl resumed>) = 0 [pid 6358] close(12 [pid 5080] unlink("./55/cgroup.net" [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 151 [pid 6370] <... set_robust_list resumed>) = 0 [pid 6363] close(4 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... unlink resumed>) = 0 [pid 6370] chdir("./55" [pid 6363] <... close resumed>) = 0 [pid 6358] close(13 [pid 5080] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6370] <... chdir resumed>) = 0 [pid 6363] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [pid 6358] close(14 [pid 6370] <... prctl resumed>) = 0 [pid 6363] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] setpgid(0, 0 [pid 6358] close(15 [pid 6370] <... setpgid resumed>) = 0 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6358] close(16 [pid 6370] <... symlink resumed>) = 0 [pid 6362] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6363] <... futex resumed>) = 0 [pid 6362] <... futex resumed>) = 1 [pid 6358] close(17 [pid 6370] <... symlink resumed>) = 0 [ 155.642759][ T6363] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 155.657881][ T6363] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 6363] mkdir("./file1", 000 [pid 6362] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6363] <... mkdir resumed>) = 0 [pid 6358] close(18 [pid 6370] <... symlink resumed>) = 0 [pid 6363] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [pid 6358] close(19 [pid 6370] <... openat resumed>) = 3 [pid 6363] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] write(3, "1000", 4 [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6362] <... futex resumed>) = 0 [pid 6358] close(20 [pid 6370] <... write resumed>) = 4 [pid 6363] mkdir("./bus", 000 [pid 6362] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(3 [pid 6363] <... mkdir resumed>) = 0 [pid 6358] close(21 [pid 6370] <... close resumed>) = 0 [pid 6363] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] read(200, [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [pid 6358] close(22 [pid 6370] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6363] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] symlink("/dev/binderfs", "./binderfs" [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6362] <... futex resumed>) = 0 [pid 6358] close(23 [pid 6370] <... symlink resumed>) = 0 [pid 6363] mkdir("./file0", 000 [pid 6362] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... mkdir resumed>) = 0 [pid 6358] close(24 [pid 6370] <... futex resumed>) = 0 [pid 6363] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [pid 6358] close(25 [pid 6370] <... mmap resumed>) = 0x7f87c84f0000 [pid 6363] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6362] <... futex resumed>) = 0 [pid 6358] close(26 [pid 6370] <... mprotect resumed>) = 0 [pid 6363] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6362] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6358] close(27./strace-static-x86_64: Process 6371 attached ) = -1 EBADF (Bad file descriptor) [pid 6371] set_robust_list(0x7f87c85109e0, 24 [pid 6370] <... clone resumed>, parent_tid=[152], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 152 [pid 6358] close(28 [pid 6371] <... set_robust_list resumed>) = 0 [pid 6370] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] memfd_create("syzkaller", 0 [pid 6370] <... futex resumed>) = 0 [pid 6358] close(29 [pid 6371] <... memfd_create resumed>) = 3 [pid 6370] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6358] exit_group(0 [pid 6371] <... mmap resumed>) = 0x7f87c00f0000 [pid 6369] <... futex resumed>) = ? [pid 6359] <... futex resumed>) = ? [pid 6358] <... exit_group resumed>) = ? [pid 6369] +++ exited with 0 +++ [pid 6359] +++ exited with 0 +++ [pid 6358] +++ exited with 0 +++ [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=159, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5081] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5081] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] unlink("./56/binderfs") = 0 [pid 5081] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./56/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] unlink("./56/cgroup") = 0 [pid 5081] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./56/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [ 155.739176][ T6363] overlayfs: upper fs needs to support d_type. [ 155.745668][ T6363] overlayfs: upper fs does not support tmpfile. [pid 5081] unlink("./56/cgroup.net" [pid 6362] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5081] <... unlink resumed>) = 0 [pid 6362] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6362] <... futex resumed>) = 0 [pid 6362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6362] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6362] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[156], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 156 ./strace-static-x86_64: Process 6372 attached [pid 6362] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] set_robust_list(0x7f87c04ef9e0, 24 [pid 6362] <... futex resumed>) = 0 [pid 6372] <... set_robust_list resumed>) = 0 [pid 6362] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] <... umount2 resumed>) = 0 [pid 6372] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 6372] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5079] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./55/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./55/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] close(4) = 0 [pid 5079] rmdir("./55/file0" [pid 5080] <... umount2 resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5079] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./55/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] lstat("./55/cgroup.cpu", [pid 6371] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6368] <... write resumed>) = 4194304 [pid 5080] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./55/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5080] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] close(4) = 0 [pid 5080] rmdir("./55/file0") = 0 [pid 5080] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./55/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./55/cgroup.cpu") = 0 [pid 5080] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] close(3) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] rmdir("./55" [pid 6368] munmap(0x7f87c00f0000, 4194304 [pid 5080] <... rmdir resumed>) = 0 [pid 5079] unlink("./55/cgroup.cpu" [pid 5080] mkdir("./56", 0777 [pid 6368] <... munmap resumed>) = 0 [pid 5080] <... mkdir resumed>) = 0 [pid 6368] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5079] <... unlink resumed>) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6368] <... openat resumed>) = 4 [pid 5080] <... openat resumed>) = 3 [pid 5079] getdents64(3, [pid 5080] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 6368] ioctl(4, LOOP_SET_FD, 3 [pid 5080] close(3 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [ 155.835492][ T6363] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 155.868415][ T6372] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5080] <... close resumed>) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] close(3./strace-static-x86_64: Process 6373 attached [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 153 [pid 6373] set_robust_list(0x5555565af5e0, 24) = 0 [pid 6373] chdir("./56") = 0 [pid 6373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6373] setpgid(0, 0) = 0 [pid 6373] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5079] <... close resumed>) = 0 [pid 5079] rmdir("./55" [pid 6373] <... symlink resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 6373] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5079] mkdir("./56", 0777 [pid 6373] <... symlink resumed>) = 0 [pid 6373] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5079] <... mkdir resumed>) = 0 [pid 6373] <... symlink resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6363] <... mount resumed>) = 0 [pid 6373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... openat resumed>) = 3 [pid 6372] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6368] <... ioctl resumed>) = 0 [pid 6363] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6373] <... openat resumed>) = 3 [pid 6372] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] close(3 [pid 6363] <... futex resumed>) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6373] write(3, "1000", 4 [pid 5079] close(3 [pid 6373] <... write resumed>) = 4 [pid 5079] <... close resumed>) = 0 [pid 6373] close(3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6373] <... close resumed>) = 0 [pid 6373] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6373] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6374 attached ) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 155 [pid 6373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6374] set_robust_list(0x5555565af5e0, 24 [pid 6373] <... mmap resumed>) = 0x7f87c84f0000 [pid 6373] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6374] <... set_robust_list resumed>) = 0 [pid 6368] <... close resumed>) = 0 [pid 6363] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [pid 6374] chdir("./56" [pid 6368] mkdir("./file0", 0777 [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6372] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] <... chdir resumed>) = 0 [pid 6374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6373] <... mprotect resumed>) = 0 [pid 6368] <... mkdir resumed>) = 0 [pid 6363] unlink(NULL [pid 6362] <... futex resumed>) = 0 [pid 6374] <... prctl resumed>) = 0 [pid 6374] setpgid(0, 0 [pid 6362] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] <... setpgid resumed>) = 0 [pid 6368] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6363] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6374] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6373] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6363] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6376 attached [pid 6374] <... symlink resumed>) = 0 [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [pid 6376] set_robust_list(0x7f87c85109e0, 24 [pid 6373] <... clone resumed>, parent_tid=[154], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 154 [pid 6376] <... set_robust_list resumed>) = 0 [pid 6373] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] memfd_create("syzkaller", 0 [pid 6373] <... futex resumed>) = 0 [pid 6376] <... memfd_create resumed>) = 3 [pid 6373] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 155.897333][ T6368] loop5: detected capacity change from 0 to 8192 [pid 6374] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6363] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] close(3 [pid 6374] <... symlink resumed>) = 0 [pid 6374] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6362] <... close resumed>) = 0 [pid 6374] <... symlink resumed>) = 0 [pid 6362] close(4 [pid 6374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] <... openat resumed>) = 3 [pid 6362] close(5) = -1 EBADF (Bad file descriptor) [pid 6374] write(3, "1000", 4 [pid 6362] close(6 [pid 6374] <... write resumed>) = 4 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] close(3 [pid 6362] close(7 [pid 6374] <... close resumed>) = 0 [pid 6371] <... write resumed>) = 4194304 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = 0 [pid 6374] read(200, [pid 6362] close(8 [pid 6374] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6371] munmap(0x7f87c00f0000, 4194304 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 155.960259][ T6368] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 155.977894][ T6368] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 155.995942][ T6368] REISERFS (device loop5): using ordered data mode [pid 5081] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6374] symlink("/dev/binderfs", "./binderfs" [pid 6371] <... munmap resumed>) = 0 [pid 6362] close(9 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6374] <... symlink resumed>) = 0 [pid 6371] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./56/file0", [pid 6374] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] <... openat resumed>) = 4 [pid 6362] close(10 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6371] ioctl(4, LOOP_SET_FD, 3 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./56/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5081] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6362] close(11 [pid 5081] getdents64(4, [pid 6374] <... mmap resumed>) = 0x7f87c84f0000 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6374] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6362] close(12 [pid 5081] getdents64(4, [pid 6374] <... mprotect resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6374] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6362] close(13 [pid 5081] close(4./strace-static-x86_64: Process 6377 attached [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 6377] set_robust_list(0x7f87c85109e0, 24 [pid 6374] <... clone resumed>, parent_tid=[156], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 156 [pid 6362] close(14 [pid 5081] rmdir("./56/file0" [pid 6377] <... set_robust_list resumed>) = 0 [pid 6374] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... rmdir resumed>) = 0 [pid 6377] memfd_create("syzkaller", 0 [pid 6374] <... futex resumed>) = 0 [pid 6362] close(15 [pid 5081] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6377] <... memfd_create resumed>) = 3 [pid 6374] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6377] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6362] close(16 [pid 5081] lstat("./56/cgroup.cpu", [pid 6377] <... mmap resumed>) = 0x7f87c00f0000 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6376] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6362] close(17 [pid 5081] unlink("./56/cgroup.cpu" [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... unlink resumed>) = 0 [pid 6362] close(18 [pid 5081] getdents64(3, [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6362] close(19 [pid 5081] close(3 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 6362] close(20 [pid 5081] rmdir("./56" [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... rmdir resumed>) = 0 [pid 6371] <... ioctl resumed>) = 0 [pid 6362] close(21 [pid 5081] mkdir("./57", 0777 [pid 6371] close(3 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... mkdir resumed>) = 0 [pid 6371] <... close resumed>) = 0 [pid 6362] close(22 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6371] mkdir("./file0", 0777 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... openat resumed>) = 3 [pid 6371] <... mkdir resumed>) = 0 [pid 6362] close(23 [pid 5081] ioctl(3, LOOP_CLR_FD [pid 6371] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6362] close(24 [ 156.007058][ T6368] reiserfs: using flush barriers [ 156.013480][ T6371] loop0: detected capacity change from 0 to 8192 [ 156.022162][ T6368] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 156.042314][ T6368] REISERFS (device loop5): checking transaction log (loop5) [pid 5081] close(3 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 6362] close(25 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6379 attached [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6362] close(26 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 162 [pid 6379] set_robust_list(0x5555565af5e0, 24 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... set_robust_list resumed>) = 0 [pid 6362] close(27 [pid 6379] chdir("./57" [pid 6376] <... write resumed>) = 4194304 [pid 6368] <... mount resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... chdir resumed>) = 0 [pid 6376] munmap(0x7f87c00f0000, 4194304 [pid 6368] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6376] <... munmap resumed>) = 0 [ 156.068834][ T6368] REISERFS (device loop5): Using r5 hash to sort names [ 156.095860][ T6368] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6368] <... openat resumed>) = 3 [pid 6379] <... prctl resumed>) = 0 [pid 6376] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6368] chdir("./file0" [pid 6379] setpgid(0, 0 [pid 6376] <... openat resumed>) = 4 [pid 6368] <... chdir resumed>) = 0 [pid 6379] <... setpgid resumed>) = 0 [pid 6376] ioctl(4, LOOP_SET_FD, 3 [pid 6368] ioctl(4, LOOP_CLR_FD [pid 6379] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6377] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6362] close(28 [pid 6379] <... symlink resumed>) = 0 [pid 6376] <... ioctl resumed>) = 0 [pid 6368] <... ioctl resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6376] close(3 [pid 6368] close(4 [pid 6362] close(29 [pid 6379] <... symlink resumed>) = 0 [pid 6376] <... close resumed>) = 0 [pid 6368] <... close resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] symlink("/syzcgroup/net/syz3", "./cgroup.net" [ 156.096211][ T6371] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 156.110042][ T6368] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 156.125809][ T6376] loop4: detected capacity change from 0 to 8192 [ 156.141144][ T6371] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 156.152465][ T6371] REISERFS (device loop0): using ordered data mode [ 156.159759][ T6371] reiserfs: using flush barriers [pid 6376] mkdir("./file0", 0777 [pid 6368] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] exit_group(0 [pid 6379] <... symlink resumed>) = 0 [pid 6377] <... write resumed>) = 4194304 [pid 6376] <... mkdir resumed>) = 0 [pid 6368] <... futex resumed>) = 1 [pid 6366] <... futex resumed>) = 0 [pid 6379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6376] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6368] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6366] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] <... openat resumed>) = 3 [pid 6368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6366] <... futex resumed>) = 0 [pid 6379] write(3, "1000", 4 [pid 6368] mkdir("./file1", 000 [pid 6366] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6379] <... write resumed>) = 4 [pid 6368] <... mkdir resumed>) = 0 [pid 6379] close(3 [pid 6368] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] <... close resumed>) = 0 [pid 6368] <... futex resumed>) = 1 [pid 6366] <... futex resumed>) = 0 [pid 6379] read(200, [pid 6368] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6366] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6366] <... futex resumed>) = 0 [pid 6379] symlink("/dev/binderfs", "./binderfs" [pid 6368] mkdir("./bus", 000 [pid 6366] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6379] <... symlink resumed>) = 0 [pid 6368] <... mkdir resumed>) = 0 [ 156.192915][ T6371] 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 [ 156.216743][ T6376] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6379] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... futex resumed>) = ? [pid 6368] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... futex resumed>) = ? [pid 6362] <... exit_group resumed>) = ? [pid 6379] <... futex resumed>) = 0 [pid 6377] munmap(0x7f87c00f0000, 4194304 [pid 6372] +++ exited with 0 +++ [pid 6368] <... futex resumed>) = 0 [pid 6366] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6363] +++ exited with 0 +++ [pid 6379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6368] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6366] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] <... mmap resumed>) = 0x7f87c84f0000 [pid 6368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6366] <... futex resumed>) = 0 [pid 6379] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6368] mkdir("./file0", 000 [pid 