./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2532548126 <...> [ 27.666047][ T3190] 8021q: adding VLAN 0 to HW filter on device bond0 [ 27.678834][ T3190] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 34.723779][ T28] kauditd_printk_skb: 37 callbacks suppressed [ 34.723791][ T28] audit: type=1400 audit(1655289459.735:73): avc: denied { transition } for pid=3401 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 [ 34.729419][ T28] audit: type=1400 audit(1655289459.735:74): avc: denied { write } for pid=3401 comm="sh" path="pipe:[27719]" dev="pipefs" ino=27719 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.10.36' (ECDSA) to the list of known hosts. execve("./syz-executor2532548126", ["./syz-executor2532548126"], 0x7ffd9d8eb580 /* 10 vars */) = 0 brk(NULL) = 0x5555567cd000 brk(0x5555567cdc40) = 0x5555567cdc40 arch_prctl(ARCH_SET_FS, 0x5555567cd300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2532548126", 4096) = 28 brk(0x5555567eec40) = 0x5555567eec40 brk(0x5555567ef000) = 0x5555567ef000 mprotect(0x7efcacf16000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3618 attached , child_tidptr=0x5555567cd5d0) = 3618 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] unshare(CLONE_NEWPID./strace-static-x86_64: Process 3619 attached [pid 3617] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 3619 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 3620 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 3621 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 3622 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 3623 ./strace-static-x86_64: Process 3622 attached [pid 3622] unshare(CLONE_NEWPID./strace-static-x86_64: Process 3620 attached [pid 3620] unshare(CLONE_NEWPID [pid 3618] <... unshare resumed>) = 0 [pid 3622] <... unshare resumed>) = 0 [pid 3622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 3624 [pid 3620] <... unshare resumed>) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 3625 [pid 3618] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 3626 ./strace-static-x86_64: Process 3625 attached [pid 3625] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3619] unshare(CLONE_NEWPID./strace-static-x86_64: Process 3626 attached ./strace-static-x86_64: Process 3624 attached ./strace-static-x86_64: Process 3623 attached ./strace-static-x86_64: Process 3621 attached ) = 0 [pid 3626] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 3624] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 3623] unshare(CLONE_NEWPID) = 0 [pid 3621] unshare(CLONE_NEWPID [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3625] setsid() = 1 [pid 3621] <... unshare resumed>) = 0 [pid 3626] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3621] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3625] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3625] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 3626] <... prctl resumed>) = 0 [pid 3624] <... prctl resumed>) = 0 [pid 3619] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 3627 [pid 3626] setsid( [pid 3624] setsid( [pid 3623] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 3628 [pid 3621] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 3629 [pid 3625] <... prlimit64 resumed>NULL) = 0 [pid 3625] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3625] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3625] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3625] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3625] unshare(CLONE_NEWNS) = 0 [pid 3625] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3625] unshare(CLONE_NEWIPC) = 0 ./strace-static-x86_64: Process 3627 attached ./strace-static-x86_64: Process 3628 attached [pid 3627] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 3628] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 3627] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3625] unshare(CLONE_NEWCGROUP [pid 3628] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3625] <... unshare resumed>) = 0 [pid 3625] unshare(CLONE_NEWUTS) = 0 [pid 3625] unshare(CLONE_SYSVSEM) = 0 [pid 3625] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3628] setsid() = 1 [pid 3628] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3628] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 3625] <... openat resumed>) = 3 [pid 3628] <... prlimit64 resumed>NULL) = 0 [pid 3628] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3628] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3628] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3628] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3628] unshare(CLONE_NEWNS) = 0 [pid 3625] write(3, "16777216", 8) = 8 [pid 3625] close(3) = 0 [pid 3625] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3628] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3628] unshare(CLONE_NEWIPC) = 0 [pid 3625] write(3, "536870912", 9) = 9 [pid 3625] close(3) = 0 [pid 3625] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 44.695050][ T28] audit: type=1400 audit(1655289469.705:75): avc: denied { execmem } for