./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2369199054 <...> [ 28.461727][ T3191] 8021q: adding VLAN 0 to HW filter on device bond0 [ 28.467310][ T3191] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 40.264811][ T28] kauditd_printk_skb: 37 callbacks suppressed [ 40.264828][ T28] audit: type=1400 audit(1655208149.259:73): avc: denied { transition } for pid=3461 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 40.274356][ T28] audit: type=1400 audit(1655208149.269:74): avc: denied { write } for pid=3461 comm="sh" path="pipe:[28128]" dev="pipefs" ino=28128 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.0.162' (ECDSA) to the list of known hosts. execve("./syz-executor2369199054", ["./syz-executor2369199054"], 0x7ffe3f102d20 /* 10 vars */) = 0 brk(NULL) = 0x555556e0e000 brk(0x555556e0ec40) = 0x555556e0ec40 arch_prctl(ARCH_SET_FS, 0x555556e0e300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2369199054", 4096) = 28 brk(0x555556e2fc40) = 0x555556e2fc40 brk(0x555556e30000) = 0x555556e30000 mprotect(0x7f62ade07000, 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 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3612 ./strace-static-x86_64: Process 3612 attached [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setpgid(0, 0) = 0 [pid 3612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1000", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] memfd_create("syzkaller", 0) = 3 [pid 3612] ftruncate(3, 135266304) = 0 [pid 3612] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3612] pwrite64(3, NULL, 0, 1248) = 0 [pid 3612] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3612] pwrite64(3, NULL, 0, 1600) = 0 [pid 3612] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3612] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3612] pwrite64(3, NULL, 0, 26624) = 0 [pid 3612] pwrite64(3, NULL, 0, 36864) = 0 [pid 3612] pwrite64(3, NULL, 0, 69760) = 0 [pid 3612] pwrite64(3, NULL, 0, 69888) = 0 [pid 3612] pwrite64(3, NULL, 0, 71040) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 50.893041][ T28] audit: type=1400 audit(1655208159.889:75): avc: denied { execmem } for pid=3611 comm="syz-executor236" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 50.897960][ T28] audit: type=1400 audit(1655208159.889:76): avc: denied { read write } for pid=3611 comm="syz-executor236" name="loop0" dev="devtmpfs" ino=644 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 3612] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3612] mkdir("./file0", 0777) = 0 [ 50.899362][ T28] audit: type=1400 audit(1655208159.899:77): avc: denied { open } for pid=3611 comm="syz-executor236" path="/dev/loop0" dev="devtmpfs" ino=644 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 3612] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [ 50.900944][ T28] audit: type=1400 audit(1655208159.899:78): avc: denied { ioctl } for pid=3611 comm="syz-executor236" path="/dev/loop0" dev="devtmpfs" ino=644 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 50.953236][ T3612] loop0: detected capacity change from 0 to 264192 [ 50.956819][ T28] audit: type=1400 audit(1655208159.949:79): avc: denied { mounton } for pid=3612 comm="syz-executor236" path="/root/file0" dev="sda1" ino=1138 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 51.034905][ T3612] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [pid 3612] ioctl(4, LOOP_CLR_FD) = 0 [pid 3612] close(4) = 0 [pid 3612] close(3) = 0 [pid 3612] exit_group(0) = ? [pid 3612] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3612, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3616 ./strace-static-x86_64: Process 3616 attached [ 51.036187][ T3612] EXT4-fs (loop0): get root inode failed [ 51.036198][ T3612] EXT4-fs (loop0): mount failed [pid 3616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3616] setpgid(0, 0) = 0 [pid 3616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3616] write(3, "1000", 4) = 4 [pid 3616] close(3) = 0 [pid 3616] memfd_create("syzkaller", 0) = 3 [pid 3616] ftruncate(3, 135266304) = 0 [pid 3616] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3616] pwrite64(3, NULL, 0, 1248) = 0 [pid 3616] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3616] pwrite64(3, NULL, 0, 1600) = 0 [pid 3616] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3616] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3616] pwrite64(3, NULL, 0, 26624) = 0 [pid 3616] pwrite64(3, NULL, 0, 36864) = 0 [pid 3616] pwrite64(3, NULL, 0, 69760) = 0 [pid 3616] pwrite64(3, NULL, 0, 69888) = 0 [pid 3616] pwrite64(3, NULL, 0, 71040) = 0 [pid 3616] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3616] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3616] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3616] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [ 51.135642][ T3616] loop0: detected capacity change from 0 to 264192 [pid 3616] ioctl(4, LOOP_CLR_FD) = 0 [pid 3616] close(4) = 0 [pid 3616] close(3) = 0 [pid 3616] exit_group(0) = ? [ 51.169718][ T3616] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 51.170320][ T3616] EXT4-fs (loop0): get root inode failed [ 51.170333][ T3616] EXT4-fs (loop0): mount failed [pid 3616] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3616, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3619 ./strace-static-x86_64: Process 3619 attached [pid 3619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3619] setpgid(0, 0) = 0 [pid 3619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "1000", 4) = 4 [pid 3619] close(3) = 0 [pid 3619] memfd_create("syzkaller", 0) = 3 [pid 3619] ftruncate(3, 135266304) = 0 [pid 3619] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3619] pwrite64(3, NULL, 0, 1248) = 0 [pid 3619] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3619] pwrite64(3, NULL, 0, 1600) = 0 [pid 3619] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3619] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3619] pwrite64(3, NULL, 0, 26624) = 0 [pid 3619] pwrite64(3, NULL, 0, 36864) = 0 [pid 3619] pwrite64(3, NULL, 0, 69760) = 0 [pid 3619] pwrite64(3, NULL, 0, 69888) = 0 [pid 3619] pwrite64(3, NULL, 0, 71040) = 0 [pid 3619] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3619] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3619] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3619] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3619] ioctl(4, LOOP_CLR_FD) = 0 [pid 3619] close(4) = 0 [pid 3619] close(3) = 0 [pid 3619] exit_group(0) = ? [pid 3619] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3619, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3622 ./strace-static-x86_64: Process 3622 attached [pid 3622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3622] setpgid(0, 0) = 0 [ 51.276224][ T3619] loop0: detected capacity change from 0 to 264192 [ 51.289623][ T3619] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 51.289890][ T3619] EXT4-fs (loop0): get root inode failed [ 51.289898][ T3619] EXT4-fs (loop0): mount failed [pid 3622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3622] write(3, "1000", 4) = 4 [pid 3622] close(3) = 0 [pid 3622] memfd_create("syzkaller", 0) = 3 [pid 3622] ftruncate(3, 135266304) = 0 [pid 3622] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3622] pwrite64(3, NULL, 0, 1248) = 0 [pid 3622] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3622] pwrite64(3, NULL, 0, 1600) = 0 [pid 3622] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3622] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3622] pwrite64(3, NULL, 0, 26624) = 0 [pid 3622] pwrite64(3, NULL, 0, 36864) = 0 [pid 3622] pwrite64(3, NULL, 0, 69760) = 0 [pid 3622] pwrite64(3, NULL, 0, 69888) = 0 [pid 3622] pwrite64(3, NULL, 0, 71040) = 0 [pid 3622] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3622] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3622] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3622] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3622] ioctl(4, LOOP_CLR_FD) = 0 [pid 3622] close(4) = 0 [pid 3622] close(3) = 0 [pid 3622] exit_group(0) = ? [pid 3622] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3622, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3625 ./strace-static-x86_64: Process 3625 attached [ 51.376274][ T3622] loop0: detected capacity change from 0 to 264192 [ 51.389800][ T3622] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 51.390184][ T3622] EXT4-fs (loop0): get root inode failed [ 51.390198][ T3622] EXT4-fs (loop0): mount failed [pid 3625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3625] setpgid(0, 0) = 0 [pid 3625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3625] write(3, "1000", 4) = 4 [pid 3625] close(3) = 0 [pid 3625] memfd_create("syzkaller", 0) = 3 [pid 3625] ftruncate(3, 135266304) = 0 [pid 3625] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3625] pwrite64(3, NULL, 0, 1248) = 0 [pid 3625] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3625] pwrite64(3, NULL, 0, 1600) = 0 [pid 3625] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3625] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3625] pwrite64(3, NULL, 0, 26624) = 0 [pid 3625] pwrite64(3, NULL, 0, 36864) = 0 [pid 3625] pwrite64(3, NULL, 0, 69760) = 0 [pid 3625] pwrite64(3, NULL, 0, 69888) = 0 [pid 3625] pwrite64(3, NULL, 0, 71040) = 0 [pid 3625] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3625] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3625] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3625] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [ 51.476811][ T3625] loop0: detected capacity change from 0 to 264192 [ 51.499799][ T3625] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 51.500259][ T3625] EXT4-fs (loop0): get root inode failed [pid 3625] ioctl(4, LOOP_CLR_FD) = 0 [pid 3625] close(4) = 0 [pid 3625] close(3) = 0 [pid 3625] exit_group(0) = ? [pid 3625] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3625, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3628 ./strace-static-x86_64: Process 3628 attached [pid 3628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3628] setpgid(0, 0) = 0 [pid 3628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3628] write(3, "1000", 4) = 4 [pid 3628] close(3) = 0 [pid 3628] memfd_create("syzkaller", 0) = 3 [pid 3628] ftruncate(3, 135266304) = 0 [pid 3628] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3628] pwrite64(3, NULL, 0, 1248) = 0 [pid 3628] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3628] pwrite64(3, NULL, 0, 1600) = 0 [pid 3628] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3628] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3628] pwrite64(3, NULL, 0, 26624) = 0 [pid 3628] pwrite64(3, NULL, 0, 36864) = 0 [pid 3628] pwrite64(3, NULL, 0, 69760) = 0 [pid 3628] pwrite64(3, NULL, 0, 69888) = 0 [pid 3628] pwrite64(3, NULL, 0, 71040) = 0 [pid 3628] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3628] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3628] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 51.500271][ T3625] EXT4-fs (loop0): mount failed [pid 3628] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3628] ioctl(4, LOOP_CLR_FD) = 0 [pid 3628] close(4) = 0 [pid 3628] close(3) = 0 [pid 3628] exit_group(0) = ? [pid 3628] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3628, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3631 ./strace-static-x86_64: Process 3631 attached [pid 3631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3631] setpgid(0, 0) = 0 [pid 3631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3631] write(3, "1000", 4) = 4 [pid 3631] close(3) = 0 [pid 3631] memfd_create("syzkaller", 0) = 3 [pid 3631] ftruncate(3, 135266304) = 0 [pid 3631] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3631] pwrite64(3, NULL, 0, 1248) = 0 [pid 3631] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3631] pwrite64(3, NULL, 0, 1600) = 0 [pid 3631] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3631] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3631] pwrite64(3, NULL, 0, 26624) = 0 [pid 3631] pwrite64(3, NULL, 0, 36864) = 0 [pid 3631] pwrite64(3, NULL, 0, 69760) = 0 [pid 3631] pwrite64(3, NULL, 0, 69888) = 0 [pid 3631] pwrite64(3, NULL, 0, 71040) = 0 [pid 3631] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3631] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3631] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 51.561408][ T3628] loop0: detected capacity change from 0 to 264192 [ 51.569845][ T3628] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 51.570237][ T3628] EXT4-fs (loop0): get root inode failed [ 51.570250][ T3628] EXT4-fs (loop0): mount failed [pid 3631] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3631] ioctl(4, LOOP_CLR_FD) = 0 [pid 3631] close(4) = 0 [pid 3631] close(3) = 0 [pid 3631] exit_group(0) = ? [pid 3631] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3631, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3634 ./strace-static-x86_64: Process 3634 attached [pid 3634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3634] setpgid(0, 0) = 0 [pid 3634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3634] write(3, "1000", 4) = 4 [pid 3634] close(3) = 0 [pid 3634] memfd_create("syzkaller", 0) = 3 [pid 3634] ftruncate(3, 135266304) = 0 [pid 3634] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3634] pwrite64(3, NULL, 0, 1248) = 0 [pid 3634] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3634] pwrite64(3, NULL, 0, 1600) = 0 [pid 3634] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3634] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3634] pwrite64(3, NULL, 0, 26624) = 0 [pid 3634] pwrite64(3, NULL, 0, 36864) = 0 [pid 3634] pwrite64(3, NULL, 0, 69760) = 0 [pid 3634] pwrite64(3, NULL, 0, 69888) = 0 [pid 3634] pwrite64(3, NULL, 0, 71040) = 0 [pid 3634] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3634] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3634] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 51.622533][ T3631] loop0: detected capacity change from 0 to 264192 [ 51.639879][ T3631] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 51.640646][ T3631] EXT4-fs (loop0): get root inode failed [ 51.640661][ T3631] EXT4-fs (loop0): mount failed [pid 3634] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3634] ioctl(4, LOOP_CLR_FD) = 0 [pid 3634] close(4) = 0 [pid 3634] close(3) = 0 [pid 3634] exit_group(0) = ? [pid 3634] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3637 ./strace-static-x86_64: Process 3637 attached [pid 3637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3637] setpgid(0, 0) = 0 [pid 3637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3637] write(3, "1000", 4) = 4 [ 51.695831][ T3634] loop0: detected capacity change from 0 to 264192 [ 51.710054][ T3634] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 51.710417][ T3634] EXT4-fs (loop0): get root inode failed [ 51.710426][ T3634] EXT4-fs (loop0): mount failed [pid 3637] close(3) = 0 [pid 3637] memfd_create("syzkaller", 0) = 3 [pid 3637] ftruncate(3, 135266304) = 0 [pid 3637] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3637] pwrite64(3, NULL, 0, 1248) = 0 [pid 3637] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3637] pwrite64(3, NULL, 0, 1600) = 0 [pid 3637] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3637] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3637] pwrite64(3, NULL, 0, 26624) = 0 [pid 3637] pwrite64(3, NULL, 0, 36864) = 0 [pid 3637] pwrite64(3, NULL, 0, 69760) = 0 [pid 3637] pwrite64(3, NULL, 0, 69888) = 0 [pid 3637] pwrite64(3, NULL, 0, 71040) = 0 [pid 3637] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3637] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3637] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3637] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3637] ioctl(4, LOOP_CLR_FD) = 0 [pid 3637] close(4) = 0 [pid 3637] close(3) = 0 [pid 3637] exit_group(0) = ? [pid 3637] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3637, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3640 ./strace-static-x86_64: Process 3640 attached [pid 3640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3640] setpgid(0, 0) = 0 [pid 3640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3640] write(3, "1000", 4) = 4 [pid 3640] close(3) = 0 [pid 3640] memfd_create("syzkaller", 0) = 3 [pid 3640] ftruncate(3, 135266304) = 0 [pid 3640] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3640] pwrite64(3, NULL, 0, 1248) = 0 [pid 3640] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3640] pwrite64(3, NULL, 0, 1600) = 0 [pid 3640] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3640] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3640] pwrite64(3, NULL, 0, 26624) = 0 [pid 3640] pwrite64(3, NULL, 0, 36864) = 0 [pid 3640] pwrite64(3, NULL, 0, 69760) = 0 [pid 3640] pwrite64(3, NULL, 0, 69888) = 0 [pid 3640] pwrite64(3, NULL, 0, 71040) = 0 [pid 3640] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3640] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3640] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 51.784115][ T3637] loop0: detected capacity change from 0 to 264192 [ 51.799586][ T3637] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 51.799983][ T3637] EXT4-fs (loop0): get root inode failed [ 51.800051][ T3637] EXT4-fs (loop0): mount failed [pid 3640] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3640] ioctl(4, LOOP_CLR_FD) = 0 [pid 3640] close(4) = 0 [pid 3640] close(3) = 0 [pid 3640] exit_group(0) = ? [pid 3640] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3640, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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 3643 attached , child_tidptr=0x555556e0e5d0) = 3643 [pid 3643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3643] setpgid(0, 0) = 0 [pid 3643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3643] write(3, "1000", 4) = 4 [pid 3643] close(3) = 0 [pid 3643] memfd_create("syzkaller", 0) = 3 [pid 3643] ftruncate(3, 135266304) = 0 [pid 3643] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3643] pwrite64(3, NULL, 0, 1248) = 0 [pid 3643] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3643] pwrite64(3, NULL, 0, 1600) = 0 [pid 3643] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3643] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3643] pwrite64(3, NULL, 0, 26624) = 0 [pid 3643] pwrite64(3, NULL, 0, 36864) = 0 [pid 3643] pwrite64(3, NULL, 0, 69760) = 0 [pid 3643] pwrite64(3, NULL, 0, 69888) = 0 [pid 3643] pwrite64(3, NULL, 0, 71040) = 0 [pid 3643] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3643] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3643] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 51.859868][ T3640] loop0: detected capacity change from 0 to 264192 [ 51.871040][ T3640] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 51.872005][ T3640] EXT4-fs (loop0): get root inode failed [ 51.872020][ T3640] EXT4-fs (loop0): mount failed [pid 3643] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [ 51.943701][ T3643] loop0: detected capacity change from 0 to 264192 [ 51.969843][ T3643] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 51.970117][ T3643] EXT4-fs (loop0): get root