6366] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6379] <... mprotect resumed>) = 0 [pid 6368] <... mkdir resumed>) = 0 [pid 6379] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6368] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6381 attached ) = 1 [pid 6366] <... futex resumed>) = 0 [pid 6381] set_robust_list(0x7f87c85109e0, 24 [pid 6379] <... clone resumed>, parent_tid=[163], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 163 [pid 6368] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6366] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... set_robust_list resumed>) = 0 [pid 6379] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6366] <... futex resumed>) = 0 [pid 6381] memfd_create("syzkaller", 0 [pid 6379] <... futex resumed>) = 0 [ 156.217119][ T6371] REISERFS (device loop0): checking transaction log (loop0) [ 156.249129][ T6376] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 156.249559][ T6371] REISERFS (device loop0): Using r5 hash to sort names [ 156.265689][ T6376] REISERFS (device loop4): using ordered data mode [pid 6368] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6366] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6381] <... memfd_create resumed>) = 3 [pid 6379] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6377] <... munmap resumed>) = 0 [pid 6362] +++ exited with 0 +++ [pid 6381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [ 156.291150][ T6368] overlayfs: upper fs needs to support d_type. [ 156.293165][ T6376] reiserfs: using flush barriers [ 156.307418][ T6368] overlayfs: upper fs does not support tmpfile. [ 156.311629][ T6371] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6377] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 6377] <... openat resumed>) = 4 [pid 6381] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 156.336760][ T6376] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 156.339479][ T6368] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 156.362626][ T6376] REISERFS (device loop4): checking transaction log (loop4) [pid 6377] ioctl(4, LOOP_SET_FD, 3 [pid 5083] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5083] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6366] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6366] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6366] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6366] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[164], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 164 [pid 6366] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6366] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5083] unlink("./55/binderfs" [pid 6377] <... ioctl resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 6377] close(3 [pid 5083] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6377] <... close resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6377] mkdir("./file0", 0777 [pid 5083] lstat("./55/cgroup", [pid 6377] <... mkdir resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./55/cgroup" [pid 6377] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6371] <... mount resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [ 156.383102][ T6371] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 156.383242][ T6377] loop1: detected capacity change from 0 to 8192 [ 156.416193][ T6376] REISERFS (device loop4): Using r5 hash to sort names [pid 5083] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6371] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6371] chdir("./file0") = 0 [pid 6371] ioctl(4, LOOP_CLR_FD) = 0 [pid 6371] close(4./strace-static-x86_64: Process 6382 attached [pid 6381] <... write resumed>) = 4194304 [pid 6376] <... mount resumed>) = 0 [pid 6368] <... mount resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6376] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6371] <... close resumed>) = 0 [ 156.438130][ T6376] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 156.458005][ T6376] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 156.466066][ T6377] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6382] set_robust_list(0x7f87c04ef9e0, 24 [pid 6381] munmap(0x7f87c00f0000, 4194304 [pid 6376] <... openat resumed>) = 3 [pid 6371] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] lstat("./55/cgroup.net", [pid 6376] chdir("./file0" [pid 6371] <... futex resumed>) = 1 [pid 6370] <... futex resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6376] <... chdir resumed>) = 0 [pid 6371] mkdir("./file1", 000 [pid 6370] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] unlink("./55/cgroup.net" [pid 6376] ioctl(4, LOOP_CLR_FD) = 0 [pid 6370] <... futex resumed>) = 0 [pid 6370] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6371] <... mkdir resumed>) = 0 [pid 6376] close(4 [pid 5083] <... unlink resumed>) = 0 [pid 6371] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] <... set_robust_list resumed>) = 0 [pid 6381] <... munmap resumed>) = 0 [pid 6376] <... close resumed>) = 0 [pid 6371] <... futex resumed>) = 1 [pid 6370] <... futex resumed>) = 0 [pid 6368] <... futex resumed>) = 0 [pid 5083] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6382] mkdir(".", 0777 [pid 6381] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6376] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] mkdir("./bus", 000 [pid 6370] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6373] <... futex resumed>) = 0 [pid 6376] <... futex resumed>) = 1 [pid 6381] <... openat resumed>) = 4 [pid 6382] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6370] <... futex resumed>) = 0 [pid 6370] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6371] <... mkdir resumed>) = 0 [pid 6376] mkdir("./file1", 000 [pid 6373] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6381] ioctl(4, LOOP_SET_FD, 3 [pid 6373] <... futex resumed>) = 0 [pid 6373] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] <... mkdir resumed>) = 0 [ 156.498852][ T6377] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 156.520555][ T6377] REISERFS (device loop1): using ordered data mode [ 156.537996][ T6381] loop3: detected capacity change from 0 to 8192 [pid 6381] <... ioctl resumed>) = 0 [pid 6376] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... futex resumed>) = 1 [pid 6373] <... futex resumed>) = 0 [pid 6371] <... futex resumed>) = 1 [pid 6370] <... futex resumed>) = 0 [pid 6381] close(3 [pid 6376] mkdir("./bus", 000 [pid 6373] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6370] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... close resumed>) = 0 [pid 6376] <... mkdir resumed>) = 0 [pid 6373] <... futex resumed>) = 0 [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6370] <... futex resumed>) = 0 [pid 6381] mkdir("./file0", 0777 [pid 6376] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6371] mkdir("./file0", 000 [pid 6370] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6381] <... mkdir resumed>) = 0 [pid 6376] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6371] <... mkdir resumed>) = 0 [pid 6381] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6376] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6373] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] <... futex resumed>) = 0 [pid 6371] <... futex resumed>) = 1 [pid 6370] <... futex resumed>) = 0 [pid 6376] mkdir("./file0", 000 [pid 6373] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6371] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6370] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... mkdir resumed>) = 0 [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6370] <... futex resumed>) = 0 [ 156.546324][ T6377] reiserfs: using flush barriers [ 156.564384][ T6382] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6376] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6370] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] <... futex resumed>) = 1 [pid 6373] <... futex resumed>) = 0 [pid 6376] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6373] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] <... futex resumed>) = 0 [pid 6376] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [ 156.587360][ T6381] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 156.608897][ T6371] overlayfs: upper fs needs to support d_type. [ 156.610719][ T6381] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 156.616062][ T6371] overlayfs: upper fs does not support tmpfile. [ 156.627295][ T6381] REISERFS (device loop3): using ordered data mode [ 156.634698][ T6376] overlayfs: upper fs needs to support d_type. [pid 6373] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6370] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6370] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6370] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6373] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6373] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6373] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6373] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6385 attached [pid 6370] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6386 attached [pid 6385] set_robust_list(0x7f87c04ef9e0, 24 [pid 6373] <... clone resumed>, parent_tid=[155], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 155 [pid 6385] <... set_robust_list resumed>) = 0 [pid 6373] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6385] mkdir(".", 0777 [pid 6373] <... futex resumed>) = 0 [pid 6385] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6373] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6386] set_robust_list(0x7f87c04ef9e0, 24 [pid 6385] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6370] <... clone resumed>, parent_tid=[153], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 153 [pid 6386] <... set_robust_list resumed>) = 0 [pid 6370] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] mkdir(".", 0777 [pid 6370] <... futex resumed>) = 0 [pid 6386] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6370] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 156.642509][ T6381] reiserfs: using flush barriers [ 156.682215][ T6381] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 156.687164][ T6376] overlayfs: upper fs does not support tmpfile. [ 156.706041][ T6385] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6386] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6382] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... umount2 resumed>) = 0 [pid 6382] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6382] <... futex resumed>) = 1 [pid 6366] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6366] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6366] <... futex resumed>) = 1 [pid 5083] lstat("./55/file0", [pid 6366] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6368] <... futex resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6368] unlink(NULL [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6368] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6368] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6368] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6385] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6385] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... futex resumed>) = 0 [ 156.715142][ T6377] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 156.725144][ T6386] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 156.746715][ T6377] REISERFS (device loop1): checking transaction log (loop1) [ 156.756443][ T6381] REISERFS (device loop3): checking transaction log (loop3) [ 156.770861][ T6377] REISERFS (device loop1): Using r5 hash to sort names [pid 6373] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] openat(AT_FDCWD, "./55/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6366] <... futex resumed>) = 0 [pid 6366] close(3 [pid 5083] <... openat resumed>) = 4 [pid 6373] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6385] <... futex resumed>) = 1 [pid 6385] unlink(NULL) = -1 EFAULT (Bad address) [pid 6385] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... futex resumed>) = 0 [pid 6385] <... futex resumed>) = 1 [pid 6366] <... close resumed>) = 0 [pid 5083] fstat(4, [pid 6385] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6366] close(4 [pid 6386] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6377] <... mount resumed>) = 0 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6376] <... mount resumed>) = 0 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5083] getdents64(4, [pid 6386] <... futex resumed>) = 1 [pid 6377] <... openat resumed>) = 3 [pid 6366] close(5 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6386] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6377] chdir("./file0" [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] getdents64(4, [pid 6377] <... chdir resumed>) = 0 [ 156.778198][ T6376] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 156.788076][ T6377] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 156.802338][ T6377] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 156.813121][ T6381] REISERFS (device loop3): Using r5 hash to sort names [ 156.813897][ T6371] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6371] <... mount resumed>) = 0 [pid 6366] close(6 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6376] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6373] close(3 [pid 6376] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6373] <... close resumed>) = 0 [pid 6373] close(4) = -1 EBADF (Bad file descriptor) [pid 6373] close(5) = -1 EBADF (Bad file descriptor) [pid 6373] close(6) = -1 EBADF (Bad file descriptor) [pid 6373] close(7) = -1 EBADF (Bad file descriptor) [pid 6373] close(8) = -1 EBADF (Bad file descriptor) [pid 6373] close(9 [pid 6377] ioctl(4, LOOP_CLR_FD [pid 6373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] close(4 [pid 6373] close(10) = -1 EBADF (Bad file descriptor) [pid 6373] close(11) = -1 EBADF (Bad file descriptor) [pid 6373] close(12) = -1 EBADF (Bad file descriptor) [pid 6373] close(13) = -1 EBADF (Bad file descriptor) [pid 6373] close(14) = -1 EBADF (Bad file descriptor) [pid 6381] <... mount resumed>) = 0 [pid 6377] <... ioctl resumed>) = 0 [pid 6371] <... futex resumed>) = 0 [pid 6370] <... futex resumed>) = 0 [pid 6366] close(7 [pid 5083] <... close resumed>) = 0 [pid 6381] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6377] close(4 [pid 6373] close(15 [pid 6371] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6370] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] rmdir("./55/file0" [pid 6377] <... close resumed>) = 0 [pid 6373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] <... futex resumed>) = 0 [pid 6377] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] close(16 [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6370] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6366] close(8 [pid 5083] <... rmdir resumed>) = 0 [pid 6377] <... futex resumed>) = 1 [pid 6374] <... futex resumed>) = 0 [pid 6373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] unlink(NULL [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6381] <... openat resumed>) = 3 [pid 6377] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] close(17 [pid 6371] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6366] close(9 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6381] chdir("./file0" [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6374] <... futex resumed>) = 0 [pid 6373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] lstat("./55/cgroup.cpu", [pid 6381] <... chdir resumed>) = 0 [pid 6377] mkdir("./file1", 000 [pid 6374] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] close(18 [pid 6371] <... futex resumed>) = 1 [pid 6370] <... futex resumed>) = 0 [pid 6366] close(10 [pid 6373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6370] close(3 [pid 6377] <... mkdir resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] ioctl(4, LOOP_CLR_FD) = 0 [pid 6377] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] close(19 [pid 6370] <... close resumed>) = 0 [pid 6366] close(11 [pid 5083] unlink("./55/cgroup.cpu" [pid 6381] close(4 [pid 6377] <... futex resumed>) = 1 [pid 6374] <... futex resumed>) = 0 [pid 6373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(4 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... unlink resumed>) = 0 [pid 6381] <... close resumed>) = 0 [pid 6377] mkdir("./bus", 000 [pid 6374] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] close(20 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(12 [pid 5083] getdents64(3, [pid 6381] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] <... mkdir resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(5 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6381] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 0 [pid 6377] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] close(21 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(13 [pid 5083] close(3 [pid 6381] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(6 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = 0 [pid 6381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] <... futex resumed>) = 0 [pid 6377] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] close(22 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(14 [pid 5083] rmdir("./55" [pid 6381] mkdir("./file1", 000 [pid 6379] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6374] <... futex resumed>) = 0 [pid 6373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(7 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... rmdir resumed>) = 0 [pid 6381] <... mkdir resumed>) = 0 [pid 6377] mkdir("./file0", 000 [pid 6374] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] close(23 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(15 [pid 5083] mkdir("./56", 0777 [pid 6381] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] <... mkdir resumed>) = 0 [pid 6373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(8 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... mkdir resumed>) = 0 [pid 6381] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 0 [pid 6377] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] close(24 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(16 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6381] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] <... futex resumed>) = 1 [pid 6374] <... futex resumed>) = 0 [pid 6373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(9 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... openat resumed>) = 3 [pid 6381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] <... futex resumed>) = 0 [ 156.834735][ T6381] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 156.851433][ T6381] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 6377] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] close(25 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(17 [pid 5083] ioctl(3, LOOP_CLR_FD [pid 6381] mkdir("./bus", 000 [pid 6379] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6374] <... futex resumed>) = 0 [pid 6373] close(26 [pid 6370] close(10 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6381] <... mkdir resumed>) = 0 [pid 6374] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6373] close(27) = -1 EBADF (Bad file descriptor) [pid 6373] close(28 [pid 6381] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(18 [pid 5083] close(3 [pid 6373] close(29) = -1 EBADF (Bad file descriptor) [pid 6373] exit_group(0 [pid 6385] <... futex resumed>) = ? [pid 6376] <... futex resumed>) = ? [pid 6373] <... exit_group resumed>) = ? [pid 6385] +++ exited with 0 +++ [pid 6381] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 