pid=3617 comm="syz-executor253" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 3627] setsid() = 1 [pid 3628] unshare(CLONE_NEWCGROUP [pid 3627] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 3628] <... unshare resumed>) = 0 [pid 3627] <... prlimit64 resumed>NULL) = 0 [pid 3628] unshare(CLONE_NEWUTS [pid 3627] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 3628] <... unshare resumed>) = 0 [pid 3627] <... prlimit64 resumed>NULL) = 0 [pid 3625] <... openat resumed>) = 3 ./strace-static-x86_64: Process 3629 attached [pid 3628] unshare(CLONE_SYSVSEM [pid 3627] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 3626] <... setsid resumed>) = 1 [pid 3624] <... setsid resumed>) = 1 [pid 3628] <... unshare resumed>) = 0 [pid 3627] <... prlimit64 resumed>NULL) = 0 [pid 3625] write(3, "1024", 4 [pid 3628] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3627] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 3625] <... write resumed>) = 4 [pid 3628] <... openat resumed>) = 3 [pid 3627] <... prlimit64 resumed>NULL) = 0 [pid 3625] close(3 [pid 3628] write(3, "16777216", 8 [pid 3627] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, [pid 3625] <... close resumed>) = 0 [pid 3628] <... write resumed>) = 8 [pid 3627] <... prlimit64 resumed>NULL) = 0 [pid 3625] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3628] close(3 [pid 3627] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 3625] <... openat resumed>) = 3 [pid 3628] <... close resumed>) = 0 [pid 3627] <... prlimit64 resumed>NULL) = 0 [pid 3625] write(3, "8192", 4 [pid 3628] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3627] unshare(CLONE_NEWNS [pid 3628] <... openat resumed>) = 3 [pid 3627] <... unshare resumed>) = 0 [pid 3625] <... write resumed>) = 4 [pid 3628] write(3, "536870912", 9 [pid 3627] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 3628] <... write resumed>) = 9 [pid 3627] <... mount resumed>) = 0 [pid 3625] close(3 [pid 3628] close(3 [pid 3627] unshare(CLONE_NEWIPC [pid 3625] <... close resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3627] <... unshare resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3628] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3627] unshare(CLONE_NEWCGROUP [pid 3625] <... openat resumed>) = 3 [pid 3628] <... openat resumed>) = 3 [pid 3627] <... unshare resumed>) = 0 [pid 3625] write(3, "1024", 4 [pid 3628] write(3, "1024", 4 [pid 3627] unshare(CLONE_NEWUTS [pid 3625] <... write resumed>) = 4 [pid 3628] <... write resumed>) = 4 [pid 3627] <... unshare resumed>) = 0 [pid 3625] close(3 [pid 3628] close(3 [pid 3627] unshare(CLONE_SYSVSEM [pid 3625] <... close resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3627] <... unshare resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 3628] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3627] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3625] <... openat resumed>) = 3 [pid 3628] <... openat resumed>) = 3 [pid 3627] <... openat resumed>) = 3 [pid 3625] write(3, "1024", 4 [pid 3628] write(3, "8192", 4 [pid 3627] write(3, "16777216", 8 [pid 3625] <... write resumed>) = 4 [pid 3628] <... write resumed>) = 4 [pid 3627] <... write resumed>) = 8 [pid 3625] close(3 [pid 3628] close(3 [pid 3627] close(3 [pid 3625] <... close resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3628] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3627] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3625] <... openat resumed>) = 3 [pid 3629] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 3628] <... openat resumed>) = 3 [pid 3627] <... openat resumed>) = 3 [pid 3626] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 3625] write(3, "1024 1048576 500 1024", 21 [pid 3624] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 3628] write(3, "1024", 4 [pid 3627] write(3, "536870912", 9 [pid 3625] <... write resumed>) = 21 [pid 3629] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3628] <... write resumed>) = 4 [pid 3627] <... write resumed>) = 9 [pid 3626] <... prlimit64 resumed>NULL) = 0 [pid 3625] close(3 [pid 3624] <... prlimit64 resumed>NULL) = 0 [pid 3628] close(3 [pid 3627] close(3 [pid 3625] <... close resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3625] getpid( [pid 3628] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 3627] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3625] <... getpid resumed>) = 1 [pid 3628] <... openat resumed>) = 3 [pid 3627] <... openat resumed>) = 3 [pid 3625] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 3628] write(3, "1024", 4 [pid 3627] write(3, "1024", 4 [pid 3625] <... capget resumed>{effective=1<) = 4 [pid 3627] <... write resumed>) = 4 [pid 3625] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3628] close(3 [pid 3627] close(3 [pid 3625] <... capset resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3625] unshare(CLONE_NEWNET [pid 3628] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3627] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3628] <... openat resumed>) = 3 [ 44.717483][ T28] audit: type=1400 