./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3314016431 <...> Warning: Permanently added '10.128.1.199' (ED25519) to the list of known hosts. execve("./syz-executor3314016431", ["./syz-executor3314016431"], 0x7ffded09e0b0 /* 10 vars */) = 0 brk(NULL) = 0x555555f80000 brk(0x555555f80d00) = 0x555555f80d00 arch_prctl(ARCH_SET_FS, 0x555555f80380) = 0 set_tid_address(0x555555f80650) = 289 set_robust_list(0x555555f80660, 24) = 0 rseq(0x555555f80ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3314016431", 4096) = 28 getrandom("\xa7\xd0\x80\x09\x7e\x45\x63\x87", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555f80d00 brk(0x555555fa1d00) = 0x555555fa1d00 brk(0x555555fa2000) = 0x555555fa2000 mprotect(0x7f60cbb75000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f80650) = 290 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f80650) = 291 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f80650) = 292 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f80650) = 293 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f80650) = 294 ./strace-static-x86_64: Process 294 attached [pid 294] set_robust_list(0x555555f80660, 24) = 0 [pid 294] mkdir("./syzkaller.WyWdoI", 0700) = 0 [pid 294] chmod("./syzkaller.WyWdoI", 0777) = 0 [pid 294] chdir("./syzkaller.WyWdoI") = 0 [pid 294] mkdir("./0", 0777) = 0 [pid 294] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 294] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 294] close(3) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f80650) = 295 ./strace-static-x86_64: Process 295 attached [pid 295] set_robust_list(0x555555f80660, 24) = 0 [pid 295] chdir("./0") = 0 [pid 295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 295] setpgid(0, 0) = 0 [pid 295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 295] write(3, "1000", 4) = 4 [pid 295] close(3) = 0 [pid 295] symlink("/dev/binderfs", "./binderfs") = 0 [pid 295] write(1, "executing program\n", 18executing program ) = 18 [pid 295] memfd_create("syzkaller", 0) = 3 [pid 295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f60c36c2000 [pid 295] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144./strace-static-x86_64: Process 290 attached ./strace-static-x86_64: Process 291 attached ./strace-static-x86_64: Process 292 attached ./strace-static-x86_64: Process 293 attached [pid 292] set_robust_list(0x555555f80660, 24 [pid 291] set_robust_list(0x555555f80660, 24 [pid 290] set_robust_list(0x555555f80660, 24 [pid 295] <... write resumed>) = 262144 [pid 295] munmap(0x7f60c36c2000, 138412032) = 0 [pid 295] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 295] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 295] close(3) = 0 [pid 295] close(4) = 0 [pid 295] mkdir("./file0", 0777) = 0 [ 24.148907][ T24] audit: type=1400 audit(1721597750.130:66): avc: denied { execmem } for pid=289 comm="syz-executor331" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 295] mount("/dev/loop4", "./file0", "ext3", MS_MGC_VAL|MS_NOSUID|MS_NODEV|MS_NOEXEC, "jqfmt=vfsold,data_err=abort,debug,noload,mblk_io_submit,commit=0x0000000000000005,init_itable=0x0000"... [pid 293] set_robust_list(0x555555f80660, 24 [pid 292] <... set_robust_list resumed>) = 0 [pid 291] <... set_robust_list resumed>) = 0 [pid 290] <... set_robust_list resumed>) = 0 [ 24.182434][ T24] audit: type=1400 audit(1721597750.150:67): avc: denied { read write } for pid=294 comm="syz-executor331" name="loop4" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 24.192551][ T295] EXT4-fs (loop4): Ignoring removed mblk_io_submit option [pid 293] <... set_robust_list resumed>) = 0 [pid 292] mkdir("./syzkaller.WrAAnE", 0700 [pid 291] mkdir("./syzkaller.0CBYCC", 0700 [pid 290] mkdir("./syzkaller.iOL5pZ", 0700 [pid 293] mkdir("./syzkaller.j5jLO6", 0700) = 0 [pid 293] chmod("./syzkaller.j5jLO6", 0777) = 0 [pid 293] chdir("./syzkaller.j5jLO6") = 0 [pid 293] mkdir("./0", 0777) = 0 [pid 293] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 293] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 293] close(3) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f80650) = 299 [pid 292] <... mkdir resumed>) = 0 [pid 292] chmod("./syzkaller.WrAAnE", 0777) = 0 [pid 292] chdir("./syzkaller.WrAAnE") = 0 [pid 292] mkdir("./0", 0777) = 0 [pid 292] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 292] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 292] close(3) = 0 [pid 292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f80650) = 300 [pid 291] <... mkdir resumed>) = 0 [pid 291] chmod("./syzkaller.0CBYCC", 0777) = 0 [pid 291] chdir("./syzkaller.0CBYCC") = 0 [pid 291] mkdir("./0", 0777) = 0 [pid 291] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 291] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 291] close(3) = 0 [pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f80650) = 301 [pid 290] <... mkdir resumed>) = 0 [pid 290] chmod("./syzkaller.iOL5pZ", 0777) = 0 [pid 290] chdir("./syzkaller.iOL5pZ") = 0 [pid 290] mkdir("./0", 0777) = 0 [pid 290] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 290] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 290] close(3) = 0 [pid 290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555f80650) = 302 [ 24.217901][ T24] audit: type=1400 audit(1721597750.150:68): avc: denied { open } for pid=294 comm="syz-executor331" path="/dev/loop4" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 24.228875][ T295] EXT4-fs (loop4): mounting ext3 file system using the ext4 subsystem [ 24.256736][ T24] audit: type=1400 audit(1721597750.150:69): avc: denied { ioctl } for pid=294 comm="syz-executor331" path="/dev/loop4" dev="devtmpfs" ino=115 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 ./strace-static-x86_64: Process 302 attached ./strace-static-x86_64: Process 301 attached ./strace-static-x86_64: Process 300 attached ./strace-static-x86_64: Process 299 attached [pid 302] set_robust_list(0x555555f80660, 24 [pid 301] set_robust_list(0x555555f80660, 24 [pid 300] set_robust_list(0x555555f80660, 24 [pid 299] set_robust_list(0x555555f80660, 24 [pid 302] <... set_robust_list resumed>) = 0 [pid 301] <... set_robust_list resumed>) = 0 [pid 300] <... set_robust_list resumed>) = 0 [pid 299] <... set_robust_list resumed>) = 0 [pid 299] chdir("./0" [pid 302] chdir("./0" [pid 301] chdir("./0" [pid 300] chdir("./0" [pid 301] <... chdir resumed>) = 0 [pid 302] <... chdir resumed>) = 0 [pid 299] <... chdir resumed>) = 0 [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 300] <... chdir resumed>) = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 302] <... prctl resumed>) = 0 [pid 301] <... prctl resumed>) = 0 [pid 300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... prctl resumed>) = 0 [pid 302] setpgid(0, 0 [pid 301] setpgid(0, 0 [pid 300] <... prctl resumed>) = 0 [pid 299] setpgid(0, 0 [pid 302] <... setpgid resumed>) = 0 [pid 301] <... setpgid resumed>) = 0 [pid 300] setpgid(0, 0 [pid 299] <... setpgid resumed>) = 0 [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 300] <... setpgid resumed>) = 0 [pid 299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 302] <... openat resumed>) = 3 [pid 301] <... openat resumed>) = 3 [pid 300] <... openat resumed>) = 3 [pid 301] write(3, "1000", 4 [pid 299] <... openat resumed>) = 3 [pid 302] write(3, "1000", 4 [pid 300] write(3, "1000", 4 [pid 301] <... write resumed>) = 4 [pid 299] write(3, "1000", 4 [pid 302] <... write resumed>) = 4 [pid 301] close(3 [pid 300] <... write resumed>) = 4 [pid 299] <... write resumed>) = 4 [pid 302] close(3 [pid 301] <... close resumed>) = 0 [pid 299] close(3 [pid 302] <... close resumed>) = 0 [pid 301] symlink("/dev/binderfs", "./binderfs" [pid 302] symlink("/dev/binderfs", "./binderfs" [pid 300] close(3 [pid 299] <... close resumed>) = 0 [pid 302] <... symlink resumed>) = 0 [pid 301] <... symlink resumed>) = 0 [pid 300] <... close resumed>) = 0 [pid 299] symlink("/dev/binderfs", "./binderfs" [pid 302] write(1, "executing program\n", 18 [pid 301] write(1, "executing program\n", 18executing program executing program [pid 300] symlink("/dev/binderfs", "./binderfs" [pid 299] <... symlink resumed>) = 0 [pid 301] <... write resumed>) = 18 [pid 300] <... symlink resumed>) = 0 [pid 302] <... write resumed>) = 18 [pid 301] memfd_create("syzkaller", 0 [pid 300] write(1, "executing program\n", 18 [pid 299] write(1, "executing program\n", 18executing program executing program [pid 302] memfd_create("syzkaller", 0 [pid 300] <... write resumed>) = 18 [pid 299] <... write resumed>) = 18 [pid 301] <... memfd_create resumed>) = 3 [pid 299] memfd_create("syzkaller", 0 [pid 301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 300] memfd_create("syzkaller", 0 [pid 302] <... memfd_create resumed>) = 3 [pid 301] <... mmap resumed>) = 0x7f60c36c2000 [pid 299] <... memfd_create resumed>) = 3 [pid 300] <... memfd_create resumed>) = 3 [pid 302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 301] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 302] <... mmap resumed>) = 0x7f60c36c2000 [pid 300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 299] <... mmap resumed>) = 0x7f60c36c2000 [pid 302] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 299] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 300] <... mmap resumed>) = 0x7f60c36c2000 [pid 