./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4086806517 <...> Warning: Permanently added '10.128.1.190' (ED25519) to the list of known hosts. execve("./syz-executor4086806517", ["./syz-executor4086806517"], 0x7ffd1c2f8690 /* 10 vars */) = 0 brk(NULL) = 0x555566fee000 brk(0x555566feed00) = 0x555566feed00 arch_prctl(ARCH_SET_FS, 0x555566fee380) = 0 set_tid_address(0x555566fee650) = 5220 set_robust_list(0x555566fee660, 24) = 0 rseq(0x555566feeca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4086806517", 4096) = 28 getrandom("\x7c\xa5\x05\xb4\x63\x62\xf5\xc0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555566feed00 brk(0x55556700fd00) = 0x55556700fd00 brk(0x555567010000) = 0x555567010000 mprotect(0x7f41b8b06000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 mkdir("./syzkaller.lVRBGk", 0700) = 0 chmod("./syzkaller.lVRBGk", 0777) = 0 chdir("./syzkaller.lVRBGk") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5221 attached , child_tidptr=0x555566fee650) = 5221 [pid 5221] set_robust_list(0x555566fee660, 24) = 0 [pid 5221] chdir("./0") = 0 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5221] setpgid(0, 0) = 0 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1000", 4) = 4 [pid 5221] close(3) = 0 [pid 5221] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5221] write(1, "executing program\n", 18executing program ) = 18 [pid 5221] memfd_create("syzkaller", 0) = 3 [pid 5221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5221] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5221] munmap(0x7f41b0600000, 138412032) = 0 [pid 5221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5221] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5221] close(3) = 0 [pid 5221] close(4) = 0 [pid 5221] mkdir("./file1", 0777) = 0 [ 83.893931][ T5221] loop0: detected capacity change from 0 to 32768 [ 83.906785][ T5221] ======================================================= [ 83.906785][ T5221] WARNING: The mand mount option has been deprecated and [ 83.906785][ T5221] and is ignored by this kernel. Remove the mand [ 83.906785][ T5221] option from the mount to silence this warning. [ 83.906785][ T5221] ======================================================= [pid 5221] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5221] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5221] chdir("./file1") = 0 [pid 5221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5221] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [ 83.970644][ T5221] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5221] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5221] exit_group(0) = ? [pid 5221] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5221, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 84.004683][ T29] audit: type=1800 audit(1727053872.714:2): pid=5221 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./0/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./0") = 0 mkdir("./1", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 84.085905][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5226 attached [pid 5226] set_robust_list(0x555566fee660, 24 [pid 5220] <... clone resumed>, child_tidptr=0x555566fee650) = 5226 [pid 5226] <... set_robust_list resumed>) = 0 [pid 5226] chdir("./1") = 0 [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5226] setpgid(0, 0) = 0 [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5226] write(3, "1000", 4) = 4 [pid 5226] close(3) = 0 [pid 5226] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5226] write(1, "executing program\n", 18executing program ) = 18 [pid 5226] memfd_create("syzkaller", 0) = 3 [pid 5226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5226] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5226] munmap(0x7f41b0600000, 138412032) = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5226] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5226] close(3) = 0 [pid 5226] close(4) = 0 [pid 5226] mkdir("./file1", 0777) = 0 [ 84.426311][ T5226] loop0: detected capacity change from 0 to 32768 [pid 5226] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5226] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5226] chdir("./file1") = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 84.492662][ T5226] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5226] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5226] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5226] exit_group(0) = ? [pid 5226] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5226, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 84.550727][ T29] audit: type=1800 audit(1727053873.254:3): pid=5226 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./1/binderfs") = 0 umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./1/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./1/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./1") = 0 mkdir("./2", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 84.734282][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5230 attached , child_tidptr=0x555566fee650) = 5230 [pid 5230] set_robust_list(0x555566fee660, 24) = 0 [pid 5230] chdir("./2") = 0 [pid 5230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5230] setpgid(0, 0) = 0 [pid 5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5230] write(3, "1000", 4) = 4 [pid 5230] close(3) = 0 [pid 5230] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5230] write(1, "executing program\n", 18) = 18 [pid 5230] memfd_create("syzkaller", 0) = 3 [pid 5230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5230] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5230] munmap(0x7f41b0600000, 138412032) = 0 [pid 5230] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5230] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5230] close(3) = 0 [pid 5230] close(4) = 0 [pid 5230] mkdir("./file1", 0777) = 0 [ 85.115068][ T5230] loop0: detected capacity change from 0 to 32768 [pid 5230] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5230] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5230] chdir("./file1") = 0 [pid 5230] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5230] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5230] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5230] exit_group(0) = ? [pid 5230] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5230, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=14 /* 0.14 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 85.171562][ T5230] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 85.189447][ T29] audit: type=1800 audit(1727053873.894:4): pid=5230 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 unlink("./2/binderfs") = 0 umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./2/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./2/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./2") = 0 mkdir("./3", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 85.263089][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5234 attached , child_tidptr=0x555566fee650) = 5234 [pid 5234] set_robust_list(0x555566fee660, 24) = 0 [pid 5234] chdir("./3") = 0 [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5234] setpgid(0, 0) = 0 [pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5234] write(3, "1000", 4) = 4 [pid 5234] close(3) = 0 [pid 5234] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5234] write(1, "executing program\n", 18) = 18 [pid 5234] memfd_create("syzkaller", 0) = 3 [pid 5234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5234] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5234] munmap(0x7f41b0600000, 138412032) = 0 [pid 5234] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5234] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5234] close(3) = 0 [pid 5234] close(4) = 0 [pid 5234] mkdir("./file1", 0777) = 0 [ 85.645678][ T5234] loop0: detected capacity change from 0 to 32768 [pid 5234] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5234] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5234] chdir("./file1") = 0 [pid 5234] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 85.689258][ T5234] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5234] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5234] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5234] exit_group(0) = ? [pid 5234] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5234, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./3/binderfs") = 0 [ 85.745976][ T29] audit: type=1800 audit(1727053874.454:5): pid=5234 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./3/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./3/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./3") = 0 mkdir("./4", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 85.812880][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5238 attached , child_tidptr=0x555566fee650) = 5238 [pid 5238] set_robust_list(0x555566fee660, 24) = 0 [pid 5238] chdir("./4") = 0 [pid 5238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5238] setpgid(0, 0) = 0 [pid 5238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5238] write(3, "1000", 4) = 4 [pid 5238] close(3) = 0 [pid 5238] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5238] write(1, "executing program\n", 18) = 18 [pid 5238] memfd_create("syzkaller", 0) = 3 [pid 5238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5238] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5238] munmap(0x7f41b0600000, 138412032) = 0 [pid 5238] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5238] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5238] close(3) = 0 [pid 5238] close(4) = 0 [pid 5238] mkdir("./file1", 0777) = 0 [ 86.187869][ T5238] loop0: detected capacity change from 0 to 32768 [pid 5238] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5238] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5238] chdir("./file1") = 0 [pid 5238] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 86.238197][ T5238] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5238] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5238] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5238] exit_group(0) = ? [pid 5238] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5238, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 86.284056][ T29] audit: type=1800 audit(1727053874.994:6): pid=5238 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./4/binderfs") = 0 umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./4/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./4/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./4") = 0 mkdir("./5", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 86.441835][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5242 attached , child_tidptr=0x555566fee650) = 5242 [pid 5242] set_robust_list(0x555566fee660, 24) = 0 [pid 5242] chdir("./5") = 0 [pid 5242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5242] setpgid(0, 0) = 0 [pid 5242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5242] write(3, "1000", 4) = 4 [pid 5242] close(3) = 0 [pid 5242] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5242] write(1, "executing program\n", 18) = 18 [pid 5242] memfd_create("syzkaller", 0) = 3 [pid 5242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5242] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5242] munmap(0x7f41b0600000, 138412032) = 0 [pid 5242] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5242] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5242] close(3) = 0 [pid 5242] close(4) = 0 [pid 5242] mkdir("./file1", 0777) = 0 [ 86.825109][ T5242] loop0: detected capacity change from 0 to 32768 [pid 5242] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5242] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5242] chdir("./file1") = 0 [pid 5242] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5242] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [ 86.876555][ T5242] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5242] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5242] exit_group(0) = ? [pid 5242] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5242, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 86.933442][ T29] audit: type=1800 audit(1727053875.644:7): pid=5242 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./5/binderfs") = 0 [ 87.034051][ T8] cfg80211: failed to load regulatory.db umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./5/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./5/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./5") = 0 mkdir("./6", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 87.078576][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5247 attached , child_tidptr=0x555566fee650) = 5247 [pid 5247] set_robust_list(0x555566fee660, 24) = 0 [pid 5247] chdir("./6") = 0 [pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5247] setpgid(0, 0) = 0 [pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5247] write(3, "1000", 4) = 4 [pid 5247] close(3) = 0 [pid 5247] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5247] write(1, "executing program\n", 18) = 18 [pid 5247] memfd_create("syzkaller", 0) = 3 [pid 5247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5247] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5247] munmap(0x7f41b0600000, 138412032) = 0 [pid 5247] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5247] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5247] close(3) = 0 [pid 5247] close(4) = 0 [pid 5247] mkdir("./file1", 0777) = 0 [ 87.462311][ T5247] loop0: detected capacity change from 0 to 32768 [pid 5247] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5247] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5247] chdir("./file1") = 0 [pid 5247] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5247] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [ 87.542021][ T5247] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5247] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5247] exit_group(0) = ? [pid 5247] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5247, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=17 /* 0.17 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./6/binderfs") = 0 [ 87.579784][ T29] audit: type=1800 audit(1727053876.284:8): pid=5247 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./6/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./6/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./6/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./6") = 0 mkdir("./7", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 87.636376][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5251 attached [pid 5251] set_robust_list(0x555566fee660, 24 [pid 5220] <... clone resumed>, child_tidptr=0x555566fee650) = 5251 [pid 5251] <... set_robust_list resumed>) = 0 [pid 5251] chdir("./7") = 0 [pid 5251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5251] setpgid(0, 0) = 0 [pid 5251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5251] write(3, "1000", 4) = 4 [pid 5251] close(3) = 0 [pid 5251] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5251] write(1, "executing program\n", 18) = 18 [pid 5251] memfd_create("syzkaller", 0) = 3 [pid 5251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5251] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5251] munmap(0x7f41b0600000, 138412032) = 0 [pid 5251] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5251] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5251] close(3) = 0 [pid 5251] close(4) = 0 [pid 5251] mkdir("./file1", 0777) = 0 [ 88.013514][ T5251] loop0: detected capacity change from 0 to 32768 [pid 5251] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5251] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5251] chdir("./file1") = 0 [pid 5251] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 88.070947][ T5251] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5251] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5251] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5251] exit_group(0) = ? [pid 5251] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5251, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [ 88.127099][ T29] audit: type=1800 audit(1727053876.834:9): pid=5251 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./7/binderfs") = 0 umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./7/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./7/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./7/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./7/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./7") = 0 mkdir("./8", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 88.297227][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5255 attached , child_tidptr=0x555566fee650) = 5255 [pid 5255] set_robust_list(0x555566fee660, 24) = 0 [pid 5255] chdir("./8") = 0 [pid 5255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5255] setpgid(0, 0) = 0 [pid 5255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5255] write(3, "1000", 4) = 4 [pid 5255] close(3) = 0 [pid 5255] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5255] write(1, "executing program\n", 18) = 18 [pid 5255] memfd_create("syzkaller", 0) = 3 [pid 5255] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5255] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5255] munmap(0x7f41b0600000, 138412032) = 0 [pid 5255] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5255] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5255] close(3) = 0 [pid 5255] close(4) = 0 [pid 5255] mkdir("./file1", 0777) = 0 [pid 5255] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5255] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5255] chdir("./file1") = 0 [pid 5255] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 88.670036][ T5255] loop0: detected capacity change from 0 to 32768 [ 88.706031][ T5255] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5255] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5255] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5255] exit_group(0) = ? [pid 5255] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5255, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- [ 88.763965][ T29] audit: type=1800 audit(1727053877.474:10): pid=5255 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./8/binderfs") = 0 umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./8/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./8/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./8/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./8/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./8") = 0 mkdir("./9", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 88.916006][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5259 attached , child_tidptr=0x555566fee650) = 5259 [pid 5259] set_robust_list(0x555566fee660, 24) = 0 [pid 5259] chdir("./9") = 0 [pid 5259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5259] setpgid(0, 0) = 0 [pid 5259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5259] write(3, "1000", 4) = 4 [pid 5259] close(3) = 0 [pid 5259] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5259] write(1, "executing program\n", 18executing program ) = 18 [pid 5259] memfd_create("syzkaller", 0) = 3 [pid 5259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5259] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5259] munmap(0x7f41b0600000, 138412032) = 0 [pid 5259] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5259] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5259] close(3) = 0 [pid 5259] close(4) = 0 [pid 5259] mkdir("./file1", 0777) = 0 [ 89.253821][ T5259] loop0: detected capacity change from 0 to 32768 [pid 5259] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5259] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5259] chdir("./file1") = 0 [pid 5259] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 89.310311][ T5259] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5259] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5259] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5259] exit_group(0) = ? [pid 5259] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5259, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./9/binderfs") = 0 [ 89.365919][ T29] audit: type=1800 audit(1727053878.074:11): pid=5259 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./9/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./9/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./9/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./9/file1") = 0 [ 89.424365][ T5220] ocfs2: Unmounting device (7,0) on (node local) getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./9") = 0 mkdir("./10", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5263 attached , child_tidptr=0x555566fee650) = 5263 [pid 5263] set_robust_list(0x555566fee660, 24) = 0 [pid 5263] chdir("./10") = 0 [pid 5263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5263] setpgid(0, 0) = 0 [pid 5263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5263] write(3, "1000", 4) = 4 [pid 5263] close(3) = 0 [pid 5263] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5263] write(1, "executing program\n", 18) = 18 [pid 5263] memfd_create("syzkaller", 0) = 3 [pid 5263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5263] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5263] munmap(0x7f41b0600000, 138412032) = 0 [pid 5263] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5263] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5263] close(3) = 0 [pid 5263] close(4) = 0 [pid 5263] mkdir("./file1", 0777) = 0 [ 89.855714][ T5263] loop0: detected capacity change from 0 to 32768 [pid 5263] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5263] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5263] chdir("./file1") = 0 [pid 5263] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5263] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5263] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5263] exit_group(0) = ? [pid 5263] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5263, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=17 /* 0.17 s */} --- [ 89.909852][ T5263] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 89.933263][ T29] audit: type=1800 audit(1727053878.634:12): pid=5263 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./10/binderfs") = 0 umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./10/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./10/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./10/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./10/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./10") = 0 mkdir("./11", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 90.101861][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5267 attached , child_tidptr=0x555566fee650) = 5267 [pid 5267] set_robust_list(0x555566fee660, 24) = 0 [pid 5267] chdir("./11") = 0 [pid 5267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5267] setpgid(0, 0) = 0 [pid 5267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5267] write(3, "1000", 4) = 4 [pid 5267] close(3) = 0 [pid 5267] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5267] write(1, "executing program\n", 18) = 18 [pid 5267] memfd_create("syzkaller", 0) = 3 [pid 5267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5267] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5267] munmap(0x7f41b0600000, 138412032) = 0 [pid 5267] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5267] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5267] close(3) = 0 [pid 5267] close(4) = 0 [pid 5267] mkdir("./file1", 0777) = 0 [ 90.620952][ T5267] loop0: detected capacity change from 0 to 32768 [pid 5267] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5267] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5267] chdir("./file1") = 0 [pid 5267] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 90.678500][ T5267] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5267] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5267] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5267] exit_group(0) = ? [pid 5267] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5267, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 90.710874][ T29] audit: type=1800 audit(1727053879.414:13): pid=5267 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./11/binderfs") = 0 umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./11/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./11/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 90.781489][ T5220] ocfs2: Unmounting device (7,0) on (node local) openat(AT_FDCWD, "./11/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./11/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./11") = 0 mkdir("./12", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5271 attached [pid 5271] set_robust_list(0x555566fee660, 24 [pid 5220] <... clone resumed>, child_tidptr=0x555566fee650) = 5271 [pid 5271] <... set_robust_list resumed>) = 0 [pid 5271] chdir("./12") = 0 [pid 5271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5271] setpgid(0, 0) = 0 [pid 5271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5271] write(3, "1000", 4) = 4 [pid 5271] close(3) = 0 [pid 5271] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5271] write(1, "executing program\n", 18) = 18 [pid 5271] memfd_create("syzkaller", 0) = 3 [pid 5271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5271] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5271] munmap(0x7f41b0600000, 138412032) = 0 [pid 5271] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5271] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5271] close(3) = 0 [pid 5271] close(4) = 0 [pid 5271] mkdir("./file1", 0777) = 0 [ 91.329095][ T5271] loop0: detected capacity change from 0 to 32768 [pid 5271] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5271] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5271] chdir("./file1") = 0 [pid 5271] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 91.380408][ T5271] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5271] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5271] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5271] exit_group(0) = ? [ 91.436232][ T29] audit: type=1800 audit(1727053880.144:14): pid=5271 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 [pid 5271] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5271, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./12/binderfs") = 0 umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./12/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./12/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./12/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./12/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./12") = 0 mkdir("./13", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 91.621388][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5275 attached , child_tidptr=0x555566fee650) = 5275 [pid 5275] set_robust_list(0x555566fee660, 24) = 0 [pid 5275] chdir("./13") = 0 [pid 5275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5275] setpgid(0, 0) = 0 [pid 5275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5275] write(3, "1000", 4) = 4 [pid 5275] close(3) = 0 [pid 5275] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5275] write(1, "executing program\n", 18) = 18 [pid 5275] memfd_create("syzkaller", 0) = 3 [pid 5275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5275] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5275] munmap(0x7f41b0600000, 138412032) = 0 [pid 5275] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5275] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5275] close(3) = 0 [pid 5275] close(4) = 0 [pid 5275] mkdir("./file1", 0777) = 0 [ 92.000119][ T5275] loop0: detected capacity change from 0 to 32768 [pid 5275] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5275] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5275] chdir("./file1") = 0 [pid 5275] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5275] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [ 92.045089][ T5275] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5275] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5275] exit_group(0) = ? [pid 5275] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5275, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 92.090503][ T29] audit: type=1800 audit(1727053880.794:15): pid=5275 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./13/binderfs") = 0 umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./13/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./13/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 92.303099][ T5220] ocfs2: Unmounting device (7,0) on (node local) openat(AT_FDCWD, "./13/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./13/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./13") = 0 mkdir("./14", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5279 attached , child_tidptr=0x555566fee650) = 5279 [pid 5279] set_robust_list(0x555566fee660, 24) = 0 [pid 5279] chdir("./14") = 0 [pid 5279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5279] setpgid(0, 0) = 0 [pid 5279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5279] write(3, "1000", 4) = 4 [pid 5279] close(3) = 0 [pid 5279] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5279] write(1, "executing program\n", 18) = 18 [pid 5279] memfd_create("syzkaller", 0) = 3 [pid 5279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5279] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5279] munmap(0x7f41b0600000, 138412032) = 0 [pid 5279] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5279] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5279] close(3) = 0 [pid 5279] close(4) = 0 [pid 5279] mkdir("./file1", 0777) = 0 [ 92.822890][ T5279] loop0: detected capacity change from 0 to 32768 [pid 5279] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5279] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5279] chdir("./file1") = 0 [pid 5279] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5279] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [ 92.880014][ T5279] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5279] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5279] exit_group(0) = ? [pid 5279] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5279, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./14/binderfs") = 0 [ 92.916989][ T29] audit: type=1800 audit(1727053881.624:16): pid=5279 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./14/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./14/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 92.978043][ T5220] ocfs2: Unmounting device (7,0) on (node local) openat(AT_FDCWD, "./14/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./14/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./14") = 0 mkdir("./15", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5283 attached , child_tidptr=0x555566fee650) = 5283 [pid 5283] set_robust_list(0x555566fee660, 24) = 0 [pid 5283] chdir("./15") = 0 [pid 5283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5283] setpgid(0, 0) = 0 [pid 5283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5283] write(3, "1000", 4) = 4 [pid 5283] close(3) = 0 [pid 5283] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5283] write(1, "executing program\n", 18) = 18 [pid 5283] memfd_create("syzkaller", 0) = 3 [pid 5283] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5283] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5283] munmap(0x7f41b0600000, 138412032) = 0 [pid 5283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5283] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5283] close(3) = 0 [pid 5283] close(4) = 0 [pid 5283] mkdir("./file1", 0777) = 0 [ 93.527786][ T5283] loop0: detected capacity change from 0 to 32768 [pid 5283] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5283] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5283] chdir("./file1") = 0 [pid 5283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5283] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [ 93.582284][ T5283] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5283] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5283] exit_group(0) = ? [pid 5283] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5283, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./15/binderfs") = 0 [ 93.640117][ T29] audit: type=1800 audit(1727053882.344:17): pid=5283 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./15/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./15/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./15/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 93.708970][ T5220] ocfs2: Unmounting device (7,0) on (node local) getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./15/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./15") = 0 mkdir("./16", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5287 attached , child_tidptr=0x555566fee650) = 5287 [pid 5287] set_robust_list(0x555566fee660, 24) = 0 [pid 5287] chdir("./16") = 0 [pid 5287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5287] setpgid(0, 0) = 0 [pid 5287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5287] write(3, "1000", 4) = 4 [pid 5287] close(3) = 0 [pid 5287] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5287] write(1, "executing program\n", 18) = 18 [pid 5287] memfd_create("syzkaller", 0) = 3 [pid 5287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5287] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5287] munmap(0x7f41b0600000, 138412032) = 0 [pid 5287] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5287] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5287] close(3) = 0 [pid 5287] close(4) = 0 [pid 5287] mkdir("./file1", 0777) = 0 [ 94.227240][ T5287] loop0: detected capacity change from 0 to 32768 [pid 5287] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5287] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5287] chdir("./file1") = 0 [pid 5287] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 94.278316][ T5287] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5287] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5287] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5287] exit_group(0) = ? [pid 5287] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5287, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 94.326204][ T29] audit: type=1800 audit(1727053883.034:18): pid=5287 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./16/binderfs") = 0 umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./16/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./16/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 94.486777][ T5220] ocfs2: Unmounting device (7,0) on (node local) openat(AT_FDCWD, "./16/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./16/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./16") = 0 mkdir("./17", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5291 attached [pid 5291] set_robust_list(0x555566fee660, 24) = 0 [pid 5291] chdir("./17" [pid 5220] <... clone resumed>, child_tidptr=0x555566fee650) = 5291 [pid 5291] <... chdir resumed>) = 0 [pid 5291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5291] setpgid(0, 0) = 0 [pid 5291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5291] write(3, "1000", 4) = 4 [pid 5291] close(3) = 0 [pid 5291] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5291] write(1, "executing program\n", 18) = 18 [pid 5291] memfd_create("syzkaller", 0) = 3 [pid 5291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5291] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5291] munmap(0x7f41b0600000, 138412032) = 0 [pid 5291] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5291] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5291] close(3) = 0 [pid 5291] close(4) = 0 [pid 5291] mkdir("./file1", 0777) = 0 [ 95.029597][ T5291] loop0: detected capacity change from 0 to 32768 [pid 5291] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5291] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5291] chdir("./file1") = 0 [pid 5291] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5291] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5291] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5291] exit_group(0) = ? [pid 5291] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5291, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=16 /* 0.16 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./17/binderfs") = 0 [ 95.072880][ T5291] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 95.099079][ T29] audit: type=1800 audit(1727053883.804:19): pid=5291 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./17/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./17/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./17/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./17/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./17") = 