audit(1655289469.725:76): avc: denied { mounton } for pid=3625 comm="syz-executor253" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 44.718720][ T28] audit: type=1400 audit(1655289469.725:77): avc: denied { mount } for pid=3625 comm="syz-executor253" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [pid 3627] <... openat resumed>) = 3 [pid 3626] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 3624] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 3629] <... prctl resumed>) = 0 [pid 3628] write(3, "1024 1048576 500 1024", 21 [pid 3627] write(3, "8192", 4 [pid 3626] <... prlimit64 resumed>NULL) = 0 [pid 3624] <... prlimit64 resumed>NULL) = 0 [pid 3629] setsid( [pid 3628] <... write resumed>) = 21 [pid 3627] <... write resumed>) = 4 [pid 3626] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 3629] <... setsid resumed>) = 1 [pid 3628] close(3 [pid 3627] close(3 [pid 3626] <... prlimit64 resumed>NULL) = 0 [pid 3624] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 3629] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 3628] <... close resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3626] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 3624] <... prlimit64 resumed>NULL) = 0 [pid 3629] <... prlimit64 resumed>NULL) = 0 [pid 3628] getpid( [pid 3627] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3626] <... prlimit64 resumed>NULL) = 0 [pid 3624] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 3629] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 3628] <... getpid resumed>) = 1 [pid 3627] <... openat resumed>) = 3 [pid 3626] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, [pid 3624] <... prlimit64 resumed>NULL) = 0 [pid 3629] <... prlimit64 resumed>NULL) = 0 [pid 3628] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 3627] write(3, "1024", 4 [pid 3626] <... prlimit64 resumed>NULL) = 0 [pid 3624] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, [pid 3629] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 3628] <... capget resumed>{effective=1<) = 4 [pid 3626] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 3624] <... prlimit64 resumed>NULL) = 0 [pid 3629] <... prlimit64 resumed>NULL) = 0 [pid 3628] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3627] close(3 [pid 3629] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 3628] <... capset resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3626] <... prlimit64 resumed>NULL) = 0 [pid 3624] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 3629] <... prlimit64 resumed>NULL) = 0 [pid 3628] unshare(CLONE_NEWNET [pid 3627] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 3626] unshare(CLONE_NEWNS [pid 3624] <... prlimit64 resumed>NULL) = 0 [pid 3629] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, [pid 3627] <... openat resumed>) = 3 [pid 3627] write(3, "1024", 4 [pid 3629] <... prlimit64 resumed>NULL) = 0 [pid 3627] <... write resumed>) = 4 [pid 3626] <... unshare resumed>) = 0 [pid 3624] unshare(CLONE_NEWNS [pid 3629] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 3627] close(3 [pid 3629] <... prlimit64 resumed>NULL) = 0 [pid 3627] <... close resumed>) = 0 [pid 3626] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 3624] <... unshare resumed>) = 0 [pid 3629] unshare(CLONE_NEWNS [pid 3627] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3629] <... unshare resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 3626] <... mount resumed>) = 0 [pid 3624] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 3629] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 3627] write(3, "1024 1048576 500 1024", 21 [pid 3626] unshare(CLONE_NEWIPC [pid 3629] <... mount resumed>) = 0 [pid 3627] <... write resumed>) = 21 [pid 3624] <... mount resumed>) = 0 [pid 3627] close(3 [pid 3626] <... unshare resumed>) = 0 [pid 3629] unshare(CLONE_NEWIPC [pid 3627] <... close resumed>) = 0 [pid 3624] unshare(CLONE_NEWIPC [pid 3627] getpid( [pid 3626] unshare(CLONE_NEWCGROUP [pid 3629] <... unshare resumed>) = 0 [pid 3627] <... getpid resumed>) = 1 [pid 3629] unshare(CLONE_NEWCGROUP [pid 3627] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 3626] <... unshare resumed>) = 0 [pid 3624] <... unshare resumed>) = 0 [pid 3629] <... unshare resumed>) = 0 [pid 3627] <... capget resumed>{effective=1< [pid 3629] unshare(CLONE_NEWUTS [pid 3627] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3624] unshare(CLONE_NEWCGROUP [pid 3629] <... unshare resumed>) = 0 [pid 3627] <... capset resumed>) = 0 [ 44.733392][ T28] audit: type=1400 audit(1655289469.745:78): avc: denied { mounton } for pid=3625 comm="syz-executor253" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [pid 3626] <... unshare resumed>) = 0 [pid 3629] unshare(CLONE_SYSVSEM [pid 3627] unshare(CLONE_NEWNET [pid 3624] <... unshare resumed>) = 0 [pid 3629] <... unshare resumed>) = 0 [pid 3626] unshare(CLONE_SYSVSEM [pid 3625] <... unshare resumed>) = 0 [pid 3624] unshare(CLONE_NEWUTS [pid 3629] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3626] <... unshare resumed>) = 0 [pid 3625] mkdir("/dev/binderfs", 