./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2383431442

<...>
Warning: Permanently added '10.128.10.42' (ED25519) to the list of known hosts.
execve("./syz-executor2383431442", ["./syz-executor2383431442"], 0x7ffd36db0120 /* 10 vars */) = 0
brk(NULL)                               = 0x555556b7b000
brk(0x555556b7bd00)                     = 0x555556b7bd00
arch_prctl(ARCH_SET_FS, 0x555556b7b380) = 0
set_tid_address(0x555556b7b650)         = 295
set_robust_list(0x555556b7b660, 24)     = 0
rseq(0x555556b7bca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2383431442", 4096) = 28
getrandom("\x21\x37\x15\xd0\xed\xce\x3b\xdf", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555556b7bd00
brk(0x555556b9cd00)                     = 0x555556b9cd00
brk(0x555556b9d000)                     = 0x555556b9d000
mprotect(0x7f4d8799a000, 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=0x555556b7b650) = 297
./strace-static-x86_64: Process 297 attached
[pid   297] set_robust_list(0x555556b7b660, 24) = 0
[pid   297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[   23.224077][   T28] audit: type=1400 audit(1692377074.720:66): avc:  denied  { execmem } for  pid=295 comm="syz-executor238" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   23.243679][   T28] audit: type=1400 audit(1692377074.730:67): avc:  denied  { read write } for  pid=295 comm="syz-executor238" name="loop0" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid   297] setpgid(0, 0)               = 0
[pid   297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   297] write(3, "1000", 4)         = 4
[pid   297] close(3)                    = 0
[pid   297] memfd_create("syzkaller", 0) = 3
[pid   297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   297] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   23.268681][   T28] audit: type=1400 audit(1692377074.730:68): avc:  denied  { open } for  pid=295 comm="syz-executor238" path="/dev/loop0" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[   23.293468][   T28] audit: type=1400 audit(1692377074.730:69): avc:  denied  { ioctl } for  pid=295 comm="syz-executor238" path="/dev/loop0" dev="devtmpfs" ino=114 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid   297] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   297] close(3)                    = 0
[pid   297] mkdir("./file0", 0777)      = 0
[pid   297] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[   23.322807][  T297] loop0: detected capacity change from 0 to 512
[   23.330469][   T28] audit: type=1400 audit(1692377074.830:70): avc:  denied  { mounton } for  pid=297 comm="syz-executor238" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   23.337937][  T297] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   297] ioctl(4, LOOP_CLR_FD)       = 0
[pid   297] close(4)                    = 0
[pid   297] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   297] exit_group(0)               = ?
[pid   297] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, 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=0x555556b7b650) = 298
./strace-static-x86_64: Process 298 attached
[pid   298] set_robust_list(0x555556b7b660, 24) = 0
[pid   298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   298] setpgid(0, 0)               = 0
[pid   298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   298] write(3, "1000", 4)         = 4
[pid   298] close(3)                    = 0
[pid   298] memfd_create("syzkaller", 0) = 3
[pid   298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   298] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   298] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   298] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   298] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   298] close(3)                    = 0
[pid   298] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   298] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[   23.399758][  T297] I/O error, dev loop0, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 2
[   23.409094][  T297] EXT4-fs (loop0): unable to read superblock
[   23.426758][  T298] loop0: detected capacity change from 0 to 512
[   23.434195][  T298] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   298] ioctl(4, LOOP_CLR_FD)       = 0
[pid   298] close(4)                    = 0
[pid   298] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   298] exit_group(0)               = ?
[pid   298] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, 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=0x555556b7b650) = 299
./strace-static-x86_64: Process 299 attached
[pid   299] set_robust_list(0x555556b7b660, 24) = 0
[pid   299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   299] setpgid(0, 0)               = 0
[pid   299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   299] write(3, "1000", 4)         = 4
[pid   299] close(3)                    = 0
[pid   299] memfd_create("syzkaller", 0) = 3
[pid   299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   299] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   299] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   299] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   299] close(3)                    = 0
[pid   299] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   299] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[   23.489947][  T298] I/O error, dev loop0, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 2
[   23.499311][  T298] EXT4-fs (loop0): unable to read superblock
[   23.516722][  T299] loop0: detected capacity change from 0 to 512
[   23.523788][  T299] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   299] ioctl(4, LOOP_CLR_FD)       = 0
[pid   299] close(4)                    = 0
[pid   299] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   299] exit_group(0)               = ?