inode failed [pid 3643] ioctl(4, LOOP_CLR_FD) = 0 [pid 3643] close(4) = 0 [pid 3643] close(3) = 0 [pid 3643] exit_group(0) = ? [pid 3643] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3643, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3646 ./strace-static-x86_64: Process 3646 attached [pid 3646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3646] setpgid(0, 0) = 0 [pid 3646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3646] write(3, "1000", 4) = 4 [pid 3646] close(3) = 0 [pid 3646] memfd_create("syzkaller", 0) = 3 [pid 3646] ftruncate(3, 135266304) = 0 [ 51.970125][ T3643] EXT4-fs (loop0): mount failed [pid 3646] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3646] pwrite64(3, NULL, 0, 1248) = 0 [pid 3646] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3646] pwrite64(3, NULL, 0, 1600) = 0 [pid 3646] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3646] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3646] pwrite64(3, NULL, 0, 26624) = 0 [pid 3646] pwrite64(3, NULL, 0, 36864) = 0 [pid 3646] pwrite64(3, NULL, 0, 69760) = 0 [pid 3646] pwrite64(3, NULL, 0, 69888) = 0 [pid 3646] pwrite64(3, NULL, 0, 71040) = 0 [pid 3646] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3646] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3646] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3646] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3646] ioctl(4, LOOP_CLR_FD) = 0 [pid 3646] close(4) = 0 [pid 3646] close(3) = 0 [pid 3646] exit_group(0) = ? [pid 3646] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3646, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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 3649 attached , child_tidptr=0x555556e0e5d0) = 3649 [pid 3649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3649] setpgid(0, 0) = 0 [pid 3649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3649] write(3, "1000", 4) = 4 [pid 3649] close(3) = 0 [pid 3649] memfd_create("syzkaller", 0) = 3 [pid 3649] ftruncate(3, 135266304) = 0 [pid 3649] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3649] pwrite64(3, NULL, 0, 1248) = 0 [pid 3649] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3649] pwrite64(3, NULL, 0, 1600) = 0 [pid 3649] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3649] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3649] pwrite64(3, NULL, 0, 26624) = 0 [pid 3649] pwrite64(3, NULL, 0, 36864) = 0 [pid 3649] pwrite64(3, NULL, 0, 69760) = 0 [pid 3649] pwrite64(3, NULL, 0, 69888) = 0 [pid 3649] pwrite64(3, NULL, 0, 71040) = 0 [pid 3649] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3649] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3649] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 52.053294][ T3646] loop0: detected capacity change from 0 to 264192 [ 52.067742][ T3646] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 52.068281][ T3646] EXT4-fs (loop0): get root inode failed [ 52.068295][ T3646] EXT4-fs (loop0): mount failed [pid 3649] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3649] ioctl(4, LOOP_CLR_FD) = 0 [pid 3649] close(4) = 0 [pid 3649] close(3) = 0 [pid 3649] exit_group(0) = ? [pid 3649] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3649, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- restart_syscall(<... resuming interrupted clone ...>) = 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, child_tidptr=0x555556e0e5d0) = 3652 ./strace-static-x86_64: Process 3652 attached [pid 3652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3652] setpgid(0, 0) = 0 [pid 3652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3652] write(3, "1000", 4) = 4 [pid 3652] close(3) = 0 [pid 3652] memfd_create("syzkaller", 0) = 3 [pid 3652] ftruncate(3, 135266304) = 0 [pid 3652] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3652] pwrite64(3, NULL, 0, 1248) = 0 [pid 3652] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3652] pwrite64(3, NULL, 0, 1600) = 0 [pid 3652] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3652] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3652] pwrite64(3, NULL, 0, 26624) = 0 [pid 3652] pwrite64(3, NULL, 0, 36864) = 0 [pid 3652] pwrite64(3, NULL, 0, 69760) = 0 [pid 3652] pwrite64(3, NULL, 0, 69888) = 0 [pid 3652] pwrite64(3, NULL, 0, 71040) = 0 [pid 3652] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3652] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3652] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 52.128535][ T3649] loop0: detected capacity change from 0 to 264192 [ 52.146936][ T3649] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 52.147211][ T3649] EXT4-fs (loop0): get root inode failed [ 52.147219][ T3649] EXT4-fs (loop0): mount failed [pid 3652] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3652] ioctl(4, LOOP_CLR_FD) = 0 [pid 3652] close(4) = 0 [pid 3652] close(3) = 0 [pid 3652] exit_group(0) = ? [pid 3652] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3652, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [ 52.202742][ T3652] loop0: detected capacity change from 0 to 264192 [ 52.229376][ T3652] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3655 ./strace-static-x86_64: Process 3655 attached [pid 3655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3655] setpgid(0, 0) = 0 [pid 3655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3655] write(3, "1000", 4) = 4 [pid 3655] close(3) = 0 [pid 3655] memfd_create("syzkaller", 0) = 3 [pid 3655] ftruncate(3, 135266304) = 0 [pid 3655] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3655] pwrite64(3, NULL, 0, 1248) = 0 [pid 3655] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3655] pwrite64(3, NULL, 0, 1600) = 0 [pid 3655] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3655] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3655] pwrite64(3, NULL, 0, 26624) = 0 [pid 3655] pwrite64(3, NULL, 0, 36864) = 0 [pid 3655] pwrite64(3, NULL, 0, 69760) = 0 [pid 3655] pwrite64(3, NULL, 0, 69888) = 0 [pid 3655] pwrite64(3, NULL, 0, 71040) = 0 [pid 3655] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3655] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3655] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 52.230072][ T3652] EXT4-fs (loop0): get root inode failed [ 52.230087][ T3652] EXT4-fs (loop0): mount failed [pid 3655] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3655] ioctl(4, LOOP_CLR_FD) = 0 [pid 3655] close(4) = 0 [pid 3655] close(3) = 0 [pid 3655] exit_group(0) = ? [pid 3655] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3655, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3658 ./strace-static-x86_64: Process 3658 attached [pid 3658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3658] setpgid(0, 0) = 0 [pid 3658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3658] write(3, "1000", 4) = 4 [pid 3658] close(3) = 0 [pid 3658] memfd_create("syzkaller", 0) = 3 [pid 3658] ftruncate(3, 135266304) = 0 [pid 3658] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3658] pwrite64(3, NULL, 0, 1248) = 0 [pid 3658] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3658] pwrite64(3, NULL, 0, 1600) = 0 [pid 3658] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3658] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3658] pwrite64(3, NULL, 0, 26624) = 0 [pid 3658] pwrite64(3, NULL, 0, 36864) = 0 [pid 3658] pwrite64(3, NULL, 0, 69760) = 0 [pid 3658] pwrite64(3, NULL, 0, 69888) = 0 [pid 3658] pwrite64(3, NULL, 0, 71040) = 0 [pid 3658] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3658] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3658] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 52.303572][ T3655] loop0: detected capacity change from 0 to 264192 [ 52.310356][ T3655] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 52.310752][ T3655] EXT4-fs (loop0): get root inode failed [ 52.310763][ T3655] EXT4-fs (loop0): mount failed [pid 3658] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3658] ioctl(4, LOOP_CLR_FD) = 0 [pid 3658] close(4) = 0 [pid 3658] close(3) = 0 [pid 3658] exit_group(0) = ? [pid 3658] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3658, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3661 ./strace-static-x86_64: Process 3661 attached [pid 3661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3661] setpgid(0, 0) = 0 [ 52.384295][ T3658] loop0: detected capacity change from 0 to 264192 [ 52.399898][ T3658] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 52.400164][ T3658] EXT4-fs (loop0): get root inode failed [ 52.400173][ T3658] EXT4-fs (loop0): mount failed [pid 3661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3661] write(3, "1000", 4) = 4 [pid 3661] close(3) = 0 [pid 3661] memfd_create("syzkaller", 0) = 3 [pid 3661] ftruncate(3, 135266304) = 0 [pid 3661] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3661] pwrite64(3, NULL, 0, 1248) = 0 [pid 3661] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3661] pwrite64(3, NULL, 0, 1600) = 0 [pid 3661] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3661] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3661] pwrite64(3, NULL, 0, 26624) = 0 [pid 3661] pwrite64(3, NULL, 0, 36864) = 0 [pid 3661] pwrite64(3, NULL, 0, 69760) = 0 [pid 3661] pwrite64(3, NULL, 0, 69888) = 0 [pid 3661] pwrite64(3, NULL, 0, 71040) = 0 [pid 3661] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3661] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3661] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3661] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3661] ioctl(4, LOOP_CLR_FD) = 0 [pid 3661] close(4) = 0 [pid 3661] close(3) = 0 [pid 3661] exit_group(0) = ? [pid 3661] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3661, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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, child_tidptr=0x555556e0e5d0) = 3664 ./strace-static-x86_64: Process 3664 attached [pid 3664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3664] setpgid(0, 0) = 0 [pid 3664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3664] write(3, "1000", 4) = 4 [pid 3664] close(3) = 0 [pid 3664] memfd_create("syzkaller", 0) = 3 [pid 3664] ftruncate(3, 135266304) = 0 [pid 3664] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3664] pwrite64(3, NULL, 0, 1248) = 0 [pid 3664] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3664] pwrite64(3, NULL, 0, 1600) = 0 [pid 3664] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3664] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3664] pwrite64(3, NULL, 0, 26624) = 0 [pid 3664] pwrite64(3, NULL, 0, 36864) = 0 [pid 3664] pwrite64(3, NULL, 0, 69760) = 0 [pid 3664] pwrite64(3, NULL, 0, 69888) = 0 [pid 3664] pwrite64(3, NULL, 0, 71040) = 0 [pid 3664] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3664] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3664] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 52.473379][ T3661] loop0: detected capacity change from 0 to 264192 [ 52.486433][ T3661] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 52.486882][ T3661] EXT4-fs (loop0): get root inode failed [ 52.486896][ T3661] EXT4-fs (loop0): mount failed [pid 3664] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3664] ioctl(4, LOOP_CLR_FD) = 0 [pid 3664] close(4) = 0 [pid 3664] close(3) = 0 [pid 3664] exit_group(0) = ? [pid 3664] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3664, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 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, child_tidptr=0x555556e0e5d0) = 3667 ./strace-static-x86_64: Process 3667 attached [pid 3667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3667] setpgid(0, 0) = 0 [pid 3667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3667] write(3, "1000", 4) = 4 [pid 3667] close(3) = 0 [pid 3667] memfd_create("syzkaller", 0) = 3 [pid 3667] ftruncate(3, 135266304) = 0 [pid 3667] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3667] pwrite64(3, NULL, 0, 1248) = 0 [pid 3667] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3667] pwrite64(3, NULL, 0, 1600) = 0 [pid 3667] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3667] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3667] pwrite64(3, NULL, 0, 26624) = 0 [pid 3667] pwrite64(3, NULL, 0, 36864) = 0 [pid 3667] pwrite64(3, NULL, 0, 69760) = 0 [pid 3667] pwrite64(3, NULL, 0, 69888) = 0 [pid 3667] pwrite64(3, NULL, 0, 71040) = 0 [pid 3667] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3667] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3667] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 52.550650][ T3664] loop0: detected capacity change from 0 to 264192 [ 52.566667][ T3664] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 52.567205][ T3664] EXT4-fs (loop0): get root inode failed [ 52.567218][ T3664] EXT4-fs (loop0): mount failed [pid 3667] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3667] ioctl(4, LOOP_CLR_FD) = 0 [pid 3667] close(4) = 0 [pid 3667] close(3) = 0 [pid 3667] exit_group(0) = ? [pid 3667] +++ exited with 0 +++ [ 52.616701][ T3667] loop0: detected capacity change from 0 to 264192 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3667, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3670 ./strace-static-x86_64: Process 3670 attached [pid 3670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3670] setpgid(0, 0) = 0 [pid 3670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3670] write(3, "1000", 4) = 4 [pid 3670] close(3) = 0 [pid 3670] memfd_create("syzkaller", 0) = 3 [pid 3670] ftruncate(3, 135266304) = 0 [pid 3670] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3670] pwrite64(3, NULL, 0, 1248) = 0 [pid 3670] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3670] pwrite64(3, NULL, 0, 1600) = 0 [pid 3670] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3670] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3670] pwrite64(3, NULL, 0, 26624) = 0 [pid 3670] pwrite64(3, NULL, 0, 36864) = 0 [pid 3670] pwrite64(3, NULL, 0, 69760) = 0 [pid 3670] pwrite64(3, NULL, 0, 69888) = 0 [pid 3670] pwrite64(3, NULL, 0, 71040) = 0 [pid 3670] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3670] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3670] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 52.649874][ T3667] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 52.650302][ T3667] EXT4-fs (loop0): get root inode failed [ 52.650315][ T3667] EXT4-fs (loop0): mount failed [pid 3670] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3670] ioctl(4, LOOP_CLR_FD) = 0 [pid 3670] close(4) = 0 [pid 3670] close(3) = 0 [pid 3670] exit_group(0) = ? [pid 3670] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3670, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3673 ./strace-static-x86_64: Process 3673 attached [ 52.710386][ T3670] loop0: detected capacity change from 0 to 264192 [ 52.730406][ T3670] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 52.730822][ T3670] EXT4-fs (loop0): get root inode failed [pid 3673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3673] setpgid(0, 0) = 0 [pid 3673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3673] write(3, "1000", 4) = 4 [pid 3673] close(3) = 0 [pid 3673] memfd_create("syzkaller", 0) = 3 [pid 3673] ftruncate(3, 135266304) = 0 [pid 3673] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3673] pwrite64(3, NULL, 0, 1248) = 0 [pid 3673] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3673] pwrite64(3, NULL, 0, 1600) = 0 [pid 3673] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3673] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3673] pwrite64(3, NULL, 0, 26624) = 0 [pid 3673] pwrite64(3, NULL, 0, 36864) = 0 [pid 3673] pwrite64(3, NULL, 0, 69760) = 0 [pid 3673] pwrite64(3, NULL, 0, 69888) = 0 [pid 3673] pwrite64(3, NULL, 0, 71040) = 0 [pid 3673] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3673] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3673] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3673] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3673] ioctl(4, LOOP_CLR_FD) = 0 [pid 3673] close(4) = 0 [pid 3673] close(3) = 0 [pid 3673] exit_group(0) = ? [ 52.730835][ T3670] EXT4-fs (loop0): mount failed [ 52.777504][ T3673] loop0: detected capacity change from 0 to 264192 [pid 3673] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3673, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3676 ./strace-static-x86_64: Process 3676 attached [pid 3676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3676] setpgid(0, 0) = 0 [pid 3676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3676] write(3, "1000", 4) = 4 [pid 3676] close(3) = 0 [pid 3676] memfd_create("syzkaller", 0) = 3 [pid 3676] ftruncate(3, 135266304) = 0 [pid 3676] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3676] pwrite64(3, NULL, 0, 1248) = 0 [pid 3676] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3676] pwrite64(3, NULL, 0, 1600) = 0 [pid 3676] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3676] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3676] pwrite64(3, NULL, 0, 26624) = 0 [pid 3676] pwrite64(3, NULL, 0, 36864) = 0 [pid 3676] pwrite64(3, NULL, 0, 69760) = 0 [pid 3676] pwrite64(3, NULL, 0, 69888) = 0 [pid 3676] pwrite64(3, NULL, 0, 71040) = 0 [pid 3676] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3676] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3676] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 52.820260][ T3673] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 52.820710][ T3673] EXT4-fs (loop0): get root inode failed [ 52.820725][ T3673] EXT4-fs (loop0): mount failed [pid 3676] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3676] ioctl(4, LOOP_CLR_FD) = 0 [pid 3676] close(4) = 0 [pid 3676] close(3) = 0 [pid 3676] exit_group(0) = ? [pid 3676] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3676, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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, child_tidptr=0x555556e0e5d0) = 3679 ./strace-static-x86_64: Process 3679 attached [pid 3679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3679] setpgid(0, 0) = 0 [pid 3679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3679] write(3, "1000", 4) = 4 [pid 3679] close(3) = 0 [pid 3679] memfd_create("syzkaller", 0) = 3 [pid 3679] ftruncate(3, 135266304) = 0 [pid 3679] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3679] pwrite64(3, NULL, 0, 1248) = 0 [pid 3679] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3679] pwrite64(3, NULL, 0, 1600) = 0 [pid 3679] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3679] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3679] pwrite64(3, NULL, 0, 26624) = 0 [pid 3679] pwrite64(3, NULL, 0, 36864) = 0 [pid 3679] pwrite64(3, NULL, 0, 69760) = 0 [pid 3679] pwrite64(3, NULL, 0, 69888) = 0 [ 52.875407][ T3676] loop0: detected capacity change from 0 to 264192 [ 52.890751][ T3676] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 52.891457][ T3676] EXT4-fs (loop0): get root inode failed [ 52.891472][ T3676] EXT4-fs (loop0): mount failed [pid 3679] pwrite64(3, NULL, 0, 71040) = 0 [pid 3679] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3679] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3679] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3679] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3679] ioctl(4, LOOP_CLR_FD) = 