0 [pid 6376] +++ exited with 0 +++ [pid 6373] +++ exited with 0 +++ [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5083] <... close resumed>) = 0 [pid 6381] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(19 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=153, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- ./strace-static-x86_64: Process 6387 attached [pid 6381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] <... futex resumed>) = 0 [pid 6370] close(11 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] set_robust_list(0x5555565af5e0, 24 [pid 6381] mkdir("./file0", 000 [pid 6379] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(20 [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 157 [pid 6387] <... set_robust_list resumed>) = 0 [pid 6381] <... mkdir resumed>) = 0 [pid 6370] close(12 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6387] chdir("./56" [pid 6381] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(21 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6387] <... chdir resumed>) = 0 [pid 5080] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... openat resumed>) = 3 [pid 6387] <... prctl resumed>) = 0 [pid 5080] fstat(3, [pid 6387] setpgid(0, 0 [pid 6381] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 0 [pid 6370] close(13 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6387] <... setpgid resumed>) = 0 [pid 6381] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(22 [pid 5080] getdents64(3, [pid 6387] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6379] <... futex resumed>) = 0 [pid 6377] <... mount resumed>) = 0 [pid 6370] close(14 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6387] <... symlink resumed>) = 0 [pid 6381] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6379] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 156.927194][ T6377] overlayfs: upper fs needs to support d_type. [ 156.934284][ T6377] overlayfs: upper fs does not support tmpfile. [ 156.964110][ T6377] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6366] close(23 [pid 5080] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6387] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6377] <... futex resumed>) = 1 [pid 6374] <... futex resumed>) = 0 [pid 6370] close(15 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(24 [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6374] <... futex resumed>) = 0 [pid 6370] close(16 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] mkdir(".", 0777 [pid 6374] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(25 [pid 6377] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6370] close(17 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(26 [pid 6370] close(18 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(27 [pid 6370] close(19 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(28 [pid 6370] close(20 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(29 [pid 6370] close(21 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] exit_group(0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6387] <... symlink resumed>) = 0 [pid 6382] <... futex resumed>) = ? [pid 6370] close(22 [pid 6366] <... exit_group resumed>) = ? [pid 6382] +++ exited with 0 +++ [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] <... futex resumed>) = ? [pid 5080] lstat("./56/binderfs", [pid 6370] close(23) = -1 EBADF (Bad file descriptor) [pid 6370] close(24 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6370] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] close(25) = -1 EBADF (Bad file descriptor) [pid 6370] close(26) = -1 EBADF (Bad file descriptor) [pid 6370] close(27) = -1 EBADF (Bad file descriptor) [pid 6370] close(28) = -1 EBADF (Bad file descriptor) [pid 6370] close(29) = -1 EBADF (Bad file descriptor) [pid 6370] exit_group(0 [pid 6368] +++ exited with 0 +++ [pid 6366] +++ exited with 0 +++ [pid 6386] <... futex resumed>) = ? [pid 6371] <... futex resumed>) = ? [pid 6370] <... exit_group resumed>) = ? [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 6387] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5080] unlink("./56/binderfs" [pid 6386] +++ exited with 0 +++ [pid 6371] +++ exited with 0 +++ [pid 6370] +++ exited with 0 +++ [pid 6387] <... symlink resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=151, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=28 /* 0.28 s */} --- [pid 6387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... unlink resumed>) = 0 [pid 6387] <... openat resumed>) = 3 [pid 6387] write(3, "1000", 4 [pid 5082] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6387] <... write resumed>) = 4 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6387] close(3 [pid 5082] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] lstat("./56/cgroup", [pid 5078] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./55/binderfs") = 0 [pid 5078] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./55/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./55/cgroup") = 0 [pid 5078] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./55/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./55/cgroup.net") = 0 [pid 5078] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6387] <... close resumed>) = 0 [pid 6377] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... openat resumed>) = 3 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6387] read(200, [pid 5082] fstat(3, [pid 5080] unlink("./56/cgroup" [pid 6387] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 6387] symlink("/dev/binderfs", "./binderfs" [pid 5082] getdents64(3, [pid 5080] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6387] <... symlink resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6387] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] lstat("./56/cgroup.net", [pid 6387] <... futex resumed>) = 0 [pid 6377] <... futex resumed>) = 1 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6377] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] <... futex resumed>) = 0 [pid 5082] lstat("./57/binderfs", [pid 5080] unlink("./56/cgroup.net" [pid 6387] <... mmap resumed>) = 0x7f87c84f0000 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 6387] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6374] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] unlink("./57/binderfs" [pid 5080] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6387] <... mprotect resumed>) = 0 [pid 6377] <... futex resumed>) = 0 [pid 6374] <... futex resumed>) = 1 [pid 5082] <... unlink resumed>) = 0 [pid 6387] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6377] unlink(NULL [pid 5082] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6388 attached [pid 6377] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6374] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6388] set_robust_list(0x7f87c85109e0, 24 [pid 6387] <... clone resumed>, parent_tid=[158], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 158 [pid 6377] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] lstat("./57/cgroup", [pid 6388] <... set_robust_list resumed>) = 0 [pid 6387] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] <... futex resumed>) = 0 [pid 6374] close(3 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6387] <... futex resumed>) = 0 [pid 6377] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] unlink("./57/cgroup" [pid 6388] memfd_create("syzkaller", 0 [pid 6387] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6374] <... close resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5082] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6374] close(4 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6388] <... memfd_create resumed>) = 3 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] lstat("./57/cgroup.net", [pid 6388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6374] close(5 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 156.984066][ T6381] overlayfs: upper fs needs to support d_type. [ 157.002697][ T6377] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 157.013049][ T6381] overlayfs: upper fs does not support tmpfile. [pid 5082] unlink("./57/cgroup.net" [pid 6388] <... mmap resumed>) = 0x7f87c00f0000 [pid 6379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6374] close(6 [pid 5082] <... unlink resumed>) = 0 [pid 5082] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6379] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... futex resumed>) = 0 [pid 6374] close(7) = -1 EBADF (Bad file descriptor) [pid 6374] close(8 [pid 6379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... mount resumed>) = 0 [pid 6379] <... mmap resumed>) = 0x7f87c04cf000 [pid 6374] close(9 [pid 6381] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6379] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... futex resumed>) = 0 [pid 6379] <... mprotect resumed>) = 0 [pid 6374] close(10 [pid 6381] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 157.045240][ T6381] overlayfs: upper fs does not support RENAME_WHITEOUT. ./strace-static-x86_64: Process 6389 attached [pid 6388] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6374] close(11 [pid 6389] set_robust_list(0x7f87c04ef9e0, 24 [pid 6379] <... clone resumed>, parent_tid=[164], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 164 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... set_robust_list resumed>) = 0 [pid 6379] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] close(12 [pid 6389] mkdir(".", 0777 [pid 6379] <... futex resumed>) = 0 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6379] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6374] close(13 [pid 6389] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] close(14) = -1 EBADF (Bad file descriptor) [pid 6374] close(15) = -1 EBADF (Bad file descriptor) [pid 6374] close(16) = -1 EBADF (Bad file descriptor) [pid 6374] close(17) = -1 EBADF (Bad file descriptor) [pid 6374] close(18) = -1 EBADF (Bad file descriptor) [pid 6374] close(19) = -1 EBADF (Bad file descriptor) [pid 6374] close(20) = -1 EBADF (Bad file descriptor) [pid 6374] close(21) = -1 EBADF (Bad file descriptor) [pid 6374] close(22) = -1 EBADF (Bad file descriptor) [pid 6374] close(23) = -1 EBADF (Bad file descriptor) [pid 6374] close(24) = -1 EBADF (Bad file descriptor) [pid 6374] close(25) = -1 EBADF (Bad file descriptor) [pid 6374] close(26) = -1 EBADF (Bad file descriptor) [pid 6374] close(27 [pid 5082] <... umount2 resumed>) = 0 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] close(28) = -1 EBADF (Bad file descriptor) [pid 6374] close(29) = -1 EBADF (Bad file descriptor) [pid 6374] exit_group(0 [pid 6377] <... futex resumed>) = ? [pid 6374] <... exit_group resumed>) = ? [pid 6377] +++ exited with 0 +++ [pid 6374] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=155, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5079] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5079] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 157.159436][ T6389] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5079] unlink("./56/binderfs") = 0 [pid 5079] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./56/cgroup", [pid 5082] lstat("./57/file0", [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6389] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] unlink("./56/cgroup" [pid 6389] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... unlink resumed>) = 0 [pid 6389] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 0 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6389] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] openat(AT_FDCWD, "./57/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6381] <... futex resumed>) = 0 [pid 6379] <... futex resumed>) = 1 [pid 5079] lstat("./56/cgroup.net", [pid 6381] unlink(NULL [pid 6379] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... openat resumed>) = 4 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6381] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 5082] fstat(4, [pid 5079] unlink("./56/cgroup.net" [pid 6381] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6388] <... write resumed>) = 4194304 [pid 6381] <... futex resumed>) = 1 [pid 6379] <... futex resumed>) = 0 [pid 5079] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6381] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6379] close(3 [pid 5082] getdents64(4, [pid 6388] munmap(0x7f87c00f0000, 4194304 [pid 6379] <... close resumed>) = 0 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] <... umount2 resumed>) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 6379] close(4 [pid 5082] getdents64(4, [pid 5080] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6388] <... munmap resumed>) = 0 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6388] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6379] close(5 [pid 5082] close(4 [pid 5080] lstat("./56/file0", [pid 5078] lstat("./55/file0", [pid 6388] <... openat resumed>) = 4 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5080] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6388] ioctl(4, LOOP_SET_FD, 3 [pid 6379] close(6 [pid 5082] rmdir("./57/file0" [pid 5080] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... rmdir resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6379] close(7 [pid 5082] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] openat(AT_FDCWD, "./56/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] openat(AT_FDCWD, "./55/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... openat resumed>) = 4 [pid 5078] <... openat resumed>) = 4 [pid 6388] <... ioctl resumed>) = 0 [pid 6379] close(8 [pid 5082] lstat("./57/cgroup.cpu", [pid 5080] fstat(4, [pid 5078] fstat(4, [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6379] close(9 [pid 5082] unlink("./57/cgroup.cpu" [pid 5080] getdents64(4, [pid 5078] getdents64(4, [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... unlink resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6379] close(10 [pid 5082] getdents64(3, [pid 5080] getdents64(4, [pid 5078] getdents64(4, [pid 6388] close(3 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6388] <... close resumed>) = 0 [pid 6379] close(11 [pid 5082] close(3 [pid 5080] close(4 [pid 5078] close(4 [pid 6388] mkdir("./file0", 0777 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5080] <... close resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 6379] close(12 [pid 5082] rmdir("./57" [pid 5080] rmdir("./56/file0" [pid 5078] rmdir("./55/file0" [pid 6388] <... mkdir resumed>) = 0 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... rmdir resumed>) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 6379] close(13 [pid 5082] mkdir("./58", 0777 [pid 5080] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6388] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... mkdir resumed>) = 0 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6379] close(14 [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5080] lstat("./56/cgroup.cpu", [pid 5078] lstat("./55/cgroup.cpu", [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 3 [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6379] close(15 [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5080] unlink("./56/cgroup.cpu" [pid 5078] unlink("./55/cgroup.cpu" [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5080] <... unlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6379] close(16 [pid 5082] close(3 [pid 5080] getdents64(3, [pid 5078] getdents64(3, [ 157.252054][ T6388] loop2: detected capacity change from 0 to 8192 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... close resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5079] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./56/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./56/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] close(4) = 0 [pid 5079] rmdir("./56/file0") = 0 [pid 6379] close(17 [pid 5079] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] close(3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] close(3 [pid 6379] close(18 [pid 5079] lstat("./56/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6391 attached [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 165 [pid 5080] <... close resumed>) = 0 [pid 5079] unlink("./56/cgroup.cpu" [pid 5078] <... close resumed>) = 0 [pid 6391] set_robust_list(0x5555565af5e0, 24 [pid 6379] close(19 [pid 5080] rmdir("./56" [pid 5079] <... unlink resumed>) = 0 [pid 5079] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5079] close(3) = 0 [pid 5079] rmdir("./56" [pid 6391] <... set_robust_list resumed>) = 0 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... rmdir resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] rmdir("./55" [pid 6391] chdir("./58" [pid 6379] close(20 [pid 5079] mkdir("./57", 0777 [pid 6391] <... chdir resumed>) = 0 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] mkdir("./57", 0777 [pid 5079] <... mkdir resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5079] close(3) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6379] close(21 [pid 5080] <... mkdir resumed>) = 0 [pid 5078] mkdir("./56", 0777 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 157 [ 157.313420][ T6388] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 157.335799][ T6388] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 157.352126][ T6388] REISERFS (device loop2): using ordered data mode ./strace-static-x86_64: Process 6392 attached [pid 6391] <... prctl resumed>) = 0 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5078] <... mkdir resumed>) = 0 [pid 6392] set_robust_list(0x5555565af5e0, 24 [pid 6391] setpgid(0, 0 [pid 6379] close(22 [pid 5080] <... openat resumed>) = 3 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6392] <... set_robust_list resumed>) = 0 [pid 6391] <... setpgid resumed>) = 0 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] ioctl(3, LOOP_CLR_FD [pid 5078] <... openat resumed>) = 3 [pid 5078] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5078] close(3 [pid 6392] chdir("./57" [pid 6391] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6379] close(23 [pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] <... close resumed>) = 0 [pid 6392] <... chdir resumed>) = 0 [pid 6391] <... symlink resumed>) = 0 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] close(3 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6391] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6379] close(24 [pid 5080] <... close resumed>) = 0 [pid 6392] <... prctl resumed>) = 0 [pid 6391] <... symlink resumed>) = 0 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6393 attached [pid 6392] setpgid(0, 0 [pid 6391] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6379] close(25 [pid 6393] set_robust_list(0x5555565af5e0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 154 [pid 6393] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6394 attached [pid 6393] chdir("./56" [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] <... chdir resumed>) = 0 [pid 6391] <... symlink resumed>) = 0 [pid 6379] close(26 [pid 6394] set_robust_list(0x5555565af5e0, 24 [pid 6393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6392] <... setpgid resumed>) = 0 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 156 [pid 6391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6394] <... set_robust_list resumed>) = 0 [pid 6393] <... prctl resumed>) = 0 [pid 6393] setpgid(0, 0 [pid 6392] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6379] close(27 [pid 6393] <... setpgid resumed>) = 0 [pid 6391] <... openat resumed>) = 3 [pid 6394] chdir("./57" [pid 