[pid   299] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, 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=0x555556b7b650) = 301
./strace-static-x86_64: Process 301 attached
[pid   301] set_robust_list(0x555556b7b660, 24) = 0
[pid   301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   301] setpgid(0, 0)               = 0
[pid   301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   301] write(3, "1000", 4)         = 4
[pid   301] close(3)                    = 0
[pid   301] memfd_create("syzkaller", 0) = 3
[pid   301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   301] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   301] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   301] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   301] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   301] close(3)                    = 0
[pid   301] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   301] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[   23.590050][  T299] I/O error, dev loop0, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 2
[   23.599466][  T299] EXT4-fs (loop0): unable to read superblock
[   23.613285][  T301] loop0: detected capacity change from 0 to 512
[   23.619898][  T301] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   301] ioctl(4, LOOP_CLR_FD)       = 0
[pid   301] close(4)                    = 0
[pid   301] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   301] exit_group(0)               = ?
[pid   301] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, 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=0x555556b7b650) = 302
./strace-static-x86_64: Process 302 attached
[pid   302] set_robust_list(0x555556b7b660, 24) = 0
[pid   302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   302] setpgid(0, 0)               = 0
[pid   302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   302] write(3, "1000", 4)         = 4
[pid   302] close(3)                    = 0
[pid   302] memfd_create("syzkaller", 0) = 3
[pid   302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   302] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   302] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   302] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   302] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   302] close(3)                    = 0
[pid   302] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   302] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[pid   302] ioctl(4, LOOP_CLR_FD)       = 0
[pid   302] close(4)                    = 0
[   23.659234][  T301] I/O error, dev loop0, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 2
[   23.668556][  T301] EXT4-fs (loop0): unable to read superblock
[   23.682484][  T302] loop0: detected capacity change from 0 to 512
[   23.689135][  T302] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   302] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   302] exit_group(0)               = ?
[pid   302] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, 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=0x555556b7b650) = 303
./strace-static-x86_64: Process 303 attached
[pid   303] set_robust_list(0x555556b7b660, 24) = 0
[pid   303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   303] setpgid(0, 0)               = 0
[pid   303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   303] write(3, "1000", 4)         = 4
[pid   303] close(3)                    = 0
[pid   303] memfd_create("syzkaller", 0) = 3
[pid   303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   303] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   303] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   303] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   303] close(3)                    = 0
[pid   303] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   303] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[   23.740623][  T302] I/O error, dev loop0, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 2
[   23.749992][  T302] EXT4-fs (loop0): unable to read superblock
[   23.764572][  T303] loop0: detected capacity change from 0 to 512
[   23.771191][  T303] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   303] ioctl(4, LOOP_CLR_FD)       = 0
[pid   303] close(4)                    = 0
[pid   303] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   303] exit_group(0)               = ?
[pid   303] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, 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=0x555556b7b650) = 304
./strace-static-x86_64: Process 304 attached
[pid   304] set_robust_list(0x555556b7b660, 24) = 0
[pid   304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   304] setpgid(0, 0)               = 0
[pid   304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   304] write(3, "1000", 4)         = 4
[pid   304] close(3)                    = 0
[pid   304] memfd_create("syzkaller", 0) = 3
[pid   304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   304] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   304] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   304] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   304] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   304] close(3)                    = 0
[pid   304] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   304] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[   23.831483][  T303] I/O error, dev loop0, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 2
[   23.840810][  T303] EXT4-fs (loop0): unable to read superblock
[   23.860665][  T304] loop0: detected capacity change from 0 to 512
[   23.867640][  T304] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   304] ioctl(4, LOOP_CLR_FD)       = 0
[pid   304] close(4)                    = 0
[pid   304] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   304] exit_group(0)               = ?
[pid   304] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, 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=0x555556b7b650) = 305
./strace-static-x86_64: Process 305 attached
[pid   305] set_robust_list(0x555556b7b660, 24) = 0
[pid   305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   305] setpgid(0, 0)               = 0
[pid   305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   305] write(3, "1000", 4)         = 4
[pid   305] close(3)                    = 0
[pid   305] memfd_create("syzkaller", 0) = 3
[pid   305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   305] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   305] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   305] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   305] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   305] close(3)                    = 0
[pid   305] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   305] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[   23.900558][  T304] I/O error, dev loop0, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 2
[   23.909895][  T304] EXT4-fs (loop0): unable to read superblock
[   23.923799][  T305] loop0: detected capacity change from 0 to 512
[   23.930369][  T305] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   305] ioctl(4, LOOP_CLR_FD)       = 0
[pid   305] close(4)                    = 0
[pid   305] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   305] exit_group(0)               = ?