302] <... write resumed>) = 262144 [ 24.290286][ T295] [EXT4 FS bs=1024, gc=1, bpg=8192, ipg=32, mo=b016c118, mo2=0002] [ 24.306318][ T295] System zones: 1-12 [pid 302] munmap(0x7f60c36c2000, 138412032 [pid 301] <... write resumed>) = 262144 [pid 300] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 299] <... write resumed>) = 262144 [pid 301] munmap(0x7f60c36c2000, 138412032) = 0 [pid 301] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 301] ioctl(4, LOOP_SET_FD, 3 [pid 302] <... munmap resumed>) = 0 [pid 301] <... ioctl resumed>) = 0 [pid 300] <... write resumed>) = 262144 [pid 299] munmap(0x7f60c36c2000, 138412032 [pid 302] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 301] close(3 [pid 300] munmap(0x7f60c36c2000, 138412032 [pid 299] <... munmap resumed>) = 0 [pid 300] <... munmap resumed>) = 0 [pid 301] <... close resumed>) = 0 [pid 302] <... openat resumed>) = 4 [pid 301] close(4) = 0 [ 24.336186][ T295] EXT4-fs error (device loop4): ext4_xattr_ibody_find:2204: inode #15: comm syz-executor331: corrupted in-inode xattr [ 24.341655][ T24] audit: type=1400 audit(1721597750.170:70): avc: denied { mounton } for pid=295 comm="syz-executor331" path="/root/syzkaller.WyWdoI/0/file0" dev="sda1" ino=1930 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 24.354205][ T295] EXT4-fs error (device loop4): ext4_orphan_get:1396: comm syz-executor331: couldn't read orphan inode 15 (err -117) [pid 300] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 302] ioctl(4, LOOP_SET_FD, 3 [pid 301] mkdir("./file0", 0777 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 301] <... mkdir resumed>) = 0 [pid 300] <... openat resumed>) = 4 [pid 300] ioctl(4, LOOP_SET_FD, 3 [pid 301] mount("/dev/loop1", "./file0", "ext3", MS_MGC_VAL|MS_NOSUID|MS_NODEV|MS_NOEXEC, "jqfmt=vfsold,data_err=abort,debug,noload,mblk_io_submit,commit=0x0000000000000005,init_itable=0x0000"... [pid 302] <... ioctl resumed>) = 0 [pid 299] <... openat resumed>) = 4 [pid 299] ioctl(4, LOOP_SET_FD, 3 [pid 302] close(3) = 0 [pid 302] close(4 [pid 295] <... mount resumed>) = 0 [pid 295] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 295] chdir("./file0") = 0 [pid 295] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 300] <... ioctl resumed>) = 0 [pid 300] close(3) = 0 [pid 300] close(4 [pid 299] <... ioctl resumed>) = 0 [pid 299] close(3) = 0 [ 24.399521][ T295] EXT4-fs (loop4): mounted filesystem without journal. Opts: jqfmt=vfsold,data_err=abort,debug,noload,mblk_io_submit,commit=0x0000000000000005,init_itable=0x0000000000000601,grpquota,,errors=continue [pid 299] close(4 [pid 302] <... close resumed>) = 0 [pid 302] mkdir("./file0", 0777) = 0 [ 24.430391][ T24] audit: type=1400 audit(1721597750.410:71): avc: denied { mount } for pid=295 comm="syz-executor331" name="/" dev="loop4" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 24.475331][ T301] EXT4-fs (loop1): Ignoring removed mblk_io_submit option [ 24.484853][ T301] EXT4-fs (loop1): mounting ext3 file system using the ext4 subsystem [pid 302] mount("/dev/loop0", "./file0", "ext3", MS_MGC_VAL|MS_NOSUID|MS_NODEV|MS_NOEXEC, "jqfmt=vfsold,data_err=abort,debug,noload,mblk_io_submit,commit=0x0000000000000005,init_itable=0x0000"... [pid 295] <... openat resumed>) = 4 [ 24.496054][ T301] [EXT4 FS bs=1024, gc=1, bpg=8192, ipg=32, mo=b016c118, mo2=0002] [ 24.508780][ T301] System zones: 1-12 [ 24.514075][ T301] EXT4-fs error (device loop1): ext4_xattr_ibody_find:2204: inode #15: comm syz-executor331: corrupted in-inode xattr [pid 295] ioctl(4, LOOP_CLR_FD [pid 300] <... close resumed>) = 0 [pid 300] mkdir("./file0", 0777) = 0 [pid 300] mount("/dev/loop2", "./file0", "ext3", MS_MGC_VAL|MS_NOSUID|MS_NODEV|MS_NOEXEC, "jqfmt=vfsold,data_err=abort,debug,noload,mblk_io_submit,commit=0x0000000000000005,init_itable=0x0000"... [pid 301] <... mount resumed>) = 0 [pid 301] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 301] chdir("./file0") = 0 [ 24.534025][ T301] EXT4-fs error (device loop1): ext4_orphan_get:1396: comm syz-executor331: couldn't read orphan inode 15 (err -117) [ 24.552745][ T301] EXT4-fs (loop1): mounted filesystem without journal. Opts: jqfmt=vfsold,data_err=abort,debug,noload,mblk_io_submit,commit=0x0000000000000005,init_itable=0x0000000000000601,grpquota,,errors=continue [pid 301] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 299] <... close resumed>) = 0 [pid 295] <... ioctl resumed>) = 0 [pid 299] mkdir("./file0", 0777) = 0 [pid 299] mount("/dev/loop3", "./file0", "ext3", MS_MGC_VAL|MS_NOSUID|MS_NODEV|MS_NOEXEC, "jqfmt=vfsold,data_err=abort,debug,noload,mblk_io_submit,commit=0x0000000000000005,init_itable=0x0000"... [pid 