0777 [pid 3624] <... unshare resumed>) = 0 [pid 3629] <... openat resumed>) = 3 [pid 3626] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3625] <... mkdir resumed>) = 0 [pid 3624] unshare(CLONE_SYSVSEM [pid 3629] write(3, "16777216", 8 [pid 3626] <... openat resumed>) = 3 [pid 3625] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 3624] <... unshare resumed>) = 0 [pid 3629] <... write resumed>) = 8 [pid 3626] write(3, "16777216", 8 [pid 3625] <... mount resumed>) = 0 [pid 3624] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 3629] close(3 [pid 3626] <... write resumed>) = 8 [pid 3625] symlink("/dev/binderfs", "./binderfs" [pid 3624] <... openat resumed>) = 3 [pid 3629] <... close resumed>) = 0 [pid 3626] close(3 [pid 3625] <... symlink resumed>) = 0 [pid 3624] write(3, "16777216", 8 [pid 3629] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3626] <... close resumed>) = 0 [pid 3624] <... write resumed>) = 8 [pid 3629] <... openat resumed>) = 3 [pid 3626] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3624] close(3 [pid 3629] write(3, "536870912", 9 [pid 3626] <... openat resumed>) = 3 [pid 3624] <... close resumed>) = 0 [pid 3629] <... write resumed>) = 9 [pid 3626] write(3, "536870912", 9 [pid 3624] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 3629] close(3 [pid 3626] <... write resumed>) = 9 [pid 3624] <... openat resumed>) = 3 [pid 3629] <... close resumed>) = 0 [pid 3626] close(3 [pid 3625] <... openat resumed>) = 3 [pid 3624] write(3, "536870912", 9 [pid 3629] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3626] <... close resumed>) = 0 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3624] <... write resumed>) = 9 [pid 3629] <... openat resumed>) = 3 [pid 3626] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3624] close(3 [pid 3629] write(3, "1024", 4 [pid 3626] <... openat resumed>) = 3 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3624] <... close resumed>) = 0 [pid 3629] <... write resumed>) = 4 [pid 3626] write(3, "1024", 4 [pid 3625] close(3 [ 44.853479][ T28] audit: type=1400 audit(1655289469.865:79): avc: denied { mounton } for pid=3625 comm="syz-executor253" path="/dev/binderfs" dev="devtmpfs" ino=2312 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [pid 3624] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 3629] close(3 [pid 3626] <... write resumed>) = 4 [pid 3624] <... openat resumed>) = 3 [pid 3629] <... close resumed>) = 0 [pid 3626] close(3 [pid 3625] <... close resumed>) = 0 [pid 3624] write(3, "1024", 4 [pid 3629] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3626] <... close resumed>) = 0 [pid 3624] <... write resumed>) = 4 [pid 3629] <... openat resumed>) = 3 [pid 3626] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3624] close(3 [pid 3629] write(3, "8192", 4 [pid 3626] <... openat resumed>) = 3 [pid 3624] <... close resumed>) = 0 [pid 3629] <... write resumed>) = 4 [pid 3626] write(3, "8192", 4 [pid 3624] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 3629] close(3 [pid 3626] <... write resumed>) = 4 [pid 3624] <... openat resumed>) = 3 [pid 3629] <... close resumed>) = 0 [pid 3626] close(3 [pid 3624] write(3, "8192", 4 [pid 3629] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3626] <... close resumed>) = 0 [pid 3624] <... write resumed>) = 4 [pid 3629] <... openat resumed>) = 3 [pid 3626] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3624] close(3 [pid 3629] write(3, "1024", 4 [pid 3626] <... openat resumed>) = 3 [pid 3624] <... close resumed>) = 0 [pid 3629] <... write resumed>) = 4 [pid 3626] write(3, "1024", 4 [pid 3624] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 3629] close(3 [pid 3626] <... write resumed>) = 4 [pid 3624] <... openat resumed>) = 3 [pid 3629] <... close resumed>) = 0 [pid 3626] close(3 [pid 3624] write(3, "1024", 4 [pid 3629] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 3626] <... close resumed>) = 0 [pid 3624] <... write resumed>) = 4 [pid 3629] <... openat resumed>) = 3 [pid 3626] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 3624] close(3 [pid 3629] write(3, "1024", 4 [pid 3626] <... openat resumed>) = 3 [pid 3624] <... close resumed>) = 0 [pid 3629] <... write resumed>) = 4 [pid 3626] write(3, "1024", 4 [pid 3624] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 3629] close(3 [pid 3626] <... write resumed>) = 4 [pid 3624] <... openat resumed>) = 3 [pid 3629] <... close resumed>) = 0 [pid 3626] close(3 [pid 3624] write(3, "1024", 4 [pid 3629] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3626] <... close resumed>) = 0 [pid 3624] <... write resumed>) = 4 [pid 3629] <... openat resumed>) = 3 [pid 3626] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3624] close(3 [pid 3629] write(3, "1024 1048576 500 1024", 21 [pid 3626] <... openat resumed>) = 3 [pid 3624] <... close resumed>) = 0 [pid 3629] <... write resumed>) = 21 [pid 3626] write(3, "1024 1048576 500 1024", 21 [pid 3624] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 3629] close(3 [pid 3626] <... write resumed>) = 21 [pid 3624] <... openat resumed>) = 3 [pid 