[pid   305] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, 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=0x555556b7b650) = 306
./strace-static-x86_64: Process 306 attached
[pid   306] set_robust_list(0x555556b7b660, 24) = 0
[pid   306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   306] setpgid(0, 0)               = 0
[pid   306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   306] write(3, "1000", 4)         = 4
[pid   306] close(3)                    = 0
[pid   306] memfd_create("syzkaller", 0) = 3
[pid   306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   306] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   306] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   306] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   306] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   306] close(3)                    = 0
[pid   306] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   306] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[pid   306] ioctl(4, LOOP_CLR_FD)       = 0
[pid   306] close(4)                    = 0
[   23.999191][  T305] I/O error, dev loop0, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 2
[   24.008520][  T305] EXT4-fs (loop0): unable to read superblock
[   24.023723][  T306] loop0: detected capacity change from 0 to 512
[   24.030385][  T306] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   306] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   306] exit_group(0)               = ?
[pid   306] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, 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=0x555556b7b650) = 307
./strace-static-x86_64: Process 307 attached
[pid   307] set_robust_list(0x555556b7b660, 24) = 0
[pid   307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   307] setpgid(0, 0)               = 0
[pid   307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   307] write(3, "1000", 4)         = 4
[pid   307] close(3)                    = 0
[pid   307] memfd_create("syzkaller", 0) = 3
[pid   307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   307] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   307] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   307] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   307] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   307] close(3)                    = 0
[pid   307] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   307] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[   24.069317][  T306] I/O error, dev loop0, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 2
[   24.078644][  T306] EXT4-fs (loop0): unable to read superblock
[   24.095459][  T307] loop0: detected capacity change from 0 to 512
[   24.102567][  T307] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   307] ioctl(4, LOOP_CLR_FD)       = 0
[pid   307] close(4)                    = 0
[pid   307] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   307] exit_group(0)               = ?
[pid   307] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, 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=0x555556b7b650) = 308
./strace-static-x86_64: Process 308 attached
[pid   308] set_robust_list(0x555556b7b660, 24) = 0
[pid   308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   308] setpgid(0, 0)               = 0
[pid   308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   308] write(3, "1000", 4)         = 4
[pid   308] close(3)                    = 0
[pid   308] memfd_create("syzkaller", 0) = 3
[pid   308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   308] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   308] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   308] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   308] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   308] close(3)                    = 0
[pid   308] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   308] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[pid   308] ioctl(4, LOOP_CLR_FD)       = 0
[   24.149249][  T307] I/O error, dev loop0, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 2
[   24.158591][  T307] EXT4-fs (loop0): unable to read superblock
[   24.172339][  T308] loop0: detected capacity change from 0 to 512
[   24.178934][  T308] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   308] close(4)                    = 0
[pid   308] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   308] exit_group(0)               = ?
[pid   308] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, 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=0x555556b7b650) = 309
./strace-static-x86_64: Process 309 attached
[pid   309] set_robust_list(0x555556b7b660, 24) = 0
[pid   309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   309] setpgid(0, 0)               = 0
[pid   309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   309] write(3, "1000", 4)         = 4
[pid   309] close(3)                    = 0
[pid   309] memfd_create("syzkaller", 0) = 3
[pid   309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   309] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   309] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   309] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   309] close(3)                    = 0
[pid   309] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   309] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[   24.233030][  T308] EXT4-fs (loop0): unable to read superblock
[   24.249986][  T309] loop0: detected capacity change from 0 to 512
[   24.256716][  T309] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   309] ioctl(4, LOOP_CLR_FD)       = 0
[pid   309] close(4)                    = 0
[pid   309] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   309] exit_group(0)               = ?
[pid   309] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, 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./strace-static-x86_64: Process 310 attached
, child_tidptr=0x555556b7b650) = 310
[pid   310] set_robust_list(0x555556b7b660, 24) = 0
[pid   310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   310] setpgid(0, 0)               = 0
[pid   310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   310] write(3, "1000", 4)         = 4
[pid   310] close(3)                    = 0
[pid   310] memfd_create("syzkaller", 0) = 3
[pid   310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   310] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   310] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   310] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   310] close(3)                    = 0
[pid   310] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   310] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[   24.299214][  T309] EXT4-fs (loop0): unable to read superblock
[   24.317193][  T310] loop0: detected capacity change from 0 to 512
[   24.323806][  T310] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   310] ioctl(4, LOOP_CLR_FD)       = 0
[pid   310] close(4)                    = 0
[pid   310] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   310] exit_group(0)               = ?