295] close(4 [pid 301] <... openat resumed>) = 4 [ 24.603556][ T302] EXT4-fs (loop0): Ignoring removed mblk_io_submit option [ 24.612410][ T302] EXT4-fs (loop0): mounting ext3 file system using the ext4 subsystem [ 24.628326][ T302] [EXT4 FS bs=1024, gc=1, bpg=8192, ipg=32, mo=b016c118, mo2=0002] [ 24.640652][ T299] EXT4-fs (loop3): Ignoring removed mblk_io_submit option [ 24.647395][ T302] System zones: 1-12 [pid 295] <... close resumed>) = 0 [pid 301] ioctl(4, LOOP_CLR_FD [pid 295] creat("./bus", 000 [pid 301] <... ioctl resumed>) = 0 [pid 295] <... creat resumed>) = 4 [pid 301] close(4 [pid 295] mount("/dev/loop4", "./bus", NULL, MS_NODEV|MS_SYNCHRONOUS|MS_BIND, NULL [pid 301] <... close resumed>) = 0 [pid 301] creat("./bus", 000) = 4 [pid 301] mount("/dev/loop1", "./bus", NULL, MS_NODEV|MS_SYNCHRONOUS|MS_BIND, NULL) = 0 [pid 301] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 301] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 295] <... mount resumed>) = 0 [pid 295] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 301] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 295] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 301] rename("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 295] <... link resumed>) = 0 [ 24.649711][ T24] audit: type=1400 audit(1721597750.640:72): avc: denied { write } for pid=295 comm="syz-executor331" name="/" dev="loop4" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 24.654749][ T302] EXT4-fs error (device loop0): ext4_xattr_ibody_find:2204: inode #15: comm syz-executor331: corrupted in-inode xattr [pid 295] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 295] rename("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 301] <... rename resumed>) = 0 [pid 301] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_CLOEXEC) = 5 [pid 295] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_CLOEXEC) = 5 [pid 301] mmap(0x20000000, 8388608, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0x1000 [pid 295] mmap(0x20000000, 8388608, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0x1000) = 0x20000000 [pid 301] <... mmap resumed>) = 0x20000000 [pid 302] <... mount resumed>) = 0 [pid 301] sendmsg(-1, 0x200001c0, 0) = -1 EBADF (Bad file descriptor) [pid 301] exit_group(0 [pid 295] sendmsg(-1, 0x200001c0, 0 [pid 301] <... exit_group resumed>) = ? [pid 301] +++ exited with 0 +++ [pid 295] <... sendmsg resumed>) = -1 EBADF (Bad file descriptor) [pid 295] exit_group(0) = ? [pid 295] +++ exited with 0 +++ [ 24.697554][ T302] EXT4-fs error (device loop0): ext4_orphan_get:1396: comm syz-executor331: couldn't read orphan inode 15 (err -117) [ 24.713706][ T302] EXT4-fs (loop0): mounted filesystem without journal. Opts: jqfmt=vfsold,data_err=abort,debug,noload,mblk_io_submit,commit=0x0000000000000005,init_itable=0x0000000000000601,grpquota,,errors=continue [ 24.714169][ T300] EXT4-fs (loop2): Ignoring removed mblk_io_submit option [pid 302] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 291] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- [pid 302] <... openat resumed>) = 3 [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=11} --- [pid 302] chdir("./file0" [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 302] <... chdir resumed>) = 0 [pid 302] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 302] ioctl(4, LOOP_CLR_FD) = 0 [pid 302] close(4) = 0 [pid 302] creat("./bus", 000) = 4 [pid 302] mount("/dev/loop0", "./bus", NULL, MS_NODEV|MS_SYNCHRONOUS|MS_BIND, NULL) = 0 [pid 302] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 302] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 302] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 302] rename("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 302] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_CLOEXEC) = 5 [pid 302] mmap(0x20000000, 8388608, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0x1000) = 0x20000000 [pid 302] sendmsg(-1, 0x200001c0, 0) = -1 EBADF (Bad file descriptor) [pid 302] exit_group(0) = ? [pid 302] +++ exited with 0 +++ [pid 290] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- [pid 290] restart_syscall(<... resuming interrupted clone ...