0 [pid 3679] close(4) = 0 [pid 3679] close(3) = 0 [pid 3679] exit_group(0) = ? [pid 3679] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3679, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3682 ./strace-static-x86_64: Process 3682 attached [pid 3682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3682] setpgid(0, 0) = 0 [pid 3682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3682] write(3, "1000", 4) = 4 [pid 3682] close(3) = 0 [pid 3682] memfd_create("syzkaller", 0) = 3 [pid 3682] ftruncate(3, 135266304) = 0 [pid 3682] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3682] pwrite64(3, NULL, 0, 1248) = 0 [pid 3682] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3682] pwrite64(3, NULL, 0, 1600) = 0 [pid 3682] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3682] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3682] pwrite64(3, NULL, 0, 26624) = 0 [pid 3682] pwrite64(3, NULL, 0, 36864) = 0 [pid 3682] pwrite64(3, NULL, 0, 69760) = 0 [pid 3682] pwrite64(3, NULL, 0, 69888) = 0 [ 52.954161][ T3679] loop0: detected capacity change from 0 to 264192 [ 52.969933][ T3679] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 52.970329][ T3679] EXT4-fs (loop0): get root inode failed [ 52.970338][ T3679] EXT4-fs (loop0): mount failed [pid 3682] pwrite64(3, NULL, 0, 71040) = 0 [pid 3682] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3682] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3682] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3682] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3682] ioctl(4, LOOP_CLR_FD) = 0 [pid 3682] close(4) = 0 [pid 3682] close(3) = 0 [pid 3682] exit_group(0) = ? [pid 3682] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3682, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3685 [ 53.040320][ T3682] loop0: detected capacity change from 0 to 264192 [ 53.051285][ T3682] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 53.051685][ T3682] EXT4-fs (loop0): get root inode failed [ 53.051725][ T3682] EXT4-fs (loop0): mount failed ./strace-static-x86_64: Process 3685 attached [pid 3685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3685] setpgid(0, 0) = 0 [pid 3685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3685] write(3, "1000", 4) = 4 [pid 3685] close(3) = 0 [pid 3685] memfd_create("syzkaller", 0) = 3 [pid 3685] ftruncate(3, 135266304) = 0 [pid 3685] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3685] pwrite64(3, NULL, 0, 1248) = 0 [pid 3685] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3685] pwrite64(3, NULL, 0, 1600) = 0 [pid 3685] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3685] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3685] pwrite64(3, NULL, 0, 26624) = 0 [pid 3685] pwrite64(3, NULL, 0, 36864) = 0 [pid 3685] pwrite64(3, NULL, 0, 69760) = 0 [pid 3685] pwrite64(3, NULL, 0, 69888) = 0 [pid 3685] pwrite64(3, NULL, 0, 71040) = 0 [pid 3685] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3685] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3685] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3685] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3685] ioctl(4, LOOP_CLR_FD) = 0 [pid 3685] close(4) = 0 [pid 3685] close(3) = 0 [pid 3685] exit_group(0) = ? [pid 3685] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3685, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3688 ./strace-static-x86_64: Process 3688 attached [pid 3688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3688] setpgid(0, 0) = 0 [pid 3688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3688] write(3, "1000", 4) = 4 [pid 3688] close(3) = 0 [pid 3688] memfd_create("syzkaller", 0) = 3 [pid 3688] ftruncate(3, 135266304) = 0 [ 53.153263][ T3685] loop0: detected capacity change from 0 to 264192 [ 53.169726][ T3685] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 53.170109][ T3685] EXT4-fs (loop0): get root inode failed [ 53.170118][ T3685] EXT4-fs (loop0): mount failed [pid 3688] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3688] pwrite64(3, NULL, 0, 1248) = 0 [pid 3688] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3688] pwrite64(3, NULL, 0, 1600) = 0 [pid 3688] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3688] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3688] pwrite64(3, NULL, 0, 26624) = 0 [pid 3688] pwrite64(3, NULL, 0, 36864) = 0 [pid 3688] pwrite64(3, NULL, 0, 69760) = 0 [pid 3688] pwrite64(3, NULL, 0, 69888) = 0 [pid 3688] pwrite64(3, NULL, 0, 71040) = 0 [pid 3688] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3688] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3688] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3688] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [ 53.247376][ T3688] loop0: detected capacity change from 0 to 264192 [ 53.269649][ T3688] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 53.270048][ T3688] EXT4-fs (loop0): get root inode failed [pid 3688] ioctl(4, LOOP_CLR_FD) = 0 [pid 3688] close(4) = 0 [pid 3688] close(3) = 0 [pid 3688] exit_group(0) = ? [pid 3688] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3688, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3691 ./strace-static-x86_64: Process 3691 attached [pid 3691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3691] setpgid(0, 0) = 0 [pid 3691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3691] write(3, "1000", 4) = 4 [pid 3691] close(3) = 0 [ 53.270062][ T3688] EXT4-fs (loop0): mount failed [pid 3691] memfd_create("syzkaller", 0) = 3 [pid 3691] ftruncate(3, 135266304) = 0 [pid 3691] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3691] pwrite64(3, NULL, 0, 1248) = 0 [pid 3691] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3691] pwrite64(3, NULL, 0, 1600) = 0 [pid 3691] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3691] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3691] pwrite64(3, NULL, 0, 26624) = 0 [pid 3691] pwrite64(3, NULL, 0, 36864) = 0 [pid 3691] pwrite64(3, NULL, 0, 69760) = 0 [pid 3691] pwrite64(3, NULL, 0, 69888) = 0 [pid 3691] pwrite64(3, NULL, 0, 71040) = 0 [pid 3691] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3691] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3691] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3691] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3691] ioctl(4, LOOP_CLR_FD) = 0 [pid 3691] close(4) = 0 [pid 3691] close(3) = 0 [pid 3691] exit_group(0) = ? [pid 3691] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3691, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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 3694 attached , child_tidptr=0x555556e0e5d0) = 3694 [pid 3694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3694] setpgid(0, 0) = 0 [pid 3694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3694] write(3, "1000", 4) = 4 [pid 3694] close(3) = 0 [pid 3694] memfd_create("syzkaller", 0) = 3 [pid 3694] ftruncate(3, 135266304) = 0 [pid 3694] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3694] pwrite64(3, NULL, 0, 1248) = 0 [pid 3694] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3694] pwrite64(3, NULL, 0, 1600) = 0 [pid 3694] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3694] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3694] pwrite64(3, NULL, 0, 26624) = 0 [pid 3694] pwrite64(3, NULL, 0, 36864) = 0 [pid 3694] pwrite64(3, NULL, 0, 69760) = 0 [pid 3694] pwrite64(3, NULL, 0, 69888) = 0 [pid 3694] pwrite64(3, NULL, 0, 71040) = 0 [pid 3694] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3694] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3694] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 53.343192][ T3691] loop0: detected capacity change from 0 to 264192 [ 53.351362][ T3691] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 53.352259][ T3691] EXT4-fs (loop0): get root inode failed [ 53.352272][ T3691] EXT4-fs (loop0): mount failed [pid 3694] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3694] ioctl(4, LOOP_CLR_FD) = 0 [pid 3694] close(4) = 0 [pid 3694] close(3) = 0 [pid 3694] exit_group(0) = ? [pid 3694] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3694, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3697 ./strace-static-x86_64: Process 3697 attached [pid 3697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3697] setpgid(0, 0) = 0 [pid 3697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3697] write(3, "1000", 4) = 4 [pid 3697] close(3) = 0 [pid 3697] memfd_create("syzkaller", 0) = 3 [pid 3697] ftruncate(3, 135266304) = 0 [pid 3697] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3697] pwrite64(3, NULL, 0, 1248) = 0 [pid 3697] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3697] pwrite64(3, NULL, 0, 1600) = 0 [pid 3697] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3697] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3697] pwrite64(3, NULL, 0, 26624) = 0 [pid 3697] pwrite64(3, NULL, 0, 36864) = 0 [pid 3697] pwrite64(3, NULL, 0, 69760) = 0 [pid 3697] pwrite64(3, NULL, 0, 69888) = 0 [pid 3697] pwrite64(3, NULL, 0, 71040) = 0 [pid 3697] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3697] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3697] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 53.412619][ T3694] loop0: detected capacity change from 0 to 264192 [ 53.420082][ T3694] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 53.420472][ T3694] EXT4-fs (loop0): get root inode failed [ 53.420484][ T3694] EXT4-fs (loop0): mount failed [pid 3697] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3697] ioctl(4, LOOP_CLR_FD) = 0 [pid 3697] close(4) = 0 [pid 3697] close(3) = 0 [pid 3697] exit_group(0) = ? [pid 3697] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3697, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 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, child_tidptr=0x555556e0e5d0) = 3700 ./strace-static-x86_64: Process 3700 attached [pid 3700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3700] setpgid(0, 0) = 0 [pid 3700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3700] write(3, "1000", 4) = 4 [pid 3700] close(3) = 0 [pid 3700] memfd_create("syzkaller", 0) = 3 [pid 3700] ftruncate(3, 135266304) = 0 [pid 3700] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3700] pwrite64(3, NULL, 0, 1248) = 0 [pid 3700] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3700] pwrite64(3, NULL, 0, 1600) = 0 [pid 3700] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3700] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3700] pwrite64(3, NULL, 0, 26624) = 0 [pid 3700] pwrite64(3, NULL, 0, 36864) = 0 [pid 3700] pwrite64(3, NULL, 0, 69760) = 0 [pid 3700] pwrite64(3, NULL, 0, 69888) = 0 [pid 3700] pwrite64(3, NULL, 0, 71040) = 0 [pid 3700] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3700] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 3700] ioctl(4, LOOP_CLR_FD) = 0 [pid 3700] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 3700] close(4) = 0 [pid 3700] close(3) = 0 [pid 3700] exit_group(0) = ? [pid 3700] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3700, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3701 [ 53.466612][ T3697] loop0: detected capacity change from 0 to 264192 [ 53.479567][ T3697] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 53.480035][ T3697] EXT4-fs (loop0): get root inode failed [ 53.480049][ T3697] EXT4-fs (loop0): mount failed ./strace-static-x86_64: Process 3701 attached [pid 3701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3701] setpgid(0, 0) = 0 [pid 3701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3701] write(3, "1000", 4) = 4 [pid 3701] close(3) = 0 [pid 3701] memfd_create("syzkaller", 0) = 3 [pid 3701] ftruncate(3, 135266304) = 0 [pid 3701] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3701] pwrite64(3, NULL, 0, 1248) = 0 [pid 3701] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3701] pwrite64(3, NULL, 0, 1600) = 0 [pid 3701] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3701] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3701] pwrite64(3, NULL, 0, 26624) = 0 [pid 3701] pwrite64(3, NULL, 0, 36864) = 0 [pid 3701] pwrite64(3, NULL, 0, 69760) = 0 [pid 3701] pwrite64(3, NULL, 0, 69888) = 0 [pid 3701] pwrite64(3, NULL, 0, 71040) = 0 [pid 3701] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3701] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3701] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3701] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3701] ioctl(4, LOOP_CLR_FD) = 0 [pid 3701] close(4) = 0 [pid 3701] close(3) = 0 [pid 3701] exit_group(0) = ? [pid 3701] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3701, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3704 ./strace-static-x86_64: Process 3704 attached [pid 3704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 53.582024][ T3701] loop0: detected capacity change from 0 to 264192 [ 53.599602][ T3701] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 53.599980][ T3701] EXT4-fs (loop0): get root inode failed [ 53.599992][ T3701] EXT4-fs (loop0): mount failed [pid 3704] setpgid(0, 0) = 0 [pid 3704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3704] write(3, "1000", 4) = 4 [pid 3704] close(3) = 0 [pid 3704] memfd_create("syzkaller", 0) = 3 [pid 3704] ftruncate(3, 135266304) = 0 [pid 3704] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3704] pwrite64(3, NULL, 0, 1248) = 0 [pid 3704] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3704] pwrite64(3, NULL, 0, 1600) = 0 [pid 3704] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3704] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3704] pwrite64(3, NULL, 0, 26624) = 0 [pid 3704] pwrite64(3, NULL, 0, 36864) = 0 [pid 3704] pwrite64(3, NULL, 0, 69760) = 0 [pid 3704] pwrite64(3, NULL, 0, 69888) = 0 [pid 3704] pwrite64(3, NULL, 0, 71040) = 0 [pid 3704] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3704] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3704] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3704] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3704] ioctl(4, LOOP_CLR_FD) = 0 [pid 3704] close(4) = 0 [pid 3704] close(3) = 0 [pid 3704] exit_group(0) = ? [pid 3704] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3704, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3707 ./strace-static-x86_64: Process 3707 attached [pid 3707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3707] setpgid(0, 0) = 0 [pid 3707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3707] write(3, "1000", 4) = 4 [pid 3707] close(3) = 0 [pid 3707] memfd_create("syzkaller", 0) = 3 [pid 3707] ftruncate(3, 135266304) = 0 [pid 3707] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3707] pwrite64(3, NULL, 0, 1248) = 0 [pid 3707] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3707] pwrite64(3, NULL, 0, 1600) = 0 [pid 3707] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3707] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3707] pwrite64(3, NULL, 0, 26624) = 0 [pid 3707] pwrite64(3, NULL, 0, 36864) = 0 [pid 3707] pwrite64(3, NULL, 0, 69760) = 0 [pid 3707] pwrite64(3, NULL, 0, 69888) = 0 [pid 3707] pwrite64(3, NULL, 0, 71040) = 0 [pid 3707] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 53.684532][ T3704] loop0: detected capacity change from 0 to 264192 [ 53.690382][ T3704] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 53.690771][ T3704] EXT4-fs (loop0): get root inode failed [ 53.690783][ T3704] EXT4-fs (loop0): mount failed [pid 3707] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3707] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3707] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3707] ioctl(4, LOOP_CLR_FD) = 0 [pid 3707] close(4) = 0 [pid 3707] close(3) = 0 [pid 3707] exit_group(0) = ? [pid 3707] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3707, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3710 ./strace-static-x86_64: Process 3710 attached [ 53.767807][ T3707] loop0: detected capacity change from 0 to 264192 [ 53.779591][ T3707] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 53.780095][ T3707] EXT4-fs (loop0): get root inode failed [ 53.780175][ T3707] EXT4-fs (loop0): mount failed [pid 3710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3710] setpgid(0, 0) = 0 [pid 3710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3710] write(3, "1000", 4) = 4 [pid 3710] close(3) = 0 [pid 3710] memfd_create("syzkaller", 0) = 3 [pid 3710] ftruncate(3, 135266304) = 0 [pid 3710] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3710] pwrite64(3, NULL, 0, 1248) = 0 [pid 3710] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3710] pwrite64(3, NULL, 0, 1600) = 0 [pid 3710] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3710] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3710] pwrite64(3, NULL, 0, 26624) = 0 [pid 3710] pwrite64(3, NULL, 0, 36864) = 0 [pid 3710] pwrite64(3, NULL, 0, 69760) = 0 [pid 3710] pwrite64(3, NULL, 0, 69888) = 0 [pid 3710] pwrite64(3, NULL, 0, 71040) = 0 [pid 3710] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3710] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3710] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3710] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3710] ioctl(4, LOOP_CLR_FD) = 0 [pid 3710] close(4) = 0 [pid 3710] close(3) = 0 [pid 3710] exit_group(0) = ? [pid 3710] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3710, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3713 ./strace-static-x86_64: Process 3713 attached [pid 3713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3713] setpgid(0, 0) = 0 [pid 3713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3713] write(3, "1000", 4) = 4 [pid 3713] close(3) = 0 [pid 3713] memfd_create("syzkaller", 0) = 3 [pid 3713] ftruncate(3, 135266304) = 0 [pid 3713] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3713] pwrite64(3, NULL, 0, 1248) = 0 [pid 3713] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3713] pwrite64(3, NULL, 0, 1600) = 0 [pid 3713] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [ 53.866389][ T3710] loop0: detected capacity change from 0 to 264192 [ 53.879842][ T3710] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 53.880257][ T3710] EXT4-fs (loop0): get root inode failed [ 53.880271][ T3710] EXT4-fs (loop0): mount failed [pid 3713] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3713] pwrite64(3, NULL, 0, 26624) = 0 [pid 3713] pwrite64(3, NULL, 0, 36864) = 0 [pid 3713] pwrite64(3, NULL, 0, 69760) = 0 [pid 3713] pwrite64(3, NULL, 0, 69888) = 0 [pid 3713] pwrite64(3, NULL, 0, 71040) = 0 [pid 3713] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3713] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3713] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3713] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3713] ioctl(4, LOOP_CLR_FD) = 0 [pid 3713] close(4) = 0 [pid 3713] close(3) = 0 [pid 3713] exit_group(0) = ? [pid 3713] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3713, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3716 ./strace-static-x86_64: Process 3716 attached [pid 3716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3716] setpgid(0, 