[pid   310] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, 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=0x555556b7b650) = 311
./strace-static-x86_64: Process 311 attached
[pid   311] set_robust_list(0x555556b7b660, 24) = 0
[pid   311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   311] setpgid(0, 0)               = 0
[pid   311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   311] write(3, "1000", 4)         = 4
[pid   311] close(3)                    = 0
[pid   311] memfd_create("syzkaller", 0) = 3
[pid   311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   311] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   311] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   311] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   311] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   311] close(3)                    = 0
[pid   311] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   311] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[pid   311] ioctl(4, LOOP_CLR_FD)       = 0
[pid   311] close(4)                    = 0
[   24.369555][  T310] EXT4-fs (loop0): unable to read superblock
[   24.383838][  T311] loop0: detected capacity change from 0 to 512
[   24.391344][  T311] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   311] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   311] exit_group(0)               = ?
[pid   311] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, 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./strace-static-x86_64: Process 312 attached
, child_tidptr=0x555556b7b650) = 312
[pid   312] set_robust_list(0x555556b7b660, 24) = 0
[pid   312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   312] setpgid(0, 0)               = 0
[pid   312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   312] write(3, "1000", 4)         = 4
[pid   312] close(3)                    = 0
[pid   312] memfd_create("syzkaller", 0) = 3
[pid   312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   312] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   312] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   312] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   312] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   312] close(3)                    = 0
[pid   312] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   312] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[   24.420174][  T311] EXT4-fs (loop0): unable to read superblock
[   24.449760][  T312] loop0: detected capacity change from 0 to 512
[   24.456316][  T312] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   312] ioctl(4, LOOP_CLR_FD)       = 0
[pid   312] close(4)                    = 0
[pid   312] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   312] exit_group(0)               = ?
[pid   312] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, 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=0x555556b7b650) = 313
./strace-static-x86_64: Process 313 attached
[pid   313] set_robust_list(0x555556b7b660, 24) = 0
[pid   313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   313] setpgid(0, 0)               = 0
[pid   313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   313] write(3, "1000", 4)         = 4
[pid   313] close(3)                    = 0
[pid   313] memfd_create("syzkaller", 0) = 3
[pid   313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   313] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   313] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   313] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   313] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   313] close(3)                    = 0
[pid   313] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   313] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[pid   313] ioctl(4, LOOP_CLR_FD)       = 0
[pid   313] close(4)                    = 0
[   24.516892][  T312] EXT4-fs (loop0): unable to read superblock
[   24.533481][  T313] loop0: detected capacity change from 0 to 512
[   24.540241][  T313] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   313] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   313] exit_group(0)               = ?
[pid   313] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, 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=0x555556b7b650) = 315
./strace-static-x86_64: Process 315 attached
[pid   315] set_robust_list(0x555556b7b660, 24) = 0
[pid   315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   315] setpgid(0, 0)               = 0
[pid   315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   315] write(3, "1000", 4)         = 4
[pid   315] close(3)                    = 0
[pid   315] memfd_create("syzkaller", 0) = 3
[pid   315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   315] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   315] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   315] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   315] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   315] close(3)                    = 0
[pid   315] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   315] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[pid   315] ioctl(4, LOOP_CLR_FD)       = 0
[pid   315] close(4)                    = 0
[   24.578373][  T313] EXT4-fs (loop0): unable to read superblock
[   24.595276][  T315] loop0: detected capacity change from 0 to 512
[   24.602839][  T315] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   315] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   315] exit_group(0)               = ?
[pid   315] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, 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=0x555556b7b650) = 316
./strace-static-x86_64: Process 316 attached
[pid   316] set_robust_list(0x555556b7b660, 24) = 0
[pid   316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   316] setpgid(0, 0)               = 0
[pid   316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   316] write(3, "1000", 4)         = 4
[pid   316] close(3)                    = 0
[pid   316] memfd_create("syzkaller", 0) = 3
[pid   316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   316] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   316] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   316] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   316] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   316] close(3)                    = 0
[pid   316] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   316] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[pid   316] ioctl(4, LOOP_CLR_FD)       = 0
[pid   316] close(4)                    = 0
[   24.630124][  T315] EXT4-fs (loop0): unable to read superblock
[   24.644052][  T316] loop0: detected capacity change from 0 to 512
[   24.650669][  T316] ext2: Unknown parameter 'ÿÿÿÿ'
[pid   316] mount("/dev/loop0", "./file0", "ext4", MS_STRICTATIME|MS_LAZYTIME|MS_SUBMOUNT|MS_NOREMOTELOCK|MS_NOSEC|MS_BORN, NULL) = -1 EIO (Input/output error)
[pid   316] exit_group(0)               = ?