6393] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6392] <... symlink resumed>) = 0 [pid 6391] write(3, "1000", 4 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] <... chdir resumed>) = 0 [pid 6393] <... symlink resumed>) = 0 [pid 6392] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6391] <... write resumed>) = 4 [pid 6379] close(28 [pid 6394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6393] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6392] <... symlink resumed>) = 0 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] <... prctl resumed>) = 0 [pid 6393] <... symlink resumed>) = 0 [pid 6392] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6391] close(3 [pid 6379] close(29 [pid 6394] setpgid(0, 0 [pid 6393] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6391] <... close resumed>) = 0 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] <... setpgid resumed>) = 0 [pid 6393] <... symlink resumed>) = 0 [pid 6392] <... symlink resumed>) = 0 [pid 6391] read(200, [pid 6379] exit_group(0 [pid 6393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6394] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6393] <... openat resumed>) = 3 [pid 6392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6391] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6389] <... futex resumed>) = ? [pid 6381] <... futex resumed>) = ? [pid 6379] <... exit_group resumed>) = ? [pid 6393] write(3, "1000", 4 [pid 6391] symlink("/dev/binderfs", "./binderfs" [pid 6389] +++ exited with 0 +++ [pid 6381] +++ exited with 0 +++ [pid 6392] <... openat resumed>) = 3 [pid 6393] <... write resumed>) = 4 [pid 6393] close(3) = 0 [pid 6393] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6393] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6379] +++ exited with 0 +++ [pid 6393] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... symlink resumed>) = 0 [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 6393] <... futex resumed>) = 0 [pid 6392] write(3, "1000", 4 [pid 6394] <... symlink resumed>) = 0 [pid 6394] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6392] <... write resumed>) = 4 [pid 6391] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... mmap resumed>) = 0x7f87c84f0000 [pid 6391] <... futex resumed>) = 0 [pid 6392] close(3 [pid 5081] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6394] <... symlink resumed>) = 0 [pid 6393] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6392] <... close resumed>) = 0 [pid 6391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6394] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6393] <... mprotect resumed>) = 0 [pid 6392] read(200, [pid 5081] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6394] <... symlink resumed>) = 0 [pid 6393] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6392] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] <... mmap resumed>) = 0x7f87c84f0000 [pid 5081] <... openat resumed>) = 3 [ 157.363292][ T6388] reiserfs: using flush barriers [ 157.374116][ T6388] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 157.402922][ T6388] REISERFS (device loop2): checking transaction log (loop2) ./strace-static-x86_64: Process 6395 attached [pid 6394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6392] symlink("/dev/binderfs", "./binderfs" [pid 6391] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 5081] fstat(3, [pid 6395] set_robust_list(0x7f87c85109e0, 24 [pid 6393] <... clone resumed>, parent_tid=[155], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 155 [pid 6391] <... mprotect resumed>) = 0 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6395] <... set_robust_list resumed>) = 0 [pid 6393] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... symlink resumed>) = 0 [pid 5081] getdents64(3, [pid 6393] <... futex resumed>) = 0 [pid 6391] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6395] memfd_create("syzkaller", 0 [pid 6393] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6392] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6396 attached [pid 6395] <... memfd_create resumed>) = 3 [pid 6394] <... openat resumed>) = 3 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6396] set_robust_list(0x7f87c85109e0, 24 [pid 6395] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6394] write(3, "1000", 4 [pid 6392] <... futex resumed>) = 0 [pid 6391] <... clone resumed>, parent_tid=[166], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 166 [pid 5081] lstat("./57/binderfs", [pid 6396] <... set_robust_list resumed>) = 0 [pid 6395] <... mmap resumed>) = 0x7f87c00f0000 [pid 6394] <... write resumed>) = 4 [pid 6392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6391] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6396] memfd_create("syzkaller", 0 [pid 5081] unlink("./57/binderfs" [pid 6396] <... memfd_create resumed>) = 3 [pid 5081] <... unlink resumed>) = 0 [pid 6396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5081] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6396] <... mmap resumed>) = 0x7f87c00f0000 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6394] close(3 [pid 6392] <... mmap resumed>) = 0x7f87c84f0000 [pid 6391] <... futex resumed>) = 0 [pid 5081] lstat("./57/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5081] unlink("./57/cgroup") = 0 [pid 6394] <... close resumed>) = 0 [pid 5081] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6394] read(200, [pid 6392] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6391] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./57/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./57/cgroup.net") = 0 [pid 5081] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6394] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6392] <... mprotect resumed>) = 0 [pid 6394] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6392] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6394] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6397 attached ) = 0 [pid 6397] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 6397] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6392] <... clone resumed>, parent_tid=[158], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 158 [pid 6394] <... mmap resumed>) = 0x7f87c84f0000 [pid 6394] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6392] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... mprotect resumed>) = 0 [pid 6392] <... futex resumed>) = 1 [pid 6397] <... futex resumed>) = 0 [pid 6392] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6397] memfd_create("syzkaller", 0 [pid 6394] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6397] <... memfd_create resumed>) = 3 [pid 6397] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 ./strace-static-x86_64: Process 6398 attached [pid 6394] <... clone resumed>, parent_tid=[157], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 157 [pid 6398] set_robust_list(0x7f87c85109e0, 24 [pid 6394] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6398] <... set_robust_list resumed>) = 0 [pid 6394] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6398] memfd_create("syzkaller", 0) = 3 [pid 6398] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6398] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 157.535760][ T6388] REISERFS (device loop2): Using r5 hash to sort names [pid 6396] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5081] <... umount2 resumed>) = 0 [pid 6395] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5081] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./57/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6397] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5081] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] openat(AT_FDCWD, "./57/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5081] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5081] close(4) = 0 [pid 5081] rmdir("./57/file0") = 0 [pid 5081] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./57/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] unlink("./57/cgroup.cpu") = 0 [ 157.580679][ T6388] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5081] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5081] close(3) = 0 [pid 5081] rmdir("./57") = 0 [pid 5081] mkdir("./58", 0777) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5081] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5081] close(3) = 0 [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6399 attached [pid 6399] set_robust_list(0x5555565af5e0, 24 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 165 [pid 6399] <... set_robust_list resumed>) = 0 [pid 6399] chdir("./58") = 0 [pid 6399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6399] setpgid(0, 0) = 0 [pid 6399] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6399] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6399] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6399] write(3, "1000", 4) = 4 [pid 6399] close(3) = 0 [pid 6399] read(200, 0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6399] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6399] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6399] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6399] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6400 attached [pid 6400] set_robust_list(0x7f87c85109e0, 24 [pid 6399] <... clone resumed>, parent_tid=[166], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 166 [pid 6400] <... set_robust_list resumed>) = 0 [pid 6399] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] memfd_create("syzkaller", 0 [pid 6399] <... futex resumed>) = 0 [pid 6400] <... memfd_create resumed>) = 3 [pid 6399] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6388] <... mount resumed>) = 0 [pid 6388] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6388] chdir("./file0" [pid 6396] <... write resumed>) = 4194304 [pid 6388] <... chdir resumed>) = 0 [pid 6388] ioctl(4, LOOP_CLR_FD) = 0 [pid 6388] close(4) = 0 [pid 6388] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6387] <... futex resumed>) = 0 [pid 6388] mkdir("./file1", 000 [pid 6387] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... write resumed>) = 4194304 [pid 6387] <... futex resumed>) = 0 [ 157.681396][ T6388] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 6387] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] munmap(0x7f87c00f0000, 4194304 [pid 6395] <... write resumed>) = 4194304 [pid 6388] <... mkdir resumed>) = 0 [pid 6388] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] munmap(0x7f87c00f0000, 4194304 [pid 6387] <... futex resumed>) = 0 [pid 6388] <... futex resumed>) = 1 [pid 6387] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] mkdir("./bus", 000 [pid 6387] <... futex resumed>) = 0 [pid 6387] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6388] <... mkdir resumed>) = 0 [pid 6388] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... munmap resumed>) = 0 [pid 6388] <... futex resumed>) = 1 [pid 6387] <... futex resumed>) = 0 [pid 6388] mkdir("./file0", 000 [pid 6387] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... munmap resumed>) = 0 [pid 6396] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6387] <... futex resumed>) = 0 [pid 6387] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6388] <... mkdir resumed>) = 0 [pid 6396] ioctl(4, LOOP_SET_FD, 3 [pid 6400] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6398] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6395] munmap(0x7f87c00f0000, 4194304 [pid 6388] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... openat resumed>) = 4 [pid 6388] <... futex resumed>) = 1 [pid 6387] <... futex resumed>) = 0 [pid 6398] ioctl(4, LOOP_SET_FD, 3 [pid 6388] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] <... ioctl resumed>) = 0 [pid 6396] close(3) = 0 [pid 6396] mkdir("./file0", 0777) = 0 [pid 6388] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6395] <... munmap resumed>) = 0 [pid 6396] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 157.768081][ T6396] loop5: detected capacity change from 0 to 8192 [ 157.778915][ T6398] loop4: detected capacity change from 0 to 8192 [ 157.791471][ T6388] overlayfs: upper fs needs to support d_type. [ 157.799855][ T6396] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6395] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6398] <... ioctl resumed>) = 0 [pid 6397] <... write resumed>) = 4194304 [pid 6395] <... openat resumed>) = 4 [pid 6395] ioctl(4, LOOP_SET_FD, 3 [pid 6398] close(3 [pid 6388] <... mount resumed>) = 0 [pid 6388] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6388] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] <... close resumed>) = 0 [pid 6397] munmap(0x7f87c00f0000, 4194304 [pid 6398] mkdir("./file0", 0777 [pid 6397] <... munmap resumed>) = 0 [pid 6397] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6397] ioctl(4, LOOP_SET_FD, 3 [pid 6398] <... mkdir resumed>) = 0 [pid 6398] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6395] <... ioctl resumed>) = 0 [pid 6395] close(3) = 0 [pid 6395] mkdir("./file0", 0777 [pid 6397] <... ioctl resumed>) = 0 [pid 6395] <... mkdir resumed>) = 0 [ 157.813698][ T6388] overlayfs: upper fs does not support tmpfile. [ 157.825454][ T6388] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 157.834892][ T6395] loop0: detected capacity change from 0 to 8192 [ 157.842219][ T6396] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 157.855883][ T6397] loop1: detected capacity change from 0 to 8192 [pid 6395] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6387] <... futex resumed>) = 0 [pid 6387] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... futex resumed>) = 0 [pid 6387] <... futex resumed>) = 1 [pid 6388] mkdir(".", 0777 [pid 6387] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6388] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6388] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6400] <... write resumed>) = 4194304 [pid 6397] close(3 [pid 6400] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6397] <... close resumed>) = 0 [pid 6397] mkdir("./file0", 0777 [ 157.870538][ T6398] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 157.887816][ T6396] REISERFS (device loop5): using ordered data mode [ 157.888328][ T6395] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 157.900069][ T6396] reiserfs: using flush barriers [pid 6400] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6397] <... mkdir resumed>) = 0 [ 157.922141][ T6388] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 157.923879][ T6398] REISERFS (device loop4): unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 157.938340][ T6398] REISERFS (device loop4): using ordered data mode [pid 6400] ioctl(4, LOOP_SET_FD, 3 [ 157.941961][ T6396] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 157.952443][ T6398] reiserfs: using flush barriers [ 157.962135][ T6396] REISERFS (device loop5): checking transaction log (loop5) [ 157.979617][ T6395] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 157.985665][ T6400] loop3: detected capacity change from 0 to 8192 [ 157.992575][ T6395] REISERFS (device loop0): using ordered data mode [pid 6397] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6400] <... ioctl resumed>) = 0 [pid 6400] close(3) = 0 [pid 6400] mkdir("./file0", 0777) = 0 [pid 6388] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 158.007914][ T6397] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 158.011816][ T6398] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 158.020110][ T6397] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 158.036119][ T6395] reiserfs: using flush barriers [pid 6400] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [ 158.072111][ T6398] REISERFS (device loop4): checking transaction log (loop4) [ 158.085877][ T6398] REISERFS (device loop4): Using r5 hash to sort names [ 158.086000][ T6397] REISERFS (device loop1): using ordered data mode [ 158.094131][ T6400] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 6388] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6387] <... futex resumed>) = 0 [pid 6388] unlink(NULL [pid 6387] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6387] <... futex resumed>) = 0 [pid 6388] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6388] <... futex resumed>) = 0 [pid 6387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6388] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] close(3) = 0 [pid 6387] close(4) = -1 EBADF (Bad file descriptor) [ 158.099822][ T6395] 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 [ 158.115969][ T6400] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 158.132351][ T6398] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 158.145876][ T6400] REISERFS (device loop3): using ordered data mode [ 158.158781][ T6396] REISERFS (device loop5): Using r5 hash to sort names [pid 6387] close(5) = -1 EBADF (Bad file descriptor) [pid 6387] close(6) = -1 EBADF (Bad file descriptor) [pid 6387] close(7) = -1 EBADF (Bad file descriptor) [pid 6387] close(8) = -1 EBADF (Bad file descriptor) [pid 6387] close(9) = -1 EBADF (Bad file descriptor) [pid 6387] close(10) = -1 EBADF (Bad file descriptor) [pid 6387] close(11) = -1 EBADF (Bad file descriptor) [pid 6387] close(12) = -1 EBADF (Bad file descriptor) [pid 6387] close(13) = -1 EBADF (Bad file descriptor) [pid 6387] close(14) = -1 EBADF (Bad file descriptor) [pid 6387] close(15) = -1 EBADF (Bad file descriptor) [pid 6387] close(16) = -1 EBADF (Bad file descriptor) [pid 6387] close(17) = -1 EBADF (Bad file descriptor) [pid 6387] close(18) = -1 EBADF (Bad file descriptor) [pid 6387] close(19) = -1 EBADF (Bad file descriptor) [pid 6387] close(20) = -1 EBADF (Bad file descriptor) [pid 6387] close(21) = -1 EBADF (Bad file descriptor) [pid 6387] close(22) = -1 EBADF (Bad file descriptor) [pid 6387] close(23) = -1 EBADF (Bad file descriptor) [pid 6387] close(24) = -1 EBADF (Bad file descriptor) [pid 6387] close(25) = -1 EBADF (Bad file descriptor) [pid 6387] close(26) = -1 EBADF (Bad file descriptor) [pid 6387] close(27) = -1 EBADF (Bad file descriptor) [pid 6387] close(28) = -1 EBADF (Bad file descriptor) [pid 6387] close(29) = -1 EBADF (Bad file descriptor) [pid 6387] exit_group(0 [pid 6388] <... futex resumed>) = ? [pid 6387] <... exit_group resumed>) = ? [pid 6388] +++ exited with 0 +++ [pid 6387] +++ exited with 0 +++ [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=157, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5083] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5083] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5083] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5083] unlink("./56/binderfs") = 0 [ 158.176270][ T6397] reiserfs: using flush barriers [ 158.183686][ T6400] reiserfs: using flush barriers [ 158.183988][ T6397] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 158.210856][ T6396] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5083] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./56/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5083] unlink("./56/cgroup") = 0 [pid 5083] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./56/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./56/cgroup.net") = 0 [ 158.226018][ T6400] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 158.226246][ T6398] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 158.248129][ T6395] REISERFS (device loop0): checking transaction log (loop0) [ 158.253328][ T6396] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5083] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6398] <... mount resumed>) = 0 [pid 6398] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6398] chdir("./file0") = 0 [pid 6398] ioctl(4, LOOP_CLR_FD) = 