3629] <... close resumed>) = 0 [pid 3626] close(3 [pid 3624] write(3, "1024 1048576 500 1024", 21 [pid 3629] getpid( [pid 3626] <... close resumed>) = 0 [pid 3624] <... write resumed>) = 21 [pid 3629] <... getpid resumed>) = 1 [pid 3626] getpid( [pid 3624] close(3 [pid 3629] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 3626] <... getpid resumed>) = 1 [pid 3624] <... close resumed>) = 0 [pid 3629] <... capget resumed>{effective=1< [pid 3624] getpid( [pid 3629] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3626] <... capget resumed>{effective=1<) = 1 [pid 3629] <... capset resumed>) = 0 [pid 3626] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3624] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 3629] unshare(CLONE_NEWNET [pid 3626] <... capset resumed>) = 0 [pid 3624] <... capget resumed>{effective=1< [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3628] <... unshare resumed>) = 0 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 2 [pid 3631] <... prctl resumed>) = 0 [pid 3628] mkdir("/dev/binderfs", 0777 [pid 3631] setpgid(0, 0) = 0 [pid 3628] <... mkdir resumed>) = -1 EEXIST (File exists) [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, 4194300) = 0 [pid 3631] pwrite64(3, NULL, 0, 69888) = 0 [pid 3631] pwrite64(3, NULL, 0, 71040) = 0 [pid 3631] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 3631] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3631] mkdir("./file0", 0777) = 0 [pid 3631] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3628] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 3628] symlink("/dev/binderfs", "./binderfs") = -1 EEXIST (File exists) [pid 3628] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 3628] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 44.888207][ T28] audit: type=1400 audit(1655289469.895:81): avc: denied { read write } for pid=3625 comm="syz-executor253" name="loop2" dev="devtmpfs" ino=646 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 44.888251][ T28] audit: type=1400 audit(1655289469.895:82): avc: denied { open } for pid=3625 comm="syz-executor253" path="/dev/loop2" dev="devtmpfs" ino=646 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 3628] close(3 [pid 3627] <... unshare resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3627] mkdir("/dev/binderfs", 0777 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] <... mkdir resumed>) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 3632 attached [pid 3627] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 3632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3628] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 2 [pid 3627] <... mount resumed>) = 0 [pid 3632] <... prctl resumed>) = 0 [ 44.890735][ T28] audit: type=1400 audit(1655289469.905:83): avc: denied { ioctl } for pid=3625 comm="syz-executor253" path="/dev/loop2" dev="devtmpfs" ino=646 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 44.994337][ T3631] loop2: detected capacity change from 0 to 264192 [pid 3627] symlink("/dev/binderfs", "./binderfs" [pid 3632] setpgid(0, 0 [pid 3627] <... symlink resumed>) = -1 EEXIST (File exists) [pid 3632] <... setpgid resumed>) = 0 [pid 3632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3632] <... openat resumed>) = 3 [pid 3627] <... openat resumed>) = 3 [pid 3632] write(3, "1000", 4 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3632] <... write resumed>) = 4 [pid 3632] close(3 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3632] <... close resumed>) = 0 [pid 3627] close(3 [pid 3632] memfd_create("syzkaller", 0 [pid 3627] <... close resumed>) = 0 [pid 3632] <... memfd_create resumed>) = 3 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3632] ftruncate(3, 135266304) = 0 ./strace-static-x86_64: Process 3635 attached [pid 3632] 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 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 2 [pid 3632] <... pwrite64 resumed>) = 102 [pid 3632] pwrite64(3, NULL, 0, 1248) = 0 [pid 3632] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3632] <... pwrite64 resumed>) = 9 [pid 3635] <... prctl resumed>) = 0 [pid 3632] pwrite64(3, NULL, 0, 1600 [pid 3635] setpgid(0, 0 [pid 3632] <... pwrite64 resumed>) = 0 [pid 3635] <... setpgid resumed>) = 0 [pid 3632] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3632] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3632] pwrite64(3, NULL, 0, 26624 [pid 3635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3632] <... pwrite64 resumed>) = 0 [pid 3635] <... openat resumed>) = 3 [pid 3632] pwrite64(3, NULL, 0, 36864 [pid 3635] write(3, "1000", 4 [pid 3632] <... pwrite64 resumed>) = 0 [pid 3635] <... write resumed>) = 4 [pid 3632] pwrite64(3, NULL, 0, 4194300 [pid 3635] close(3 [pid 3632] <... pwrite64 resumed>) = 0 [pid 3635] <... close resumed>) = 0 [pid 3632] pwrite64(3, NULL, 0, 69888 [pid 3635] memfd_create("syzkaller", 0 [pid 3632] <... pwrite64 resumed>) = 0 [pid 3632] pwrite64(3, NULL, 0, 71040) = 0 [pid 3632] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 