0 mkdir("./18", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 95.160344][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5295 attached , child_tidptr=0x555566fee650) = 5295 [pid 5295] set_robust_list(0x555566fee660, 24) = 0 [pid 5295] chdir("./18") = 0 [pid 5295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5295] setpgid(0, 0) = 0 [pid 5295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5295] write(3, "1000", 4) = 4 [pid 5295] close(3) = 0 [pid 5295] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5295] write(1, "executing program\n", 18) = 18 [pid 5295] memfd_create("syzkaller", 0) = 3 [pid 5295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5295] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5295] munmap(0x7f41b0600000, 138412032) = 0 [pid 5295] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5295] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5295] close(3) = 0 [pid 5295] close(4) = 0 [pid 5295] mkdir("./file1", 0777) = 0 [ 95.568972][ T5295] loop0: detected capacity change from 0 to 32768 [pid 5295] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5295] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5295] chdir("./file1") = 0 [pid 5295] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5295] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5295] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5295] exit_group(0) = ? [pid 5295] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5295, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [ 95.628461][ T5295] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 95.645270][ T29] audit: type=1800 audit(1727053884.354:20): pid=5295 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./18/binderfs") = 0 umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./18/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./18/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./18/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./18/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./18") = 0 mkdir("./19", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 95.826047][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5299 attached , child_tidptr=0x555566fee650) = 5299 [pid 5299] set_robust_list(0x555566fee660, 24) = 0 [pid 5299] chdir("./19") = 0 [pid 5299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5299] setpgid(0, 0) = 0 [pid 5299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5299] write(3, "1000", 4) = 4 [pid 5299] close(3) = 0 [pid 5299] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5299] write(1, "executing program\n", 18) = 18 [pid 5299] memfd_create("syzkaller", 0) = 3 [pid 5299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5299] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5299] munmap(0x7f41b0600000, 138412032) = 0 [pid 5299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5299] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5299] close(3) = 0 [pid 5299] close(4) = 0 [pid 5299] mkdir("./file1", 0777) = 0 [ 96.190289][ T5299] loop0: detected capacity change from 0 to 32768 [pid 5299] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5299] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5299] chdir("./file1") = 0 [pid 5299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5299] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5299] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5299] exit_group(0) = ? [pid 5299] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5299, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [ 96.251195][ T5299] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 96.277439][ T29] audit: type=1800 audit(1727053884.984:21): pid=5299 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./19/binderfs") = 0 umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./19/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./19/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./19/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./19/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./19") = 0 mkdir("./20", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 96.418293][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5303 attached , child_tidptr=0x555566fee650) = 5303 [pid 5303] set_robust_list(0x555566fee660, 24) = 0 [pid 5303] chdir("./20") = 0 [pid 5303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5303] setpgid(0, 0) = 0 [pid 5303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5303] write(3, "1000", 4) = 4 [pid 5303] close(3) = 0 [pid 5303] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5303] write(1, "executing program\n", 18) = 18 [pid 5303] memfd_create("syzkaller", 0) = 3 [pid 5303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5303] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5303] munmap(0x7f41b0600000, 138412032) = 0 [pid 5303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5303] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5303] close(3) = 0 [pid 5303] close(4) = 0 [pid 5303] mkdir("./file1", 0777) = 0 [ 96.816656][ T5303] loop0: detected capacity change from 0 to 32768 [pid 5303] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5303] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5303] chdir("./file1") = 0 [pid 5303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 96.860795][ T5303] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5303] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5303] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5303] exit_group(0) = ? [pid 5303] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5303, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 [ 96.897243][ T29] audit: type=1800 audit(1727053885.604:22): pid=5303 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./20/binderfs") = 0 umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./20/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./20/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./20/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./20/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./20") = 0 mkdir("./21", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 97.036346][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5307 attached , child_tidptr=0x555566fee650) = 5307 [pid 5307] set_robust_list(0x555566fee660, 24) = 0 [pid 5307] chdir("./21") = 0 [pid 5307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5307] setpgid(0, 0) = 0 [pid 5307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5307] write(3, "1000", 4) = 4 [pid 5307] close(3) = 0 [pid 5307] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5307] write(1, "executing program\n", 18executing program ) = 18 [pid 5307] memfd_create("syzkaller", 0) = 3 [pid 5307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5307] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5307] munmap(0x7f41b0600000, 138412032) = 0 [pid 5307] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5307] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5307] close(3) = 0 [pid 5307] close(4) = 0 [pid 5307] mkdir("./file1", 0777) = 0 [ 97.403615][ T5307] loop0: detected capacity change from 0 to 32768 [pid 5307] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5307] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5307] chdir("./file1") = 0 [pid 5307] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5307] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5307] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5307] exit_group(0) = ? [pid 5307] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5307, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 97.451530][ T5307] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 97.472353][ T29] audit: type=1800 audit(1727053886.174:23): pid=5307 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./21/binderfs") = 0 umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./21/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./21/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 97.631637][ T5220] ocfs2: Unmounting device (7,0) on (node local) openat(AT_FDCWD, "./21/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./21/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./21") = 0 mkdir("./22", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5311 attached , child_tidptr=0x555566fee650) = 5311 [pid 5311] set_robust_list(0x555566fee660, 24) = 0 [pid 5311] chdir("./22") = 0 [pid 5311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5311] setpgid(0, 0) = 0 [pid 5311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5311] write(3, "1000", 4) = 4 [pid 5311] close(3) = 0 [pid 5311] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5311] write(1, "executing program\n", 18) = 18 [pid 5311] memfd_create("syzkaller", 0) = 3 [pid 5311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5311] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5311] munmap(0x7f41b0600000, 138412032) = 0 [pid 5311] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5311] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5311] close(3) = 0 [pid 5311] close(4) = 0 [pid 5311] mkdir("./file1", 0777) = 0 [ 98.206240][ T5311] loop0: detected capacity change from 0 to 32768 [pid 5311] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5311] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5311] chdir("./file1") = 0 [pid 5311] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5311] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5311] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5311] exit_group(0) = ? [pid 5311] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5311, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./22/binderfs") = 0 [ 98.258244][ T5311] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 98.285703][ T29] audit: type=1800 audit(1727053886.994:24): pid=5311 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./22/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./22/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./22/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./22/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./22/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./22/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./22") = 0 mkdir("./23", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 98.340498][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5315 attached , child_tidptr=0x555566fee650) = 5315 [pid 5315] set_robust_list(0x555566fee660, 24) = 0 [pid 5315] chdir("./23") = 0 [pid 5315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5315] setpgid(0, 0) = 0 [pid 5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5315] write(3, "1000", 4) = 4 [pid 5315] close(3) = 0 [pid 5315] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5315] write(1, "executing program\n", 18) = 18 [pid 5315] memfd_create("syzkaller", 0) = 3 [pid 5315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5315] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5315] munmap(0x7f41b0600000, 138412032) = 0 [pid 5315] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5315] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5315] close(3) = 0 [pid 5315] close(4) = 0 [pid 5315] mkdir("./file1", 0777) = 0 [ 98.703007][ T5315] loop0: detected capacity change from 0 to 32768 [pid 5315] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5315] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5315] chdir("./file1") = 0 [pid 5315] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 98.753022][ T5315] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5315] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5315] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5315] exit_group(0) = ? [ 98.809474][ T29] audit: type=1800 audit(1727053887.514:25): pid=5315 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 [pid 5315] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5315, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./23/binderfs") = 0 umount2("./23/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./23/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./23/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./23/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./23/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./23/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./23") = 0 mkdir("./24", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 98.960399][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5319 attached , child_tidptr=0x555566fee650) = 5319 [pid 5319] set_robust_list(0x555566fee660, 24) = 0 [pid 5319] chdir("./24") = 0 [pid 5319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5319] setpgid(0, 0) = 0 [pid 5319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5319] write(3, "1000", 4) = 4 [pid 5319] close(3) = 0 [pid 5319] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5319] write(1, "executing program\n", 18) = 18 [pid 5319] memfd_create("syzkaller", 0) = 3 [pid 5319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5319] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5319] munmap(0x7f41b0600000, 138412032) = 0 [pid 5319] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5319] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5319] close(3) = 0 [pid 5319] close(4) = 0 [pid 5319] mkdir("./file1", 0777) = 0 [ 99.348279][ T5319] loop0: detected capacity change from 0 to 32768 [pid 5319] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5319] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5319] chdir("./file1") = 0 [pid 5319] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5319] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5319] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5319] exit_group(0) = ? [pid 5319] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5319, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 99.402027][ T5319] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 99.418224][ T29] audit: type=1800 audit(1727053888.124:26): pid=5319 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./24/binderfs") = 0 umount2("./24/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./24/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./24/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./24/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./24/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./24/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./24") = 0 mkdir("./25", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 99.599013][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5323 attached , child_tidptr=0x555566fee650) = 5323 [pid 5323] set_robust_list(0x555566fee660, 24) = 0 [pid 5323] chdir("./25") = 0 [pid 5323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5323] setpgid(0, 0) = 0 [pid 5323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5323] write(3, "1000", 4) = 4 [pid 5323] close(3) = 0 [pid 5323] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5323] write(1, "executing program\n", 18) = 18 [pid 5323] memfd_create("syzkaller", 0) = 3 [pid 5323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5323] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5323] munmap(0x7f41b0600000, 138412032) = 0 [pid 5323] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5323] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5323] close(3) = 0 [pid 5323] close(4) = 0 [pid 5323] mkdir("./file1", 0777) = 0 [ 100.019144][ T5323] loop0: detected capacity change from 0 to 32768 [pid 5323] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5323] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5323] chdir("./file1") = 0 [pid 5323] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5323] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5323] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5323] exit_group(0) = ? [pid 5323] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5323, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=15 /* 0.15 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 100.073548][ T5323] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 100.089477][ T29] audit: type=1800 audit(1727053888.794:27): pid=5323 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./25/binderfs") = 0 umount2("./25/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./25/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./25/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./25/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./25/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./25/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./25") = 0 mkdir("./26", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 100.257768][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5327 attached , child_tidptr=0x555566fee650) = 5327 [pid 5327] set_robust_list(0x555566fee660, 24) = 0 [pid 5327] chdir("./26") = 0 [pid 5327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5327] setpgid(0, 0) = 0 [pid 5327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5327] write(3, "1000", 4) = 4 [pid 5327] close(3) = 0 [pid 5327] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5327] write(1, "executing program\n", 18) = 18 [pid 5327] memfd_create("syzkaller", 0) = 3 [pid 5327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5327] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5327] munmap(0x7f41b0600000, 138412032) = 0 [pid 5327] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5327] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5327] close(3) = 0 [pid 5327] close(4) = 0 [pid 5327] mkdir("./file1", 0777) = 0 [ 100.621790][ T5327] loop0: detected capacity change from 0 to 32768 [pid 5327] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5327] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5327] chdir("./file1") = 0 [pid 5327] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5327] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [ 100.670459][ T5327] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5327] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5327] exit_group(0) = ? [pid 5327] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5327, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 100.726830][ T29] audit: type=1800 audit(1727053889.434:28): pid=5327 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./26/binderfs") = 0 