0) = 0 [pid 3716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3716] write(3, "1000", 4) = 4 [pid 3716] close(3) = 0 [pid 3716] memfd_create("syzkaller", 0) = 3 [pid 3716] ftruncate(3, 135266304) = 0 [pid 3716] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3716] pwrite64(3, NULL, 0, 1248) = 0 [pid 3716] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3716] pwrite64(3, NULL, 0, 1600) = 0 [pid 3716] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3716] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3716] pwrite64(3, NULL, 0, 26624) = 0 [pid 3716] pwrite64(3, NULL, 0, 36864) = 0 [pid 3716] pwrite64(3, NULL, 0, 69760) = 0 [pid 3716] pwrite64(3, NULL, 0, 69888) = 0 [pid 3716] pwrite64(3, NULL, 0, 71040) = 0 [pid 3716] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3716] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3716] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 53.951915][ T3713] loop0: detected capacity change from 0 to 264192 [ 53.967154][ T3713] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 53.968039][ T3713] EXT4-fs (loop0): get root inode failed [ 53.968053][ T3713] EXT4-fs (loop0): mount failed [pid 3716] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3716] ioctl(4, LOOP_CLR_FD) = 0 [pid 3716] close(4) = 0 [pid 3716] close(3) = 0 [pid 3716] exit_group(0) = ? [pid 3716] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3716, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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, child_tidptr=0x555556e0e5d0) = 3719 [ 54.034112][ T3716] loop0: detected capacity change from 0 to 264192 [ 54.060136][ T3716] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated ./strace-static-x86_64: Process 3719 attached [pid 3719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3719] setpgid(0, 0) = 0 [pid 3719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3719] write(3, "1000", 4) = 4 [pid 3719] close(3) = 0 [pid 3719] memfd_create("syzkaller", 0) = 3 [pid 3719] ftruncate(3, 135266304) = 0 [pid 3719] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3719] pwrite64(3, NULL, 0, 1248) = 0 [pid 3719] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3719] pwrite64(3, NULL, 0, 1600) = 0 [pid 3719] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3719] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3719] pwrite64(3, NULL, 0, 26624) = 0 [pid 3719] pwrite64(3, NULL, 0, 36864) = 0 [pid 3719] pwrite64(3, NULL, 0, 69760) = 0 [pid 3719] pwrite64(3, NULL, 0, 69888) = 0 [pid 3719] pwrite64(3, NULL, 0, 71040) = 0 [pid 3719] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3719] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3719] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 54.060987][ T3716] EXT4-fs (loop0): get root inode failed [ 54.061001][ T3716] EXT4-fs (loop0): mount failed [ 54.122853][ T3719] loop0: detected capacity change from 0 to 264192 [pid 3719] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3719] ioctl(4, LOOP_CLR_FD) = 0 [pid 3719] close(4) = 0 [pid 3719] close(3) = 0 [pid 3719] exit_group(0) = ? [pid 3719] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3719, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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, child_tidptr=0x555556e0e5d0) = 3722 ./strace-static-x86_64: Process 3722 attached [pid 3722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3722] setpgid(0, 0) = 0 [pid 3722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3722] write(3, "1000", 4) = 4 [pid 3722] close(3) = 0 [pid 3722] memfd_create("syzkaller", 0) = 3 [pid 3722] ftruncate(3, 135266304) = 0 [pid 3722] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3722] pwrite64(3, NULL, 0, 1248) = 0 [pid 3722] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3722] pwrite64(3, NULL, 0, 1600) = 0 [pid 3722] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3722] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3722] pwrite64(3, NULL, 0, 26624) = 0 [pid 3722] pwrite64(3, NULL, 0, 36864) = 0 [pid 3722] pwrite64(3, NULL, 0, 69760) = 0 [pid 3722] pwrite64(3, NULL, 0, 69888) = 0 [pid 3722] pwrite64(3, NULL, 0, 71040) = 0 [pid 3722] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3722] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3722] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 54.135887][ T3719] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 54.136408][ T3719] EXT4-fs (loop0): get root inode failed [ 54.136423][ T3719] EXT4-fs (loop0): mount failed [pid 3722] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3722] ioctl(4, LOOP_CLR_FD) = 0 [pid 3722] close(4) = 0 [pid 3722] close(3) = 0 [pid 3722] exit_group(0) = ? [pid 3722] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3722, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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, child_tidptr=0x555556e0e5d0) = 3725 ./strace-static-x86_64: Process 3725 attached [pid 3725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3725] setpgid(0, 0) = 0 [pid 3725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3725] write(3, "1000", 4) = 4 [pid 3725] close(3) = 0 [pid 3725] memfd_create("syzkaller", 0) = 3 [pid 3725] ftruncate(3, 135266304) = 0 [pid 3725] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3725] pwrite64(3, NULL, 0, 1248) = 0 [pid 3725] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3725] pwrite64(3, NULL, 0, 1600) = 0 [pid 3725] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3725] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3725] pwrite64(3, NULL, 0, 26624) = 0 [pid 3725] pwrite64(3, NULL, 0, 36864) = 0 [pid 3725] pwrite64(3, NULL, 0, 69760) = 0 [pid 3725] pwrite64(3, NULL, 0, 69888) = 0 [pid 3725] pwrite64(3, NULL, 0, 71040) = 0 [pid 3725] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3725] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3725] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 54.182490][ T3722] loop0: detected capacity change from 0 to 264192 [ 54.199900][ T3722] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 54.200339][ T3722] EXT4-fs (loop0): get root inode failed [ 54.200352][ T3722] EXT4-fs (loop0): mount failed [pid 3725] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3725] ioctl(4, LOOP_CLR_FD) = 0 [pid 3725] close(4) = 0 [pid 3725] close(3) = 0 [pid 3725] exit_group(0) = ? [pid 3725] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3725, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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, child_tidptr=0x555556e0e5d0) = 3728 ./strace-static-x86_64: Process 3728 attached [pid 3728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3728] setpgid(0, 0) = 0 [pid 3728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3728] write(3, "1000", 4) = 4 [pid 3728] close(3) = 0 [pid 3728] memfd_create("syzkaller", 0) = 3 [pid 3728] ftruncate(3, 135266304) = 0 [pid 3728] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3728] pwrite64(3, NULL, 0, 1248) = 0 [pid 3728] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3728] pwrite64(3, NULL, 0, 1600) = 0 [pid 3728] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3728] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3728] pwrite64(3, NULL, 0, 26624) = 0 [pid 3728] pwrite64(3, NULL, 0, 36864) = 0 [pid 3728] pwrite64(3, NULL, 0, 69760) = 0 [pid 3728] pwrite64(3, NULL, 0, 69888) = 0 [pid 3728] pwrite64(3, NULL, 0, 71040) = 0 [pid 3728] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3728] ioctl(4, LOOP_SET_FD, 3) = 0 [ 54.244241][ T3725] loop0: detected capacity change from 0 to 264192 [ 54.259532][ T3725] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 54.260039][ T3725] EXT4-fs (loop0): get root inode failed [ 54.260054][ T3725] EXT4-fs (loop0): mount failed [pid 3728] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3728] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3728] ioctl(4, LOOP_CLR_FD) = 0 [pid 3728] close(4) = 0 [pid 3728] close(3) = 0 [pid 3728] exit_group(0) = ? [pid 3728] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3728, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 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, child_tidptr=0x555556e0e5d0) = 3731 ./strace-static-x86_64: Process 3731 attached [pid 3731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3731] setpgid(0, 0) = 0 [pid 3731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3731] write(3, "1000", 4) = 4 [pid 3731] close(3) = 0 [pid 3731] memfd_create("syzkaller", 0) = 3 [pid 3731] ftruncate(3, 135266304) = 0 [pid 3731] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3731] pwrite64(3, NULL, 0, 1248) = 0 [pid 3731] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3731] pwrite64(3, NULL, 0, 1600) = 0 [pid 3731] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3731] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3731] pwrite64(3, NULL, 0, 26624) = 0 [pid 3731] pwrite64(3, NULL, 0, 36864) = 0 [pid 3731] pwrite64(3, NULL, 0, 69760) = 0 [pid 3731] pwrite64(3, NULL, 0, 69888) = 0 [pid 3731] pwrite64(3, NULL, 0, 71040) = 0 [pid 3731] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3731] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3731] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 54.328776][ T3728] loop0: detected capacity change from 0 to 264192 [ 54.349724][ T3728] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 54.350809][ T3728] EXT4-fs (loop0): get root inode failed [ 54.350882][ T3728] EXT4-fs (loop0): mount failed [pid 3731] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3731] ioctl(4, LOOP_CLR_FD) = 0 [pid 3731] close(4) = 0 [pid 3731] close(3) = 0 [pid 3731] exit_group(0) = ? [pid 3731] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3731, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 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, child_tidptr=0x555556e0e5d0) = 3734 ./strace-static-x86_64: Process 3734 attached [pid 3734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3734] setpgid(0, 0) = 0 [pid 3734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3734] write(3, "1000", 4) = 4 [pid 3734] close(3) = 0 [pid 3734] memfd_create("syzkaller", 0) = 3 [pid 3734] ftruncate(3, 135266304) = 0 [pid 3734] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3734] pwrite64(3, NULL, 0, 1248) = 0 [pid 3734] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3734] pwrite64(3, NULL, 0, 1600) = 0 [pid 3734] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3734] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3734] pwrite64(3, NULL, 0, 26624) = 0 [pid 3734] pwrite64(3, NULL, 0, 36864) = 0 [pid 3734] pwrite64(3, NULL, 0, 69760) = 0 [pid 3734] pwrite64(3, NULL, 0, 69888) = 0 [pid 3734] pwrite64(3, NULL, 0, 71040) = 0 [pid 3734] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3734] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3734] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 54.393670][ T3731] loop0: detected capacity change from 0 to 264192 [ 54.407404][ T3731] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 54.407869][ T3731] EXT4-fs (loop0): get root inode failed [ 54.407882][ T3731] EXT4-fs (loop0): mount failed [pid 3734] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3734] ioctl(4, LOOP_CLR_FD) = 0 [pid 3734] close(4) = 0 [pid 3734] close(3) = 0 [pid 3734] exit_group(0) = ? [pid 3734] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3734, si_uid=0, si_status=0, si_utime=0, si_stime=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 3737 attached , child_tidptr=0x555556e0e5d0) = 3737 [pid 3737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3737] setpgid(0, 0) = 0 [pid 3737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3737] write(3, "1000", 4) = 4 [pid 3737] close(3) = 0 [pid 3737] memfd_create("syzkaller", 0) = 3 [pid 3737] ftruncate(3, 135266304) = 0 [pid 3737] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3737] pwrite64(3, NULL, 0, 1248) = 0 [pid 3737] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3737] pwrite64(3, NULL, 0, 1600) = 0 [pid 3737] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3737] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3737] pwrite64(3, NULL, 0, 26624) = 0 [pid 3737] pwrite64(3, NULL, 0, 36864) = 0 [pid 3737] pwrite64(3, NULL, 0, 69760) = 0 [pid 3737] pwrite64(3, NULL, 0, 69888) = 0 [ 54.469482][ T3734] loop0: detected capacity change from 0 to 264192 [ 54.489661][ T3734] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 54.490081][ T3734] EXT4-fs (loop0): get root inode failed [ 54.490094][ T3734] EXT4-fs (loop0): mount failed [pid 3737] pwrite64(3, NULL, 0, 71040) = 0 [pid 3737] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3737] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3737] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3737] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3737] ioctl(4, LOOP_CLR_FD) = 0 [pid 3737] close(4) = 0 [pid 3737] close(3) = 0 [pid 3737] exit_group(0) = ? [pid 3737] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3737, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3740 ./strace-static-x86_64: Process 3740 attached [pid 3740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3740] setpgid(0, 0) = 0 [ 54.561170][ T3737] loop0: detected capacity change from 0 to 264192 [ 54.581988][ T3737] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 54.582528][ T3737] EXT4-fs (loop0): get root inode failed [pid 3740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3740] write(3, "1000", 4) = 4 [pid 3740] close(3) = 0 [pid 3740] memfd_create("syzkaller", 0) = 3 [pid 3740] ftruncate(3, 135266304) = 0 [pid 3740] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3740] pwrite64(3, NULL, 0, 1248) = 0 [pid 3740] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3740] pwrite64(3, NULL, 0, 1600) = 0 [pid 3740] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3740] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3740] pwrite64(3, NULL, 0, 26624) = 0 [pid 3740] pwrite64(3, NULL, 0, 36864) = 0 [pid 3740] pwrite64(3, NULL, 0, 69760) = 0 [pid 3740] pwrite64(3, NULL, 0, 69888) = 0 [pid 3740] pwrite64(3, NULL, 0, 71040) = 0 [pid 3740] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3740] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3740] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 54.582542][ T3737] EXT4-fs (loop0): mount failed [pid 3740] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3740] ioctl(4, LOOP_CLR_FD) = 0 [pid 3740] close(4) = 0 [pid 3740] close(3) = 0 [pid 3740] exit_group(0) = ? [pid 3740] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3740, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 54.638710][ T3740] loop0: detected capacity change from 0 to 264192 [ 54.656382][ T3740] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 54.656856][ T3740] EXT4-fs (loop0): get root inode failed [ 54.656870][ T3740] EXT4-fs (loop0): mount failed close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3743 ./strace-static-x86_64: Process 3743 attached [pid 3743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3743] setpgid(0, 0) = 0 [pid 3743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3743] write(3, "1000", 4) = 4 [pid 3743] close(3) = 0 [pid 3743] memfd_create("syzkaller", 0) = 3 [pid 3743] ftruncate(3, 135266304) = 0 [pid 3743] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3743] pwrite64(3, NULL, 0, 1248) = 0 [pid 3743] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3743] pwrite64(3, NULL, 0, 1600) = 0 [pid 3743] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3743] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3743] pwrite64(3, NULL, 0, 26624) = 0 [pid 3743] pwrite64(3, NULL, 0, 36864) = 0 [pid 3743] pwrite64(3, NULL, 0, 69760) = 0 [pid 3743] pwrite64(3, NULL, 0, 69888) = 0 [pid 3743] pwrite64(3, NULL, 0, 71040) = 0 [pid 3743] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3743] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3743] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3743] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3743] ioctl(4, LOOP_CLR_FD) = 0 [pid 3743] close(4) = 0 [pid 3743] close(3) = 0 [pid 3743] exit_group(0) = ? [pid 3743] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3743, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3746 ./strace-static-x86_64: Process 3746 attached [pid 3746] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3746] setpgid(0, 0) = 0 [pid 3746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3746] write(3, "1000", 4) = 4 [pid 3746] close(3) = 0 [pid 3746] memfd_create("syzkaller", 0) = 3 [pid 3746] ftruncate(3, 135266304) = 0 [pid 3746] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3746] pwrite64(3, NULL, 0, 1248) = 0 [pid 3746] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3746] pwrite64(3, NULL, 0, 1600) = 0 [pid 3746] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3746] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3746] pwrite64(3, NULL, 0, 26624) = 0 [pid 3746] pwrite64(3, NULL, 0, 36864) = 0 [pid 3746] pwrite64(3, NULL, 0, 69760) = 0 [pid 3746] pwrite64(3, NULL, 0, 69888) = 0 [pid 3746] pwrite64(3, NULL, 0, 71040) = 0 [pid 3746] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3746] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3746] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 54.758746][ T3743] loop0: detected capacity change from 0 to 264192 [ 54.776389][ T3743] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 54.776911][ T3743] EXT4-fs (loop0): get root inode failed [ 54.776961][ T3743] EXT4-fs (loop0): mount failed [pid 3746] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3746] ioctl(4, LOOP_CLR_FD) = 0 [pid 3746] close(4) = 0 [pid 3746] close(3) = 0 [pid 3746] exit_group(0) = ? [pid 3746] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3746, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3749 ./strace-static-x86_64: Process 3749 attached [pid 3749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3749] setpgid(0, 0) = 0 [pid 3749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3749] write(3, "1000", 4) = 4 [pid 3749] close(3) = 0 [pid 3749] memfd_create("syzkaller", 0) = 3 [pid 3749] ftruncate(3, 135266304) = 0 [pid 3749] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3749] pwrite64(3, NULL, 0, 1248) = 0 [pid 3749] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3749] pwrite64(3, NULL, 0, 1600) = 0 [pid 3749] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3749] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3749] pwrite64(3, NULL, 0, 26624) = 0 [pid 3749] pwrite64(3, NULL, 0, 36864) = 0 [ 54.834558][ T3746] loop0: detected capacity change from 0 to 264192 [ 54.839949][ T3746] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 54.840342][ T3746] EXT4-fs (loop0): get root inode failed [ 54.840354][ T3746] EXT4-fs (loop0): mount failed [pid 3749] pwrite64(3, NULL, 0, 69760) = 0 [pid 3749] pwrite64(3, NULL, 0, 69888) = 0 [pid 3749] pwrite64(3, NULL, 0, 71040) = 0 [pid 3749] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3749] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3749] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3749] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3749] ioctl(4, LOOP_CLR_FD) = 