> [pid 294] <... restart_syscall resumed>) = 0 [pid 290] <... restart_syscall resumed>) = 0 [pid 291] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 294] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 290] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 291] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 290] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 291] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... openat resumed>) = 3 [pid 290] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] newfstatat(3, "", [pid 291] <... openat resumed>) = 3 [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 291] newfstatat(3, "", [pid 290] <... openat resumed>) = 3 [pid 294] getdents64(3, [pid 291] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 290] newfstatat(3, "", [pid 294] <... getdents64 resumed>0x555555f816f0 /* 4 entries */, 32768) = 112 [pid 291] getdents64(3, [pid 290] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 291] <... getdents64 resumed>0x555555f816f0 /* 4 entries */, 32768) = 112 [pid 290] getdents64(3, [pid 294] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 291] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 290] <... getdents64 resumed>0x555555f816f0 /* 4 entries */, 32768) = 112 [pid 294] newfstatat(AT_FDCWD, "./0/binderfs", [pid 291] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 291] newfstatat(AT_FDCWD, "./0/binderfs", [pid 290] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 294] unlink("./0/binderfs" [pid 291] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 290] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 294] <... unlink resumed>) = 0 [pid 290] newfstatat(AT_FDCWD, "./0/binderfs", [pid 291] unlink("./0/binderfs" [pid 294] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 290] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 291] <... unlink resumed>) = 0 [pid 290] unlink("./0/binderfs" [pid 294] <... umount2 resumed>) = -1 EBUSY (Device or resource busy) [pid 290] <... unlink resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "./0/file0", [pid 291] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 290] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=3072, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 291] <... umount2 resumed>) = -1 EBUSY (Device or resource busy) [pid 290] <... umount2 resumed>) = -1 EBUSY (Device or resource busy) [pid 294] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 291] newfstatat(AT_FDCWD, "./0/file0", [pid 290] newfstatat(AT_FDCWD, "./0/file0", [pid 294] <... umount2 resumed>) = -1 EBUSY (Device or resource busy) [pid 291] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=3072, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 290] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=3072, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] <... openat resumed>) = 4 [pid 291] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 294] newfstatat(4, "", [pid 290] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 291] <... umount2 resumed>) = -1 EBUSY (Device or resource busy) [pid 294] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=3072, ...}, AT_EMPTY_PATH) = 0 [pid 291] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 290] <... umount2 resumed>) = -1 EBUSY (Device or resource busy) [pid 294] getdents64(4, [pid 291] <... openat resumed>) = 4 [pid 290] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 294] <... getdents64 resumed>0x555555f89730 /* 1 entries */, 32768) = 176 [pid 291] newfstatat(4, "", [pid 290] <... openat resumed>) = 4 [pid 294] umount2("\x2e\x2f\x30\x2f\x66\x69\x6c\x65\x30\x2f\xf7\x6c\x70\xb6\x3b\xa7\x71\x1b\x28\x03\x02\x02\x2e\x2e", MNT_FORCE|UMOUNT_NOFOLLOW [pid 291] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=3072, ...}, AT_EMPTY_PATH) = 0 [pid 290] newfstatat(4, "", [pid 294] <... umount2 resumed>) = -1 ENOENT (No such file or directory) [ 24.738866][ T299] EXT4-fs (loop3): mounting ext3 file system using the ext4 subsystem [ 24.766344][ T299] [EXT4 FS bs=1024, gc=1, bpg=8192, ipg=32, mo=b016c118, mo2=0002] [ 24.782608][ T291] ================================================================== [ 24.786739][ T299] System zones: [ 24.794561][ T291] BUG: KASAN: use-after-free in ext4_htree_fill_tree+0x1316/0x13e0 [ 24.794574][ T291] Read of size 1 at addr ffff8881087b0a67 by task syz-executor331/291 [ 24.794577][ T291] [ 24.794592][ T291] CPU: 0 PID: 291 Comm: syz-executor331 Not tainted 5.10.221-syzkaller-01371-g1240968f7644 #0 [ 24.794598][ T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 24.794608][ T291] Call Trace: [ 24.794625][ T291] dump_stack_lvl+0x1e2/0x24b [ 24.794638][ T291] ? bfq_pos_tree_add_move+0x43b/0x43b [ 24.794652][ T291] ? panic+0x812/0x812 [ 24.794668][ T291] print_address_description+0x81/0x3b0 [ 24.794680][ T291] ? ext4_htree_store_dirent+0x19c/0x590 [ 24.794692][ T291] kasan_report+0x179/0x1c0 [ 24.794706][ T291] ? ext4_htree_fill_tree+0x1316/0x13e0 [ 24.794718][ T291] ? ext4_htree_fill_tree+0x1316/0x13e0 [ 24.794732][ T291] __asan_report_load1_noabort+0x14/0x20 [ 24.794744][ T291] ext4_htree_fill_tree+0x1316/0x13e0 [ 24.794761][ T291] ? ext4_handle_dirty_dirblock+0x6e0/0x6e0 [ 24.794776][ T291] ? __kasan_kmalloc+0x9/0x10 [ 24.794787][ T291] ? ext4_readdir+0x4df/0x37c0 [ 24.794798][ T291] ext4_readdir+0x2dde/0x37c0 [ 24.794823][ T291] ? _raw_spin_unlock_irq+0x4e/0x70 [ 24.794836][ T291] ? switch_mm_irqs_off+0x71b/0x9a0 [ 24.794849][ T291] ? __switch_to_asm+0x34/0x60 [ 24.794861][ T291] ? ext4_dir_llseek+0x4c0/0x4c0 [ 24.794872][ T291] ? __schedule+0xbee/0x1330 [ 24.794886][ T291] ? __kasan_check_write+0x14/0x20 [ 24.794897][ T291] ? down_read_killable+0x101/0x220 [ 24.794910][ T291] ? down_read_interruptible+0x220/0x220 [ 24.794925][ T291] ? security_file_permission+0x86/0xb0 [ 24.794947][ T291] iterate_dir+0x265/0x580 [ 24.798481][ T299] 1-12 [ 24.810360][ T291] ? ext4_dir_llseek+0x4c0/0x4c0 [ 24.810375][ T291] __se_sys_getdents64+0x1c1/0x460 [ 24.810389][ T291] ? __x64_sys_getdents64+0x90/0x90 [ 24.810411][ T291] ? filldir+0x680/0x680 [ 24.820626][ T299] [ 24.823040][ T291] ? debug_smp_processor_id+0x17/0x20 [ 24.823055][ T291] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 24.823084][ T291] ? irqentry_exit_to_user_mode+0x41/0x80 [ 24.841691][ T299] EXT4-fs error (device loop3): ext4_xattr_ibody_find:2204: inode #15: comm syz-executor331: corrupted in-inode xattr [ 24.846831][ T291] __x64_sys_getdents64+0x7b/0x90 [ 24.846844][ T291] do_syscall_64+0x34/0x70 [ 24.846859][ T291] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 24.846868][ T291] RIP: 0033:0x7f60cbb293b3 [ 24.846881][ T291] Code: c1 66 0f 1f 44 00 00 48 83 c4 08 48 89 ef 5b 5d e9 42 47 fb ff 66 90 b8 ff ff ff 7f 48 39 c2 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 [ 24.846888][ T291] RSP: 002b:00007ffd3286c8a8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 [ 24.846904][ T291] RAX: ffffffffffffffda RBX: 0000555555f89730 RCX: 00007f60cbb293b3 [ 24.846911][ T291] RDX: 0000000000008000 RSI: 0000555555f89730 RDI: 0000000000000004 [ 24.846930][ T291] RBP: 0000555555f89704 R08: 0000000000000000 R09: 0000000000000000 [ 24.865507][ T299] EXT4-fs error (device loop3): ext4_orphan_get:1396: comm syz-executor331: couldn't read orphan inode 15 (err -117) [ 24.871514][ T291] R10: 0000000000001000 R11: 0000000000000293 R12: ffffffffffffffb8 [ 24.879651][ T299] EXT4-fs (loop3): mounted filesystem without journal. Opts: jqfmt=vfsold,data_err=abort,debug,noload,mblk_io_submit,commit=0x0000000000000005,init_itable=0x0000000000000601,grpquota,,errors=continue [ 24.885810][ T291] R13: 0000000000000010 R14: 0000555555f89700 R15: 00007ffd3286eb20 [ 24.885819][ T291] [ 24.885823][ T291] The buggy address belongs to the page: [ 24.885870][ T291] page:ffffea000421ec00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1087b0 [ 24.893249][ T300] EXT4-fs (loop2): mounting ext3 file system using the ext4 subsystem [ 24.899457][ T291] flags: 0x4000000000000000() [ 24.905892][ T24] audit: type=1400 audit(1721597750.640:73): avc: denied { add_name } for pid=295 comm="syz-executor331" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 24.911364][ T291] raw: 4000000000000000 ffffea000421ec48 ffffea000420eec8 0000000000000000 [ 24.919835][ T24] audit: type=1400 audit(1721597750.640:74): avc: denied { create } for pid=295 comm="syz-executor331" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 24.925327][ T291] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 24.925341][ T291] page dumped because: kasan: bad access detected [ 24.925363][ T291] page_owner tracks the page as freed [ 25.335557][ T291] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 305, ts 24610674035, free_ts 24713924704 [ 25.355950][ T291] prep_new_page+0x166/0x180 [ 25.361062][ T291] get_page_from_freelist+0x2d8c/0x2f30 [ 25.367052][ T291] __alloc_pages_nodemask+0x435/0xaf0 [ 25.373035][ T291] page_cache_ra_unbounded+0x363/0x890 [ 25.380942][ T291] force_page_cache_ra+0x373/0x3e0 [ 25.387922][ T291] page_cache_sync_ra+0x254/0x2c0 [ 25.393207][ T291] generic_file_buffered_read+0x6da/0x2ad0 [ 25.402127][ T291] generic_file_read_iter+0x107/0x6b0 [ 25.409873][ T291] blkdev_read_iter+0x135/0x190 [ 25.416497][ T291] vfs_read+0x999/0xbb0 [ 25.421654][ T291] ksys_read+0x199/0x2c0 [ 25.425774][ T291] __x64_sys_read+0x7b/0x90 [ 25.430333][ T291] do_syscall_64+0x34/0x70 [ 25.434845][ T291] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 25.441285][ T291] page last free stack trace: [ 25.446555][ T291] free_unref_page_prepare+0x2ae/0x2d0 [ 25.454972][ T291] free_unref_page_list+0x122/0xb20 [ 25.461382][ T291] release_pages+0xea0/0xef0 [ 25.468230][ T291] __pagevec_release+0x84/0x100 [ 25.474475][ T291] truncate_inode_pages_range+0xa81/0x1ae0 [ 