umount2("./26/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./26/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./26/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./26/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./26/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./26/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./26") = 0 mkdir("./27", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 100.866847][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5331 attached , child_tidptr=0x555566fee650) = 5331 [pid 5331] set_robust_list(0x555566fee660, 24) = 0 [pid 5331] chdir("./27") = 0 [pid 5331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5331] setpgid(0, 0) = 0 [pid 5331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5331] write(3, "1000", 4) = 4 [pid 5331] close(3) = 0 [pid 5331] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5331] write(1, "executing program\n", 18executing program ) = 18 [pid 5331] memfd_create("syzkaller", 0) = 3 [pid 5331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5331] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5331] munmap(0x7f41b0600000, 138412032) = 0 [pid 5331] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5331] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5331] close(3) = 0 [pid 5331] close(4) = 0 [pid 5331] mkdir("./file1", 0777) = 0 [ 101.186802][ T5331] loop0: detected capacity change from 0 to 32768 [pid 5331] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5331] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5331] chdir("./file1") = 0 [pid 5331] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5331] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5331] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5331] exit_group(0) = ? [pid 5331] +++ exited with 0 +++ [ 101.250585][ T5331] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 101.277070][ T29] audit: type=1800 audit(1727053889.984:29): pid=5331 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5331, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=16 /* 0.16 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./27/binderfs") = 0 umount2("./27/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./27/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./27/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./27/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./27/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./27/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./27") = 0 mkdir("./28", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 101.470750][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5335 attached , child_tidptr=0x555566fee650) = 5335 [pid 5335] set_robust_list(0x555566fee660, 24) = 0 [pid 5335] chdir("./28") = 0 [pid 5335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5335] setpgid(0, 0) = 0 [pid 5335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5335] write(3, "1000", 4) = 4 [pid 5335] close(3) = 0 [pid 5335] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5335] write(1, "executing program\n", 18) = 18 [pid 5335] memfd_create("syzkaller", 0) = 3 [pid 5335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5335] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5335] munmap(0x7f41b0600000, 138412032) = 0 [pid 5335] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5335] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5335] close(3) = 0 [pid 5335] close(4) = 0 [pid 5335] mkdir("./file1", 0777) = 0 [ 101.825429][ T5335] loop0: detected capacity change from 0 to 32768 [pid 5335] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5335] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5335] chdir("./file1") = 0 [pid 5335] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 101.883980][ T5335] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5335] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5335] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5335] exit_group(0) = ? [pid 5335] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5335, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=16 /* 0.16 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 101.938724][ T29] audit: type=1800 audit(1727053890.644:30): pid=5335 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./28/binderfs") = 0 umount2("./28/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./28/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./28/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./28/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 102.120011][ T5220] ocfs2: Unmounting device (7,0) on (node local) openat(AT_FDCWD, "./28/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./28/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./28") = 0 mkdir("./29", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5339 attached , child_tidptr=0x555566fee650) = 5339 [pid 5339] set_robust_list(0x555566fee660, 24) = 0 [pid 5339] chdir("./29") = 0 [pid 5339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5339] setpgid(0, 0) = 0 [pid 5339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5339] write(3, "1000", 4) = 4 [pid 5339] close(3) = 0 [pid 5339] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5339] write(1, "executing program\n", 18executing program ) = 18 [pid 5339] memfd_create("syzkaller", 0) = 3 [pid 5339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5339] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5339] munmap(0x7f41b0600000, 138412032) = 0 [pid 5339] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5339] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5339] close(3) = 0 [pid 5339] close(4) = 0 [pid 5339] mkdir("./file1", 0777) = 0 [ 102.660778][ T5339] loop0: detected capacity change from 0 to 32768 [pid 5339] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5339] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5339] chdir("./file1") = 0 [pid 5339] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5339] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5339] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5339] exit_group(0) = ? [pid 5339] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5339, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 102.703435][ T5339] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 102.718207][ T29] audit: type=1800 audit(1727053891.424:31): pid=5339 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./29/binderfs") = 0 umount2("./29/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./29/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./29/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./29/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./29/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 102.879576][ T5220] ocfs2: Unmounting device (7,0) on (node local) newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./29/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./29") = 0 mkdir("./30", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5345 attached , child_tidptr=0x555566fee650) = 5345 [pid 5345] set_robust_list(0x555566fee660, 24) = 0 [pid 5345] chdir("./30") = 0 [pid 5345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5345] setpgid(0, 0) = 0 [pid 5345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5345] write(3, "1000", 4) = 4 [pid 5345] close(3) = 0 [pid 5345] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5345] write(1, "executing program\n", 18) = 18 [pid 5345] memfd_create("syzkaller", 0) = 3 [pid 5345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5345] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5345] munmap(0x7f41b0600000, 138412032) = 0 [pid 5345] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5345] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5345] close(3) = 0 [pid 5345] close(4) = 0 [pid 5345] mkdir("./file1", 0777) = 0 [ 103.400124][ T5345] loop0: detected capacity change from 0 to 32768 [pid 5345] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5345] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5345] chdir("./file1") = 0 [pid 5345] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5345] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5345] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5345] exit_group(0) = ? [pid 5345] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5345, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./30/binderfs") = 0 [ 103.444778][ T5345] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 103.470422][ T29] audit: type=1800 audit(1727053892.174:32): pid=5345 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./30/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./30/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./30/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./30/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./30/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./30/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./30") = 0 mkdir("./31", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 103.525449][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5349 attached , child_tidptr=0x555566fee650) = 5349 [pid 5349] set_robust_list(0x555566fee660, 24) = 0 [pid 5349] chdir("./31") = 0 [pid 5349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5349] setpgid(0, 0) = 0 [pid 5349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5349] write(3, "1000", 4) = 4 [pid 5349] close(3) = 0 [pid 5349] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5349] write(1, "executing program\n", 18) = 18 [pid 5349] memfd_create("syzkaller", 0) = 3 [pid 5349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5349] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5349] munmap(0x7f41b0600000, 138412032) = 0 [pid 5349] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5349] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5349] close(3) = 0 [pid 5349] close(4) = 0 [pid 5349] mkdir("./file1", 0777) = 0 [ 103.948772][ T5349] loop0: detected capacity change from 0 to 32768 [pid 5349] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5349] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5349] chdir("./file1") = 0 [pid 5349] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5349] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [ 104.000442][ T5349] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5349] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5349] exit_group(0) = ? [pid 5349] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5349, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} --- [ 104.056394][ T29] audit: type=1800 audit(1727053892.764:33): pid=5349 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./31/binderfs") = 0 umount2("./31/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./31/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./31/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./31/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./31/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 104.229856][ T5220] ocfs2: Unmounting device (7,0) on (node local) newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./31/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./31") = 0 mkdir("./32", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5354 attached , child_tidptr=0x555566fee650) = 5354 [pid 5354] set_robust_list(0x555566fee660, 24) = 0 [pid 5354] chdir("./32") = 0 [pid 5354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5354] setpgid(0, 0) = 0 [pid 5354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5354] write(3, "1000", 4) = 4 [pid 5354] close(3) = 0 [pid 5354] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5354] write(1, "executing program\n", 18executing program ) = 18 [pid 5354] memfd_create("syzkaller", 0) = 3 [pid 5354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5354] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5354] munmap(0x7f41b0600000, 138412032) = 0 [pid 5354] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5354] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5354] close(3) = 0 [pid 5354] close(4) = 0 [pid 5354] mkdir("./file1", 0777) = 0 [ 104.745830][ T5354] loop0: detected capacity change from 0 to 32768 [pid 5354] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5354] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5354] chdir("./file1") = 0 [pid 5354] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5354] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5354] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5354] exit_group(0) = ? [pid 5354] +++ exited with 0 +++ [ 104.793946][ T5354] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 104.809838][ T29] audit: type=1800 audit(1727053893.514:34): pid=5354 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5354, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=18 /* 0.18 s */} --- umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./32/binderfs") = 0 umount2("./32/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./32/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./32/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./32/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./32/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./32/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./32") = 0 mkdir("./33", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 104.989426][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5360 attached , child_tidptr=0x555566fee650) = 5360 [pid 5360] set_robust_list(0x555566fee660, 24) = 0 [pid 5360] chdir("./33") = 0 [pid 5360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5360] setpgid(0, 0) = 0 [pid 5360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5360] write(3, "1000", 4) = 4 [pid 5360] close(3) = 0 [pid 5360] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5360] write(1, "executing program\n", 18) = 18 [pid 5360] memfd_create("syzkaller", 0) = 3 [pid 5360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5360] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5360] munmap(0x7f41b0600000, 138412032) = 0 [pid 5360] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5360] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5360] close(3) = 0 [pid 5360] close(4) = 0 [pid 5360] mkdir("./file1", 0777) = 0 [ 105.336906][ T5360] loop0: detected capacity change from 0 to 32768 [pid 5360] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5360] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5360] chdir("./file1") = 0 [pid 5360] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5360] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5360] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5360] exit_group(0) = ? [pid 5360] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5360, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=16 /* 0.16 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./33/binderfs") = 0 [ 105.380148][ T5360] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 105.397386][ T29] audit: type=1800 audit(1727053894.104:35): pid=5360 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./33/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./33/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./33/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./33/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./33/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 105.459240][ T5220] ocfs2: Unmounting device (7,0) on (node local) newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./33/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./33") = 0 mkdir("./34", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5364 attached , child_tidptr=0x555566fee650) = 5364 [pid 5364] set_robust_list(0x555566fee660, 24) = 0 [pid 5364] chdir("./34") = 0 [pid 5364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5364] setpgid(0, 0) = 0 [pid 5364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5364] write(3, "1000", 4) = 4 [pid 5364] close(3) = 0 [pid 5364] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5364] write(1, "executing program\n", 18executing program ) = 18 [pid 5364] memfd_create("syzkaller", 0) = 3 [pid 5364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5364] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5364] munmap(0x7f41b0600000, 138412032) = 0 [pid 5364] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5364] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5364] close(3) = 0 [pid 5364] close(4) = 0 [pid 5364] mkdir("./file1", 0777) = 0 [ 105.943449][ T5364] loop0: detected capacity change from 0 to 32768 [pid 5364] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5364] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5364] chdir("./file1") = 0 [pid 5364] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 106.002416][ T5364] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5364] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5364] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5364] exit_group(0) = ? [pid 5364] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5364, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./34/binderfs") = 0 [ 106.060197][ T29] audit: type=1800 audit(1727053894.764:36): pid=5364 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./34/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./34/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./34/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./34/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./34/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 106.129459][ T5220] ocfs2: Unmounting device (7,0) on (node local) newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./34/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./34") = 0 mkdir("./35", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5370 attached , child_tidptr=0x555566fee650) = 5370 [pid 5370] set_robust_list(0x555566fee660, 24) = 0 [pid 5370] chdir("./35") = 0 [pid 5370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5370] setpgid(0, 0) = 0 [pid 5370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5370] write(3, "1000", 4) = 4 [pid 5370] close(3) = 0 [pid 5370] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5370] write(1, "executing program\n", 18executing program ) = 18 [pid 5370] memfd_create("syzkaller", 0) = 3 [pid 5370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5370] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5370] munmap(0x7f41b0600000, 138412032) = 0 [pid 