3632] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3631] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3635] <... memfd_create resumed>) = 3 [pid 3632] mkdir("./file0", 0777 [pid 3631] ioctl(4, LOOP_CLR_FD [pid 3635] ftruncate(3, 135266304 [pid 3632] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3635] <... ftruncate resumed>) = 0 [pid 3632] mount("/dev/loop5", "./file0", "ext4", 0, ",errors=continue" [pid 3635] 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 3635] pwrite64(3, NULL, 0, 1248) = 0 [pid 3635] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3635] pwrite64(3, NULL, 0, 1600) = 0 [pid 3635] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3635] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3635] pwrite64(3, NULL, 0, 26624) = 0 [pid 3635] pwrite64(3, NULL, 0, 36864) = 0 [pid 3635] pwrite64(3, NULL, 0, 4194300) = 0 [pid 3635] pwrite64(3, NULL, 0, 69888) = 0 [pid 3635] pwrite64(3, NULL, 0, 71040) = 0 [pid 3635] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 45.007405][ T28] audit: type=1400 audit(1655289469.995:84): avc: denied { mounton } for pid=3631 comm="syz-executor253" path="/root/file0" dev="sda1" ino=1139 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 45.080493][ T3631] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3635] ioctl(4, LOOP_SET_FD, 3 [pid 3631] <... ioctl resumed>) = 0 [pid 3626] <... unshare resumed>) = 0 [pid 3626] mkdir("/dev/binderfs", 0777 [pid 3631] close(4) = 0 [pid 3631] close(3 [pid 3626] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3626] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 3632] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3631] <... close resumed>) = 0 [pid 3631] close(3) = -1 EBADF (Bad file descriptor) [pid 3631] close(4) = -1 EBADF (Bad file descriptor) [pid 3631] close(5 [pid 3626] <... mount resumed>) = 0 [pid 3631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] ioctl(4, LOOP_CLR_FD [pid 3626] symlink("/dev/binderfs", "./binderfs" [pid 3631] close(6) = -1 EBADF (Bad file descriptor) [pid 3631] close(7) = -1 EBADF (Bad file descriptor) [pid 3626] <... symlink resumed>) = -1 EEXIST (File exists) [pid 3631] close(8 [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3631] close(9) = -1 EBADF (Bad file descriptor) [pid 3631] close(10) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3631] close(11 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3635] <... ioctl resumed>) = 0 [pid 3631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3631] close(12) = -1 EBADF (Bad file descriptor) [pid 3631] close(13) = -1 EBADF (Bad file descriptor) [pid 3631] close(14) = -1 EBADF (Bad file descriptor) [pid 3631] close(15) = -1 EBADF (Bad file descriptor) [pid 3631] close(16) = -1 EBADF (Bad file descriptor) [pid 3631] close(17) = -1 EBADF (Bad file descriptor) [pid 3631] close(18) = -1 EBADF (Bad file descriptor) [pid 3635] mkdir("./file0", 0777 [pid 3631] close(19) = -1 EBADF (Bad file descriptor) [pid 3631] close(20) = -1 EBADF (Bad file descriptor) [pid 3631] close(21 [pid 3635] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] close(3 [pid 3635] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [ 45.082027][ T3631] EXT4-fs (loop2): get root inode failed [ 45.082042][ T3631] EXT4-fs (loop2): mount failed [ 45.106549][ T3632] loop5: detected capacity change from 0 to 264192 [ 45.152026][ T3632] EXT4-fs error (device loop5): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3631] close(22 [pid 3632] <... ioctl resumed>) = 0 [pid 3631] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... unshare resumed>) = 0 [pid 3626] <... close resumed>) = 0 [pid 3631] close(23) = -1 EBADF (Bad file descriptor) [pid 3631] close(24) = -1 EBADF (Bad file descriptor) [pid 3631] close(25) = -1 EBADF (Bad file descriptor) [pid 3631] close(26) = -1 EBADF (Bad file descriptor) [pid 3631] close(27) = -1 EBADF (Bad file descriptor) [pid 3631] close(28) = -1 EBADF (Bad file descriptor) [pid 3631] close(29) = -1 EBADF (Bad file descriptor) [pid 3631] exit_group(0 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3632] close(4 [pid 3631] <... exit_group resumed>) = ? [pid 3632] <... close resumed>) = 0 [pid 3631] +++ exited with 0 +++ [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3625] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3632] close(3 [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 2 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3624] <... unshare resumed>) = 0 [pid 3635] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3632] <... close resumed>) = 0 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3625] close(3) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 3 ./strace-static-x86_64: Process 3641 attached [pid 3641] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3624] mkdir("/dev/binderfs", 0777 [pid 3641] <... prctl resumed>) = 0 [pid 3641] setpgid(0, 0 [pid 3624] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3641] <... setpgid resumed>) = 0 [pid 3624] mount("binder", "/dev/binderfs", "binder", 0, NULL [ 45.152477][ T3632] EXT4-fs (loop5): get