25.481337][ T291] truncate_inode_pages+0x24/0x30 [ 25.486370][ T291] set_blocksize+0x354/0x3c0 [ 25.490759][ T291] sb_min_blocksize+0xef/0x1b0 [ 25.495556][ T291] ext4_fill_super+0x740/0x9150 [ 25.500356][ T291] mount_bdev+0x262/0x370 [ 25.504541][ T291] ext4_mount+0x34/0x40 [ 25.508917][ T291] legacy_get_tree+0xf1/0x190 [ 25.513369][ T291] vfs_get_tree+0x88/0x290 [ 25.517710][ T291] do_new_mount+0x2ba/0xb30 [ 25.522068][ T291] path_mount+0x56f/0xcb0 [ 25.526311][ T291] __se_sys_mount+0x2c4/0x3b0 [ 25.532784][ T291] [ 25.535723][ T291] Memory state around the buggy address: [ 25.544248][ T291] ffff8881087b0900: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 25.553804][ T291] ffff8881087b0980: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 25.564631][ T291] >ffff8881087b0a00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 25.574399][ T291] ^ [ 25.582694][ T291] ffff8881087b0a80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 25.594013][ T291] ffff8881087b0b00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [pid 291] getdents64(4, [pid 290] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=3072, ...}, AT_EMPTY_PATH) = 0 [pid 299] <... mount resumed>) = 0 [pid 294] newfstatat(AT_FDCWD, "\x2e\x2f\x30\x2f\x66\x69\x6c\x65\x30\x2f\xf7\x6c\x70\xb6\x3b\xa7\x71\x1b\x28\x03\x02\x02\x2e\x2e", [pid 299] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 299] chdir("./file0") = 0 [pid 299] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 290] getdents64(4, [pid 299] ioctl(4, LOOP_CLR_FD) = 0 [pid 294] <... newfstatat resumed>0x7ffd3286c910, AT_SYMLINK_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 290] <... getdents64 resumed>0x555555f89730 /* 1 entries */, 32768) = 176 [ 25.604394][ T291] ================================================================== [ 25.613333][ T291] Disabling lock debugging due to kernel taint [pid 299] close(4) = 0 [pid 294] exit_group(1 [pid 291] <... getdents64 resumed>0x555555f89730 /* 1 entries */, 32768) = 176 [pid 290] umount2("\x2e\x2f\x30\x2f\x66\x69\x6c\x65\x30\x2f\xf7\x6c\x70\xb6\x3b\xa7\x71\x1b\x28\x03\x02\x02\x2e\x2e", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] creat("./bus", 000 [pid 294] <... exit_group resumed>) = ? [pid 291] umount2("\x2e\x2f\x30\x2f\x66\x69\x6c\x65\x30\x2f\xf7\x6c\x70\xb6\x3b\xa7\x71\x1b\x28\x03\x02\x02\x2e\x2e", MNT_FORCE|UMOUNT_NOFOLLOW [pid 290] <... umount2 resumed>) = -1 ENOENT (No such file or directory) [pid 299] <... creat resumed>) = 4 [pid 294] +++ exited with 1 +++ [pid 291] <... umount2 resumed>) = -1 ENOENT (No such file or directory) [pid 290] newfstatat(AT_FDCWD, "\x2e\x2f\x30\x2f\x66\x69\x6c\x65\x30\x2f\xf7\x6c\x70\xb6\x3b\xa7\x71\x1b\x28\x03\x02\x02\x2e\x2e", [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=1, si_utime=0, si_stime=0} --- [pid 299] mount("/dev/loop3", "./bus", NULL, MS_NODEV|MS_SYNCHRONOUS|MS_BIND, NULL [pid 291] newfstatat(AT_FDCWD, "\x2e\x2f\x30\x2f\x66\x69\x6c\x65\x30\x2f\xf7\x6c\x70\xb6\x3b\xa7\x71\x1b\x28\x03\x02\x02\x2e\x2e", [pid 290] <... newfstatat resumed>0x7ffd3286c910, AT_SYMLINK_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 289] restart_syscall(<... resuming interrupted clone ...> [pid 299] <... mount resumed>) = 0 [pid 291] <... newfstatat resumed>0x7ffd3286c910, AT_SYMLINK_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 290] exit_group(1 [pid 299] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 291] exit_group(1 [pid 290] <... exit_group resumed>) = ? [pid 299] <... mknod resumed>) = 0 [pid 291] <... exit_group resumed>) = ? [pid 290] +++ exited with 1 +++ [pid 289] <... restart_syscall resumed>) = ? ERESTART_RESTARTBLOCK (Interrupted by signal) [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=1, si_utime=0, si_stime=0} --- [pid 299] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 291] +++ exited with 1 +++ [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=291, si_uid=0, si_status=1, si_utime=0, si_stime=0} --- [pid 289] restart_syscall(<... resuming interrupted restart_syscall ...