0 [pid 6398] close(4) = 0 [pid 6396] <... mount resumed>) = 0 [pid 6398] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6398] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6396] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6394] <... futex resumed>) = 0 [pid 6396] <... openat resumed>) = 3 [pid 6394] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... futex resumed>) = 0 [pid 6394] <... futex resumed>) = 1 [pid 6398] mkdir("./file1", 000) = 0 [pid 6396] chdir("./file0" [ 158.275352][ T6397] REISERFS (device loop1): checking transaction log (loop1) [ 158.277629][ T6400] REISERFS (device loop3): checking transaction log (loop3) [ 158.284916][ T6397] REISERFS (device loop1): Using r5 hash to sort names [ 158.300936][ T6397] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 158.318387][ T6395] REISERFS (device loop0): Using r5 hash to sort names [pid 6394] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... chdir resumed>) = 0 [pid 6394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6398] <... futex resumed>) = 0 [pid 6398] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6396] ioctl(4, LOOP_CLR_FD [pid 6394] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... futex resumed>) = 0 [pid 6397] <... mount resumed>) = 0 [pid 6396] <... ioctl resumed>) = 0 [pid 6394] <... futex resumed>) = 1 [ 158.319113][ T6397] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 158.337201][ T6400] REISERFS (device loop3): Using r5 hash to sort names [ 158.344571][ T6400] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 158.349587][ T6395] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6398] mkdir("./bus", 000 [pid 6396] close(4 [pid 6394] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6398] <... mkdir resumed>) = 0 [pid 6396] <... close resumed>) = 0 [pid 6398] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... futex resumed>) = 1 [pid 6396] <... futex resumed>) = 1 [pid 6394] <... futex resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [pid 6396] mkdir("./file1", 000 [pid 6391] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... mkdir resumed>) = 0 [pid 6400] <... mount resumed>) = 0 [pid 6398] mkdir("./file0", 000 [pid 6397] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6396] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] <... mount resumed>) = 0 [pid 6394] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = 0 [pid 6398] <... mkdir resumed>) = 0 [pid 6397] <... openat resumed>) = 3 [pid 6396] <... futex resumed>) = 0 [pid 6395] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6394] <... futex resumed>) = 0 [pid 6391] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6398] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] chdir("./file0" [pid 6396] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6395] <... openat resumed>) = 3 [pid 6394] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6400] <... openat resumed>) = 3 [pid 6398] <... futex resumed>) = 0 [pid 6397] <... chdir resumed>) = 0 [pid 6395] chdir("./file0" [pid 6394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] chdir("./file0" [pid 6398] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6397] ioctl(4, LOOP_CLR_FD [pid 6396] <... futex resumed>) = 0 [pid 6395] <... chdir resumed>) = 0 [pid 6394] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = 1 [pid 6400] <... chdir resumed>) = 0 [pid 6398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6397] <... ioctl resumed>) = 0 [pid 6396] mkdir("./bus", 000 [pid 6395] ioctl(4, LOOP_CLR_FD [pid 6394] <... futex resumed>) = 0 [ 158.357977][ T6400] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 158.383217][ T6395] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 6391] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] ioctl(4, LOOP_CLR_FD [pid 6398] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6397] close(4 [pid 6396] <... mkdir resumed>) = 0 [pid 6395] <... ioctl resumed>) = 0 [pid 6394] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... umount2 resumed>) = 0 [pid 6400] <... ioctl resumed>) = 0 [pid 6397] <... close resumed>) = 0 [pid 6395] close(4 [pid 6400] close(4 [pid 6397] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] <... close resumed>) = 0 [pid 6400] <... close resumed>) = 0 [pid 6397] <... futex resumed>) = 1 [pid 6395] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6400] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6395] <... futex resumed>) = 1 [pid 6393] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6400] <... futex resumed>) = 1 [pid 6399] <... futex resumed>) = 0 [pid 6395] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6393] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] lstat("./56/file0", [pid 6400] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6393] <... futex resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6399] <... futex resumed>) = 0 [pid 6395] mkdir("./file1", 000 [pid 6393] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6400] mkdir("./file1", 000 [pid 6399] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] <... mkdir resumed>) = 0 [pid 6392] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6400] <... mkdir resumed>) = 0 [pid 6395] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] openat(AT_FDCWD, "./56/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6400] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] <... futex resumed>) = 1 [pid 6393] <... futex resumed>) = 0 [pid 5083] <... openat resumed>) = 4 [pid 6400] <... futex resumed>) = 1 [pid 6399] <... futex resumed>) = 0 [pid 6396] <... futex resumed>) = 1 [pid 6395] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6393] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = 0 [pid 5083] fstat(4, [pid 6400] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... futex resumed>) = 0 [pid 6396] mkdir("./file0", 000 [pid 6395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6393] <... futex resumed>) = 0 [pid 6392] <... futex resumed>) = 1 [pid 6391] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6399] <... futex resumed>) = 0 [pid 6397] mkdir("./file1", 000 [pid 6396] <... mkdir resumed>) = 0 [pid 6395] mkdir("./bus", 000 [pid 6393] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6392] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6391] <... futex resumed>) = 0 [pid 5083] getdents64(4, [pid 6400] mkdir("./bus", 000 [pid 6399] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] <... mkdir resumed>) = 0 [pid 6396] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] <... mkdir resumed>) = 0 [pid 6391] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 6400] <... mkdir resumed>) = 0 [pid 6397] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... futex resumed>) = 0 [pid 6395] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 158.446082][ T6398] overlayfs: upper fs needs to support d_type. [ 158.453898][ T6398] overlayfs: upper fs does not support tmpfile. [pid 5083] getdents64(4, [pid 6400] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... futex resumed>) = 1 [pid 6396] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6395] <... futex resumed>) = 1 [pid 6393] <... futex resumed>) = 0 [pid 6392] <... futex resumed>) = 0 [pid 6391] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6392] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = 0 [pid 6396] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6392] <... futex resumed>) = 0 [pid 6391] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] <... futex resumed>) = 1 [pid 6399] <... futex resumed>) = 0 [pid 6397] mkdir("./bus", 000 [pid 6395] mkdir("./file0", 000 [pid 6393] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6400] mkdir("./file0", 000 [pid 6399] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... mkdir resumed>) = 0 [pid 6395] <... mkdir resumed>) = 0 [pid 6393] <... futex resumed>) = 0 [pid 5083] close(4 [pid 6400] <... mkdir resumed>) = 0 [pid 6399] <... futex resumed>) = 0 [pid 6397] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... close resumed>) = 0 [pid 6400] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = 0 [pid 6393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] rmdir("./56/file0" [pid 6400] <... futex resumed>) = 0 [pid 6399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6397] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6395] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6393] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... rmdir resumed>) = 0 [pid 6400] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6399] <... futex resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6400] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6399] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] lstat("./56/cgroup.cpu", [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6392] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] unlink("./56/cgroup.cpu" [pid 6397] <... futex resumed>) = 0 [pid 6392] <... futex resumed>) = 1 [pid 5083] <... unlink resumed>) = 0 [pid 6397] mkdir("./file0", 000 [pid 6392] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] getdents64(3, [pid 6397] <... mkdir resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [ 158.492316][ T6396] overlayfs: upper fs needs to support d_type. [ 158.501047][ T6398] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 158.511246][ T6395] overlayfs: upper fs needs to support d_type. [ 158.517060][ T6396] overlayfs: upper fs does not support tmpfile. [ 158.524222][ T6400] overlayfs: upper fs needs to support d_type. [ 158.527949][ T6396] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6397] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] close(3 [pid 6397] <... futex resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 6397] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] rmdir("./56") = 0 [pid 5083] mkdir("./57", 0777 [pid 6393] <... futex resumed>) = 0 [pid 5083] <... mkdir resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5083] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5083] close(3 [pid 6393] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6392] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] <... close resumed>) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6406 attached [pid 6397] <... futex resumed>) = 0 [pid 6392] <... futex resumed>) = 1 [pid 6406] set_robust_list(0x5555565af5e0, 24 [pid 6398] <... mount resumed>) = 0 [pid 6397] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6394] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6392] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 159 [pid 6406] <... set_robust_list resumed>) = 0 [pid 6398] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] chdir("./57") = 0 [pid 6406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6406] setpgid(0, 0) = 0 [pid 6406] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6406] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6406] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6406] write(3, "1000", 4) = 4 [pid 6398] <... futex resumed>) = 0 [pid 6396] <... mount resumed>) = 0 [pid 6394] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6406] close(3) = 0 [pid 6406] read(200, [pid 6398] mkdir(".", 0777 [pid 6394] <... futex resumed>) = 0 [pid 6406] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6399] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6398] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6396] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 158.557100][ T6395] overlayfs: upper fs does not support tmpfile. [ 158.581916][ T6397] overlayfs: upper fs needs to support d_type. [ 158.587478][ T6395] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 158.598193][ T6400] overlayfs: upper fs does not support tmpfile. [pid 6391] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6396] <... futex resumed>) = 0 [pid 6395] <... mount resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [pid 6406] <... futex resumed>) = 0 [pid 6406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 6406] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6399] <... futex resumed>) = 0 [pid 6406] <... mprotect resumed>) = 0 [pid 6396] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6406] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6407 attached [pid 6391] <... mmap resumed>) = 0x7f87c04cf000 [pid 6407] set_robust_list(0x7f87c85109e0, 24 [pid 6406] <... clone resumed>, parent_tid=[160], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 160 [pid 6407] <... set_robust_list resumed>) = 0 [pid 6406] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] memfd_create("syzkaller", 0 [pid 6406] <... futex resumed>) = 0 [pid 6399] <... mmap resumed>) = 0x7f87c04cf000 [pid 6391] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6407] <... memfd_create resumed>) = 3 [pid 6406] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6407] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87c00f0000 [pid 6399] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6395] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6391] <... mprotect resumed>) = 0 [ 158.616776][ T6397] overlayfs: upper fs does not support tmpfile. [ 158.637713][ T6398] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 158.654045][ T6400] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6399] <... mprotect resumed>) = 0 [pid 6398] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6395] <... futex resumed>) = 0 [pid 6393] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6391] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6399] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6398] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] mkdir(".", 0777 [pid 6393] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6408 attached [pid 6398] <... futex resumed>) = 1 [pid 6395] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6394] <... futex resumed>) = 0 [pid 6393] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6398] unlink(NULL [pid 6395] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6394] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... clone resumed>, parent_tid=[167], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 167 [pid 6408] set_robust_list(0x7f87c04ef9e0, 24 [pid 6394] <... futex resumed>) = 0 [pid 6398] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6408] <... set_robust_list resumed>) = 0 [pid 6399] <... clone resumed>, parent_tid=[167], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 167 [pid 6398] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6392] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] mkdir(".", 0777 [pid 6399] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... futex resumed>) = 0 [pid 6394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6392] <... futex resumed>) = 0 [pid 6391] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6409 attached [pid 6408] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6400] <... mount resumed>) = 0 [pid 6399] <... futex resumed>) = 0 [pid 6398] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6397] <... mount resumed>) = 0 [pid 6394] close(3 [pid 6392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6391] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6395] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6395] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6394] <... close resumed>) = 0 [pid 6392] <... mmap resumed>) = 0x7f87c04cf000 [pid 6397] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] close(4) = -1 EBADF (Bad file descriptor) [pid 6393] <... futex resumed>) = 0 [pid 6393] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6394] close(5 [pid 6397] <... futex resumed>) = 0 [pid 6392] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6409] set_robust_list(0x7f87c04ef9e0, 24 [pid 6400] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6397] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] close(6 [pid 6400] <... futex resumed>) = 0 [pid 6392] <... mprotect resumed>) = 0 [pid 6409] <... set_robust_list resumed>) = 0 [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] close(7 [pid 6392] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6400] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6409] mkdir(".", 0777 [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] <... futex resumed>) = 1 [pid 6393] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6410 attached [pid 6409] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6394] close(8 [pid 6410] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6409] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6392] <... clone resumed>, parent_tid=[159], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 159 [pid 6395] unlink(NULL) = -1 EFAULT (Bad address) [pid 6395] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] close(9 [pid 6395] <... futex resumed>) = 1 [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] <... futex resumed>) = 0 [pid 6395] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6393] close(3 [pid 6394] close(10 [pid 6393] <... close resumed>) = 0 [pid 6392] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(4 [pid 6410] <... futex resumed>) = 0 [pid 6394] close(11 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... futex resumed>) = 1 [pid 6410] mkdir(".", 0777 [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(5 [pid 6392] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6410] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 6394] close(12 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(6 [pid 6394] close(13 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(7 [pid 6394] close(14 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(8) = -1 EBADF (Bad file descriptor) [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(9 [pid 6394] close(15 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(10 [pid 6394] close(16 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(11 [pid 6394] close(17 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 158.656629][ T6397] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 158.684734][ T6395] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 6407] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(12 [pid 6394] close(18 [pid 6393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] close(13) = -1 EBADF (Bad file descriptor) [pid 6393] close(14) = -1 EBADF (Bad file descriptor) [pid 6393] close(15) = -1 EBADF (Bad file descriptor) [pid 6393] close(16) = -1 EBADF (Bad file descriptor) [pid 6393] close(17) = -1 EBADF (Bad file descriptor) [pid 6393] close(18) = -1 EBADF (Bad file descriptor) [pid 6393] close(19) = -1 EBADF (Bad file descriptor) [pid 6393] close(20) = -1 EBADF (Bad file descriptor) [pid 6393] close(21) = -1 EBADF (Bad file descriptor) [pid 6393] close(22) = -1 EBADF (Bad file descriptor) [pid 6393] close(23) = -1 EBADF (Bad file descriptor) [pid 6393] close(24) = -1 EBADF (Bad file descriptor) [pid 6393] close(25) = -1 EBADF (Bad file descriptor) [pid 6393] close(26) = -1 EBADF (Bad file descriptor) [pid 6393] close(27) = -1 EBADF (Bad file descriptor) [pid 6393] close(28) = -1 EBADF (Bad file descriptor) [pid 6393] close(29) = -1 EBADF (Bad file descriptor) [pid 6393] exit_group(0 [pid 6395] <... futex resumed>) = ? [pid 6393] <... exit_group resumed>) = ? [pid 6395] +++ exited with 0 +++ [pid 6393] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=24 /* 0.24 s */} --- [pid 5078] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6408] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 3 [pid 5078] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6394] close(19 