5370] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5370] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5370] close(3) = 0 [pid 5370] close(4) = 0 [pid 5370] mkdir("./file1", 0777) = 0 [ 106.659404][ T5370] loop0: detected capacity change from 0 to 32768 [pid 5370] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5370] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5370] chdir("./file1") = 0 [pid 5370] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 106.722426][ T5370] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5370] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5370] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5370] exit_group(0) = ? [pid 5370] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5370, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 106.774263][ T29] audit: type=1800 audit(1727053895.484:37): pid=5370 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./35/binderfs") = 0 umount2("./35/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./35/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./35/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./35/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./35/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./35/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./35") = 0 mkdir("./36", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 106.925705][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5374 attached , child_tidptr=0x555566fee650) = 5374 [pid 5374] set_robust_list(0x555566fee660, 24) = 0 [pid 5374] chdir("./36") = 0 [pid 5374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5374] setpgid(0, 0) = 0 [pid 5374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5374] write(3, "1000", 4) = 4 [pid 5374] close(3) = 0 [pid 5374] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5374] write(1, "executing program\n", 18) = 18 [pid 5374] memfd_create("syzkaller", 0) = 3 [pid 5374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5374] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5374] munmap(0x7f41b0600000, 138412032) = 0 [pid 5374] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5374] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5374] close(3) = 0 [pid 5374] close(4) = 0 [pid 5374] mkdir("./file1", 0777) = 0 [ 107.337385][ T5374] loop0: detected capacity change from 0 to 32768 [pid 5374] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5374] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5374] chdir("./file1") = 0 [pid 5374] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5374] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5374] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5374] exit_group(0) = ? [pid 5374] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5374, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 107.397770][ T5374] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 107.419931][ T29] audit: type=1800 audit(1727053896.124:38): pid=5374 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./36/binderfs") = 0 umount2("./36/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./36/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./36/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./36/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./36/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./36/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./36") = 0 mkdir("./37", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 107.576344][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5378 attached , child_tidptr=0x555566fee650) = 5378 [pid 5378] set_robust_list(0x555566fee660, 24) = 0 [pid 5378] chdir("./37") = 0 [pid 5378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5378] setpgid(0, 0) = 0 [pid 5378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5378] write(3, "1000", 4) = 4 [pid 5378] close(3) = 0 [pid 5378] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5378] write(1, "executing program\n", 18executing program ) = 18 [pid 5378] memfd_create("syzkaller", 0) = 3 [pid 5378] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5378] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5378] munmap(0x7f41b0600000, 138412032) = 0 [pid 5378] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5378] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5378] close(3) = 0 [pid 5378] close(4) = 0 [pid 5378] mkdir("./file1", 0777) = 0 [ 107.945534][ T5378] loop0: detected capacity change from 0 to 32768 [pid 5378] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5378] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5378] chdir("./file1") = 0 [pid 5378] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5378] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [ 107.991217][ T5378] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5378] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5378] exit_group(0) = ? [pid 5378] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5378, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 108.038027][ T29] audit: type=1800 audit(1727053896.744:39): pid=5378 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./37/binderfs") = 0 umount2("./37/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./37/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./37/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./37/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 108.215844][ T5220] ocfs2: Unmounting device (7,0) on (node local) openat(AT_FDCWD, "./37/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./37/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./37") = 0 mkdir("./38", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5382 attached , child_tidptr=0x555566fee650) = 5382 [pid 5382] set_robust_list(0x555566fee660, 24) = 0 [pid 5382] chdir("./38") = 0 [pid 5382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5382] setpgid(0, 0) = 0 [pid 5382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5382] write(3, "1000", 4) = 4 [pid 5382] close(3) = 0 [pid 5382] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5382] write(1, "executing program\n", 18executing program ) = 18 [pid 5382] memfd_create("syzkaller", 0) = 3 [pid 5382] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5382] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5382] munmap(0x7f41b0600000, 138412032) = 0 [pid 5382] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5382] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5382] close(3) = 0 [pid 5382] close(4) = 0 [pid 5382] mkdir("./file1", 0777) = 0 [pid 5382] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5382] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5382] chdir("./file1") = 0 [ 108.779586][ T5382] loop0: detected capacity change from 0 to 32768 [ 108.817777][ T5382] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5382] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5382] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5382] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5382] exit_group(0) = ? [pid 5382] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5382, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 108.864333][ T29] audit: type=1800 audit(1727053897.574:40): pid=5382 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./38/binderfs") = 0 umount2("./38/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./38/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./38/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./38/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./38/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./38/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./38") = 0 mkdir("./39", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 108.994950][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5386 attached , child_tidptr=0x555566fee650) = 5386 [pid 5386] set_robust_list(0x555566fee660, 24) = 0 [pid 5386] chdir("./39") = 0 [pid 5386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5386] setpgid(0, 0) = 0 [pid 5386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5386] write(3, "1000", 4) = 4 [pid 5386] close(3) = 0 [pid 5386] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5386] write(1, "executing program\n", 18executing program ) = 18 [pid 5386] memfd_create("syzkaller", 0) = 3 [pid 5386] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5386] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5386] munmap(0x7f41b0600000, 138412032) = 0 [pid 5386] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5386] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5386] close(3) = 0 [pid 5386] close(4) = 0 [pid 5386] mkdir("./file1", 0777) = 0 [ 109.383341][ T5386] loop0: detected capacity change from 0 to 32768 [pid 5386] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5386] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5386] chdir("./file1") = 0 [pid 5386] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 109.436103][ T5386] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5386] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5386] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5386] exit_group(0) = ? [pid 5386] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5386, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 109.491112][ T29] audit: type=1800 audit(1727053898.194:41): pid=5386 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./39/binderfs") = 0 umount2("./39/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./39/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./39/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./39/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 109.672765][ T5220] ocfs2: Unmounting device (7,0) on (node local) openat(AT_FDCWD, "./39/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./39/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./39") = 0 mkdir("./40", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5390 attached , child_tidptr=0x555566fee650) = 5390 [pid 5390] set_robust_list(0x555566fee660, 24) = 0 [pid 5390] chdir("./40") = 0 [pid 5390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5390] setpgid(0, 0) = 0 [pid 5390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5390] write(3, "1000", 4) = 4 [pid 5390] close(3) = 0 [pid 5390] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5390] write(1, "executing program\n", 18executing program ) = 18 [pid 5390] memfd_create("syzkaller", 0) = 3 [pid 5390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5390] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5390] munmap(0x7f41b0600000, 138412032) = 0 [pid 5390] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5390] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5390] close(3) = 0 [pid 5390] close(4) = 0 [pid 5390] mkdir("./file1", 0777) = 0 [ 110.175817][ T5390] loop0: detected capacity change from 0 to 32768 [pid 5390] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5390] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5390] chdir("./file1") = 0 [pid 5390] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 110.220296][ T5390] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5390] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5390] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5390] exit_group(0) = ? [pid 5390] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5390, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} --- [ 110.264148][ T29] audit: type=1800 audit(1727053898.974:42): pid=5390 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./40/binderfs") = 0 umount2("./40/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./40/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./40/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./40/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./40/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./40/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./40") = 0 mkdir("./41", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 110.442185][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5394 attached , child_tidptr=0x555566fee650) = 5394 [pid 5394] set_robust_list(0x555566fee660, 24) = 0 [pid 5394] chdir("./41") = 0 [pid 5394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5394] setpgid(0, 0) = 0 [pid 5394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5394] write(3, "1000", 4) = 4 [pid 5394] close(3) = 0 [pid 5394] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5394] write(1, "executing program\n", 18) = 18 [pid 5394] memfd_create("syzkaller", 0) = 3 [pid 5394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5394] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5394] munmap(0x7f41b0600000, 138412032) = 0 [pid 5394] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5394] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5394] close(3) = 0 [pid 5394] close(4) = 0 [pid 5394] mkdir("./file1", 0777) = 0 [ 110.840648][ T5394] loop0: detected capacity change from 0 to 32768 [pid 5394] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5394] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5394] chdir("./file1") = 0 [pid 5394] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5394] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5394] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5394] exit_group(0) = ? [pid 5394] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5394, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=16 /* 0.16 s */} --- [ 110.884869][ T5394] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 110.911251][ T29] audit: type=1800 audit(1727053899.614:43): pid=5394 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./41/binderfs") = 0 umount2("./41/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./41/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./41/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./41/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./41/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./41/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./41") = 0 mkdir("./42", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 111.086950][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5398 attached , child_tidptr=0x555566fee650) = 5398 [pid 5398] set_robust_list(0x555566fee660, 24) = 0 [pid 5398] chdir("./42") = 0 [pid 5398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5398] setpgid(0, 0) = 0 [pid 5398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5398] write(3, "1000", 4) = 4 [pid 5398] close(3) = 0 [pid 5398] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5398] write(1, "executing program\n", 18) = 18 [pid 5398] memfd_create("syzkaller", 0) = 3 [pid 5398] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5398] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5398] munmap(0x7f41b0600000, 138412032) = 0 [pid 5398] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5398] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5398] close(3) = 0 [pid 5398] close(4) = 0 [pid 5398] mkdir("./file1", 0777) = 0 [ 111.470328][ T5398] loop0: detected capacity change from 0 to 32768 [pid 5398] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5398] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5398] chdir("./file1") = 0 [pid 5398] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5398] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [ 111.521879][ T5398] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5398] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5398] exit_group(0) = ? [pid 5398] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5398, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=18 /* 0.18 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 111.578666][ T29] audit: type=1800 audit(1727053900.284:44): pid=5398 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./42/binderfs") = 0 umount2("./42/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./42/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./42/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./42/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./42/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./42/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./42") = 0 mkdir("./43", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 111.745255][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5402 attached , child_tidptr=0x555566fee650) = 5402 [pid 5402] set_robust_list(0x555566fee660, 24) = 0 [pid 5402] chdir("./43") = 0 [pid 5402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5402] setpgid(0, 0) = 0 [pid 5402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5402] write(3, "1000", 4) = 4 [pid 5402] close(3) = 0 [pid 5402] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5402] write(1, "executing program\n", 18) = 18 [pid 5402] memfd_create("syzkaller", 0) = 3 [pid 5402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5402] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5402] munmap(0x7f41b0600000, 138412032) = 0 [pid 5402] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5402] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5402] close(3) = 0 [pid 5402] close(4) = 0 [pid 5402] mkdir("./file1", 0777) = 0 [ 112.116170][ T5402] loop0: detected capacity change from 0 to 32768 [pid 5402] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5402] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5402] chdir("./file1") = 0 [pid 5402] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 112.163253][ T5402] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5402] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5402] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5402] exit_group(0) = ? [pid 5402] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5402, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 112.205628][ T29] audit: type=1800 audit(1727053900.914:45): pid=5402 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./43/binderfs") = 0 umount2("./43/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./43/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./43/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./43/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./43/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./43/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./43") = 0 mkdir("./44", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 112.362673][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5406 attached , child_tidptr=0x555566fee650) = 5406 [pid 