root inode failed [ 45.152491][ T3632] EXT4-fs (loop5): mount failed [ 45.171689][ T3635] loop1: detected capacity change from 0 to 264192 [ 45.215262][ T3635] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 45.227921][ T3635] EXT4-fs (loop1): get root inode failed [pid 3641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3624] <... mount resumed>) = 0 [pid 3641] <... openat resumed>) = 3 [pid 3635] ioctl(4, LOOP_CLR_FD [pid 3632] close(3 [pid 3641] write(3, "1000", 4 [pid 3624] symlink("/dev/binderfs", "./binderfs" [pid 3641] <... write resumed>) = 4 [pid 3641] close(3 [pid 3629] mkdir("/dev/binderfs", 0777 [pid 3624] <... symlink resumed>) = -1 EEXIST (File exists) [pid 3641] <... close resumed>) = 0 [pid 3629] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3641] memfd_create("syzkaller", 0 [pid 3629] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 3624] <... openat resumed>) = 3 [pid 3641] <... memfd_create resumed>) = 3 [pid 3629] <... mount resumed>) = 0 [pid 3641] ftruncate(3, 135266304 [pid 3629] symlink("/dev/binderfs", "./binderfs" [pid 3624] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 3642 attached [pid 3641] <... ftruncate resumed>) = 0 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... symlink resumed>) = -1 EEXIST (File exists) [pid 3642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3641] 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 [pid 3632] close(4 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3642] <... prctl resumed>) = 0 [pid 3641] <... pwrite64 resumed>) = 102 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... openat resumed>) = 3 [pid 3624] close(3 [pid 3641] pwrite64(3, NULL, 0, 1248 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3624] <... close resumed>) = 0 [pid 3642] setpgid(0, 0 [pid 3641] <... pwrite64 resumed>) = 0 [pid 3632] close(5 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3642] <... setpgid resumed>) = 0 [pid 3641] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] close(3 [pid 3642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3641] <... pwrite64 resumed>) = 9 [pid 3632] close(6 [pid 3629] <... close resumed>) = 0 [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 2 [pid 3642] <... openat resumed>) = 3 [pid 3641] pwrite64(3, NULL, 0, 1600 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3642] write(3, "1000", 4 [pid 3641] <... pwrite64 resumed>) = 0 [pid 3632] close(7 [pid 3642] <... write resumed>) = 4 [pid 3641] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 2 [pid 3642] close(3 [pid 3641] <... pwrite64 resumed>) = 9 [pid 3632] close(8 [pid 3642] <... close resumed>) = 0 [pid 3641] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] memfd_create("syzkaller", 0 [pid 3641] <... pwrite64 resumed>) = 8 [pid 3632] close(9./strace-static-x86_64: Process 3643 attached [pid 3642] <... memfd_create resumed>) = 3 [pid 3641] pwrite64(3, NULL, 0, 26624 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] ftruncate(3, 135266304 [pid 3641] <... pwrite64 resumed>) = 0 [pid 3632] close(10./strace-static-x86_64: Process 3644 attached [pid 3643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3642] <... ftruncate resumed>) = 0 [pid 3641] pwrite64(3, NULL, 0, 36864 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3643] <... prctl resumed>) = 0 [pid 3642] 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 [pid 3641] <... pwrite64 resumed>) = 0 [pid 3632] close(11 [pid 3644] <... prctl resumed>) = 0 [pid 3643] setpgid(0, 0 [pid 3642] <... pwrite64 resumed>) = 102 [pid 3641] pwrite64(3, NULL, 0, 4194300 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] setpgid(0, 0 [pid 3643] <... setpgid resumed>) = 0 [pid 3642] pwrite64(3, NULL, 0, 1248 [pid 3641] <... pwrite64 resumed>) = 0 [pid 3632] close(12 [pid 3644] <... setpgid resumed>) = 0 [pid 3643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3642] <... pwrite64 resumed>) = 0 [pid 3641] pwrite64(3, NULL, 0, 69888 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3643] <... openat resumed>) = 3 [pid 3642] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3641] <... pwrite64 resumed>) = 0 [pid 3632] close(13 [pid 3644] <... openat resumed>) = 3 [pid 3643] write(3, "1000", 4 [pid 3642] <... pwrite64 resumed>) = 9 [ 45.227935][ T3635] EXT4-fs (loop1): mount failed [pid 3641] pwrite64(3, NULL, 0, 71040 [pid 3635] <... ioctl resumed>) = 0 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] write(3, "1000", 4 [pid 3643] <... write resumed>) = 4 [pid 3642] pwrite64(3, NULL, 0, 1600 [pid 3641] <... pwrite64 resumed>) = 0 [pid 3644] <... write resumed>) = 4 [pid 3641] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3643] close(3 [pid 3635] close(4 [pid 3642] <... pwrite64 resumed>) = 0 [pid 3632] close(14 [pid 3644] close(3 [pid 3643] <... close resumed>) = 0 [pid 3642] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3641] <... openat resumed>) = 4 [pid 3635] <... close resumed>) = 0 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] <... close resumed>) = 0 [pid 3643] memfd_create("syzkaller", 