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6408] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./56/binderfs", [pid 6394] close(20 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./56/binderfs" [pid 6394] close(21 [pid 5078] <... unlink resumed>) = 0 [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6394] close(22 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./56/cgroup", [pid 6394] close(23 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./56/cgroup" [pid 6408] <... futex resumed>) = 1 [pid 6394] close(24 [pid 6391] <... futex resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6408] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6396] <... futex resumed>) = 0 [pid 6394] close(25 [pid 6391] <... futex resumed>) = 1 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6396] unlink(NULL [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] lstat("./56/cgroup.net", [pid 6396] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6394] close(26 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./56/cgroup.net" [pid 6396] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] close(27 [pid 5078] <... unlink resumed>) = 0 [pid 6396] <... futex resumed>) = 1 [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... futex resumed>) = 0 [pid 5078] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6396] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] close(28 [pid 6391] close(3 [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = 0 [pid 6394] close(29 [pid 6391] close(4 [pid 6394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] exit_group(0 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... futex resumed>) = ? [pid 6394] <... exit_group resumed>) = ? [pid 6391] close(5 [pid 6398] +++ exited with 0 +++ [pid 6394] +++ exited with 0 +++ [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 6391] close(6) = -1 EBADF (Bad file descriptor) [ 158.731994][ T6410] REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 158.734109][ T6408] REISERFS warning (device loop5): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 158.757599][ T6409] REISERFS warning (device loop3): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [pid 5080] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6391] close(7 [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5080] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(3, [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6391] close(8 [pid 5080] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] unlink("./57/binderfs") = 0 [pid 6391] close(9 [pid 5080] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./57/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] unlink("./57/cgroup") = 0 [pid 5080] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./57/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./57/cgroup.net") = 0 [pid 5080] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(10) = -1 EBADF (Bad file descriptor) [pid 6391] close(11) = -1 EBADF (Bad file descriptor) [pid 6410] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6391] close(12) = -1 EBADF (Bad file descriptor) [pid 6410] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] close(13 [pid 6410] <... futex resumed>) = 1 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... futex resumed>) = 0 [pid 6391] close(14) = -1 EBADF (Bad file descriptor) [pid 6392] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] close(15 [pid 6397] <... futex resumed>) = 0 [pid 6392] <... futex resumed>) = 1 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6397] unlink(NULL [pid 6391] close(16) = -1 EBADF (Bad file descriptor) [pid 6410] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6397] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6391] close(17 [pid 6397] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(18 [pid 6397] <... futex resumed>) = 1 [pid 6392] <... futex resumed>) = 0 [pid 6397] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] close(3 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = 0 [pid 6391] close(19 [pid 6392] close(4 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(20) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(21) = -1 EBADF (Bad file descriptor) [pid 6392] close(5) = -1 EBADF (Bad file descriptor) [pid 6391] close(22 [pid 6392] close(6 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(23) = -1 EBADF (Bad file descriptor) [pid 6392] close(7) = -1 EBADF (Bad file descriptor) [pid 6391] close(24) = -1 EBADF (Bad file descriptor) [pid 6392] close(8 [pid 6391] close(25) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(26 [pid 6392] close(9 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(27 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(10 [pid 6391] close(28) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] close(29 [pid 6392] close(11 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] exit_group(0 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6408] <... futex resumed>) = ? [pid 6396] <... futex resumed>) = ? [pid 6392] close(12 [pid 6391] <... exit_group resumed>) = ? [pid 6396] +++ exited with 0 +++ [pid 6409] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6409] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6409] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6408] +++ exited with 0 +++ [pid 6399] <... futex resumed>) = 0 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] +++ exited with 0 +++ [pid 6399] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] close(13 [pid 6399] <... futex resumed>) = 1 [pid 6400] <... futex resumed>) = 0 [pid 6399] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] unlink(NULL [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6400] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] close(14 [pid 6407] <... write resumed>) = 4194304 [pid 6400] <... futex resumed>) = 1 [pid 6399] <... futex resumed>) = 0 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=165, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- [pid 6400] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] close(3 [pid 6392] close(15 [pid 6399] <... close resumed>) = 0 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(4 [pid 6392] close(16 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(5 [pid 5082] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(17 [pid 6399] close(6 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6399] close(7 [pid 6392] close(18 [pid 6407] munmap(0x7f87c00f0000, 4194304 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6399] close(8 [pid 6392] close(19 [pid 6407] <... munmap resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... openat resumed>) = 3 [pid 6407] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6392] close(20 [pid 6399] close(9 [pid 5082] fstat(3, [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] <... openat resumed>) = 4 [pid 6392] close(21 [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6407] ioctl(4, LOOP_SET_FD, 3 [pid 6399] close(10 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(22 [pid 5082] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(11 [pid 6392] close(23 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(12 [pid 5082] lstat("./58/binderfs", [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(24 [pid 6407] <... ioctl resumed>) = 0 [pid 6407] close(3) = 0 [pid 6407] mkdir("./file0", 0777) = 0 [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6399] close(13 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./58/binderfs" [pid 6399] close(14 [pid 6392] close(25 [pid 5082] <... unlink resumed>) = 0 [pid 6407] mount("/dev/loop2", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(26 [pid 6399] close(15 [pid 5082] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6399] close(16) = -1 EBADF (Bad file descriptor) [pid 6392] close(27 [pid 5082] lstat("./58/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(17 [pid 5082] unlink("./58/cgroup" [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] close(28 [pid 5082] <... unlink resumed>) = 0 [pid 6399] close(18 [pid 6392] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6399] close(19 [pid 6392] close(29) = -1 EBADF (Bad file descriptor) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] exit_group(0 [pid 5082] lstat("./58/cgroup.net", [pid 6399] close(20 [pid 6397] <... futex resumed>) = ? [pid 6392] <... exit_group resumed>) = ? [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... futex resumed>) = ? [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6399] close(21 [pid 6410] +++ exited with 0 +++ [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] unlink("./58/cgroup.net") = 0 [pid 6399] close(22 [pid 5082] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(23 [pid 6397] +++ exited with 0 +++ [pid 6392] +++ exited with 0 +++ [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(24 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=157, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=28 /* 0.28 s */} --- [pid 5078] <... umount2 resumed>) = 0 [pid 5078] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./56/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./56/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5078] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5078] close(4) = 0 [pid 5078] rmdir("./56/file0") = 0 [pid 5078] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./56/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./56/cgroup.cpu" [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5078] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5078] close(3) = 0 [pid 5078] rmdir("./56" [pid 6399] close(25) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6399] close(26 [pid 5078] <... rmdir resumed>) = 0 [pid 5078] mkdir("./57", 0777) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] close(3) = 0 [ 158.870103][ T6407] loop2: detected capacity change from 0 to 8192 [ 158.897535][ T6407] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6399] close(27 [pid 5079] <... openat resumed>) = 3 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6412 attached [pid 6399] close(28 [pid 5079] fstat(3, [pid 5078] <... clone resumed>, child_tidptr=0x5555565af5d0) = 156 [pid 6412] set_robust_list(0x5555565af5e0, 24) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6412] chdir("./57" [pid 6399] close(29 [pid 5079] getdents64(3, [pid 6412] <... chdir resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6399] exit_group(0 [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6399] <... exit_group resumed>) = ? [pid 6409] <... futex resumed>) = ? [pid 6400] <... futex resumed>) = ? [pid 6400] +++ exited with 0 +++ [pid 5080] <... umount2 resumed>) = 0 [pid 6412] <... prctl resumed>) = 0 [pid 5079] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./57/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./57/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5080] fstat(4, [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6412] setpgid(0, 0) = 0 [pid 5079] lstat("./57/binderfs", [pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6412] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6412] <... symlink resumed>) = 0 [pid 5080] getdents64(4, [pid 5079] unlink("./57/binderfs" [pid 6412] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5079] <... unlink resumed>) = 0 [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5080] getdents64(4, [pid 5079] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6412] <... symlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6412] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5080] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5080] close(4 [pid 5079] lstat("./57/cgroup", [pid 6412] <... symlink resumed>) = 0 [pid 6409] +++ exited with 0 +++ [pid 6399] +++ exited with 0 +++ [pid 5080] <... close resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [ 158.927772][ T6407] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 158.964322][ T6407] REISERFS (device loop2): using ordered data mode [ 158.973130][ T6407] reiserfs: using flush barriers [pid 6412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=165, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5080] rmdir("./57/file0" [pid 5079] unlink("./57/cgroup" [pid 6412] <... openat resumed>) = 3 [pid 5080] <... rmdir resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5080] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6412] write(3, "1000", 4 [pid 5079] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6412] <... write resumed>) = 4 [pid 5081] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] lstat("./57/cgroup.cpu", [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6412] close(3 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] lstat("./57/cgroup.net", [pid 6412] <... close resumed>) = 0 [pid 5081] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6412] read(200, [pid 5080] unlink("./57/cgroup.cpu" [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] <... unlink resumed>) = 0 [pid 5079] unlink("./57/cgroup.net" [pid 6412] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] <... openat resumed>) = 3 [pid 5080] getdents64(3, [pid 5079] <... unlink resumed>) = 0 [pid 5079] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5081] fstat(3, [pid 5080] close(3 [pid 6412] symlink("/dev/binderfs", "./binderfs" [pid 5080] <... close resumed>) = 0 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] rmdir("./57" [pid 6412] <... symlink resumed>) = 0 [pid 5080] <... rmdir resumed>) = 0 [pid 6412] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] getdents64(3, [pid 5080] mkdir("./58", 0777 [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5081] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... mkdir resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] lstat("./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] unlink("./58/binderfs") = 0 [pid 6412] <... futex resumed>) = 0 [pid 6412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c84f0000 [pid 5081] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5081] lstat("./58/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6412] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5081] unlink("./58/cgroup") = 0 [pid 5080] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 6412] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5080] close(3) = 0 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6414 attached [pid 5081] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6414] set_robust_list(0x7f87c85109e0, 24 [pid 6412] <... clone resumed>, parent_tid=[157], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 157 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6414] <... set_robust_list resumed>) = 0 [pid 6412] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] lstat("./58/cgroup.net", [pid 6414] memfd_create("syzkaller", 0 [pid 6412] <... futex resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6414] <... memfd_create resumed>) = 3 [pid 6412] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5081] unlink("./58/cgroup.net" [pid 6414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5081] <... unlink resumed>) = 0 [pid 6414] <... mmap resumed>) = 0x7f87c00f0000 [pid 5081] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5080] <... clone resumed>, child_tidptr=0x5555565af5d0) = 158 ./strace-static-x86_64: Process 6413 attached [pid 6413] set_robust_list(0x5555565af5e0, 24) = 0 [pid 6413] chdir("./58") = 0 [ 158.995071][ T6407] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 159.012246][ T6407] REISERFS (device loop2): checking transaction log (loop2) [ 159.021838][ T6407] REISERFS (device loop2): Using r5 hash to sort names [ 159.029982][ T6407] REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6407] <... mount resumed>) = 0 [pid 6413] setpgid(0, 0) = 0 [pid 6413] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6413] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6407] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6413] <... symlink resumed>) = 0 [pid 6407] <... openat resumed>) = 3 [pid 6413] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6407] chdir("./file0" [pid 6413] <... symlink resumed>) = 0 [pid 6407] <... chdir resumed>) = 0 [pid 6413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6407] ioctl(4, LOOP_CLR_FD [pid 6414] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6413] <... openat resumed>) = 3 [pid 6407] <... ioctl resumed>) = 0 [pid 6413] write(3, "1000", 4 [pid 6407] close(4 [pid 6413] <... write resumed>) = 4 [pid 6413] close(3 [pid 6407] <... close resumed>) = 0 [pid 6413] <... close resumed>) = 0 [pid 6413] read(200, [pid 6407] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] <... futex resumed>) = 0 [pid 6413] symlink("/dev/binderfs", "./binderfs" [pid 6407] <... futex resumed>) = 1 [pid 6406] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... symlink resumed>) = 0 [pid 6407] mkdir("./file1", 000 [pid 6406] <... futex resumed>) = 0 [pid 6413] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] <... futex resumed>) = 0 [pid 6407] <... mkdir resumed>) = 0 [pid 6413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 159.043517][ T6407] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 6407] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... mmap resumed>) = 0x7f87c84f0000 [pid 6407] <... futex resumed>) = 1 [pid 6406] <... futex resumed>) = 0 [pid 6413] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6407] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... mprotect resumed>) = 0 [pid 6407] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] <... futex resumed>) = 0 [pid 6413] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6407] mkdir("./bus", 000 [pid 6406] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6415 attached [pid 6407] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] set_robust_list(0x7f87c85109e0, 24 [pid 6413] <... clone resumed>, parent_tid=[159], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 159 [pid 6406] <... futex resumed>) = 0 [pid 6415] <... set_robust_list resumed>) = 0 [pid 6413] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = 1 [pid 6406] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] memfd_create("syzkaller", 0 [pid 6413] <... futex resumed>) = 0 [pid 6407] mkdir("./file0", 000 [pid 6406] <... futex resumed>) = 0 [pid 6415] <... memfd_create resumed>) = 3 [pid 6413] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6406] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] <... mkdir resumed>) = 0 [pid 6415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6407] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... mmap resumed>) = 0x7f87c00f0000 [pid 6407] <... futex resumed>) = 1 [pid 6406] <... futex resumed>) = 0 [pid 6406] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6406] <... futex resumed>) = 0 [pid 6406] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6406] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6406] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [ 159.139038][ T6407] overlayfs: upper fs needs to support d_type. [ 159.177235][ T6407] overlayfs: upper fs does not support tmpfile. [pid 6406] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6416 attached , parent_tid=[161], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 161 [pid 6416] set_robust_list(0x7f87c04ef9e0, 24 [pid 5082] <... umount2 resumed>) = 0 [pid 6416] <... set_robust_list resumed>) = 0 [pid 6406] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6416] mkdir(".", 0777 [pid 6406] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6416] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5082] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6416] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = 0 [pid 6414] <... write resumed>) = 4194304 [pid 6414] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6414] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5082] lstat("./58/file0", [pid 6414] ioctl(4, LOOP_SET_FD, 3 [pid 5082] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./57/file0", [pid 6416] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6415] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6407] <... mount resumed>) = 0 [pid 5082] openat(AT_FDCWD, "./58/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6414] <... ioctl resumed>) = 0 [pid 6414] close(3) = 0 [pid 6414] mkdir("./file0", 0777) = 0 [pid 6414] mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 5079] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] fstat(4, [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] openat(AT_FDCWD, "./57/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] getdents64(4, [pid 5079] <... openat resumed>) = 4 [pid 5082] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] fstat(4, [pid 5082] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] close(4 [pid 5079] getdents64(4, [pid 5082] <... close resumed>) = 0 [ 159.233698][ T6407] overlayfs: upper fs does not support RENAME_WHITEOUT. [ 159.242498][ T6416] REISERFS warning (device loop2): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 159.266624][ T6414] loop0: detected capacity change from 0 to 8192 [pid 5081] <... umount2 resumed>) = 0 [pid 6416] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] rmdir("./58/file0" [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5081] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6416] <... futex resumed>) = 1 [pid 6407] <... futex resumed>) = 0 [pid 6406] <... futex resumed>) = 0 [pid 5082] <... rmdir resumed>) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] getdents64(4, [pid 6416] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6407] unlink(NULL [pid 6406] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] lstat("./58/file0", [pid 5079] <... getdents64 resumed>0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6407] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6406] <... futex resumed>) = 0 [pid 5081] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] close(4 [pid 5082] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6406] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6407] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5081] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] lstat("./58/cgroup.cpu", [pid 5079] <... close resumed>) = 0 [pid 6407] <... futex resumed>) = 0 [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5082] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] rmdir("./57/file0" [pid 6406] close(3 [pid 6407] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5082] unlink("./58/cgroup.cpu" [pid 5081] openat(AT_FDCWD, "./58/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... rmdir resumed>) = 0 [pid 5082] <... unlink resumed>) = 0 [pid 5081] <... openat resumed>) = 4 [pid 6406] <... close resumed>) = 0 [pid 5079] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5082] getdents64(3, [pid 5081] fstat(4, [pid 6406] close(4 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5082] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(3 [pid 5079] lstat("./57/cgroup.cpu", [pid 6406] close(5 [pid 5082] <... close resumed>) = 0 [pid 5081] getdents64(4, [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5082] rmdir("./58" [pid 5081] <... getdents64 resumed>0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5079] unlink("./57/cgroup.cpu" [pid 6406] close(6 [pid 5082] <... rmdir resumed>) = 0 [pid 5081] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 6406] close(7 [pid 5082] mkdir("./59", 0777 [pid 5081] close(4 [pid 5079] getdents64(3, [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... mkdir resumed>) = 0 [pid 6406] close(8 [pid 5081] <... close resumed>) = 0 [ 159.293648][ T6414] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 159.311751][ T6414] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 159.323890][ T6414] REISERFS (device loop0): using ordered data mode [ 159.332836][ T6414] reiserfs: using flush barriers [pid 5082] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5079] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] <... write resumed>) = 4194304 [pid 6406] close(9 [pid 5082] <... openat resumed>) = 3 [pid 5081] rmdir("./58/file0" [pid 5079] close(3 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] ioctl(3, LOOP_CLR_FD [pid 5081] <... rmdir resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 6406] close(10 [pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] close(3 [pid 5081] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] rmdir("./57" [pid 6406] close(11 [pid 5082] <... close resumed>) = 0 [pid 6415] munmap(0x7f87c00f0000, 4194304) = 0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6418 attached [pid 6406] close(12 [pid 5079] mkdir("./58", 0777 [pid 6418] set_robust_list(0x5555565af5e0, 24 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5082] <... clone resumed>, child_tidptr=0x5555565af5d0) = 168 [pid 5079] <... mkdir resumed>) = 0 [pid 6418] <... set_robust_list resumed>) = 0 [pid 6406] close(13 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6418] chdir("./59" [pid 6415] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] lstat("./58/cgroup.cpu", [pid 5079] <... openat resumed>) = 3 [pid 6418] <... chdir resumed>) = 0 [pid 6406] close(14 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6418] <... prctl resumed>) = 0 [pid 6406] close(15 [ 159.345255][ T6414] 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 [ 159.367447][ T6414] REISERFS (device loop0): checking transaction log (loop0) [ 159.380056][ T6414] REISERFS (device loop0): Using r5 hash to sort names [pid 5079] close(3 [pid 6418] setpgid(0, 0 [pid 6415] <... openat resumed>) = 4 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... close resumed>) = 0 [pid 6418] <... setpgid resumed>) = 0 [pid 6406] close(16 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6419 attached [pid 6418] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6415] ioctl(4, LOOP_SET_FD, 3 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] unlink("./58/cgroup.cpu" [pid 6419] set_robust_list(0x5555565af5e0, 24 [pid 6418] <... symlink resumed>) = 0 [pid 6406] close(17 [pid 5079] <... clone resumed>, child_tidptr=0x5555565af5d0) = 160 [pid 6419] <... set_robust_list resumed>) = 0 [pid 6418] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6419] chdir("./58" [pid 6418] <... symlink resumed>) = 0 [pid 6406] close(18 [pid 6419] <... chdir resumed>) = 0 [pid 6418] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6418] <... symlink resumed>) = 0 [pid 6406] close(19 [pid 6419] <... prctl resumed>) = 0 [pid 6418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6419] setpgid(0, 0 [pid 6418] <... openat resumed>) = 3 [pid 6406] close(20 [pid 5081] <... unlink resumed>) = 0 [pid 6419] <... setpgid resumed>) = 0 [pid 6418] write(3, "1000", 4 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6419] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6418] <... write resumed>) = 4 [pid 6406] close(21 [pid 5081] getdents64(3, [pid 6419] <... symlink resumed>) = 0 [pid 6418] close(3 [pid 6415] <... ioctl resumed>) = 0 [pid 6414] <... mount resumed>) = 0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... getdents64 resumed>0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 6419] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6418] <... close resumed>) = 0 [pid 6406] close(22 [pid 6419] <... symlink resumed>) = 0 [pid 6418] read(200, [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 6419] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6418] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] close(23 [pid 6419] <... symlink resumed>) = 0 [pid 6418] symlink("/dev/binderfs", "./binderfs" [pid 6414] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... close resumed>) = 0 [pid 6419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6418] <... symlink resumed>) = 0 [pid 6415] close(3 [pid 6414] <... openat resumed>) = 3 [pid 5081] rmdir("./58" [pid 6419] <... openat resumed>) = 3 [pid 6418] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... close resumed>) = 0 [pid 6414] chdir("./file0" [pid 6406] close(24 [pid 6419] write(3, "1000", 4 [pid 6418] <... futex resumed>) = 0 [pid 6415] mkdir("./file0", 0777 [pid 6414] <... chdir resumed>) = 0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] <... rmdir resumed>) = 0 [pid 6419] <... write resumed>) = 4 [pid 6418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6415] <... mkdir resumed>) = 0 [pid 6414] ioctl(4, LOOP_CLR_FD [pid 6406] close(25 [pid 5081] mkdir("./59", 0777 [pid 6419] close(3 [pid 6418] <... mmap resumed>) = 0x7f87c84f0000 [pid 6415] mount("/dev/loop4", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6414] <... ioctl resumed>) = 0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6419] <... close resumed>) = 0 [pid 6418] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6414] close(4 [pid 6406] close(26 [pid 5081] <... mkdir resumed>) = 0 [pid 6419] read(200, [pid 6418] <... mprotect resumed>) = 0 [pid 6414] <... close resumed>) = 0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6419] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6418] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6414] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] close(27 [pid 5081] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6421 attached [pid 6419] symlink("/dev/binderfs", "./binderfs" [pid 6414] <... futex resumed>) = 1 [pid 6412] <... futex resumed>) = 0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 159.391732][ T6414] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 159.411058][ T6414] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 159.422756][ T6415] loop4: detected capacity change from 0 to 8192 [pid 5081] ioctl(3, LOOP_CLR_FD [pid 6421] set_robust_list(0x7f87c85109e0, 24 [pid 6419] <... symlink resumed>) = 0 [pid 6418] <... clone resumed>, parent_tid=[169], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 169 [pid 6414] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6412] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] close(28 [pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6421] <... set_robust_list resumed>) = 0 [pid 6419] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6412] <... futex resumed>) = 0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5081] close(3 [pid 6421] memfd_create("syzkaller", 0 [pid 6419] <... futex resumed>) = 0 [pid 6418] <... futex resumed>) = 0 [pid 6414] mkdir("./file1", 000 [pid 6412] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6406] close(29 [pid 6421] <... memfd_create resumed>) = 3 [pid 6419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6418] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6414] <... mkdir resumed>) = 0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6419] <... mmap resumed>) = 0x7f87c84f0000 [pid 6414] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] exit_group(0 [pid 6421] <... mmap resumed>) = 0x7f87c00f0000 [pid 6419] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6416] <... futex resumed>) = ? [pid 6414] <... futex resumed>) = 0 [pid 6407] <... futex resumed>) = ? [pid 6406] <... exit_group resumed>) = ? [pid 6419] <... mprotect resumed>) = 0 [pid 6416] +++ exited with 0 +++ [pid 6414] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6407] +++ exited with 0 +++ [pid 6406] +++ exited with 0 +++ [pid 5081] <... close resumed>) = 0 [pid 6419] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6412] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=159, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- ./strace-static-x86_64: Process 6422 attached [pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6422] set_robust_list(0x7f87c85109e0, 24 [pid 6419] <... clone resumed>, parent_tid=[161], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 161 [pid 6414] <... futex resumed>) = 0 [pid 6412] <... futex resumed>) = 1 [pid 6422] <... set_robust_list resumed>) = 0 [pid 6419] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] mkdir("./bus", 000 [pid 5083] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6422] memfd_create("syzkaller", 0 [pid 6419] <... futex resumed>) = 0 [pid 6414] <... mkdir resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6422] <... memfd_create resumed>) = 3 [pid 6419] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6414] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6423 attached [pid 6422] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6414] <... futex resumed>) = 0 [pid 6412] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... openat resumed>) = 3 [pid 6423] set_robust_list(0x5555565af5e0, 24 [pid 6422] <... mmap resumed>) = 0x7f87c00f0000 [ 159.479161][ T6415] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 159.502385][ T6415] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 159.520296][ T6415] REISERFS (device loop4): using ordered data mode [pid 6414] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5083] fstat(3, [pid 6423] <... set_robust_list resumed>) = 0 [pid 6412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... clone resumed>, child_tidptr=0x5555565af5d0) = 168 [pid 6423] chdir("./59" [pid 5083] getdents64(3, [pid 6423] <... chdir resumed>) = 0 [pid 5083] <... getdents64 resumed>0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 6423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6423] <... prctl resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6423] setpgid(0, 0 [pid 5083] lstat("./57/binderfs", [pid 6423] <... setpgid resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6423] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6412] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5083] unlink("./57/binderfs" [pid 6423] <... symlink resumed>) = 0 [pid 5083] <... unlink resumed>) = 0 [pid 6423] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5083] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6423] <... symlink resumed>) = 0 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6423] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5083] lstat("./57/cgroup", [pid 6423] <... symlink resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] unlink("./57/cgroup" [pid 6423] <... openat resumed>) = 3 [pid 5083] <... unlink resumed>) = 0 [pid 6423] write(3, "1000", 4 [pid 5083] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6423] <... write resumed>) = 4 [pid 5083] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6423] close(3 [pid 5083] lstat("./57/cgroup.net", [pid 6423] <... close resumed>) = 0 [pid 5083] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6423] read(200, [pid 5083] unlink("./57/cgroup.net" [pid 6423] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5083] <... unlink resumed>) = 0 [pid 6423] symlink("/dev/binderfs", "./binderfs" [pid 5083] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6414] <... futex resumed>) = 0 [pid 6412] <... futex resumed>) = 1 [pid 6423] <... symlink resumed>) = 0 [pid 6414] mkdir("./file0", 000 [pid 6412] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... mkdir resumed>) = 0 [pid 6423] <... futex resumed>) = 0 [pid 6422] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6421] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6414] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6414] <... futex resumed>) = 1 [pid 6423] <... mmap resumed>) = 0x7f87c84f0000 [pid 6414] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6412] <... futex resumed>) = 0 [pid 6423] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6423] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6424 attached [pid 6424] set_robust_list(0x7f87c85109e0, 24 [pid 6423] <... clone resumed>, parent_tid=[169], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 169 [pid 6424] <... set_robust_list resumed>) = 0 [pid 6423] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] memfd_create("syzkaller", 0 [pid 6423] <... futex resumed>) = 0 [pid 6412] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... memfd_create resumed>) = 3 [pid 6423] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6414] <... futex resumed>) = 0 [pid 6412] <... futex resumed>) = 1 [pid 6424] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 159.530082][ T6415] reiserfs: using flush barriers [ 159.537433][ T6415] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 159.564255][ T6415] REISERFS (device loop4): checking transaction log (loop4) [pid 6414] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6412] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] <... mmap resumed>) = 0x7f87c00f0000 [ 159.594094][ T6414] overlayfs: upper fs needs to support d_type. [ 159.606185][ T6415] REISERFS (device loop4): Using r5 hash to sort names [ 159.625253][ T6415] REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 6412] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6412] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6412] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6412] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6425 attached , parent_tid=[158], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 158 [pid 6412] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] set_robust_list(0x7f87c04ef9e0, 24 [pid 6412] <... futex resumed>) = 0 [pid 6425] <... set_robust_list resumed>) = 0 [pid 6412] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6425] mkdir(".", 0777) = -1 EEXIST (File exists) [ 159.625585][ T6414] overlayfs: upper fs does not support tmpfile. [pid 6425] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6424] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5083] <... umount2 resumed>) = 0 [pid 5083] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./57/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "./57/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5083] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] getdents64(4, 0x5555565b8660 /* 2 entries */, 32768) = 48 [pid 5083] getdents64(4, 0x5555565b8660 /* 0 entries */, 32768) = 0 [pid 5083] close(4) = 0 [pid 5083] rmdir("./57/file0") = 0 [pid 5083] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] lstat("./57/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5083] unlink("./57/cgroup.cpu") = 0 [pid 5083] getdents64(3, 0x5555565b0620 /* 0 entries */, 32768) = 0 [pid 5083] close(3) = 0 [pid 5083] rmdir("./57") = 0 [pid 5083] mkdir("./58", 0777) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5083] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 159.692587][ T6425] REISERFS warning (device loop0): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 159.712473][ T6415] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5083] close(3 [pid 6425] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 6422] <... write resumed>) = 4194304 [pid 6415] <... mount resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6426 attached [pid 6422] munmap(0x7f87c00f0000, 4194304 [pid 6415] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5083] <... clone resumed>, child_tidptr=0x5555565af5d0) = 162 [pid 6415] <... openat resumed>) = 3 [pid 6426] set_robust_list(0x5555565af5e0, 24 [pid 6415] chdir("./file0" [pid 6422] <... munmap resumed>) = 0 [pid 6426] <... set_robust_list resumed>) = 0 [pid 6415] <... chdir resumed>) = 0 [pid 6415] ioctl(4, LOOP_CLR_FD [pid 6426] chdir("./58") = 