0 [pid 3749] close(4) = 0 [pid 3749] close(3) = 0 [pid 3749] exit_group(0) = ? [pid 3749] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3749, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3752 ./strace-static-x86_64: Process 3752 attached [pid 3752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3752] setpgid(0, 0) = 0 [pid 3752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3752] write(3, "1000", 4) = 4 [pid 3752] close(3) = 0 [pid 3752] memfd_create("syzkaller", 0) = 3 [pid 3752] ftruncate(3, 135266304) = 0 [pid 3752] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3752] pwrite64(3, NULL, 0, 1248) = 0 [pid 3752] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3752] pwrite64(3, NULL, 0, 1600) = 0 [pid 3752] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3752] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3752] pwrite64(3, NULL, 0, 26624) = 0 [pid 3752] pwrite64(3, NULL, 0, 36864) = 0 [pid 3752] pwrite64(3, NULL, 0, 69760) = 0 [pid 3752] pwrite64(3, NULL, 0, 69888) = 0 [pid 3752] pwrite64(3, NULL, 0, 71040) = 0 [pid 3752] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3752] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3752] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 54.920106][ T3749] loop0: detected capacity change from 0 to 264192 [ 54.930091][ T3749] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 54.930486][ T3749] EXT4-fs (loop0): get root inode failed [ 54.930498][ T3749] EXT4-fs (loop0): mount failed [pid 3752] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3752] ioctl(4, LOOP_CLR_FD) = 0 [pid 3752] close(4) = 0 [pid 3752] close(3) = 0 [pid 3752] exit_group(0) = ? [pid 3752] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3752, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3755 ./strace-static-x86_64: Process 3755 attached [pid 3755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3755] setpgid(0, 0) = 0 [pid 3755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3755] write(3, "1000", 4) = 4 [pid 3755] close(3) = 0 [pid 3755] memfd_create("syzkaller", 0) = 3 [pid 3755] ftruncate(3, 135266304) = 0 [pid 3755] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3755] pwrite64(3, NULL, 0, 1248) = 0 [pid 3755] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3755] pwrite64(3, NULL, 0, 1600) = 0 [pid 3755] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3755] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3755] pwrite64(3, NULL, 0, 26624) = 0 [pid 3755] pwrite64(3, NULL, 0, 36864) = 0 [pid 3755] pwrite64(3, NULL, 0, 69760) = 0 [pid 3755] pwrite64(3, NULL, 0, 69888) = 0 [pid 3755] pwrite64(3, NULL, 0, 71040) = 0 [pid 3755] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3755] ioctl(4, LOOP_SET_FD, 3) = 0 [ 54.993241][ T3752] loop0: detected capacity change from 0 to 264192 [ 55.000002][ T3752] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 55.000383][ T3752] EXT4-fs (loop0): get root inode failed [ 55.000395][ T3752] EXT4-fs (loop0): mount failed [pid 3755] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3755] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3755] ioctl(4, LOOP_CLR_FD) = 0 [pid 3755] close(4) = 0 [pid 3755] close(3) = 0 [pid 3755] exit_group(0) = ? [pid 3755] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3755, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 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, child_tidptr=0x555556e0e5d0) = 3758 ./strace-static-x86_64: Process 3758 attached [pid 3758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3758] setpgid(0, 0) = 0 [pid 3758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3758] write(3, "1000", 4) = 4 [pid 3758] close(3) = 0 [pid 3758] memfd_create("syzkaller", 0) = 3 [pid 3758] ftruncate(3, 135266304) = 0 [pid 3758] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3758] pwrite64(3, NULL, 0, 1248) = 0 [pid 3758] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3758] pwrite64(3, NULL, 0, 1600) = 0 [pid 3758] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3758] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3758] pwrite64(3, NULL, 0, 26624) = 0 [pid 3758] pwrite64(3, NULL, 0, 36864) = 0 [pid 3758] pwrite64(3, NULL, 0, 69760) = 0 [pid 3758] pwrite64(3, NULL, 0, 69888) = 0 [pid 3758] pwrite64(3, NULL, 0, 71040) = 0 [pid 3758] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3758] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3758] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 55.075851][ T3755] loop0: detected capacity change from 0 to 264192 [ 55.089651][ T3755] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [pid 3758] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [ 55.090087][ T3755] EXT4-fs (loop0): get root inode failed [ 55.090100][ T3755] EXT4-fs (loop0): mount failed [ 55.140370][ T3758] loop0: detected capacity change from 0 to 264192 [ 55.165243][ T3758] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 55.165842][ T3758] EXT4-fs (loop0): get root inode failed [ 55.165856][ T3758] EXT4-fs (loop0): mount failed [pid 3758] ioctl(4, LOOP_CLR_FD) = 0 [pid 3758] close(4) = 0 [pid 3758] close(3) = 0 [pid 3758] exit_group(0) = ? [pid 3758] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3758, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3761 ./strace-static-x86_64: Process 3761 attached [pid 3761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3761] setpgid(0, 0) = 0 [pid 3761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3761] write(3, "1000", 4) = 4 [pid 3761] close(3) = 0 [pid 3761] memfd_create("syzkaller", 0) = 3 [pid 3761] ftruncate(3, 135266304) = 0 [pid 3761] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3761] pwrite64(3, NULL, 0, 1248) = 0 [pid 3761] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3761] pwrite64(3, NULL, 0, 1600) = 0 [pid 3761] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3761] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3761] pwrite64(3, NULL, 0, 26624) = 0 [pid 3761] pwrite64(3, NULL, 0, 36864) = 0 [pid 3761] pwrite64(3, NULL, 0, 69760) = 0 [pid 3761] pwrite64(3, NULL, 0, 69888) = 0 [pid 3761] pwrite64(3, NULL, 0, 71040) = 0 [pid 3761] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3761] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3761] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3761] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3761] ioctl(4, LOOP_CLR_FD) = 0 [pid 3761] close(4) = 0 [pid 3761] close(3) = 0 [pid 3761] exit_group(0) = ? [pid 3761] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3761, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3764 ./strace-static-x86_64: Process 3764 attached [pid 3764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3764] setpgid(0, 0) = 0 [pid 3764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3764] write(3, "1000", 4) = 4 [pid 3764] close(3) = 0 [pid 3764] memfd_create("syzkaller", 0) = 3 [pid 3764] ftruncate(3, 135266304) = 0 [pid 3764] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3764] pwrite64(3, NULL, 0, 1248) = 0 [pid 3764] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3764] pwrite64(3, NULL, 0, 1600) = 0 [pid 3764] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3764] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3764] pwrite64(3, NULL, 0, 26624) = 0 [pid 3764] pwrite64(3, NULL, 0, 36864) = 0 [pid 3764] pwrite64(3, NULL, 0, 69760) = 0 [pid 3764] pwrite64(3, NULL, 0, 69888) = 0 [pid 3764] pwrite64(3, NULL, 0, 71040) = 0 [pid 3764] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3764] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3764] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 55.264991][ T3761] loop0: detected capacity change from 0 to 264192 [ 55.280093][ T3761] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 55.280473][ T3761] EXT4-fs (loop0): get root inode failed [ 55.280482][ T3761] EXT4-fs (loop0): mount failed [pid 3764] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3764] ioctl(4, LOOP_CLR_FD) = 0 [pid 3764] close(4) = 0 [pid 3764] close(3) = 0 [pid 3764] exit_group(0) = ? [pid 3764] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3764, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3767 ./strace-static-x86_64: Process 3767 attached [pid 3767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3767] setpgid(0, 0) = 0 [pid 3767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3767] write(3, "1000", 4) = 4 [pid 3767] close(3) = 0 [pid 3767] memfd_create("syzkaller", 0) = 3 [pid 3767] ftruncate(3, 135266304) = 0 [pid 3767] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3767] pwrite64(3, NULL, 0, 1248) = 0 [ 55.332664][ T3764] loop0: detected capacity change from 0 to 264192 [ 55.346472][ T3764] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 55.346970][ T3764] EXT4-fs (loop0): get root inode failed [ 55.346985][ T3764] EXT4-fs (loop0): mount failed [pid 3767] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3767] pwrite64(3, NULL, 0, 1600) = 0 [pid 3767] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3767] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3767] pwrite64(3, NULL, 0, 26624) = 0 [pid 3767] pwrite64(3, NULL, 0, 36864) = 0 [pid 3767] pwrite64(3, NULL, 0, 69760) = 0 [pid 3767] pwrite64(3, NULL, 0, 69888) = 0 [pid 3767] pwrite64(3, NULL, 0, 71040) = 0 [pid 3767] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3767] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3767] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3767] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3767] ioctl(4, LOOP_CLR_FD) = 0 [pid 3767] close(4) = 0 [pid 3767] close(3) = 0 [pid 3767] exit_group(0) = ? [pid 3767] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3767, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3770 ./strace-static-x86_64: Process 3770 attached [pid 3770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3770] setpgid(0, 0) = 0 [pid 3770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3770] write(3, "1000", 4) = 4 [ 55.429351][ T3767] loop0: detected capacity change from 0 to 264192 [ 55.450437][ T3767] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 55.450940][ T3767] EXT4-fs (loop0): get root inode failed [ 55.450950][ T3767] EXT4-fs (loop0): mount failed [pid 3770] close(3) = 0 [pid 3770] memfd_create("syzkaller", 0) = 3 [pid 3770] ftruncate(3, 135266304) = 0 [pid 3770] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3770] pwrite64(3, NULL, 0, 1248) = 0 [pid 3770] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3770] pwrite64(3, NULL, 0, 1600) = 0 [pid 3770] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3770] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3770] pwrite64(3, NULL, 0, 26624) = 0 [pid 3770] pwrite64(3, NULL, 0, 36864) = 0 [pid 3770] pwrite64(3, NULL, 0, 69760) = 0 [pid 3770] pwrite64(3, NULL, 0, 69888) = 0 [pid 3770] pwrite64(3, NULL, 0, 71040) = 0 [pid 3770] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3770] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3770] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3770] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3770] ioctl(4, LOOP_CLR_FD) = 0 [pid 3770] close(4) = 0 [pid 3770] close(3) = 0 [pid 3770] exit_group(0) = ? [pid 3770] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3770, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3773 ./strace-static-x86_64: Process 3773 attached [pid 3773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3773] setpgid(0, 0) = 0 [pid 3773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3773] write(3, "1000", 4) = 4 [pid 3773] close(3) = 0 [pid 3773] memfd_create("syzkaller", 0) = 3 [pid 3773] ftruncate(3, 135266304) = 0 [pid 3773] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3773] pwrite64(3, NULL, 0, 1248) = 0 [pid 3773] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3773] pwrite64(3, NULL, 0, 1600) = 0 [pid 3773] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3773] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3773] pwrite64(3, NULL, 0, 26624) = 0 [pid 3773] pwrite64(3, NULL, 0, 36864) = 0 [pid 3773] pwrite64(3, NULL, 0, 69760) = 0 [pid 3773] pwrite64(3, NULL, 0, 69888) = 0 [pid 3773] pwrite64(3, NULL, 0, 71040) = 0 [pid 3773] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3773] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3773] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 55.523314][ T3770] loop0: detected capacity change from 0 to 264192 [ 55.531808][ T3770] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 55.532200][ T3770] EXT4-fs (loop0): get root inode failed [ 55.532213][ T3770] EXT4-fs (loop0): mount failed [pid 3773] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3773] ioctl(4, LOOP_CLR_FD) = 0 [pid 3773] close(4) = 0 [pid 3773] close(3) = 0 [pid 3773] exit_group(0) = ? [pid 3773] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3773, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3776 ./strace-static-x86_64: Process 3776 attached [pid 3776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3776] setpgid(0, 0) = 0 [pid 3776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3776] write(3, "1000", 4) = 4 [pid 3776] close(3) = 0 [pid 3776] memfd_create("syzkaller", 0) = 3 [pid 3776] ftruncate(3, 135266304) = 0 [pid 3776] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3776] pwrite64(3, NULL, 0, 1248) = 0 [pid 3776] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3776] pwrite64(3, NULL, 0, 1600) = 0 [pid 3776] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3776] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3776] pwrite64(3, NULL, 0, 26624) = 0 [pid 3776] pwrite64(3, NULL, 0, 36864) = 0 [pid 3776] pwrite64(3, NULL, 0, 69760) = 0 [pid 3776] pwrite64(3, NULL, 0, 69888) = 0 [pid 3776] pwrite64(3, NULL, 0, 71040) = 0 [pid 3776] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3776] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3776] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 55.604613][ T3773] loop0: detected capacity change from 0 to 264192 [ 55.619469][ T3773] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 55.620015][ T3773] EXT4-fs (loop0): get root inode failed [ 55.620025][ T3773] EXT4-fs (loop0): mount failed [pid 3776] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3776] ioctl(4, LOOP_CLR_FD) = 0 [pid 3776] close(4) = 0 [pid 3776] close(3) = 0 [pid 3776] exit_group(0) = ? [pid 3776] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3776, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3779 ./strace-static-x86_64: Process 3779 attached [pid 3779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3779] setpgid(0, 0) = 0 [pid 3779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3779] write(3, "1000", 4) = 4 [pid 3779] close(3) = 0 [pid 3779] memfd_create("syzkaller", 0) = 3 [pid 3779] ftruncate(3, 135266304) = 0 [pid 3779] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3779] pwrite64(3, NULL, 0, 1248) = 0 [pid 3779] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3779] pwrite64(3, NULL, 0, 1600) = 0 [pid 3779] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3779] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3779] pwrite64(3, NULL, 0, 26624) = 0 [pid 3779] pwrite64(3, NULL, 0, 36864) = 0 [pid 3779] pwrite64(3, NULL, 0, 69760) = 0 [pid 3779] pwrite64(3, NULL, 0, 69888) = 0 [pid 3779] pwrite64(3, NULL, 0, 71040) = 0 [pid 3779] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 55.685112][ T3776] loop0: detected capacity change from 0 to 264192 [ 55.700314][ T3776] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 55.700757][ T3776] EXT4-fs (loop0): get root inode failed [ 55.700770][ T3776] EXT4-fs (loop0): mount failed [pid 3779] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3779] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3779] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3779] ioctl(4, LOOP_CLR_FD) = 0 [pid 3779] close(4) = 0 [pid 3779] close(3) = 0 [pid 3779] exit_group(0) = ? [pid 3779] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3779, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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, child_tidptr=0x555556e0e5d0) = 3782 ./strace-static-x86_64: Process 3782 attached [ 55.767764][ T3779] loop0: detected capacity change from 0 to 264192 [ 55.792016][ T3779] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 55.792915][ T3779] EXT4-fs (loop0): get root inode failed [pid 3782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3782] setpgid(0, 0) = 0 [pid 3782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3782] write(3, "1000", 4) = 4 [pid 3782] close(3) = 0 [pid 3782] memfd_create("syzkaller", 0) = 3 [pid 3782] ftruncate(3, 135266304) = 0 [pid 3782] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3782] pwrite64(3, NULL, 0, 1248) = 0 [pid 3782] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3782] pwrite64(3, NULL, 0, 1600) = 0 [pid 3782] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3782] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3782] pwrite64(3, NULL, 0, 26624) = 0 [pid 3782] pwrite64(3, NULL, 0, 36864) = 0 [pid 3782] pwrite64(3, NULL, 0, 69760) = 0 [pid 3782] pwrite64(3, NULL, 0, 69888) = 0 [pid 3782] pwrite64(3, NULL, 0, 71040) = 0 [pid 3782] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3782] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3782] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 55.792928][ T3779] EXT4-fs (loop0): mount failed [ 55.832116][ T3782] loop0: detected capacity change from 0 to 264192 [pid 3782] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3782] ioctl(4, LOOP_CLR_FD) = 0 [pid 3782] close(4) = 0 [pid 3782] close(3) = 0 [pid 3782] exit_group(0) = ? [pid 3782] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3782, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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, child_tidptr=0x555556e0e5d0) = 3785 ./strace-static-x86_64: Process 3785 attached [pid 3785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3785] setpgid(0, 0) = 0 [pid 3785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3785] write(3, "1000", 4) = 4 [pid 3785] close(3) = 0 [pid 3785] memfd_create("syzkaller", 0) = 3 [pid 3785] ftruncate(3, 135266304) = 0 [pid 3785] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3785] pwrite64(3, NULL, 0, 1248) = 0 [pid 3785] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3785] pwrite64(3, NULL, 0, 1600) = 0 [pid 3785] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3785] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3785] pwrite64(3, NULL, 0, 26624) = 0 [pid 3785] pwrite64(3, NULL, 0, 36864) = 0 [pid 3785] pwrite64(3, NULL, 0, 69760) = 0 [pid 3785] pwrite64(3, NULL, 0, 69888) = 0 [pid 3785] pwrite64(3, NULL, 0, 71040) = 0 [pid 3785] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3785] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 3785] ioctl(4, LOOP_CLR_FD) = 0 [pid 3785] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 3785] close(4) = 0 [pid 3785] close(3) = 0 [pid 3785] exit_group(0) = ? [pid 3785] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3785, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3786 ./strace-static-x86_64: Process 3786 attached [pid 3786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3786] setpgid(0, 0) = 0 [pid 3786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3786] write(3, "1000", 4) = 4 [pid 3786] close(3) = 0 [pid 3786] memfd_create("syzkaller", 0) = 3 [pid 3786] ftruncate(3, 135266304) = 0 [pid 3786] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3786] pwrite64(3, NULL, 0, 1248) = 0 [pid 3786] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3786] pwrite64(3, NULL, 0, 1600) = 0 [pid 3786] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [ 55.851482][ T3782] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 55.852257][ T3782] EXT4-fs (loop0): get root inode failed [ 55.852272][ T3782] EXT4-fs (loop0): mount failed [pid 3786] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3786] pwrite64(3, NULL, 0, 26624) = 0 [pid 3786] pwrite64(3, NULL, 0, 36864) = 0 [pid 3786] pwrite64(3, NULL, 0, 69760) = 0 [pid 3786] pwrite64(3, NULL, 0, 69888) = 0 [pid 3786] pwrite64(3, NULL, 0, 71040) = 0 [pid 3786] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3786] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3786] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3786] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3786] ioctl(4, LOOP_CLR_FD) = 0 [pid 3786] close(4) = 0 [pid 3786] close(3) = 0 [pid 3786] exit_group(0) = ? [pid 3786] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3786, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3789 ./strace-static-x86_64: Process 3789 attached [pid 3789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3789] setpgid(0, 0) = 0 [pid 3789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3789] write(3, "1000", 4) = 4 [pid 3789] close(3) = 0 [pid 3789] memfd_create("syzkaller", 0) = 3 [pid 3789] ftruncate(3, 135266304) = 0 [pid 3789] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3789] pwrite64(3, NULL, 0, 1248) = 0 [pid 3789] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3789] pwrite64(3, NULL, 0, 1600) = 0 [pid 3789] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3789] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3789] pwrite64(3, NULL, 0, 26624) = 0 [pid 3789] pwrite64(3, NULL, 0, 36864) = 0 [pid 3789] pwrite64(3, NULL, 0, 69760) = 0 [pid 3789] pwrite64(3, NULL, 0, 69888) = 0 [pid 3789] pwrite64(3, NULL, 0, 71040) = 0 [pid 3789] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 55.941903][ T3786] loop0: detected capacity change from 0 to 264192 [ 55.959572][ T3786] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 55.959922][ T3786] EXT4-fs (loop0): get root inode failed [ 55.959931][ T3786] EXT4-fs (loop0): mount failed [pid 3789] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3789] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3789] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [ 56.018705][ T3789] loop0: detected capacity change from 0 to 264192 [ 56.049624][ T3789] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 56.050191][ T3789] EXT4-fs (loop0): get root inode failed [pid 3789] ioctl(4, LOOP_CLR_FD) = 0 [pid 3789] close(4) = 0 [pid 3789] close(3) = 0 [pid 3789] exit_group(0) = ? [pid 3789] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3789, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3792 ./strace-static-x86_64: Process 3792 attached [pid 3792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3792] setpgid(0, 0) = 0 [pid 3792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3792] write(3, "1000", 4) = 4 [pid 3792] close(3) = 0 [pid 3792] memfd_create("syzkaller", 0) = 3 [pid 3792] ftruncate(3, 135266304) = 0 [pid 3792] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3792] pwrite64(3, NULL, 0, 1248) = 0 [pid 3792] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3792] pwrite64(3, NULL, 0, 1600) = 0 [pid 3792] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3792] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3792] pwrite64(3, NULL, 0, 26624) = 0 [pid 3792] pwrite64(3, NULL, 0, 36864) = 0 [pid 3792] pwrite64(3, NULL, 0, 69760) = 0 [pid 3792] pwrite64(3, NULL, 0, 69888) = 0 [pid 3792] pwrite64(3, NULL, 0, 71040) = 0 [pid 3792] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3792] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3792] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 56.050200][ T3789] EXT4-fs (loop0): mount failed [pid 3792] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3792] ioctl(4, LOOP_CLR_FD) = 0 [pid 3792] close(4) = 0 [pid 3792] close(3) = 0 [pid 3792] exit_group(0) = ? [pid 3792] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3792, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3795 ./strace-static-x86_64: Process 3795 attached [pid 3795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3795] setpgid(0, 0) = 0 [ 56.113754][ T3792] loop0: detected capacity change from 0 to 264192 [ 56.129819][ T3792] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 56.130381][ T3792] EXT4-fs (loop0): get root inode failed [ 56.130390][ T3792] EXT4-fs (loop0): mount failed [pid 3795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3795] write(3, "1000", 4) = 4 [pid 3795] close(3) = 0 [pid 3795] memfd_create("syzkaller", 0) = 3 [pid 3795] ftruncate(3, 135266304) = 0 [pid 3795] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3795] pwrite64(3, NULL, 0, 1248) = 0 [pid 3795] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3795] pwrite64(3, NULL, 0, 1600) = 0 [pid 3795] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3795] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3795] pwrite64(3, NULL, 0, 26624) = 0 [pid 3795] pwrite64(3, NULL, 0, 36864) = 0 [pid 3795] pwrite64(3, NULL, 0, 69760) = 0 [pid 3795] pwrite64(3, NULL, 0, 69888) = 0 [pid 3795] pwrite64(3, NULL, 0, 71040) = 0 [pid 3795] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3795] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3795] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3795] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3795] ioctl(4, LOOP_CLR_FD) = 0 [pid 3795] close(4) = 0 [pid 3795] close(3) = 0 [pid 3795] exit_group(0) = ? [pid 3795] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3795, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 56.204621][ T3795] loop0: detected capacity change from 0 to 264192 [ 56.230487][ T3795] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3798 ./strace-static-x86_64: Process 3798 attached [pid 3798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3798] setpgid(0, 0) = 0 [pid 3798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3798] write(3, "1000", 4) = 4 [pid 3798] close(3) = 0 [pid 3798] memfd_create("syzkaller", 0) = 3 [pid 3798] ftruncate(3, 135266304) = 0 [pid 3798] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3798] pwrite64(3, NULL, 0, 1248) = 0 [pid 3798] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3798] pwrite64(3, NULL, 0, 1600) = 0 [pid 3798] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3798] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3798] pwrite64(3, NULL, 0, 26624) = 0 [pid 3798] pwrite64(3, NULL, 0, 36864) = 0 [pid 3798] pwrite64(3, NULL, 0, 69760) = 0 [pid 3798] pwrite64(3, NULL, 0, 69888) = 0 [pid 3798] pwrite64(3, NULL, 0, 71040) = 0 [pid 3798] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3798] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3798] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3798] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [ 56.230956][ T3795] EXT4-fs (loop0): get root inode failed [ 56.230970][ T3795] EXT4-fs (loop0): mount failed [ 56.288753][ T3798] loop0: detected capacity change from 0 to 264192 [pid 3798] ioctl(4, LOOP_CLR_FD) = 0 [pid 3798] close(4) = 0 [pid 3798] close(3) = 0 [pid 3798] exit_group(0) = ? [pid 3798] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3798, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 [ 56.300292][ T3798] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 56.300680][ T3798] EXT4-fs (loop0): get root inode failed [ 56.300693][ T3798] EXT4-fs (loop0): mount failed clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3801 ./strace-static-x86_64: Process 3801 attached [pid 3801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3801] setpgid(0, 0) = 0 [pid 3801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3801] write(3, "1000", 4) = 4 [pid 3801] close(3) = 0 [pid 3801] memfd_create("syzkaller", 0) = 3 [pid 3801] ftruncate(3, 135266304) = 0 [pid 3801] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3801] pwrite64(3, NULL, 0, 1248) = 0 [pid 3801] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3801] pwrite64(3, NULL, 0, 1600) = 0 [pid 3801] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3801] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3801] pwrite64(3, NULL, 0, 26624) = 0 [pid 3801] pwrite64(3, NULL, 0, 36864) = 0 [pid 3801] pwrite64(3, NULL, 0, 69760) = 0 [pid 3801] pwrite64(3, NULL, 0, 69888) = 0 [pid 3801] pwrite64(3, NULL, 0, 71040) = 0 [pid 3801] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3801] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3801] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3801] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3801] ioctl(4, LOOP_CLR_FD) = 0 [pid 3801] close(4) = 0 [pid 3801] close(3) = 0 [pid 3801] exit_group(0) = ? [pid 3801] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3801, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3804 ./strace-static-x86_64: Process 3804 attached [pid 3804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3804] setpgid(0, 0) = 0 [pid 3804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3804] write(3, "1000", 4) = 4 [pid 3804] close(3) = 0 [pid 3804] memfd_create("syzkaller", 0) = 3 [pid 3804] ftruncate(3, 135266304) = 0 [pid 3804] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3804] pwrite64(3, NULL, 0, 1248) = 0 [pid 3804] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [ 56.387791][ T3801] loop0: detected capacity change from 0 to 264192 [ 56.399662][ T3801] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 56.399928][ T3801] EXT4-fs (loop0): get root inode failed [ 56.399937][ T3801] EXT4-fs (loop0): mount failed [pid 3804] pwrite64(3, NULL, 0, 1600) = 0 [pid 3804] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3804] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3804] pwrite64(3, NULL, 0, 26624) = 0 [pid 3804] pwrite64(3, NULL, 0, 36864) = 0 [pid 3804] pwrite64(3, NULL, 0, 69760) = 0 [pid 3804] pwrite64(3, NULL, 0, 69888) = 0 [pid 3804] pwrite64(3, NULL, 0, 71040) = 0 [pid 3804] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3804] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3804] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3804] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [ 56.476329][ T3804] loop0: detected capacity change from 0 to 264192 [ 56.499605][ T3804] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 56.499872][ T3804] EXT4-fs (loop0): get root inode failed [pid 3804] ioctl(4, LOOP_CLR_FD) = 0 [pid 3804] close(4) = 0 [pid 3804] close(3) = 0 [pid 3804] exit_group(0) = ? [pid 3804] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3804, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3807 ./strace-static-x86_64: Process 3807 attached [pid 3807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3807] setpgid(0, 0) = 0 [pid 3807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3807] write(3, "1000", 4) = 4 [pid 3807] close(3) = 0 [pid 3807] memfd_create("syzkaller", 0) = 3 [pid 3807] ftruncate(3, 135266304) = 0 [pid 3807] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3807] pwrite64(3, NULL, 0, 1248) = 0 [ 56.499880][ T3804] EXT4-fs (loop0): mount failed [pid 3807] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3807] pwrite64(3, NULL, 0, 1600) = 0 [pid 3807] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3807] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3807] pwrite64(3, NULL, 0, 26624) = 0 [pid 3807] pwrite64(3, NULL, 0, 36864) = 0 [pid 3807] pwrite64(3, NULL, 0, 69760) = 0 [pid 3807] pwrite64(3, NULL, 0, 69888) = 0 [pid 3807] pwrite64(3, NULL, 0, 71040) = 0 [pid 3807] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3807] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3807] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3807] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3807] ioctl(4, LOOP_CLR_FD) = 0 [pid 3807] close(4) = 0 [pid 3807] close(3) = 0 [pid 3807] exit_group(0) = ? [pid 3807] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3807, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3810 ./strace-static-x86_64: Process 3810 attached [pid 3810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3810] setpgid(0, 0) = 0 [pid 3810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3810] write(3, "1000", 4) = 4 [pid 3810] close(3) = 0 [pid 3810] memfd_create("syzkaller", 0) = 3 [pid 3810] ftruncate(3, 135266304) = 0 [pid 3810] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3810] pwrite64(3, NULL, 0, 1248) = 0 [pid 3810] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3810] pwrite64(3, NULL, 0, 1600) = 0 [pid 3810] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3810] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3810] pwrite64(3, NULL, 0, 26624) = 0 [pid 3810] pwrite64(3, NULL, 0, 36864) = 0 [pid 3810] pwrite64(3, NULL, 0, 69760) = 0 [pid 3810] pwrite64(3, NULL, 0, 69888) = 0 [pid 3810] pwrite64(3, NULL, 0, 71040) = 0 [pid 3810] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3810] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3810] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 56.572761][ T3807] loop0: detected capacity change from 0 to 264192 [ 56.580003][ T3807] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 56.580392][ T3807] EXT4-fs (loop0): get root inode failed [ 56.580404][ T3807] EXT4-fs (loop0): mount failed [pid 3810] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3810] ioctl(4, LOOP_CLR_FD) = 0 [pid 3810] close(4) = 0 [pid 3810] close(3) = 0 [pid 3810] exit_group(0) = ? [pid 3810] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3810, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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 3813 attached , child_tidptr=0x555556e0e5d0) = 3813 [pid 3813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3813] setpgid(0, 0) = 0 [pid 3813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3813] write(3, "1000", 4) = 4 [pid 3813] close(3) = 0 [pid 3813] memfd_create("syzkaller", 0) = 3 [pid 3813] ftruncate(3, 135266304) = 0 [pid 3813] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3813] pwrite64(3, NULL, 0, 1248) = 0 [pid 3813] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3813] pwrite64(3, NULL, 0, 1600) = 0 [pid 3813] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3813] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3813] pwrite64(3, NULL, 0, 26624) = 0 [pid 3813] pwrite64(3, NULL, 0, 36864) = 0 [pid 3813] pwrite64(3, NULL, 0, 69760) = 0 [pid 3813] pwrite64(3, NULL, 0, 69888) = 0 [pid 3813] pwrite64(3, NULL, 0, 71040) = 0 [pid 3813] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3813] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3813] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 56.638937][ T3810] loop0: detected capacity change from 0 to 264192 [ 56.650005][ T3810] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 56.650389][ T3810] EXT4-fs (loop0): get root inode failed [ 56.650402][ T3810] EXT4-fs (loop0): mount failed [pid 3813] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3813] ioctl(4, LOOP_CLR_FD) = 0 [pid 3813] close(4) = 0 [pid 3813] close(3) = 0 [pid 3813] exit_group(0) = ? [pid 3813] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3813, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3816 ./strace-static-x86_64: Process 3816 attached [pid 3816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3816] setpgid(0, 0) = 0 [pid 3816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3816] write(3, "1000", 4) = 4 [pid 3816] close(3) = 0 [pid 3816] memfd_create("syzkaller", 0) = 3 [pid 3816] ftruncate(3, 135266304) = 0 [pid 3816] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3816] pwrite64(3, NULL, 0, 1248) = 0 [pid 3816] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3816] pwrite64(3, NULL, 0, 1600) = 0 [pid 3816] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3816] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3816] pwrite64(3, NULL, 0, 26624) = 0 [pid 3816] pwrite64(3, NULL, 0, 36864) = 0 [pid 3816] pwrite64(3, NULL, 0, 69760) = 0 [pid 3816] pwrite64(3, NULL, 0, 69888) = 0 [pid 3816] pwrite64(3, NULL, 0, 71040) = 0 [pid 3816] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3816] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3816] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 56.709534][ T3813] loop0: detected capacity change from 0 to 264192 [ 56.726172][ T3813] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 56.726958][ T3813] EXT4-fs (loop0): get root inode failed [ 56.726972][ T3813] EXT4-fs (loop0): mount failed [pid 3816] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3816] ioctl(4, LOOP_CLR_FD) = 0 [pid 3816] close(4) = 0 [pid 3816] close(3) = 0 [pid 3816] exit_group(0) = ? [pid 3816] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3816, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- 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, child_tidptr=0x555556e0e5d0) = 3819 ./strace-static-x86_64: Process 3819 attached [pid 3819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3819] setpgid(0, 0) = 0 [pid 3819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3819] write(3, "1000", 4) = 4 [pid 3819] close(3) = 0 [pid 3819] memfd_create("syzkaller", 0) = 3 [pid 3819] ftruncate(3, 135266304) = 0 [pid 3819] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3819] pwrite64(3, NULL, 0, 1248) = 0 [pid 3819] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3819] pwrite64(3, NULL, 0, 1600) = 0 [pid 3819] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3819] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3819] pwrite64(3, NULL, 0, 26624) = 0 [pid 3819] pwrite64(3, NULL, 0, 36864) = 0 [pid 3819] pwrite64(3, NULL, 0, 69760) = 0 [pid 3819] pwrite64(3, NULL, 0, 69888) = 0 [pid 3819] pwrite64(3, NULL, 0, 71040) = 0 [pid 3819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3819] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 3819] ioctl(4, LOOP_CLR_FD) = 0 [pid 3819] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 3819] close(4) = 0 [pid 3819] close(3) = 0 [pid 3819] exit_group(0) = ? [pid 3819] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3819, si_uid=0, si_status=0, si_utime=0, si_stime=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, child_tidptr=0x555556e0e5d0) = 3820 ./strace-static-x86_64: Process 3820 attached [pid 3820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3820] setpgid(0, 0) = 0 [pid 3820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3820] write(3, "1000", 4) = 4 [pid 3820] close(3) = 0 [pid 3820] memfd_create("syzkaller", 0) = 3 [pid 