> [pid 299] <... link resumed>) = 0 [pid 299] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 299] rename("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 299] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_CLOEXEC) = 5 [pid 299] mmap(0x20000000, 8388608, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0x1000) = 0x20000000 [pid 299] sendmsg(-1, 0x200001c0, 0) = -1 EBADF (Bad file descriptor) [pid 299] exit_group(0) = ? [pid 299] +++ exited with 0 +++ [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=12} --- [pid 293] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 293] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(3, 0x555555f816f0 /* 4 entries */, 32768) = 112 [pid 293] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] unlink("./0/binderfs") = 0 [pid 293] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 293] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0755, st_size=3072, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 293] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 293] newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=3072, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(4, 0x555555f89730 /* 1 entries */, 32768) = 176 [pid 293] umount2("\x2e\x2f\x30\x2f\x66\x69\x6c\x65\x30\x2f\xf7\x6c\x70\xb6\x3b\xa7\x71\x1b\x28\x03\x02\x02\x2e\x2e", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 293] newfstatat(AT_FDCWD, "\x2e\x2f\x30\x2f\x66\x69\x6c\x65\x30\x2f\xf7\x6c\x70\xb6\x3b\xa7\x71\x1b\x28\x03\x02\x02\x2e\x2e", 0x7ffd3286c910, AT_SYMLINK_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 293] exit_group(1) = ? [pid 293] +++ exited with 1 +++ [pid 289] <... restart_syscall resumed>) = ? ERESTART_RESTARTBLOCK (Interrupted by signal) [pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=1, si_utime=0, si_stime=0} --- [ 25.631046][ T24] audit: type=1400 audit(1721597750.640:75): avc: denied { write open } for pid=295 comm="syz-executor331" path="/root/syzkaller.WyWdoI/0/file0/bus" dev="loop4" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 25.632329][ T300] [EXT4 FS bs=1024, gc=1, bpg=8192, ipg=32, mo=b016c118, mo2=0002] [ 25.678375][ T300] System zones: 1-12 [ 25.690175][ T300] EXT4-fs error (device loop2): ext4_xattr_ibody_find:2204: inode #15: comm syz-executor331: corrupted in-inode xattr [pid 289] restart_syscall(<... resuming interrupted restart_syscall ...> [pid 300] <... mount resumed>) = 0 [pid 300] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 300] chdir("./file0") = 0 [pid 300] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 300] ioctl(4, LOOP_CLR_FD) = 0 [pid 300] close(4) = 0 [pid 300] creat("./bus", 000) = 4 [pid 300] mount("/dev/loop2", "./bus", NULL, MS_NODEV|MS_SYNCHRONOUS|MS_BIND, NULL) = 0 [pid 300] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 300] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 300] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 300] rename("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 300] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_CLOEXEC) = 5 [pid 300] mmap(0x20000000, 8388608, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0x1000) = 0x20000000 [pid 300] sendmsg(-1, 0x200001c0, 0) = -1 EBADF (Bad file descriptor) [pid 300] exit_group(0) = ? [pid 300] +++ exited with 0 +++ [pid 292] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=12} --- [pid 292] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 292] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 292] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 292] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 292] getdents64(3, 0x555555f816f0 /* 4 entries */, 32768) = 112 [pid 292] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 292] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 292] unlink("./0/binderfs") = 0 [pid 292] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 292] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0755, st_size=3072, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 292] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 292] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 292] newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=3072, ...}, AT_EMPTY_PATH) = 0 [pid 292] getdents64(4, 0x555555f89730 /* 1 entries */, 32768) = 176 [pid 292] umount2("\x2e\x2f\x30\x2f\x66\x69\x6c\x65\x30\x2f\xf7\x6c\x70\xb6\x3b\xa7\x71\x1b\x28\x03\x02\x02\x2e\x2e", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 292] newfstatat(AT_FDCWD, "\x2e\x2f\x30\x2f\x66\x69\x6c\x65\x30\x2f\xf7\x6c\x70\xb6\x3b\xa7\x71\x1b\x28\x03\x02\x02\x2e\x2e", 0x7ffd3286c910, AT_SYMLINK_NOFOLLOW) = -1 ENOENT (No such file or directory) [pid 292] exit_group(1) = ? [pid 292] +++ exited with 1 +++ <... restart_syscall resumed>) = ? ERESTART_RESTARTBLOCK (Interrupted by signal) --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=292, si_uid=0, si_status=1, si_utime=0, si_stime=1} --- [ 25.709484][ T300] EXT4-fs error (device loop2): ext4_orphan_get:1396: comm syz-executor331: couldn't read orphan inode 15 (err -117) [ 25.724980][ T300] EXT4-fs (loop2): mounted filesystem without journal. Opts: jqfmt=vfsold,data_err=abort,debug,noload,mblk_io_submit,commit=0x0000000000000005,init_itable=0x0000000000000601,grpquota,,errors=continue