5406] set_robust_list(0x555566fee660, 24) = 0 [pid 5406] chdir("./44") = 0 [pid 5406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5406] setpgid(0, 0) = 0 [pid 5406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5406] write(3, "1000", 4) = 4 [pid 5406] close(3) = 0 [pid 5406] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5406] write(1, "executing program\n", 18) = 18 [pid 5406] memfd_create("syzkaller", 0) = 3 [pid 5406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5406] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5406] munmap(0x7f41b0600000, 138412032) = 0 [pid 5406] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5406] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5406] close(3) = 0 [pid 5406] close(4) = 0 [pid 5406] mkdir("./file1", 0777) = 0 [ 112.747421][ T5406] loop0: detected capacity change from 0 to 32768 [pid 5406] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5406] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5406] chdir("./file1") = 0 [pid 5406] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5406] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5406] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5406] exit_group(0) = ? [pid 5406] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5406, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=17 /* 0.17 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./44/binderfs") = 0 [ 112.798227][ T5406] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 112.815038][ T29] audit: type=1800 audit(1727053901.524:46): pid=5406 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./44/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./44/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./44/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./44/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./44/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./44/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 [ 112.874786][ T5220] ocfs2: Unmounting device (7,0) on (node local) rmdir("./44") = 0 mkdir("./45", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5410 attached , child_tidptr=0x555566fee650) = 5410 [pid 5410] set_robust_list(0x555566fee660, 24) = 0 [pid 5410] chdir("./45") = 0 [pid 5410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5410] setpgid(0, 0) = 0 [pid 5410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5410] write(3, "1000", 4) = 4 [pid 5410] close(3) = 0 [pid 5410] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5410] write(1, "executing program\n", 18executing program ) = 18 [pid 5410] memfd_create("syzkaller", 0) = 3 [pid 5410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5410] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5410] munmap(0x7f41b0600000, 138412032) = 0 [pid 5410] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5410] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5410] close(3) = 0 [pid 5410] close(4) = 0 [pid 5410] mkdir("./file1", 0777) = 0 [ 113.298579][ T5410] loop0: detected capacity change from 0 to 32768 [pid 5410] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5410] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5410] chdir("./file1") = 0 [pid 5410] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 113.351835][ T5410] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5410] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5410] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5410] exit_group(0) = ? [ 113.407111][ T29] audit: type=1800 audit(1727053902.114:47): pid=5410 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 [pid 5410] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5410, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./45/binderfs") = 0 umount2("./45/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./45/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./45/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./45/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 113.607794][ T5220] ocfs2: Unmounting device (7,0) on (node local) openat(AT_FDCWD, "./45/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./45/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./45") = 0 mkdir("./46", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5414 attached , child_tidptr=0x555566fee650) = 5414 [pid 5414] set_robust_list(0x555566fee660, 24) = 0 [pid 5414] chdir("./46") = 0 [pid 5414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5414] setpgid(0, 0) = 0 [pid 5414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5414] write(3, "1000", 4) = 4 [pid 5414] close(3) = 0 [pid 5414] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5414] write(1, "executing program\n", 18executing program ) = 18 [pid 5414] memfd_create("syzkaller", 0) = 3 [pid 5414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5414] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5414] munmap(0x7f41b0600000, 138412032) = 0 [pid 5414] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5414] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5414] close(3) = 0 [pid 5414] close(4) = 0 [pid 5414] mkdir("./file1", 0777) = 0 [ 114.113856][ T5414] loop0: detected capacity change from 0 to 32768 [pid 5414] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5414] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5414] chdir("./file1") = 0 [pid 5414] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5414] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5414] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5414] exit_group(0) = ? [pid 5414] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5414, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=16 /* 0.16 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 114.162035][ T5414] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 114.183728][ T29] audit: type=1800 audit(1727053902.894:48): pid=5414 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./46/binderfs") = 0 umount2("./46/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./46/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./46/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./46/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./46/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./46/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./46") = 0 mkdir("./47", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 114.353972][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5418 attached , child_tidptr=0x555566fee650) = 5418 [pid 5418] set_robust_list(0x555566fee660, 24) = 0 [pid 5418] chdir("./47") = 0 [pid 5418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5418] setpgid(0, 0) = 0 [pid 5418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5418] write(3, "1000", 4) = 4 [pid 5418] close(3) = 0 [pid 5418] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5418] write(1, "executing program\n", 18) = 18 [pid 5418] memfd_create("syzkaller", 0) = 3 [pid 5418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5418] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5418] munmap(0x7f41b0600000, 138412032) = 0 [pid 5418] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5418] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5418] close(3) = 0 [pid 5418] close(4) = 0 [pid 5418] mkdir("./file1", 0777) = 0 [ 114.670837][ T5418] loop0: detected capacity change from 0 to 32768 [pid 5418] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5418] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5418] chdir("./file1") = 0 [pid 5418] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5418] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [ 114.721382][ T5418] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 114.777356][ T29] audit: type=1800 audit(1727053903.484:49): pid=5418 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 [ 114.780284][ T5418] [ 114.799984][ T5418] ====================================================== [ 114.807002][ T5418] WARNING: possible circular locking dependency detected [ 114.814023][ T5418] 6.11.0-syzkaller-08833-gde5cb0dcb74c #0 Not tainted [ 114.820787][ T5418] ------------------------------------------------------ [ 114.827803][ T5418] syz-executor408/5418 is trying to acquire lock: [ 114.834234][ T5418] ffff88802e56d5a8 (&osb->system_file_mutex){+.+.}-{3:3}, at: ocfs2_get_system_file_inode+0x18f/0x7b0 [ 114.845245][ T5418] [ 114.845245][ T5418] but task is already holding lock: [ 114.852639][ T5418] ffff888075d46a20 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_dio_wr_get_block+0x96f/0x18d0 [ 114.863718][ T5418] [ 114.863718][ T5418] which lock already depends on the new lock. [ 114.863718][ T5418] [ 114.874124][ T5418] [ 114.874124][ T5418] the existing dependency chain (in reverse order) is: [ 114.883154][ T5418] [ 114.883154][ T5418] -> #1 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}: [ 114.891966][ T5418] lock_acquire+0x1ed/0x550 [ 114.897013][ T5418] down_read+0xb1/0xa40 [ 114.901730][ T5418] ocfs2_read_virt_blocks+0x2ca/0xa50 [ 114.907755][ T5418] ocfs2_find_entry+0x43b/0x2780 [ 114.913222][ T5418] ocfs2_find_files_on_disk+0xff/0x360 [ 114.919211][ T5418] ocfs2_lookup_ino_from_name+0xb1/0x1e0 [ 114.925370][ T5418] ocfs2_get_system_file_inode+0x305/0x7b0 [ 114.931715][ T5418] ocfs2_init_global_system_inodes+0x32c/0x730 [ 114.938398][ T5418] ocfs2_fill_super+0x2f47/0x5750 [ 114.943979][ T5418] mount_bdev+0x20a/0x2d0 [ 114.948946][ T5418] legacy_get_tree+0xee/0x190 [ 114.954164][ T5418] vfs_get_tree+0x90/0x2b0 [ 114.959126][ T5418] do_new_mount+0x2be/0xb40 [ 114.964163][ T5418] __se_sys_mount+0x2d6/0x3c0 [ 114.969369][ T5418] do_syscall_64+0xf3/0x230 [ 114.974404][ T5418] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 114.980850][ T5418] [ 114.980850][ T5418] -> #0 (&osb->system_file_mutex){+.+.}-{3:3}: [ 114.989209][ T5418] validate_chain+0x18ef/0x5920 [ 114.994591][ T5418] __lock_acquire+0x1384/0x2050 [ 114.999974][ T5418] lock_acquire+0x1ed/0x550 [ 115.005008][ T5418] __mutex_lock+0x136/0xd70 [ 115.010039][ T5418] ocfs2_get_system_file_inode+0x18f/0x7b0 [ 115.016375][ T5418] ocfs2_reserve_local_alloc_bits+0x107/0x2870 [ 115.023078][ T5418] ocfs2_reserve_clusters_with_limit+0x1b8/0xb60 [ 115.029939][ T5418] ocfs2_lock_allocators+0x30a/0x630 [ 115.035748][ T5418] ocfs2_write_begin_nolock+0x26f2/0x4ec0 [ 115.042091][ T5418] ocfs2_dio_wr_get_block+0xc3b/0x18d0 [ 115.048089][ T5418] __blockdev_direct_IO+0x1c8e/0x4890 [ 115.053996][ T5418] ocfs2_direct_IO+0x255/0x2c0 [ 115.059321][ T5418] generic_file_direct_write+0x17a/0x390 [ 115.065568][ T5418] __generic_file_write_iter+0x126/0x230 [ 115.071745][ T5418] ocfs2_file_write_iter+0x17b1/0x1f50 [ 115.077758][ T5418] do_iter_readv_writev+0x600/0x880 [ 115.083521][ T5418] vfs_writev+0x376/0xba0 [ 115.088512][ T5418] do_writev+0x1b1/0x350 [ 115.093316][ T5418] do_syscall_64+0xf3/0x230 [ 115.098400][ T5418] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 115.104828][ T5418] [ 115.104828][ T5418] other info that might help us debug this: [ 115.104828][ T5418] [ 115.115061][ T5418] Possible unsafe locking scenario: [ 115.115061][ T5418] [ 115.122513][ T5418] CPU0 CPU1 [ 115.127879][ T5418] ---- ---- [ 115.133243][ T5418] lock(&ocfs2_file_ip_alloc_sem_key); [ 115.138820][ T5418] lock(&osb->system_file_mutex); [ 115.146489][ T5418] lock(&ocfs2_file_ip_alloc_sem_key); [ 115.154587][ T5418] lock(&osb->system_file_mutex); [ 115.159715][ T5418] [ 115.159715][ T5418] *** DEADLOCK *** [ 115.159715][ T5418] [ 115.167945][ T5418] 3 locks held by syz-executor408/5418: [ 115.173489][ T5418] #0: ffff888030688420 (sb_writers#9){.+.+}-{0:0}, at: vfs_writev+0x2d1/0xba0 [ 115.182495][ T5418] #1: ffff888075d46d80 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: ocfs2_file_write_iter+0x467/0x1f50 [ 115.193841][ T5418] #2: ffff888075d46a20 (&ocfs2_file_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_dio_wr_get_block+0x96f/0x18d0 [ 115.205352][ T5418] [ 115.205352][ T5418] stack backtrace: [ 115.211255][ T5418] CPU: 0 UID: 0 PID: 5418 Comm: syz-executor408 Not tainted 6.11.0-syzkaller-08833-gde5cb0dcb74c #0 [ 115.222032][ T5418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 115.232099][ T5418] Call Trace: [ 115.235490][ T5418] [ 115.238551][ T5418] dump_stack_lvl+0x241/0x360 [ 115.243426][ T5418] ? __pfx_dump_stack_lvl+0x10/0x10 [ 115.248638][ T5418] ? __pfx__printk+0x10/0x10 [ 115.253241][ T5418] print_circular_bug+0x13a/0x1b0 [ 115.258280][ T5418] check_noncircular+0x36a/0x4a0 [ 115.263232][ T5418] ? __pfx_check_noncircular+0x10/0x10 [ 115.268698][ T5418] ? lockdep_lock+0x123/0x2b0 [ 115.273391][ T5418] ? __lock_acquire+0x1384/0x2050 [ 115.278541][ T5418] validate_chain+0x18ef/0x5920 [ 115.283405][ T5418] ? __bfs+0x368/0x6f0 [ 115.287486][ T5418] ? __pfx_validate_chain+0x10/0x10 [ 115.292784][ T5418] ? validate_chain+0x11e/0x5920 [ 115.297746][ T5418] ? rcu_is_watching+0x15/0xb0 [ 115.302522][ T5418] ? lock_release+0xbf/0xa30 [ 115.307128][ T5418] ? __pfx_validate_chain+0x10/0x10 [ 115.312351][ T5418] ? deref_stack_reg+0x17c/0x210 [ 115.317304][ T5418] ? __pfx_lock_release+0x10/0x10 [ 115.322376][ T5418] ? mark_lock+0x9a/0x360 [ 115.326761][ T5418] ? deref_stack_reg+0x17c/0x210 [ 115.331757][ T5418] __lock_acquire+0x1384/0x2050 [ 115.336637][ T5418] lock_acquire+0x1ed/0x550 [ 115.341156][ T5418] ? ocfs2_get_system_file_inode+0x18f/0x7b0 [ 115.347154][ T5418] ? __pfx_lock_acquire+0x10/0x10 [ 115.352199][ T5418] ? __pfx___might_resched+0x10/0x10 [ 115.357530][ T5418] __mutex_lock+0x136/0xd70 [ 115.362047][ T5418] ? ocfs2_get_system_file_inode+0x18f/0x7b0 [ 115.368041][ T5418] ? __pfx_lock_acquire+0x10/0x10 [ 115.373080][ T5418] ? ocfs2_get_system_file_inode+0x141/0x7b0 [ 115.379115][ T5418] ? ocfs2_get_system_file_inode+0x18f/0x7b0 [ 115.385227][ T5418] ? __pfx_lock_release+0x10/0x10 [ 115.390313][ T5418] ? __pfx___mutex_lock+0x10/0x10 [ 115.395366][ T5418] ? do_raw_spin_unlock+0x13c/0x8b0 [ 115.400686][ T5418] ocfs2_get_system_file_inode+0x18f/0x7b0 [ 115.406514][ T5418] ? __pfx_ocfs2_get_system_file_inode+0x10/0x10 [ 115.412878][ T5418] ? __pfx_validate_chain+0x10/0x10 [ 115.418085][ T5418] ? kernel_text_address+0xa7/0xe0 [ 115.423207][ T5418] ? __kernel_text_address+0xd/0x40 [ 115.428463][ T5418] ? unwind_get_return_address+0x4d/0x90 [ 115.434118][ T5418] ? arch_stack_walk+0xfd/0x150 [ 115.438981][ T5418] ocfs2_reserve_local_alloc_bits+0x107/0x2870 [ 115.445243][ T5418] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 115.451243][ T5418] ? mark_lock+0x9a/0x360 [ 115.455578][ T5418] ? __lock_acquire+0x1384/0x2050 [ 115.460794][ T5418] ? __pfx_ocfs2_reserve_local_alloc_bits+0x10/0x10 [ 115.467429][ T5418] ? __pfx_lock_acquire+0x10/0x10 [ 115.472494][ T5418] ? ocfs2_alloc_should_use_local+0x155/0x320 [ 115.478577][ T5418] ? __pfx_lock_release+0x10/0x10 [ 115.483660][ T5418] ? do_raw_spin_lock+0x14f/0x370 [ 115.488696][ T5418] ? do_raw_spin_unlock+0x13c/0x8b0 [ 115.493905][ T5418] ? _raw_spin_unlock+0x28/0x50 [ 115.498763][ T5418] ? ocfs2_alloc_should_use_local+0x155/0x320 [ 115.504844][ T5418] ocfs2_reserve_clusters_with_limit+0x1b8/0xb60 [ 115.511184][ T5418] ? mark_lock+0x9a/0x360 [ 115.515526][ T5418] ? kasan_save_track+0x3f/0x80 [ 115.520385][ T5418] ? __pfx_ocfs2_reserve_clusters_with_limit+0x10/0x10 [ 115.527253][ T5418] ? rcu_is_watching+0x15/0xb0 [ 115.532078][ T5418] ? ocfs2_num_free_extents+0x3b8/0x6e0 [ 115.537639][ T5418] ? __pfx_ocfs2_num_free_extents+0x10/0x10 [ 115.543563][ T5418] ocfs2_lock_allocators+0x30a/0x630 [ 115.548856][ T5418] ? __pfx_ocfs2_lock_allocators+0x10/0x10 [ 115.554666][ T5418] ? ocfs2_write_begin_nolock+0x114c/0x4ec0 [ 115.560599][ T5418] ? rcu_is_watching+0x15/0xb0 [ 115.565503][ T5418] ? ocfs2_write_begin_nolock+0x114c/0x4ec0 [ 115.571415][ T5418] ? kfree+0x4e/0x440 [ 115.575498][ T5418] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 115.581074][ T5418] ocfs2_write_begin_nolock+0x26f2/0x4ec0 [ 115.586829][ T5418] ? __pfx_ocfs2_write_begin_nolock+0x10/0x10 [ 115.592913][ T5418] ? __pfx_lock_acquire+0x10/0x10 [ 115.597951][ T5418] ? mark_lock+0x9a/0x360 [ 115.602285][ T5418] ? __lock_acquire+0x1384/0x2050 [ 115.607326][ T5418] ? __pfx_ocfs2_journal_access_di+0x10/0x10 [ 115.613315][ T5418] ? __pfx_lock_acquire+0x10/0x10 [ 115.618355][ T5418] ? __pfx___might_resched+0x10/0x10 [ 115.623659][ T5418] ? down_write+0x18c/0x220 [ 115.628197][ T5418] ? __pfx_down_write+0x10/0x10 [ 115.633059][ T5418] ? ocfs2_dio_wr_get_block+0x47a/0x18d0 [ 115.638712][ T5418] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 115.644268][ T5418] ocfs2_dio_wr_get_block+0xc3b/0x18d0 [ 115.649754][ T5418] ? __pfx_ocfs2_dio_wr_get_block+0x10/0x10 [ 115.655668][ T5418] ? pin_user_pages_fast+0xcc/0x160 [ 115.660888][ T5418] ? __pfx_pin_user_pages_fast+0x10/0x10 [ 115.666533][ T5418] ? iov_iter_advance+0x8f/0x1e0 [ 115.671483][ T5418] ? iov_iter_extract_pages+0x3f1/0x5c0 [ 115.677130][ T5418] ? __pfx_ocfs2_dio_wr_get_block+0x10/0x10 [ 115.683037][ T5418] __blockdev_direct_IO+0x1c8e/0x4890 [ 115.688450][ T5418] ? __pfx___blockdev_direct_IO+0x10/0x10 [ 115.694179][ T5418] ? __pfx_ocfs2_dio_wr_get_block+0x10/0x10 [ 115.700091][ T5418] ? __pfx_filemap_invalidate_pages+0x10/0x10 [ 115.706185][ T5418] ? current_time+0x1be/0x2b0 [ 115.710994][ T5418] ? __pfx_ocfs2_dio_wr_get_block+0x10/0x10 [ 115.716945][ T5418] ocfs2_direct_IO+0x255/0x2c0 [ 115.721744][ T5418] generic_file_direct_write+0x17a/0x390 [ 115.727421][ T5418] __generic_file_write_iter+0x126/0x230 [ 115.733061][ T5418] ? ocfs2_file_write_iter+0x1790/0x1f50 [ 115.738706][ T5418] ocfs2_file_write_iter+0x17b1/0x1f50 [ 115.744183][ T5418] ? __pfx_ocfs2_file_write_iter+0x10/0x10 [ 115.750001][ T5418] ? mark_lock+0x9a/0x360 [ 115.754376][ T5418] ? __lock_acquire+0x1384/0x2050 [ 115.759514][ T5418] do_iter_readv_writev+0x600/0x880 [ 115.764742][ T5418] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 115.770469][ T5418] ? rcu_read_lock_any_held+0xb7/0x160 [ 115.775939][ T5418] vfs_writev+0x376/0xba0 [ 115.780303][ T5418] ? __pfx_vfs_writev+0x10/0x10 [ 115.785161][ T5418] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 115.791505][ T5418] ? _raw_spin_unlock_irq+0x23/0x50 [ 115.796715][ T5418] ? lockdep_hardirqs_on+0x99/0x150 [ 115.801925][ T5418] ? __fdget_pos+0x265/0x320 [ 115.806532][ T5418] do_writev+0x1b1/0x350 [ 115.810780][ T5418] ? __pfx_do_writev+0x10/0x10 [ 115.815550][ T5418] ? exc_page_fault+0x590/0x8c0 [ 115.820483][ T5418] do_syscall_64+0xf3/0x230 [ 115.825002][ T5418] ? clear_bhb_loop+0x35/0x90 [ 115.829712][ T5418] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 