3820] ftruncate(3, 135266304) = 0 [pid 3820] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3820] pwrite64(3, NULL, 0, 1248) = 0 [pid 3820] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3820] pwrite64(3, NULL, 0, 1600) = 0 [pid 3820] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3820] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3820] pwrite64(3, NULL, 0, 26624) = 0 [pid 3820] pwrite64(3, NULL, 0, 36864) = 0 [pid 3820] pwrite64(3, NULL, 0, 69760) = 0 [pid 3820] pwrite64(3, NULL, 0, 69888) = 0 [pid 3820] pwrite64(3, NULL, 0, 71040) = 0 [pid 3820] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 56.793566][ T3816] loop0: detected capacity change from 0 to 264192 [ 56.809857][ T3816] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 56.810687][ T3816] EXT4-fs (loop0): get root inode failed [ 56.810702][ T3816] EXT4-fs (loop0): mount failed [pid 3820] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3820] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3820] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [ 56.866771][ T3820] loop0: detected capacity change from 0 to 264192 [ 56.893422][ T3820] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 56.894091][ T3820] EXT4-fs (loop0): get root inode failed [ 56.894106][ T3820] EXT4-fs (loop0): mount failed [pid 3820] ioctl(4, LOOP_CLR_FD) = 0 [pid 3820] close(4) = 0 [pid 3820] close(3) = 0 [pid 3820] exit_group(0) = ? [pid 3820] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3820, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3823 ./strace-static-x86_64: Process 3823 attached [pid 3823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3823] setpgid(0, 0) = 0 [pid 3823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3823] write(3, "1000", 4) = 4 [pid 3823] close(3) = 0 [pid 3823] memfd_create("syzkaller", 0) = 3 [pid 3823] ftruncate(3, 135266304) = 0 [pid 3823] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3823] pwrite64(3, NULL, 0, 1248) = 0 [pid 3823] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3823] pwrite64(3, NULL, 0, 1600) = 0 [pid 3823] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3823] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3823] pwrite64(3, NULL, 0, 26624) = 0 [pid 3823] pwrite64(3, NULL, 0, 36864) = 0 [pid 3823] pwrite64(3, NULL, 0, 69760) = 0 [pid 3823] pwrite64(3, NULL, 0, 69888) = 0 [pid 3823] pwrite64(3, NULL, 0, 71040) = 0 [pid 3823] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3823] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3823] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3823] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3823] ioctl(4, LOOP_CLR_FD) = 0 [pid 3823] close(4) = 0 [pid 3823] close(3) = 0 [pid 3823] exit_group(0) = ? [pid 3823] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3823, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 56.973443][ T3613] I/O error, dev loop0, sector 261104 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0 [ 57.016211][ T3823] loop0: detected capacity change from 0 to 264192 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, child_tidptr=0x555556e0e5d0) = 3826 ./strace-static-x86_64: Process 3826 attached [pid 3826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3826] setpgid(0, 0) = 0 [pid 3826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3826] write(3, "1000", 4) = 4 [pid 3826] close(3) = 0 [pid 3826] memfd_create("syzkaller", 0) = 3 [pid 3826] ftruncate(3, 135266304) = 0 [pid 3826] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3826] pwrite64(3, NULL, 0, 1248) = 0 [pid 3826] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3826] pwrite64(3, NULL, 0, 1600) = 0 [pid 3826] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3826] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3826] pwrite64(3, NULL, 0, 26624) = 0 [pid 3826] pwrite64(3, NULL, 0, 36864) = 0 [pid 3826] pwrite64(3, NULL, 0, 69760) = 0 [pid 3826] pwrite64(3, NULL, 0, 69888) = 0 [pid 3826] pwrite64(3, NULL, 0, 71040) = 0 [pid 3826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3826] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3826] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 57.030176][ T3823] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 57.030696][ T3823] EXT4-fs (loop0): get root inode failed [ 57.030711][ T3823] EXT4-fs (loop0): mount failed [pid 3826] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3826] ioctl(4, LOOP_CLR_FD) = 0 [pid 3826] close(4) = 0 [pid 3826] close(3) = 0 [pid 3826] exit_group(0) = ? [pid 3826] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3826, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 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, child_tidptr=0x555556e0e5d0) = 3829 ./strace-static-x86_64: Process 3829 attached [pid 3829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3829] setpgid(0, 0) = 0 [pid 3829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3829] write(3, "1000", 4) = 4 [pid 3829] close(3) = 0 [pid 3829] memfd_create("syzkaller", 0) = 3 [pid 3829] ftruncate(3, 135266304) = 0 [pid 3829] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3829] pwrite64(3, NULL, 0, 1248) = 0 [pid 3829] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3829] pwrite64(3, NULL, 0, 1600) = 0 [pid 3829] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3829] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3829] pwrite64(3, NULL, 0, 26624) = 0 [pid 3829] pwrite64(3, NULL, 0, 36864) = 0 [pid 3829] pwrite64(3, NULL, 0, 69760) = 0 [pid 3829] pwrite64(3, NULL, 0, 69888) = 0 [pid 3829] pwrite64(3, NULL, 0, 71040) = 0 [pid 3829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3829] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3829] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 57.080898][ T3826] loop0: detected capacity change from 0 to 264192 [ 57.096632][ T3826] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 57.097104][ T3826] EXT4-fs (loop0): get root inode failed [ 57.097117][ T3826] EXT4-fs (loop0): mount failed [pid 3829] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3829] ioctl(4, LOOP_CLR_FD) = 0 [pid 3829] close(4) = 0 [pid 3829] close(3) = 0 [pid 3829] exit_group(0) = ? [pid 3829] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3829, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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 3832 attached , child_tidptr=0x555556e0e5d0) = 3832 [pid 3832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3832] setpgid(0, 0) = 0 [pid 3832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3832] write(3, "1000", 4) = 4 [pid 3832] close(3) = 0 [pid 3832] memfd_create("syzkaller", 0) = 3 [pid 3832] ftruncate(3, 135266304) = 0 [pid 3832] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3832] pwrite64(3, NULL, 0, 1248) = 0 [pid 3832] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3832] pwrite64(3, NULL, 0, 1600) = 0 [pid 3832] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3832] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3832] pwrite64(3, NULL, 0, 26624) = 0 [pid 3832] pwrite64(3, NULL, 0, 36864) = 0 [pid 3832] pwrite64(3, NULL, 0, 69760) = 0 [pid 3832] pwrite64(3, NULL, 0, 69888) = 0 [pid 3832] pwrite64(3, NULL, 0, 71040) = 0 [pid 3832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3832] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3832] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 57.150823][ T3829] loop0: detected capacity change from 0 to 264192 [ 57.169396][ T3829] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 57.170586][ T3829] EXT4-fs (loop0): get root inode failed [ 57.170600][ T3829] EXT4-fs (loop0): mount failed [pid 3832] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3832] ioctl(4, LOOP_CLR_FD) = 0 [pid 3832] close(4) = 0 [pid 3832] close(3) = 0 [pid 3832] exit_group(0) = ? [pid 3832] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3832, si_uid=0, si_status=0, si_utime=0, si_stime=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 3835 attached , child_tidptr=0x555556e0e5d0) = 3835 [pid 3835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3835] setpgid(0, 0) = 0 [pid 3835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3835] write(3, "1000", 4) = 4 [pid 3835] close(3) = 0 [pid 3835] memfd_create("syzkaller", 0) = 3 [pid 3835] ftruncate(3, 135266304) = 0 [pid 3835] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3835] pwrite64(3, NULL, 0, 1248) = 0 [pid 3835] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3835] pwrite64(3, NULL, 0, 1600) = 0 [pid 3835] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3835] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3835] pwrite64(3, NULL, 0, 26624) = 0 [pid 3835] pwrite64(3, NULL, 0, 36864) = 0 [pid 3835] pwrite64(3, NULL, 0, 69760) = 0 [pid 3835] pwrite64(3, NULL, 0, 69888) = 0 [pid 3835] pwrite64(3, NULL, 0, 71040) = 0 [pid 3835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3835] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3835] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 57.220074][ T3832] loop0: detected capacity change from 0 to 264192 [ 57.236535][ T3832] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 57.237113][ T3832] EXT4-fs (loop0): get root inode failed [ 57.237127][ T3832] EXT4-fs (loop0): mount failed [pid 3835] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3835] ioctl(4, LOOP_CLR_FD) = 0 [pid 3835] close(4) = 0 [pid 3835] close(3) = 0 [pid 3835] exit_group(0) = ? [pid 3835] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3835, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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, child_tidptr=0x555556e0e5d0) = 3838 ./strace-static-x86_64: Process 3838 attached [pid 3838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3838] setpgid(0, 0) = 0 [pid 3838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3838] write(3, "1000", 4) = 4 [pid 3838] close(3) = 0 [pid 3838] memfd_create("syzkaller", 0) = 3 [pid 3838] ftruncate(3, 135266304) = 0 [pid 3838] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3838] pwrite64(3, NULL, 0, 1248) = 0 [pid 3838] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3838] pwrite64(3, NULL, 0, 1600) = 0 [pid 3838] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3838] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3838] pwrite64(3, NULL, 0, 26624) = 0 [pid 3838] pwrite64(3, NULL, 0, 36864) = 0 [pid 3838] pwrite64(3, NULL, 0, 69760) = 0 [pid 3838] pwrite64(3, NULL, 0, 69888) = 0 [pid 3838] pwrite64(3, NULL, 0, 71040) = 0 [pid 3838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3838] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 3838] ioctl(4, LOOP_CLR_FD) = 0 [pid 3838] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 3838] close(4) = 0 [pid 3838] close(3) = 0 [pid 3838] exit_group(0) = ? [pid 3838] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3838, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 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, child_tidptr=0x555556e0e5d0) = 3839 ./strace-static-x86_64: Process 3839 attached [ 57.294969][ T3835] loop0: detected capacity change from 0 to 264192 [ 57.310703][ T3835] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 57.311031][ T3835] EXT4-fs (loop0): get root inode failed [ 57.311040][ T3835] EXT4-fs (loop0): mount failed [pid 3839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3839] setpgid(0, 0) = 0 [pid 3839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3839] write(3, "1000", 4) = 4 [pid 3839] close(3) = 0 [pid 3839] memfd_create("syzkaller", 0) = 3 [pid 3839] ftruncate(3, 135266304) = 0 [pid 3839] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3839] pwrite64(3, NULL, 0, 1248) = 0 [pid 3839] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3839] pwrite64(3, NULL, 0, 1600) = 0 [pid 3839] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3839] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3839] pwrite64(3, NULL, 0, 26624) = 0 [pid 3839] pwrite64(3, NULL, 0, 36864) = 0 [pid 3839] pwrite64(3, NULL, 0, 69760) = 0 [pid 3839] pwrite64(3, NULL, 0, 69888) = 0 [pid 3839] pwrite64(3, NULL, 0, 71040) = 0 [pid 3839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3839] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3839] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3839] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3839] ioctl(4, LOOP_CLR_FD) = 0 [pid 3839] close(4) = 0 [pid 3839] close(3) = 0 [pid 3839] exit_group(0) = ? [pid 3839] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3839, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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, child_tidptr=0x555556e0e5d0) = 3842 [ 57.395133][ T3839] loop0: detected capacity change from 0 to 264192 [ 57.410178][ T3839] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 57.410787][ T3839] EXT4-fs (loop0): get root inode failed ./strace-static-x86_64: Process 3842 attached [pid 3842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3842] setpgid(0, 0) = 0 [pid 3842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3842] write(3, "1000", 4) = 4 [pid 3842] close(3) = 0 [pid 3842] memfd_create("syzkaller", 0) = 3 [pid 3842] ftruncate(3, 135266304) = 0 [pid 3842] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3842] pwrite64(3, NULL, 0, 1248) = 0 [pid 3842] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3842] pwrite64(3, NULL, 0, 1600) = 0 [pid 3842] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3842] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3842] pwrite64(3, NULL, 0, 26624) = 0 [pid 3842] pwrite64(3, NULL, 0, 36864) = 0 [pid 3842] pwrite64(3, NULL, 0, 69760) = 0 [pid 3842] pwrite64(3, NULL, 0, 69888) = 0 [pid 3842] pwrite64(3, NULL, 0, 71040) = 0 [pid 3842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3842] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3842] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 57.410796][ T3839] EXT4-fs (loop0): mount failed [pid 3842] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3842] ioctl(4, LOOP_CLR_FD) = 0 [pid 3842] close(4) = 0 [pid 3842] close(3) = 0 [pid 3842] exit_group(0) = ? [pid 3842] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3842, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3845 ./strace-static-x86_64: Process 3845 attached [pid 3845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3845] setpgid(0, 0) = 0 [pid 3845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3845] write(3, "1000", 4) = 4 [pid 3845] close(3) = 0 [pid 3845] memfd_create("syzkaller", 0) = 3 [pid 3845] ftruncate(3, 135266304) = 0 [pid 3845] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [ 57.473548][ T3842] loop0: detected capacity change from 0 to 264192 [ 57.486829][ T3842] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 57.487357][ T3842] EXT4-fs (loop0): get root inode failed [ 57.487372][ T3842] EXT4-fs (loop0): mount failed [pid 3845] pwrite64(3, NULL, 0, 1248) = 0 [pid 3845] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3845] pwrite64(3, NULL, 0, 1600) = 0 [pid 3845] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3845] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3845] pwrite64(3, NULL, 0, 26624) = 0 [pid 3845] pwrite64(3, NULL, 0, 36864) = 0 [pid 3845] pwrite64(3, NULL, 0, 69760) = 0 [pid 3845] pwrite64(3, NULL, 0, 69888) = 0 [pid 3845] pwrite64(3, NULL, 0, 71040) = 0 [pid 3845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3845] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3845] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3845] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3845] ioctl(4, LOOP_CLR_FD) = 0 [pid 3845] close(4) = 0 [pid 3845] close(3) = 0 [pid 3845] exit_group(0) = ? [pid 3845] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3845, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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, child_tidptr=0x555556e0e5d0) = 3848 ./strace-static-x86_64: Process 3848 attached [pid 3848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3848] setpgid(0, 0) = 0 [pid 3848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3848] write(3, "1000", 4) = 4 [pid 3848] close(3) = 0 [pid 3848] memfd_create("syzkaller", 0) = 3 [pid 3848] ftruncate(3, 135266304) = 0 [pid 3848] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3848] pwrite64(3, NULL, 0, 1248) = 0 [pid 3848] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3848] pwrite64(3, NULL, 0, 1600) = 0 [pid 3848] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3848] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3848] pwrite64(3, NULL, 0, 26624) = 0 [pid 3848] pwrite64(3, NULL, 0, 36864) = 0 [pid 3848] pwrite64(3, NULL, 0, 69760) = 0 [pid 3848] pwrite64(3, NULL, 0, 69888) = 0 [pid 3848] pwrite64(3, NULL, 0, 71040) = 0 [pid 3848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3848] ioctl(4, LOOP_SET_FD, 3) = 0 [ 57.564237][ T3845] loop0: detected capacity change from 0 to 264192 [ 57.579328][ T3845] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 57.580048][ T3845] EXT4-fs (loop0): get root inode failed [ 57.580061][ T3845] EXT4-fs (loop0): mount failed [pid 3848] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3848] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3848] ioctl(4, LOOP_CLR_FD) = 0 [pid 3848] close(4) = 0 [pid 3848] close(3) = 0 [pid 3848] exit_group(0) = ? [pid 3848] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3848, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 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, child_tidptr=0x555556e0e5d0) = 3851 ./strace-static-x86_64: Process 3851 attached [pid 3851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3851] setpgid(0, 0) = 0 [pid 3851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3851] write(3, "1000", 4) = 4 [pid 3851] close(3) = 0 [pid 3851] memfd_create("syzkaller", 0) = 3 [pid 3851] ftruncate(3, 135266304) = 0 [pid 3851] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3851] pwrite64(3, NULL, 0, 1248) = 0 [pid 3851] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3851] pwrite64(3, NULL, 0, 1600) = 0 [pid 3851] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3851] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3851] pwrite64(3, NULL, 0, 26624) = 0 [pid 3851] pwrite64(3, NULL, 0, 36864) = 0 [pid 3851] pwrite64(3, NULL, 0, 69760) = 0 [pid 3851] pwrite64(3, NULL, 0, 69888) = 0 [pid 3851] pwrite64(3, NULL, 0, 71040) = 0 [pid 3851] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3851] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3851] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 57.627552][ T3848] loop0: detected capacity change from 0 to 264192 [ 57.640003][ T3848] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 57.640436][ T3848] EXT4-fs (loop0): get root inode failed [ 57.640450][ T3848] EXT4-fs (loop0): mount failed [pid 3851] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3851] ioctl(4, LOOP_CLR_FD) = 0 [pid 3851] close(4) = 0 [pid 3851] close(3) = 0 [pid 3851] exit_group(0) = ? [pid 3851] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3851, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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, child_tidptr=0x555556e0e5d0) = 