[pid   316] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, 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=0x555556b7b650) = 317
./strace-static-x86_64: Process 317 attached
[pid   317] set_robust_list(0x555556b7b660, 24) = 0
[pid   317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   317] setpgid(0, 0)               = 0
[pid   317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   317] write(3, "1000", 4)         = 4
[pid   317] close(3)                    = 0
[pid   317] memfd_create("syzkaller", 0) = 3
[pid   317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d7f4e8000
[pid   317] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   317] munmap(0x7f4d7f4e8000, 262144) = 0
[pid   317] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   317] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   317] close(3)                    = 0
[pid   317] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid   317] mount("/dev/loop0", "./file0", "ext2", MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_POSIXACL|MS_RELATIME, "\xff\xff\xff\xff\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65") = -1 EINVAL (Invalid argument)
[pid   317] ioctl(4, LOOP_CLR_FD)       = 0
[pid   317] close(4)                    = 0
[   24.679423][  T316] EXT4-fs (loop0): unable to read superblock
[   24.693862][  T317] loop0: detected capacity change from 0 to 512
[   24.700520][  T317] ext2: Unknown parameter 'ÿÿÿÿ'
[   24.706517][  T317] EXT4-fs (loop0): feature flags set on rev 0 fs, running e2fsck is recommended
[   24.716365][  T317] EXT4-fs (loop0): warning: checktime reached, running e2fsck is recommended
[   24.726140][  T317] EXT4-fs warning (device loop0): ext4_update_dynamic_rev:1084: updating to rev 1 because of new feature flag, running e2fsck is recommended
[   24.740617][  T317] EXT4-fs error (device loop0): ext4_validate_block_bitmap:399: comm syz-executor238: bg 0: block 46: invalid block bitmap
[   24.753605][  T317] Kernel panic - not syncing: EXT4-fs (device loop0): panic forced after error
[   24.762342][  T317] CPU: 0 PID: 317 Comm: syz-executor238 Not tainted 6.1.25-syzkaller-00052-gc2611a04b92f #0
[   24.772228][  T317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[   24.782127][  T317] Call Trace:
[   24.785258][  T317]  <TASK>
[   24.788026][  T317]  dump_stack_lvl+0x151/0x1b7
[   24.792540][  T317]  ? nf_tcp_handle_invalid+0x3f1/0x3f1
[   24.797842][  T317]  dump_stack+0x15/0x17
[   24.801827][  T317]  panic+0x283/0x660
[   24.805561][  T317]  ? bit_waitqueue+0x30/0x30
[   24.809988][  T317]  ? ext4_handle_error+0x657/0x890
[   24.814938][  T317]  ? memcpy_page_flushcache+0x104/0x104
[   24.820320][  T317]  ? __kasan_check_read+0x11/0x20
[   24.825173][  T317]  ? ext4_commit_super+0x3e8/0x4b0
[   24.830123][  T317]  ext4_handle_error+0x83e/0x890
[   24.834900][  T317]  __ext4_error+0x260/0x480
[   24.839237][  T317]  ? io_schedule+0x8f/0x120
[   24.843574][  T317]  ? ext4_itable_unused_set+0x100/0x100
[   24.848955][  T317]  ? __kasan_check_read+0x11/0x20
[   24.853818][  T317]  ? ext4_block_bitmap_csum_verify+0x1c7/0x570
[   24.859809][  T317]  ? ext4_inode_bitmap_csum_set+0x4e0/0x4e0
[   24.865533][  T317]  ? out_of_line_wait_on_bit+0x1ab/0x230
[   24.871003][  T317]  ? bit_wait+0xd0/0xd0
[   24.874995][  T317]  ? __wait_on_bit+0x330/0x330
[   24.879595][  T317]  ext4_validate_block_bitmap+0xd2f/0x1070