115.835655][ T5418] RIP: 0033:0x7f41b8a8e169 [ 115.840092][ T5418] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 115.859723][ T5418] RSP: 002b:00007ffc31ab4528 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 115.868149][ T5418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f41b8a8e169 [pid 5418] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5418] exit_group(0) = ? [pid 5418] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5418, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 115.876127][ T5418] RDX: 0000000000000001 RSI: 0000000020000140 RDI: 0000000000000004 [ 115.884104][ T5418] RBP: 00000000ffffffff R08: 00000000000008c0 R09: 00000000000008c0 [ 115.892079][ T5418] R10: 0000000000004424 R11: 0000000000000246 R12: 00007ffc31ab4570 [ 115.900060][ T5418] R13: 00007ffc31ab45b0 R14: 0000000001000000 R15: 0000000000000003 [ 115.908154][ T5418] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./47/binderfs") = 0 umount2("./47/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./47/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./47/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./47/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./47/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./47/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./47") = 0 mkdir("./48", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 116.051655][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566fee650) = 5422 ./strace-static-x86_64: Process 5422 attached [pid 5422] set_robust_list(0x555566fee660, 24) = 0 [pid 5422] chdir("./48") = 0 [pid 5422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5422] setpgid(0, 0) = 0 [pid 5422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5422] write(3, "1000", 4) = 4 [pid 5422] close(3) = 0 [pid 5422] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5422] write(1, "executing program\n", 18) = 18 [pid 5422] memfd_create("syzkaller", 0) = 3 [pid 5422] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5422] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5422] munmap(0x7f41b0600000, 138412032) = 0 [pid 5422] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5422] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5422] close(3) = 0 [pid 5422] close(4) = 0 [pid 5422] mkdir("./file1", 0777) = 0 [pid 5422] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5422] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5422] chdir("./file1") = 0 [pid 5422] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5422] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [ 116.366416][ T5422] loop0: detected capacity change from 0 to 32768 [ 116.396396][ T5422] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5422] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5422] exit_group(0) = ? [pid 5422] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5422, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=10 /* 0.10 s */} --- umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 116.439970][ T29] audit: type=1800 audit(1727053905.144:50): pid=5422 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./48/binderfs") = 0 umount2("./48/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./48/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./48/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./48/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./48/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./48/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./48") = 0 mkdir("./49", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 116.531052][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5426 attached [pid 5426] set_robust_list(0x555566fee660, 24 [pid 5220] <... clone resumed>, child_tidptr=0x555566fee650) = 5426 [pid 5426] <... set_robust_list resumed>) = 0 [pid 5426] chdir("./49") = 0 [pid 5426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5426] setpgid(0, 0) = 0 [pid 5426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5426] write(3, "1000", 4) = 4 [pid 5426] close(3) = 0 [pid 5426] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5426] write(1, "executing program\n", 18executing program ) = 18 [pid 5426] memfd_create("syzkaller", 0) = 3 [pid 5426] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5426] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5426] munmap(0x7f41b0600000, 138412032) = 0 [pid 5426] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5426] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5426] close(3) = 0 [pid 5426] close(4) = 0 [pid 5426] mkdir("./file1", 0777) = 0 [pid 5426] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5426] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5426] chdir("./file1") = 0 [pid 5426] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 116.834973][ T5426] loop0: detected capacity change from 0 to 32768 [ 116.874695][ T5426] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5426] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5426] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5426] exit_group(0) = ? [pid 5426] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5426, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 116.918003][ T29] audit: type=1800 audit(1727053905.624:51): pid=5426 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./49/binderfs") = 0 umount2("./49/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./49/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./49/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./49/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./49/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./49/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./49") = 0 mkdir("./50", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 117.078365][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5430 attached , child_tidptr=0x555566fee650) = 5430 [pid 5430] set_robust_list(0x555566fee660, 24) = 0 [pid 5430] chdir("./50") = 0 [pid 5430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5430] setpgid(0, 0) = 0 [pid 5430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5430] write(3, "1000", 4) = 4 [pid 5430] close(3) = 0 [pid 5430] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5430] write(1, "executing program\n", 18executing program ) = 18 [pid 5430] memfd_create("syzkaller", 0) = 3 [pid 5430] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5430] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5430] munmap(0x7f41b0600000, 138412032) = 0 [pid 5430] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5430] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5430] close(3) = 0 [pid 5430] close(4) = 0 [pid 5430] mkdir("./file1", 0777) = 0 [ 117.383669][ T5430] loop0: detected capacity change from 0 to 32768 [pid 5430] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5430] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5430] chdir("./file1") = 0 [pid 5430] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5430] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [ 117.424971][ T5430] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5430] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5430] exit_group(0) = ? [pid 5430] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5430, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 117.468456][ T29] audit: type=1800 audit(1727053906.174:52): pid=5430 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./50/binderfs") = 0 umount2("./50/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./50/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./50/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./50/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./50/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 [ 117.633480][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(4) = 0 rmdir("./50/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./50") = 0 mkdir("./51", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5434 attached , child_tidptr=0x555566fee650) = 5434 [pid 5434] set_robust_list(0x555566fee660, 24) = 0 [pid 5434] chdir("./51") = 0 [pid 5434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5434] setpgid(0, 0) = 0 [pid 5434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5434] write(3, "1000", 4) = 4 [pid 5434] close(3) = 0 [pid 5434] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5434] write(1, "executing program\n", 18) = 18 [pid 5434] memfd_create("syzkaller", 0) = 3 [pid 5434] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5434] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5434] munmap(0x7f41b0600000, 138412032) = 0 [pid 5434] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5434] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5434] close(3) = 0 [pid 5434] close(4) = 0 [pid 5434] mkdir("./file1", 0777) = 0 [ 117.965485][ T5434] loop0: detected capacity change from 0 to 32768 [pid 5434] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5434] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5434] chdir("./file1") = 0 [pid 5434] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5434] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [ 118.021488][ T5434] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5434] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5434] exit_group(0) = ? [pid 5434] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5434, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 118.065337][ T29] audit: type=1800 audit(1727053906.774:53): pid=5434 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./51/binderfs") = 0 umount2("./51/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./51/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./51/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./51/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./51/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 118.229548][ T5220] ocfs2: Unmounting device (7,0) on (node local) newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./51/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./51") = 0 mkdir("./52", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5438 attached [pid 5438] set_robust_list(0x555566fee660, 24 [pid 5220] <... clone resumed>, child_tidptr=0x555566fee650) = 5438 [pid 5438] <... set_robust_list resumed>) = 0 [pid 5438] chdir("./52") = 0 [pid 5438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5438] setpgid(0, 0) = 0 [pid 5438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5438] write(3, "1000", 4) = 4 [pid 5438] close(3) = 0 [pid 5438] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5438] write(1, "executing program\n", 18executing program ) = 18 [pid 5438] memfd_create("syzkaller", 0) = 3 [pid 5438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5438] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5438] munmap(0x7f41b0600000, 138412032) = 0 [pid 5438] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5438] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5438] close(3) = 0 [pid 5438] close(4) = 0 [pid 5438] mkdir("./file1", 0777) = 0 [ 118.681110][ T5438] loop0: detected capacity change from 0 to 32768 [pid 5438] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5438] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5438] chdir("./file1") = 0 [pid 5438] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5438] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5438] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5438] exit_group(0) = ? [pid 5438] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5438, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 118.731596][ T5438] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 118.746629][ T29] audit: type=1800 audit(1727053907.454:54): pid=5438 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./52/binderfs") = 0 umount2("./52/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./52/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./52/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./52/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./52/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./52/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./52") = 0 mkdir("./53", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 118.886680][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566fee650) = 5442 ./strace-static-x86_64: Process 5442 attached [pid 5442] set_robust_list(0x555566fee660, 24) = 0 [pid 5442] chdir("./53") = 0 [pid 5442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5442] setpgid(0, 0) = 0 [pid 5442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5442] write(3, "1000", 4) = 4 [pid 5442] close(3) = 0 [pid 5442] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5442] write(1, "executing program\n", 18) = 18 [pid 5442] memfd_create("syzkaller", 0) = 3 [pid 5442] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5442] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5442] munmap(0x7f41b0600000, 138412032) = 0 [pid 5442] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5442] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5442] close(3) = 0 [pid 5442] close(4) = 0 [pid 5442] mkdir("./file1", 0777) = 0 [pid 5442] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5442] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5442] chdir("./file1") = 0 [pid 5442] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 119.154875][ T5442] loop0: detected capacity change from 0 to 32768 [ 119.193870][ T5442] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5442] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5442] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5442] exit_group(0) = ? [pid 5442] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5442, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [ 119.208836][ T29] audit: type=1800 audit(1727053907.914:55): pid=5442 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./53/binderfs") = 0 umount2("./53/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./53/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./53/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./53/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./53/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./53/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./53") = 0 mkdir("./54", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 119.381713][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5446 attached [pid 5446] set_robust_list(0x555566fee660, 24 [pid 5220] <... clone resumed>, child_tidptr=0x555566fee650) = 5446 [pid 5446] <... set_robust_list resumed>) = 0 [pid 5446] chdir("./54") = 0 [pid 5446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5446] setpgid(0, 0) = 0 [pid 5446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5446] write(3, "1000", 4) = 4 [pid 5446] close(3) = 0 [pid 5446] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5446] write(1, "executing program\n", 18) = 18 [pid 5446] memfd_create("syzkaller", 0) = 3 [pid 5446] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5446] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5446] munmap(0x7f41b0600000, 138412032) = 0 [pid 5446] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5446] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5446] close(3) = 0 [pid 5446] close(4) = 0 [pid 5446] mkdir("./file1", 0777) = 0 [ 119.614991][ T5446] loop0: detected capacity change from 0 to 32768 [pid 5446] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5446] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5446] chdir("./file1") = 0 [pid 5446] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5446] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5446] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5446] exit_group(0) = ? [pid 5446] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5446, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 119.671810][ T5446] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 119.686229][ T29] audit: type=1800 audit(1727053908.394:56): pid=5446 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./54/binderfs") = 0 umount2("./54/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./54/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./54/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./54/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./54/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./54/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./54") = 0 mkdir("./55", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 119.849424][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5450 attached [pid 5450] set_robust_list(0x555566fee660, 24 [pid 5220] <... clone resumed>, child_tidptr=0x555566fee650) = 5450 [pid 5450] <... set_robust_list resumed>) = 0 [pid 5450] chdir("./55") = 0 [pid 5450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5450] setpgid(0, 0) = 0 [pid 5450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5450] write(3, "1000", 4) = 4 [pid 5450] close(3) = 0 [pid 5450] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5450] write(1, "executing program\n", 18) = 18 [pid 5450] memfd_create("syzkaller", 0) = 3 [pid 5450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5450] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5450] munmap(0x7f41b0600000, 138412032) = 0 [pid 5450] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5450] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5450] close(3) = 0 [pid 5450] close(4) = 0 [pid 5450] mkdir("./file1", 0777) = 0 [ 120.136381][ T5450] loop0: detected capacity change from 0 to 32768 [pid 5450] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5450] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5450] chdir("./file1") = 0 [pid 5450] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 120.176604][ T5450] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5450] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5450] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5450] exit_group(0) = ? [pid 5450] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5450, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 120.219790][ T29] audit: type=1800 audit(1727053908.924:57): pid=5450 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./55/binderfs") = 0 umount2("./55/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./55/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./55/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./55/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./55/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./55/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./55") = 