3854 ./strace-static-x86_64: Process 3854 attached [pid 3854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3854] setpgid(0, 0) = 0 [pid 3854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3854] write(3, "1000", 4) = 4 [pid 3854] close(3) = 0 [pid 3854] memfd_create("syzkaller", 0) = 3 [pid 3854] ftruncate(3, 135266304) = 0 [pid 3854] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3854] pwrite64(3, NULL, 0, 1248) = 0 [pid 3854] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3854] pwrite64(3, NULL, 0, 1600) = 0 [pid 3854] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3854] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3854] pwrite64(3, NULL, 0, 26624) = 0 [pid 3854] pwrite64(3, NULL, 0, 36864) = 0 [pid 3854] pwrite64(3, NULL, 0, 69760) = 0 [pid 3854] pwrite64(3, NULL, 0, 69888) = 0 [pid 3854] pwrite64(3, NULL, 0, 71040) = 0 [pid 3854] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 57.700696][ T3851] loop0: detected capacity change from 0 to 264192 [ 57.717494][ T3851] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 57.717862][ T3851] EXT4-fs (loop0): get root inode failed [ 57.717871][ T3851] EXT4-fs (loop0): mount failed [pid 3854] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3854] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3854] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3854] ioctl(4, LOOP_CLR_FD) = 0 [ 57.767970][ T3854] loop0: detected capacity change from 0 to 264192 [ 57.791364][ T3854] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 57.793394][ T3854] EXT4-fs (loop0): get root inode failed [pid 3854] close(4) = 0 [pid 3854] close(3) = 0 [pid 3854] exit_group(0) = ? [pid 3854] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3854, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 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, child_tidptr=0x555556e0e5d0) = 3857 ./strace-static-x86_64: Process 3857 attached [pid 3857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3857] setpgid(0, 0) = 0 [pid 3857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3857] write(3, "1000", 4) = 4 [pid 3857] close(3) = 0 [pid 3857] memfd_create("syzkaller", 0) = 3 [pid 3857] ftruncate(3, 135266304) = 0 [pid 3857] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3857] pwrite64(3, NULL, 0, 1248) = 0 [pid 3857] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3857] pwrite64(3, NULL, 0, 1600) = 0 [pid 3857] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3857] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3857] pwrite64(3, NULL, 0, 26624) = 0 [pid 3857] pwrite64(3, NULL, 0, 36864) = 0 [pid 3857] pwrite64(3, NULL, 0, 69760) = 0 [pid 3857] pwrite64(3, NULL, 0, 69888) = 0 [ 57.793415][ T3854] EXT4-fs (loop0): mount failed [pid 3857] pwrite64(3, NULL, 0, 71040) = 0 [pid 3857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3857] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3857] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3857] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3857] ioctl(4, LOOP_CLR_FD) = 0 [pid 3857] close(4) = 0 [pid 3857] close(3) = 0 [pid 3857] exit_group(0) = ? [pid 3857] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3857, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 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, child_tidptr=0x555556e0e5d0) = 3860 ./strace-static-x86_64: Process 3860 attached [pid 3860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3860] setpgid(0, 0) = 0 [pid 3860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3860] write(3, "1000", 4) = 4 [pid 3860] close(3) = 0 [pid 3860] memfd_create("syzkaller", 0) = 3 [pid 3860] ftruncate(3, 135266304) = 0 [pid 3860] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3860] pwrite64(3, NULL, 0, 1248) = 0 [pid 3860] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3860] pwrite64(3, NULL, 0, 1600) = 0 [pid 3860] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3860] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3860] pwrite64(3, NULL, 0, 26624) = 0 [pid 3860] pwrite64(3, NULL, 0, 36864) = 0 [pid 3860] pwrite64(3, NULL, 0, 69760) = 0 [pid 3860] pwrite64(3, NULL, 0, 69888) = 0 [pid 3860] pwrite64(3, NULL, 0, 71040) = 0 [pid 3860] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3860] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3860] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 57.860902][ T3857] loop0: detected capacity change from 0 to 264192 [ 57.876690][ T3857] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 57.878032][ T3857] EXT4-fs (loop0): get root inode failed [ 57.878046][ T3857] EXT4-fs (loop0): mount failed [pid 3860] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3860] ioctl(4, LOOP_CLR_FD) = 0 [pid 3860] close(4) = 0 [pid 3860] close(3) = 0 [pid 3860] exit_group(0) = ? [pid 3860] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3860, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3863 ./strace-static-x86_64: Process 3863 attached [pid 3863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3863] setpgid(0, 0) = 0 [pid 3863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3863] write(3, "1000", 4) = 4 [pid 3863] close(3) = 0 [pid 3863] memfd_create("syzkaller", 0) = 3 [pid 3863] ftruncate(3, 135266304) = 0 [pid 3863] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3863] pwrite64(3, NULL, 0, 1248) = 0 [pid 3863] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3863] pwrite64(3, NULL, 0, 1600) = 0 [pid 3863] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3863] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3863] pwrite64(3, NULL, 0, 26624) = 0 [pid 3863] pwrite64(3, NULL, 0, 36864) = 0 [pid 3863] pwrite64(3, NULL, 0, 69760) = 0 [pid 3863] pwrite64(3, NULL, 0, 69888) = 0 [pid 3863] pwrite64(3, NULL, 0, 71040) = 0 [pid 3863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3863] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3863] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 57.933843][ T3860] loop0: detected capacity change from 0 to 264192 [ 57.949739][ T3860] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 57.950358][ T3860] EXT4-fs (loop0): get root inode failed [ 57.950372][ T3860] EXT4-fs (loop0): mount failed [pid 3863] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3863] ioctl(4, LOOP_CLR_FD) = 0 [pid 3863] close(4) = 0 [pid 3863] close(3) = 0 [pid 3863] exit_group(0) = ? [ 58.012308][ T3863] loop0: detected capacity change from 0 to 264192 [ 58.028038][ T3863] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 58.032270][ T3863] EXT4-fs (loop0): get root inode failed [ 58.032285][ T3863] EXT4-fs (loop0): mount failed [pid 3863] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3863, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0e5d0) = 3866 ./strace-static-x86_64: Process 3866 attached [pid 3866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3866] setpgid(0, 0) = 0 [pid 3866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3866] write(3, "1000", 4) = 4 [pid 3866] close(3) = 0 [pid 3866] memfd_create("syzkaller", 0) = 3 [pid 3866] ftruncate(3, 135266304) = 0 [pid 3866] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3866] pwrite64(3, NULL, 0, 1248) = 0 [pid 3866] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3866] pwrite64(3, NULL, 0, 1600) = 0 [pid 3866] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3866] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3866] pwrite64(3, NULL, 0, 26624) = 0 [pid 3866] pwrite64(3, NULL, 0, 36864) = 0 [pid 3866] pwrite64(3, NULL, 0, 69760) = 0 [pid 3866] pwrite64(3, NULL, 0, 69888) = 0 [pid 3866] pwrite64(3, NULL, 0, 71040) = 0 [pid 3866] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3866] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3866] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3866] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 3866] ioctl(4, LOOP_CLR_FD) = 0 [pid 3866] close(4) = 0 [pid 3866] close(3) = 0 [pid 3866] exit_group(0) = ? [pid 3866] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3866, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 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, child_tidptr=0x555556e0e5d0) = 3869 ./strace-static-x86_64: Process 3869 attached [pid 3869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3869] setpgid(0, 0) = 0 [pid 3869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3869] write(3, "1000", 4) = 4 [pid 3869] close(3) = 0 [pid 3869] memfd_create("syzkaller", 0) = 3 [pid 3869] ftruncate(3, 135266304) = 0 [pid 3869] pwrite64(3, "\x20\x00\x00\x00\x80\x00\x00\x00\x06\x00\x56\x00\x60\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x20\x00\x00\x00\xd2\xf4\x65\x5f\xd2\xf4\x65\x5f\x01\x00\xff\xff\x53\xef\x01\x00\x01\x00\x00\x00\xd0\xf4\x65\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x52\x47\x00\x00"..., 102, 1024) = 102 [pid 3869] pwrite64(3, NULL, 0, 1248) = 0 [pid 3869] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3869] pwrite64(3, NULL, 0, 1600) = 0 [pid 3869] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3869] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3869] pwrite64(3, NULL, 0, 26624) = 0 [pid 3869] pwrite64(3, NULL, 0, 36864) = 0 [pid 3869] pwrite64(3, NULL, 0, 69760) = 0 [pid 3869] pwrite64(3, NULL, 0, 69888) = 0 [pid 3869] pwrite64(3, NULL, 0, 71040) = 0 [pid 3869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3869] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3869] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 58.123762][ T3866] loop0: detected capacity change from 0 to 264192 [ 58.140012][ T3866] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 58.140416][ T3866] EXT4-fs (loop0): get root inode failed [ 58.140430][ T3866] EXT4-fs (loop0): mount failed [ 58.192633][ T3869] loop0: detected capacity change from 0 to 264192 [ 58.209316][ T3869] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor236: iget: root inode unallocated [ 58.209753][ T3869] EXT4-fs (loop0): get root inode failed [ 58.209768][ T3869] EXT4-fs (loop0): mount failed [pid 3869] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3611] kill(-3869, SIGKILL) = 0 [pid 3611] kill(3869, SIGKILL) = 0 [pid 3611] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3611] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 3611] getdents64(3, 0x555556e0f620 /* 2 entries */, 32768) = 48 [pid 3611] getdents64(3, 0x555556e0f620 /* 0 entries */, 32768) = 0 [pid 3611] close(3) = 0 [ 76.171079][ T27] cfg80211: failed to load regulatory.db [ 286.088270][ T29] INFO: task syz-executor236:3869 blocked for more than 143 seconds. [ 286.096417][ T29] Not tainted 5.19.0-rc2-syzkaller #0 [ 286.102427][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.111505][ T29] task:syz-executor236 state:D stack:27344 pid: 3869 ppid: 3611 flags:0x00004004 [ 286.120822][ T29] Call Trace: [ 286.124099][ T29] [ 286.127089][ T29] __schedule+0xa00/0x4b30 [ 286.131643][ T29] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 286.137688][ T29] ? io_schedule_timeout+0x140/0x140 [ 286.143037][ T29] schedule+0xd2/0x1f0 [ 286.147116][ T29] schedule_timeout+0x1db/0x2a0 [ 286.152065][ T29] ? usleep_range_state+0x1b0/0x1b0 [ 286.157276][ T29] ? __wait_for_common+0x36f/0x530 [ 286.162449][ T29] ? mark_held_locks+0x9f/0xe0 [ 286.167229][ T29] ? rwlock_bug.part.0+0x90/0x90 [ 286.172221][ T29] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.177445][ T29] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.183233][ T29] __wait_for_common+0x378/0x530 [ 286.188245][ T29] ? usleep_range_state+0x1b0/0x1b0 [ 286.193454][ T29] ? out_of_line_wait_on_bit_timeout+0x170/0x170 [ 286.199834][ T29] kthread_stop+0x17a/0x720 [ 286.204408][ T29] ext4_stop_mmpd+0x47/0xd0 [ 286.209029][ T29] ext4_fill_super+0x9dd6/0xe860 [ 286.214073][ T29] ? ext4_reconfigure+0x29c0/0x29c0 [ 286.219692][ T29] ? snprintf+0xbb/0xf0 [ 286.223904][ T29] ? vsprintf+0x30/0x30 [ 286.228205][ T29] ? wait_for_completion_io_timeout+0x20/0x20 [ 286.234293][ T29] ? set_blocksize+0x2e5/0x370 [ 286.239523][ T29] get_tree_bdev+0x440/0x760 [ 286.244182][ T29] ? ext4_reconfigure+0x29c0/0x29c0 [ 286.249619][ T29] vfs_get_tree+0x89/0x2f0 [ 286.254049][ T29] path_mount+0x1320/0x1fa0 [ 286.258654][ T29] ? kmem_cache_free.part.0+0x11e/0x240 [ 286.264262][ T29] ? putname+0xfe/0x140 [ 286.268474][ T29] ? finish_automount+0xaf0/0xaf0 [ 286.273514][ T29] ? putname+0xfe/0x140 [ 286.277669][ T29] __x64_sys_mount+0x27f/0x300 [ 286.282945][ T29] ? copy_mnt_ns+0xae0/0xae0 [ 286.287549][ T29] ? lockdep_hardirqs_on+0x79/0x100 [ 286.292845][ T29] ? _raw_spin_unlock_irq+0x2a/0x40 [ 286.298139][ T29] ? ptrace_notify+0xfa/0x140 [ 286.302857][ T29] do_syscall_64+0x35/0xb0 [ 286.307272][ T29] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 286.313227][ T29] RIP: 0033:0x7f62add9bd7a [ 286.317665][ T29] RSP: 002b:00007ffe812c0658 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 286.326137][ T29] RAX: ffffffffffffffda RBX: 00007ffe812c06b0 RCX: 00007f62add9bd7a [ 286.334386][ T29] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffe812c0670 [ 286.342689][ T29] RBP: 00007ffe812c0670 R08: 00007ffe812c06b0 R09: 0000000000000000 [ 286.350777][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000308 [ 286.358852][ T29] R13: 0000000000000003 R14: 0000000000000004 R15: 000000000000000b [ 286.366831][ T29] [ 286.369925][ T29] [ 286.369925][ T29] Showing all locks held in the system: [ 286.377643][ T29] 1 lock held by khungtaskd/29: [ 286.382550][ T29] #0: ffffffff8bd83ce0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 286.392575][ T29] 2 locks held by getty/3295: [ 286.397258][ T29] #0: ffff888021fed098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 [ 286.407117][ T29] #1: ffffc90001c382e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 [ 286.417338][ T29] 1 lock held by syz-executor236/3869: [ 286.422878][ T29] #0: ffff8880734920e0 (&type->s_umount_key#27/1){+.+.}-{3:3}, at: alloc_super+0x1dd/0xa80 [ 286.433108][ T29] [ 286.435431][ T29] ============================================= [ 286.435431][ T29] [ 286.443919][ T29] NMI backtrace for cpu 1 [ 286.448244][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc2-syzkaller #0 [ 286.456379][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.466419][ T29] Call Trace: [ 286.469795][ T29] [ 286.472733][ T29] dump_stack_lvl+0xcd/0x134 [ 286.477362][ T29] nmi_cpu_backtrace.cold+0x47/0x144 [ 286.482983][ T29] ? lapic_can_unplug_cpu+0x80/0x80 [ 286.488208][ T29] nmi_trigger_cpumask_backtrace+0x1e6/0x230 [ 286.494180][ T29] watchdog+0xc22/0xf90 [ 286.498361][ T29] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 286.504353][ T29] kthread+0x2e9/0x3a0 [ 286.508422][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 286.514056][ T29] ret_from_fork+0x1f/0x30 [ 286.518497][ T29] [ 286.521746][ T29] Sending NMI from CPU 1 to CPUs 0: [ 286.526977][ C0] NMI backtrace for cpu 0 [ 286.526986][ C0] CPU: 0 PID: 1297 Comm: kworker/u4:6 Not tainted 5.19.0-rc2-syzkaller #0 [ 286.527005][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.527017][ C0] Workqueue: events_unbound toggle_allocation_gate [ 286.527039][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x60 [ 286.527063][ C0] Code: be a8 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 65 8b 05 59 cc 88 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 80 6f 02 00 00 01 ff 00 74 0e 85 c9 74 35 8b 82 a4 15 00 00 85 c0 74 2b 8b [ 286.527080][ C0] RSP: 0018:ffffc900050978d8 EFLAGS: 00000246 [ 286.527094][ C0] RAX: 0000000080000000 RBX: ffffc90005097a50 RCX: 0000000000000000 [ 286.527106][ C0] RDX: ffff88802123e240 RSI: ffffffff8423cfa4 RDI: 0000000000000001 [ 286.527118][ C0] RBP: 00000000000000e9 R08: 0000000000000001 R09: 0000000000000000 [ 286.527129][ C0] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001 [ 286.527140][ C0] R13: 00000000000000e9 R14: 0000000000000000 R15: 0000000000000000 [ 286.527151][ C0] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 286.527167][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.527179][ C0] CR2: 000055aa40fb59c8 CR3: 000000000ba8e000 CR4: 00000000003506f0 [ 286.527191][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 286.527202][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 286.527213][ C0] Call Trace: [ 286.527218][ C0] [ 286.527223][ C0] insn_get_opcode.part.0+0x154/0x990 [ 286.527272][ C0] ? kmem_cache_alloc_lru+0x180/0x8c0 [ 286.527292][ C0] insn_get_modrm+0x355/0x7c0 [ 286.527310][ C0] insn_get_sib+0x29c/0x330 [ 286.527328][ C0] insn_get_displacement+0x346/0x6c0 [ 286.527346][ C0] ? kmem_cache_alloc_lru+0x1b3/0x8c0 [ 286.527365][ C0] insn_decode+0x35b/0x3b0 [ 286.527382][ C0] ? kmem_cache_alloc_lru+0x1b3/0x8c0 [ 286.527401][ C0] arch_jump_entry_size+0xa0/0x110 [ 286.527457][ C0] ? i8259A_resume+0x30/0x30 [ 286.527476][ C0] ? arch_jump_label_transform_queue+0x58/0x100 [ 286.527500][ C0] ? kmem_cache_alloc_lru+0x1b3/0x8c0 [ 286.527519][ C0] ? kmem_cache_alloc_lru+0x1c2/0x8c0 [ 286.527538][ C0] ? kmem_cache_alloc_lru+0x1b4/0x8c0 [ 286.527558][ C0] ? kmem_cache_alloc_lru+0x384/0x8c0 [ 286.527577][ C0] __jump_label_patch+0x80/0x330 [ 286.527598][ C0] arch_jump_label_transform_queue+0x63/0x100 [ 286.527621][ C0] __jump_label_update+0x12e/0x400 [ 286.527667][ C0] jump_label_update+0x32f/0x410 [ 286.527689][ C0] static_key_disable_cpuslocked+0x152/0x1b0 [ 286.527712][ C0] static_key_disable+0x16/0x20 [ 286.527734][ C0] toggle_allocation_gate+0x183/0x390 [ 286.527751][ C0] ? lock_release+0x780/0x780 [ 286.527773][ C0] ? wake_up_kfence_timer+0x20/0x20 [ 286.527791][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 286.527815][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 286.527839][ C0] process_one_work+0x996/0x1610 [ 286.527860][ C0] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 286.527879][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 286.527895][ C0] ? _raw_spin_lock_irq+0x41/0x50 [ 286.527916][ C0] worker_thread+0x665/0x1080 [ 286.527936][ C0] ? __kthread_parkme+0x15f/0x220 [ 286.527957][ C0] ? process_one_work+0x1610/0x1610 [ 286.527975][ C0] kthread+0x2e9/0x3a0 [ 286.527990][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 286.528008][ C0] ret_from_fork+0x1f/0x30 [ 286.528033][ C0] [ 286.528039][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.062 msecs [ 286.529049][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 286.529059][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc2-syzkaller #0 [ 286.529080][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.529092][ T29] Call Trace: [ 286.529098][ T29] [ 286.529104][ T29] dump_stack_lvl+0xcd/0x134 [ 286.529130][ T29] panic+0x2d7/0x636 [ 286.529150][ T29] ? panic_print_sys_info.part.0+0x10b/0x10b [ 286.529173][ T29] ? lapic_can_unplug_cpu+0x80/0x80 [ 286.529195][ T29] ? preempt_schedule_thunk+0x16/0x18 [ 286.529220][ T29] ? watchdog.cold+0x5/0x143 [ 286.529258][ T29] watchdog.cold+0x16/0x143 [ 286.529283][ T29] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 286.529312][ T29] kthread+0x2e9/0x3a0 [ 286.529330][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 286.529351][ T29] ret_from_fork+0x1f/0x30 [ 286.529375][ T29] [ 286.532504][ T29] Kernel Offset: disabled [ 286.964041][ T29] Rebooting in 86400 seconds..