[   24.885238][  T317]  ext4_wait_block_bitmap+0x144/0x1d0
[   24.890442][  T317]  ext4_read_block_bitmap+0x41/0x80
[   24.895474][  T317]  ext4_free_blocks+0x1009/0x2c10
[   24.900335][  T317]  ? vfs_get_tree+0x88/0x290
[   24.904762][  T317]  ? do_new_mount+0x28b/0xac0
[   24.909273][  T317]  ? path_mount+0x671/0x1070
[   24.913705][  T317]  ? ext4_inode_block_valid+0x2e1/0x3f0
[   24.919087][  T317]  ? __ext4_ext_check+0x94e/0x1110
[   24.924032][  T317]  ? ext4_mb_discard_preallocations_should_retry+0x880/0x880
[   24.931246][  T317]  ? __ext4_journal_ensure_credits+0x2f/0x470
[   24.937136][  T317]  ? ext4_ext_check_inode+0x80/0x80
[   24.942171][  T317]  ? __kasan_kmalloc+0x9c/0xb0
[   24.946769][  T317]  ? ext4_inode_journal_mode+0x1a5/0x470
[   24.952239][  T317]  ext4_ext_remove_space+0x248b/0x4f50
[   24.957530][  T317]  ? __ext4_handle_dirty_metadata+0x2ec/0x830
[   24.963445][  T317]  ? ext4_ext_index_trans_blocks+0x120/0x120
[   24.969247][  T317]  ? ext4_es_remove_extent+0x1ac/0x390
[   24.974542][  T317]  ? ext4_es_lookup_extent+0x950/0x950
[   24.979841][  T317]  ext4_ext_truncate+0x1f4/0x320
[   24.984610][  T317]  ext4_truncate+0x96c/0xfb0
[   24.989042][  T317]  ? __ext4_mark_inode_dirty+0x7d0/0x7d0
[   24.994509][  T317]  ext4_process_orphan+0x1d3/0x2f0
[   24.999454][  T317]  ext4_orphan_cleanup+0xa4a/0x11e0
[   25.004490][  T317]  ? ext4_orphan_del+0xc50/0xc50
[   25.009259][  T317]  ? errseq_check_and_advance+0x64/0x130
[   25.014732][  T317]  ext4_fill_super+0x7d37/0x8450
[   25.019506][  T317]  ? ext4_parse_test_dummy_encryption+0xb0/0xb0
[   25.025576][  T317]  ? snprintf+0xd6/0x120
[   25.029659][  T317]  ? vscnprintf+0x80/0x80
[   25.033819][  T317]  ? set_blocksize+0x1cb/0x360
[   25.038423][  T317]  ? sb_set_blocksize+0xa8/0xf0
[   25.043110][  T317]  get_tree_bdev+0x440/0x680
[   25.047535][  T317]  ? ext4_parse_test_dummy_encryption+0xb0/0xb0
[   25.053614][  T317]  ext4_get_tree+0x1c/0x20
[   25.057864][  T317]  vfs_get_tree+0x88/0x290
[   25.062115][  T317]  do_new_mount+0x28b/0xac0
[   25.066455][  T317]  ? do_move_mount_old+0x160/0x160
[   25.071401][  T317]  ? security_capable+0x87/0xb0
[   25.076088][  T317]  ? ns_capable+0x89/0xe0
[   25.080261][  T317]  path_mount+0x671/0x1070
[   25.084506][  T317]  ? user_path_at_empty+0x14e/0x1a0
[   25.089543][  T317]  __se_sys_mount+0x2c4/0x3b0
[   25.094057][  T317]  ? __x64_sys_mount+0xd0/0xd0
[   25.098658][  T317]  ? fpregs_restore_userregs+0x130/0x290
[   25.104123][  T317]  __x64_sys_mount+0xbf/0xd0
[   25.108549][  T317]  do_syscall_64+0x3d/0xb0
[   25.112804][  T317]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   25.118618][  T317] RIP: 0033:0x7f4d87926a99
[   25.122868][  T317] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   25.142312][  T317] RSP: 002b:00007ffd7a8b7098 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   25.150554][  T317] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f4d87926a99
[   25.158454][  T317] RDX: 00000000200001c0 RSI: 00000000200006c0 RDI: 0000000020000640
[   25.166265][  T317] RBP: 000000000000602d R08: 0000000000000000 R09: 0000555556b7c4c0
[   25.174082][  T317] R10: 000000003f000000 R11: 0000000000000246 R12: 00007ffd7a8b70c0
[   25.181890][  T317] R13: 00007ffd7a8b70ac R14: 431bde82d7b634db R15: 00007f4d8796f03b
[   25.189790][  T317]  </TASK>
[   25.192940][  T317] Kernel Offset: disabled
[   25.197067][  T317] Rebooting in 86400 seconds..