0 mkdir("./56", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 120.399593][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5454 attached , child_tidptr=0x555566fee650) = 5454 [pid 5454] set_robust_list(0x555566fee660, 24) = 0 [pid 5454] chdir("./56") = 0 [pid 5454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5454] setpgid(0, 0) = 0 [pid 5454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5454] write(3, "1000", 4) = 4 [pid 5454] close(3) = 0 [pid 5454] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5454] write(1, "executing program\n", 18executing program ) = 18 [pid 5454] memfd_create("syzkaller", 0) = 3 [pid 5454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5454] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5454] munmap(0x7f41b0600000, 138412032) = 0 [pid 5454] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5454] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5454] close(3) = 0 [pid 5454] close(4) = 0 [pid 5454] mkdir("./file1", 0777) = 0 [ 120.707879][ T5454] loop0: detected capacity change from 0 to 32768 [pid 5454] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5454] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5454] chdir("./file1") = 0 [pid 5454] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5454] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [ 120.763409][ T5454] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5454] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5454] exit_group(0) = ? [pid 5454] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5454, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 120.817493][ T29] audit: type=1800 audit(1727053909.524:58): pid=5454 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./56/binderfs") = 0 umount2("./56/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./56/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./56/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./56/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./56/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./56/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./56") = 0 mkdir("./57", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 120.929968][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5458 attached [pid 5458] set_robust_list(0x555566fee660, 24 [pid 5220] <... clone resumed>, child_tidptr=0x555566fee650) = 5458 [pid 5458] <... set_robust_list resumed>) = 0 [pid 5458] chdir("./57") = 0 [pid 5458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5458] setpgid(0, 0) = 0 [pid 5458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5458] write(3, "1000", 4) = 4 [pid 5458] close(3) = 0 [pid 5458] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5458] write(1, "executing program\n", 18executing program ) = 18 [pid 5458] memfd_create("syzkaller", 0) = 3 [pid 5458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5458] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5458] munmap(0x7f41b0600000, 138412032) = 0 [pid 5458] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5458] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5458] close(3) = 0 [pid 5458] close(4) = 0 [pid 5458] mkdir("./file1", 0777) = 0 [ 121.200079][ T5458] loop0: detected capacity change from 0 to 32768 [pid 5458] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5458] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5458] chdir("./file1") = 0 [pid 5458] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5458] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5458] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5458] exit_group(0) = ? [pid 5458] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5458, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 121.242639][ T5458] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 121.267346][ T29] audit: type=1800 audit(1727053909.974:59): pid=5458 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./57/binderfs") = 0 umount2("./57/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./57/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./57/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./57/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./57/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 121.418574][ T5220] ocfs2: Unmounting device (7,0) on (node local) newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./57/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./57") = 0 mkdir("./58", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5462 attached , child_tidptr=0x555566fee650) = 5462 [pid 5462] set_robust_list(0x555566fee660, 24) = 0 [pid 5462] chdir("./58") = 0 [pid 5462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5462] setpgid(0, 0) = 0 [pid 5462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5462] write(3, "1000", 4) = 4 [pid 5462] close(3) = 0 [pid 5462] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5462] write(1, "executing program\n", 18) = 18 [pid 5462] memfd_create("syzkaller", 0) = 3 [pid 5462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5462] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5462] munmap(0x7f41b0600000, 138412032) = 0 [pid 5462] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5462] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5462] close(3) = 0 [pid 5462] close(4) = 0 [pid 5462] mkdir("./file1", 0777) = 0 [pid 5462] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5462] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5462] chdir("./file1") = 0 [pid 5462] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 121.898575][ T5462] loop0: detected capacity change from 0 to 32768 [ 121.932470][ T5462] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5462] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5462] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5462] exit_group(0) = ? [pid 5462] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5462, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [ 121.955969][ T29] audit: type=1800 audit(1727053910.664:60): pid=5462 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./58/binderfs") = 0 umount2("./58/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./58/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./58/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./58/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./58/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./58/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./58") = 0 mkdir("./59", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 122.117201][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5466 attached , child_tidptr=0x555566fee650) = 5466 [pid 5466] set_robust_list(0x555566fee660, 24) = 0 [pid 5466] chdir("./59") = 0 [pid 5466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5466] setpgid(0, 0) = 0 [pid 5466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5466] write(3, "1000", 4) = 4 [pid 5466] close(3) = 0 [pid 5466] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5466] write(1, "executing program\n", 18executing program ) = 18 [pid 5466] memfd_create("syzkaller", 0) = 3 [pid 5466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5466] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5466] munmap(0x7f41b0600000, 138412032) = 0 [pid 5466] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5466] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5466] close(3) = 0 [pid 5466] close(4) = 0 [pid 5466] mkdir("./file1", 0777) = 0 [pid 5466] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5466] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5466] chdir("./file1") = 0 [pid 5466] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 122.405565][ T5466] loop0: detected capacity change from 0 to 32768 [ 122.441630][ T5466] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5466] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5466] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5466] exit_group(0) = ? [pid 5466] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5466, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [ 122.456192][ T29] audit: type=1800 audit(1727053911.164:61): pid=5466 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./59/binderfs") = 0 umount2("./59/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./59/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./59/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./59/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./59/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./59/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./59") = 0 mkdir("./60", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 122.645708][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5470 attached [pid 5470] set_robust_list(0x555566fee660, 24 [pid 5220] <... clone resumed>, child_tidptr=0x555566fee650) = 5470 [pid 5470] <... set_robust_list resumed>) = 0 [pid 5470] chdir("./60") = 0 [pid 5470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5470] setpgid(0, 0) = 0 [pid 5470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5470] write(3, "1000", 4) = 4 [pid 5470] close(3) = 0 [pid 5470] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5470] write(1, "executing program\n", 18executing program ) = 18 [pid 5470] memfd_create("syzkaller", 0) = 3 [pid 5470] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5470] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5470] munmap(0x7f41b0600000, 138412032) = 0 [pid 5470] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5470] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5470] close(3) = 0 [pid 5470] close(4) = 0 [pid 5470] mkdir("./file1", 0777) = 0 [pid 5470] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5470] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5470] chdir("./file1") = 0 [pid 5470] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 122.911148][ T5470] loop0: detected capacity change from 0 to 32768 [ 122.945945][ T5470] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5470] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5470] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5470] exit_group(0) = ? [pid 5470] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5470, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 122.969988][ T29] audit: type=1800 audit(1727053911.674:62): pid=5470 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./60/binderfs") = 0 umount2("./60/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./60/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./60/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./60/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./60/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./60/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 [ 123.140454][ T5220] ocfs2: Unmounting device (7,0) on (node local) rmdir("./60") = 0 mkdir("./61", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5474 attached [pid 5474] set_robust_list(0x555566fee660, 24 [pid 5220] <... clone resumed>, child_tidptr=0x555566fee650) = 5474 [pid 5474] <... set_robust_list resumed>) = 0 [pid 5474] chdir("./61") = 0 [pid 5474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5474] setpgid(0, 0) = 0 [pid 5474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5474] write(3, "1000", 4) = 4 [pid 5474] close(3) = 0 [pid 5474] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5474] write(1, "executing program\n", 18executing program ) = 18 [pid 5474] memfd_create("syzkaller", 0) = 3 [pid 5474] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5474] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5474] munmap(0x7f41b0600000, 138412032) = 0 [pid 5474] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5474] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5474] close(3) = 0 [pid 5474] close(4) = 0 [pid 5474] mkdir("./file1", 0777) = 0 [ 123.541120][ T5474] loop0: detected capacity change from 0 to 32768 [pid 5474] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5474] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5474] chdir("./file1") = 0 [pid 5474] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 123.583559][ T5474] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5474] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5474] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5474] exit_group(0) = ? [pid 5474] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5474, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./61/binderfs") = 0 [ 123.636518][ T29] audit: type=1800 audit(1727053912.344:63): pid=5474 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 umount2("./61/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./61/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./61/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./61/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./61/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./61/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./61") = 0 mkdir("./62", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 123.688145][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5478 attached , child_tidptr=0x555566fee650) = 5478 [pid 5478] set_robust_list(0x555566fee660, 24) = 0 [pid 5478] chdir("./62") = 0 [pid 5478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5478] setpgid(0, 0) = 0 [pid 5478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5478] write(3, "1000", 4) = 4 [pid 5478] close(3) = 0 [pid 5478] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5478] write(1, "executing program\n", 18executing program ) = 18 [pid 5478] memfd_create("syzkaller", 0) = 3 [pid 5478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5478] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5478] munmap(0x7f41b0600000, 138412032) = 0 [pid 5478] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5478] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5478] close(3) = 0 [pid 5478] close(4) = 0 [pid 5478] mkdir("./file1", 0777) = 0 [ 123.962337][ T5478] loop0: detected capacity change from 0 to 32768 [pid 5478] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5478] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5478] chdir("./file1") = 0 [pid 5478] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5478] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [ 124.011149][ T5478] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5478] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5478] exit_group(0) = ? [pid 5478] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5478, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [ 124.056249][ T29] audit: type=1800 audit(1727053912.764:64): pid=5478 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./62/binderfs") = 0 umount2("./62/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./62/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./62/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./62/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./62/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./62/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./62") = 0 mkdir("./63", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 124.139746][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5482 attached , child_tidptr=0x555566fee650) = 5482 [pid 5482] set_robust_list(0x555566fee660, 24) = 0 [pid 5482] chdir("./63") = 0 [pid 5482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5482] setpgid(0, 0) = 0 [pid 5482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5482] write(3, "1000", 4) = 4 [pid 5482] close(3) = 0 [pid 5482] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5482] write(1, "executing program\n", 18executing program ) = 18 [pid 5482] memfd_create("syzkaller", 0) = 3 [pid 5482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41b0600000 [pid 5482] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5482] munmap(0x7f41b0600000, 138412032) = 0 [pid 5482] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5482] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5482] close(3) = 0 [pid 5482] close(4) = 0 [pid 5482] mkdir("./file1", 0777) = 0 [ 124.416624][ T5482] loop0: detected capacity change from 0 to 32768 [pid 5482] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0 [pid 5482] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5482] chdir("./file1") = 0 [pid 5482] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 124.472131][ T5482] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5482] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0733) = 4 [pid 5482] writev(4, [{iov_base="\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=398336}], 1) = 398336 [pid 5482] exit_group(0) = ? [pid 5482] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5482, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=10 /* 0.10 s */} --- [ 124.526362][ T29] audit: type=1800 audit(1727053913.234:65): pid=5482 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor408" name="file1" dev="loop0" ino=17058 res=0 errno=0 restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555566fef6f0 /* 4 entries */, 32768) = 112 umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./63/binderfs") = 0 umount2("./63/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./63/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./63/file1", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./63/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./63/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x555566ff7730 /* 2 entries */, 32768) = 48 getdents64(4, 0x555566ff7730 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./63/file1") = 0 getdents64(3, 0x555566fef6f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./63") = 0 mkdir("./64", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 124.679438][ T5220] ocfs2: Unmounting device (7,0) on (node local) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5486 attached [pid 5486] set_robust_list(0x555566fee660, 24 [pid 5220] <... clone resumed>, child_tidptr=0x555566fee650) = 5486 [pid 5486] <... set_robust_list resumed>) = 0 [pid 5486] chdir("./64") = 0 [pid 5486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5486] setpgid(0, 0) = 0 [pid 5486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5486] write(3, "1000", 4) = 4 [pid 5486] close(3) = 0