0 [pid 6422] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6415] <... ioctl resumed>) = 0 [pid 6422] <... openat resumed>) = 4 [pid 6426] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6415] close(4 [pid 6422] ioctl(4, LOOP_SET_FD, 3 [pid 6425] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... prctl resumed>) = 0 [pid 6415] <... close resumed>) = 0 [pid 6425] <... futex resumed>) = 1 [pid 6412] <... futex resumed>) = 0 [pid 6426] setpgid(0, 0 [pid 6412] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6426] <... setpgid resumed>) = 0 [pid 6413] <... futex resumed>) = 0 [pid 6415] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6413] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6413] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6415] mkdir("./file1", 000 [pid 6426] <... symlink resumed>) = 0 [pid 6415] <... mkdir resumed>) = 0 [pid 6415] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6415] <... futex resumed>) = 1 [pid 6413] <... futex resumed>) = 0 [ 159.767964][ T6414] ------------[ cut here ]------------ [ 159.774074][ T6414] kernel BUG at fs/reiserfs/journal.c:3039! [ 159.792299][ T6422] loop1: detected capacity change from 0 to 8192 [ 159.812166][ T6414] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [pid 6426] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6425] unlink(NULL [pid 6424] <... write resumed>) = 4194304 [pid 6422] <... ioctl resumed>) = 0 [pid 6421] <... write resumed>) = 4194304 [pid 6415] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6413] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... futex resumed>) = 0 [pid 6426] <... symlink resumed>) = 0 [pid 6424] munmap(0x7f87c00f0000, 4194304 [pid 6422] close(3 [pid 6421] munmap(0x7f87c00f0000, 4194304 [pid 6415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6424] <... munmap resumed>) = 0 [pid 6422] <... close resumed>) = 0 [pid 6421] <... munmap resumed>) = 0 [pid 6415] mkdir("./bus", 000 [pid 6426] <... openat resumed>) = 3 [pid 6424] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6422] mkdir("./file0", 0777 [pid 6421] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6415] <... mkdir resumed>) = 0 [pid 6426] write(3, "1000", 4 [pid 6424] <... openat resumed>) = 4 [pid 6422] <... mkdir resumed>) = 0 [pid 6421] <... openat resumed>) = 4 [pid 6415] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... write resumed>) = 4 [pid 6424] ioctl(4, LOOP_SET_FD, 3 [ 159.818932][ T6414] CPU: 1 PID: 6414 Comm: syz-executor407 Not tainted 6.2.0-rc3-syzkaller-00349-g97ec4d559d93 #0 [ 159.829569][ T6414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 159.840708][ T6414] RIP: 0010:do_journal_begin_r+0x105b/0x1070 [ 159.841604][ T6424] loop3: detected capacity change from 0 to 8192 [pid 6422] mount("/dev/loop1", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6421] ioctl(4, LOOP_SET_FD, 3 [pid 6415] <... futex resumed>) = 0 [pid 6426] close(3 [pid 6424] <... ioctl resumed>) = 0 [pid 6415] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6413] <... futex resumed>) = 0 [pid 6426] <... close resumed>) = 0 [pid 6413] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] read(200, [pid 6413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6426] <... read resumed>0x7ffc91c4cd50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6413] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] symlink("/dev/binderfs", "./binderfs" [pid 6415] <... futex resumed>) = 0 [pid 6413] <... futex resumed>) = 1 [pid 6426] <... symlink resumed>) = 0 [pid 6415] mkdir("./file0", 000 [pid 6413] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... mkdir resumed>) = 0 [pid 6426] <... futex resumed>) = 0 [pid 6415] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6415] <... futex resumed>) = 1 [pid 6413] <... futex resumed>) = 0 [pid 6426] <... mmap resumed>) = 0x7f87c84f0000 [pid 6415] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6413] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] mprotect(0x7f87c84f1000, 131072, PROT_READ|PROT_WRITE [pid 6415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6413] <... futex resumed>) = 0 [pid 6426] <... mprotect resumed>) = 0 [pid 6415] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6413] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] clone(child_stack=0x7f87c85103f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[163], tls=0x7f87c8510700, child_tidptr=0x7f87c85109d0) = 163 [pid 6426] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6426] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6424] close(3) = 0 [pid 6424] mkdir("./file0", 0777) = 0 [pid 6424] mount("/dev/loop3", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6421] <... ioctl resumed>) = 0 [pid 6421] close(3) = 0 [pid 6421] mkdir("./file0", 0777) = 0 [pid 6421] mount("/dev/loop5", "./file0", "reiserfs", MS_DIRSYNC|MS_POSIXACL, "" [pid 6425] <... unlink resumed>) = -1 EFAULT (Bad address) [pid 6425] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6425] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6412] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [ 159.847082][ T6414] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 22 ff ff ff 48 89 df e8 66 c2 b1 ff e9 15 ff ff ff e8 dc 18 5c ff 0f 0b e8 d5 18 5c ff <0f> 0b e8 9e 5d 81 08 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 [ 159.847104][ T6414] RSP: 0018:ffffc9000b1ff280 EFLAGS: 00010293 [ 159.847119][ T6414] RAX: ffffffff822fc32b RBX: 000000001100e35a RCX: ffff88801f123a80 [ 159.847130][ T6414] RDX: 0000000000000000 RSI: 000000001100e35a RDI: 0000000000000100 [ 159.847139][ T6414] RBP: ffffc9000b1ff428 R08: ffffffff822fb402 R09: fffffbfff1d2d28e [ 159.847148][ T6414] R10: fffffbfff1d2d28e R11: 1ffffffff1d2d28d R12: ffff888020b12678 [ 159.847158][ T6414] R13: ffffc9000b3ce214 R14: dffffc0000000000 R15: 0000000000000100 [ 159.847166][ T6414] FS: 00007f87c8510700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 159.847178][ T6414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 159.847187][ T6414] CR2: 00007ffc91c4d128 CR3: 0000000027fa4000 CR4: 00000000003506e0 [ 159.847200][ T6414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 159.847209][ T6414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 159.847217][ T6414] Call Trace: [ 159.847224][ T6414] [ 159.847232][ T6414] ? __mutex_lock_common+0x45f/0x26e0 [ 159.847279][ T6414] ? __dquot_initialize+0x202/0xcf0 [ 159.847297][ T6414] ? reiserfs_write_lock+0x77/0xd0 [ 159.847315][ T6414] ? journal_join_abort+0xe0/0xe0 [ 159.847329][ T6414] ? bpf_lsm_inode_init_security+0x5/0x10 [ 159.854156][ T6421] loop5: detected capacity change from 0 to 8192 [pid 6413] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6413] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f87c04cf000 [pid 6413] mprotect(0x7f87c04d0000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6413] clone(child_stack=0x7f87c04ef3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[160], tls=0x7f87c04ef700, child_tidptr=0x7f87c04ef9d0) = 160 [pid 6413] futex(0x7f87c85ed798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 159.874708][ T6414] ? security_old_inode_init_security+0x10b/0x150 [ 159.874750][ T6414] journal_begin+0x14b/0x350 [ 159.874768][ T6414] reiserfs_create+0x2d1/0x660 [ 159.874786][ T6414] ? reiserfs_lookup+0x490/0x490 [ 159.918917][ T6415] overlayfs: upper fs needs to support d_type. [ 159.928265][ T6414] ? privileged_wrt_inode_uidgid+0x20e/0x260 [ 159.928383][ T6414] ? generic_permission+0x289/0x500 [ 159.928404][ T6414] ? bpf_lsm_inode_create+0x5/0x10 [ 159.928422][ T6414] ? security_inode_create+0xdd/0x120 [pid 6413] futex(0x7f87c85ed79c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6428 attached ./strace-static-x86_64: Process 6431 attached [ 159.928442][ T6414] vfs_create+0x302/0x490 [ 159.938555][ T6421] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 159.945439][ T6414] ovl_do_create+0x76/0xb0 [ 159.954279][ T6424] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 159.962429][ T6414] ovl_create_real+0x3c1/0x4b0 [ 159.962462][ T6414] ? ovl_mkdir_real+0x210/0x210 [ 159.962479][ T6414] ? find_next_clump8+0x1b0/0x1b0 [ 159.972066][ T6422] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 159.975754][ T6414] ? preempt_schedule_common+0xb7/0xe0 [ 159.988693][ T6422] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 159.989996][ T6414] ovl_check_rename_whiteout+0x138/0x5e0 [ 159.990028][ T6414] ? __irq_work_queue_local+0x121/0x180 [pid 6428] set_robust_list(0x7f87c85109e0, 24) = 0 [pid 6431] set_robust_list(0x7f87c04ef9e0, 24) = 0 [pid 6431] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 6431] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xee\xa7\x3c\x3c\xa0\x47\x34\x9a\xb6\x6d\x52\x9f\xb1\xe2\xbd\xc6\x18\x75\xc6\xcc\xeb\xea\x30\xba\x1b\x89\x77\xc6\x32\xdd\xcb\xe0\xed\x04\xf9\x86\xb6\x8e\xe6" [pid 6428] memfd_create("syzkaller", 0) = 3 [pid 6415] <... mount resumed>) = 0 [pid 6415] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6415] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6431] <... mount resumed>) = -1 EINVAL (Invalid argument) [ 159.998431][ T6422] REISERFS (device loop1): using ordered data mode [ 160.000223][ T6414] ? ovl_workdir_create+0x8f0/0x8f0 [ 160.006430][ T6422] reiserfs: using flush barriers [ 160.012852][ T6414] ? vprintk_emit+0x109/0x1e0 [ 160.012885][ T6414] ? task_work_add+0x2d0/0x340 [ 160.012906][ T6414] ? _printk+0xc0/0x100 [ 160.012919][ T6414] ? rcu_lock_release+0x20/0x20 [ 160.012938][ T6414] ? fput+0xe7/0x1a0 [ 160.012957][ T6414] ? fput+0x155/0x1a0 [ 160.012974][ T6414] ovl_make_workdir+0x3e4/0xdf0 [pid 6428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6431] futex(0x7f87c85ed79c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... futex resumed>) = 0 [pid 6413] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6413] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6415] <... futex resumed>) = 0 [pid 6415] unlink(NULL) = -1 EFAULT (Bad address) [pid 6415] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... futex resumed>) = 0 [pid 6413] close(3) = 0 [pid 6413] close(4) = -1 EBADF (Bad file descriptor) [pid 6413] close(5) = -1 EBADF (Bad file descriptor) [pid 6413] close(6) = -1 EBADF (Bad file descriptor) [pid 6413] close(7) = -1 EBADF (Bad file descriptor) [pid 6413] close(8) = -1 EBADF (Bad file descriptor) [pid 6413] close(9) = -1 EBADF (Bad file descriptor) [pid 6413] close(10) = -1 EBADF (Bad file descriptor) [pid 6431] <... futex resumed>) = 1 [pid 6415] <... futex resumed>) = 1 [pid 6413] close(11) = -1 EBADF (Bad file descriptor) [pid 6413] close(12) = -1 EBADF (Bad file descriptor) [pid 6431] futex(0x7f87c85ed798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] futex(0x7f87c85ed788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6413] close(13) = -1 EBADF (Bad file descriptor) [pid 6413] close(14) = -1 EBADF (Bad file descriptor) [pid 6413] close(15) = -1 EBADF (Bad file descriptor) [pid 6413] close(16) = -1 EBADF (Bad file descriptor) [pid 6413] close(17) = -1 EBADF (Bad file descriptor) [pid 6413] close(18) = -1 EBADF (Bad file descriptor) [pid 6413] close(19) = -1 EBADF (Bad file descriptor) [pid 6413] close(20) = -1 EBADF (Bad file descriptor) [pid 6413] close(21) = -1 EBADF (Bad file descriptor) [pid 6413] close(22) = -1 EBADF (Bad file descriptor) [pid 6413] close(23) = -1 EBADF (Bad file descriptor) [pid 6413] close(24) = -1 EBADF (Bad file descriptor) [pid 6413] close(25) = -1 EBADF (Bad file descriptor) [pid 6413] close(26) = -1 EBADF (Bad file descriptor) [pid 6413] close(27) = -1 EBADF (Bad file descriptor) [pid 6413] close(28) = -1 EBADF (Bad file descriptor) [pid 6413] close(29) = -1 EBADF (Bad file descriptor) [pid 6413] exit_group(0 [pid 6431] <... futex resumed>) = ? [pid 6415] <... futex resumed>) = ? [pid 6413] <... exit_group resumed>) = ? [pid 6415] +++ exited with 0 +++ [pid 6431] +++ exited with 0 +++ [pid 6413] +++ exited with 0 +++ [pid 6428] <... mmap resumed>) = 0x7f87c00f0000 [ 160.012997][ T6414] ? ovl_mount_dir_noesc+0x190/0x190 [ 160.013017][ T6414] ? _raw_spin_unlock+0x24/0x40 [ 160.013051][ T6414] ovl_get_workdir+0x2e4/0x410 [ 160.013071][ T6414] ? ovl_get_upper+0x5d0/0x5d0 [ 160.013089][ T6414] ? ovl_fill_super+0x1299/0x2790 [ 160.013105][ T6414] ? trace_kmalloc+0x30/0xf0 [ 160.013120][ T6414] ? __kmalloc+0xcc/0x190 [ 160.013137][ T6414] ovl_fill_super+0x19d7/0x2790 [ 160.013163][ T6414] ? ovl_mount+0x30/0x30 [ 160.013182][ T6414] ? sget+0x523/0x560 [ 160.013201][ T6414] ? free_anon_bdev+0x20/0x20 [ 160.013220][ T6414] ? ovl_mount+0x30/0x30 [ 160.013237][ T6414] mount_nodev+0x52/0xe0 [ 160.013258][ T6414] legacy_get_tree+0xea/0x180 [ 160.013275][ T6414] ? virtio_fs_zero_page_range+0x150/0x150 [ 160.013295][ T6414] vfs_get_tree+0x88/0x270 [ 160.013316][ T6414] do_new_mount+0x289/0xad0 [ 160.013341][ T6414] ? do_move_mount_old+0x150/0x150 [pid 5080] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5080] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5080] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5080] getdents64(3, 0x5555565b0620 /* 7 entries */, 32768) = 208 [pid 5080] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5080] unlink("./58/binderfs") = 0 [pid 5080] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./58/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5080] unlink("./58/cgroup") = 0 [pid 5080] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./58/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5080] unlink("./58/cgroup.net") = 0 [ 160.013363][ T6414] ? user_path_at_empty+0x149/0x1a0 [ 160.013385][ T6414] __se_sys_mount+0x2d3/0x3c0 [ 160.013401][ T6414] ? __x64_sys_mount+0xc0/0xc0 [ 160.013417][ T6414] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 160.013432][ T6414] ? __x64_sys_mount+0x1c/0xc0 [ 160.013446][ T6414] do_syscall_64+0x3d/0xb0 [ 160.023739][ T6421] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5080] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6428] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 6422] <... mount resumed>) = 0 [ 160.024832][ T6414] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 160.024878][ T6414] RIP: 0033:0x7f87c8566bf9 [ 160.030874][ T6424] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 160.034925][ T6414] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [pid 6422] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 160.034949][ T6414] RSP: 002b:00007f87c85102f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 160.034967][ T6414] RAX: ffffffffffffffda RBX: 00007f87c85ed780 RCX: 00007f87c8566bf9 [ 160.034978][ T6414] RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000 [ 160.034988][ T6414] RBP: 00007f87c85b9598 R08: 0000000020000480 R09: 0000000000000000 [ 160.034997][ T6414] R10: 0000000000000000 R11: 0000000000000246 R12: 7269647265776f6c [pid 6428] <... write resumed>) = 4194304 [pid 6424] <... mount resumed>) = 0 [ 160.035007][ T6414] R13: 0079616c7265766f R14: 9837512483e3bdcd R15: 00007f87c85ed788 [ 160.050239][ T6415] overlayfs: upper fs does not support tmpfile. [ 160.055819][ T6414] [ 160.055832][ T6414] Modules linked in: [ 160.056969][ T6424] REISERFS (device loop3): using ordered data mode [ 160.088385][ T6415] overlayfs: upper fs does not support RENAME_WHITEOUT. [pid 6422] chdir("./file0" [pid 5080] <... umount2 resumed>) = 0 [pid 5080] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5080] lstat("./58/file0", [pid 6422] <... chdir resumed>) = 0 [pid 6422] ioctl(4, LOOP_CLR_FD) = 0 [pid 6422] close(4) = 0 [pid 6422] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6419] <... futex resumed>) = 0 [pid 6422] mkdir("./file1", 000 [pid 6419] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... mkdir resumed>) = 0 [pid 6419] <... futex resumed>) = 0 [pid 6422] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6422] <... futex resumed>) = 0 [pid 6419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6422] mkdir("./bus", 000 [pid 6419] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... mkdir resumed>) = 0 [pid 6419] <... futex resumed>) = 0 [pid 6422] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6422] <... futex resumed>) = 0 [pid 6419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6422] mkdir("./file0", 000 [pid 6419] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... mkdir resumed>) = 0 [pid 6419] <... futex resumed>) = 0 [pid 6422] futex(0x7f87c85ed78c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] futex(0x7f87c85ed78c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6422] <... futex resumed>) = 0 [pid 6419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6422] mount(NULL, "./bus", "overlay", 0, "workdir=./bus,lowerdir=./file0,upperdir=./file1," [pid 6419] futex(0x7f87c85ed788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 160.093076][ T6421] REISERFS (device loop5): using ordered data mode [ 160.107766][ T6414] ---[ end trace 0000000000000000 ]--- [ 160.112960][ T6421] reiserfs: using flush barriers [ 160.137950][ T6414] RIP: 0010:do_journal_begin_r+0x105b/0x1070 [ 160.143218][ T6422] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 160.160234][ T6414] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 22 ff ff ff 48 89 df e8 66 c2 b1 ff e9 15 ff ff ff e8 dc 18 5c ff 0f 0b e8 d5 18 5c ff <0f> 0b e8 9e 5d 81 08 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 [ 160.165672][ T6422] REISERFS (device loop1): checking transaction log (loop1) [ 160.185212][ T6431] REISERFS warning (device loop4): super-6502 reiserfs_getopt: unknown mount option "ÿî§<< G4š¶mRŸ±â½ÆuÆÌëê0º‰wÆ2ÝËàíù†¶Žæ" [ 160.189180][ T6424] reiserfs: using flush barriers [ 160.195348][ T6414] RSP: 0018:ffffc9000b1ff280 EFLAGS: 00010293 [ 160.198857][ T6421] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 160.209225][ T6414] [ 160.214334][ T6421] REISERFS (device loop5): checking transaction log (loop5) [ 160.253460][ T6414] RAX: ffffffff822fc32b RBX: 000000001100e35a RCX: ffff88801f123a80 [ 160.254806][ T6422] REISERFS (device loop1): Using r5 hash to sort names [ 160.262287][ T6414] RDX: 0000000000000000 RSI: 000000001100e35a RDI: 0000000000000100 [ 160.266943][ T6424] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 160.270874][ T6414] RBP: ffffc9000b1ff428 R08: ffffffff822fb402 R09: fffffbfff1d2d28e [ 160.279582][ T6422] REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 160.285371][ T6414] R10: fffffbfff1d2d28e R11: 1ffffffff1d2d28d R12: ffff888020b12678 [ 160.289103][ T6424] REISERFS (device loop3): checking transaction log (loop3) [ 160.296527][ T6414] R13: ffffc9000b3ce214 R14: dffffc0000000000 R15: 0000000000000100 [ 160.317671][ T6422] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 160.337485][ T6414] FS: 00007f87c8510700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 160.357668][ T6424] REISERFS (device loop3): Using r5 hash to sort names [ 160.373446][ T6414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 160.378118][ T6424] REISERFS warning (device loop3): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 160.385323][ T6414] CR2: 00005555565b8628 CR3: 0000000027fa4000 CR4: 00000000003506f0 [ 160.407760][ T6421] REISERFS (device loop5): Using r5 hash to sort names [ 160.429382][ T6414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 160.437017][ T6424] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 160.472365][ T6421] REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 160.485416][ T6414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 160.577613][ T6422] overlayfs: upper fs needs to support d_type. [ 160.591802][ T6414] Kernel panic - not syncing: Fatal exception [ 160.600627][ T6414] Kernel Offset: disabled [ 160.908007][ T6414] Rebooting in 86400 seconds..