0 [pid 3642] <... pwrite64 resumed>) = 9 [pid 3641] ioctl(4, LOOP_SET_FD, 3 [pid 3635] close(3 [pid 3632] close(15 [pid 3644] memfd_create("syzkaller", 0 [pid 3643] <... memfd_create resumed>) = 3 [pid 3642] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3641] <... ioctl resumed>) = 0 [pid 3635] <... close resumed>) = 0 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] <... memfd_create resumed>) = 3 [pid 3643] ftruncate(3, 135266304 [pid 3642] <... pwrite64 resumed>) = 8 [pid 3641] mkdir("./file0", 0777 [pid 3635] close(3 [pid 3632] close(16 [pid 3644] ftruncate(3, 135266304 [pid 3643] <... ftruncate resumed>) = 0 [pid 3642] pwrite64(3, NULL, 0, 26624 [pid 3641] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] <... ftruncate resumed>) = 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 [pid 3642] <... pwrite64 resumed>) = 0 [pid 3641] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3635] close(4 [pid 3632] close(17 [pid 3644] 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 [pid 3643] <... pwrite64 resumed>) = 102 [pid 3642] pwrite64(3, NULL, 0, 36864 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] <... pwrite64 resumed>) = 102 [pid 3643] pwrite64(3, NULL, 0, 1248 [pid 3642] <... pwrite64 resumed>) = 0 [pid 3635] close(5 [pid 3632] close(18 [pid 3644] pwrite64(3, NULL, 0, 1248 [pid 3643] <... pwrite64 resumed>) = 0 [pid 3642] pwrite64(3, NULL, 0, 4194300 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] <... pwrite64 resumed>) = 0 [pid 3643] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3642] <... pwrite64 resumed>) = 0 [pid 3635] close(6 [pid 3632] close(19 [pid 3644] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3643] <... pwrite64 resumed>) = 9 [pid 3642] pwrite64(3, NULL, 0, 69888 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] <... pwrite64 resumed>) = 9 [pid 3643] pwrite64(3, NULL, 0, 1600 [pid 3642] <... pwrite64 resumed>) = 0 [pid 3635] close(7 [pid 3632] close(20 [pid 3644] pwrite64(3, NULL, 0, 1600 [pid 3643] <... pwrite64 resumed>) = 0 [pid 3642] pwrite64(3, NULL, 0, 71040 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] <... pwrite64 resumed>) = 0 [pid 3643] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3642] <... pwrite64 resumed>) = 0 [pid 3635] close(8 [pid 3632] close(21 [pid 3643] <... pwrite64 resumed>) = 9 [pid 3642] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3642] <... openat resumed>) = 4 [pid 3635] close(9 [pid 3632] close(22 [pid 3643] <... pwrite64 resumed>) = 8 [pid 3642] ioctl(4, LOOP_SET_FD, 3 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] pwrite64(3, NULL, 0, 26624 [pid 3642] <... ioctl resumed>) = 0 [pid 3635] close(10 [pid 3632] close(23 [pid 3643] <... pwrite64 resumed>) = 0 [pid 3642] mkdir("./file0", 0777 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] pwrite64(3, NULL, 0, 36864 [pid 3642] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3635] close(11 [pid 3632] close(24 [pid 3643] <... pwrite64 resumed>) = 0 [pid 3642] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] <... pwrite64 resumed>) = 9 [pid 3643] pwrite64(3, NULL, 0, 4194300 [pid 3635] close(12 [pid 3632] close(25 [pid 3644] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3643] <... pwrite64 resumed>) = 0 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] <... pwrite64 resumed>) = 8 [pid 3643] pwrite64(3, NULL, 0, 69888 [pid 3635] close(13 [pid 3632] close(26 [pid 3643] <... pwrite64 resumed>) = 0 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] pwrite64(3, NULL, 0, 71040 [pid 3635] close(14 [pid 3632] close(27 [pid 3644] pwrite64(3, NULL, 0, 26624 [pid 3643] <... pwrite64 resumed>) = 0 [ 45.301681][ T3641] loop0: detected capacity change from 0 to 264192 [ 45.334803][ T3642] loop2: detected capacity change from 0 to 264192 [pid 3641] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] <... pwrite64 resumed>) = 0 [pid 3643] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3642] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3641] ioctl(4, LOOP_CLR_FD [pid 3635] close(15 [pid 3632] close(28 [pid 3644] pwrite64(3, NULL, 0, 36864 [pid 3643] <... openat resumed>) = 4 [pid 3642] ioctl(4, LOOP_CLR_FD [pid 3641] <... ioctl resumed>) = 0 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] <... pwrite64 resumed>) = 0 [pid 3643] ioctl(4, LOOP_SET_FD, 3 [pid 3641] close(4 [pid 3635] close(16 [pid 3632] close(29 [pid 3644] pwrite64(3, NULL, 0, 4194300 [pid 3643] <... ioctl resumed>) = 0 [pid 3641] <... close resumed>) = 0 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] <... pwrite64 resumed>) = 0 [pid 3643] mkdir("./file0", 0777 [pid 3641] close(3 [pid 3635] close(17 [pid 3632] exit_group(0 [pid 3644] pwrite64(3, NULL, 0, 69888 [pid 3643] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3641] <... close resumed>) = 0 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3632] <... exit_group resumed>) = ? [pid 3644] <... pwrite64 resumed>) = 0 [pid 3643] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3641] close(3 [pid 3635] close(18 [pid 3632] +++ exited with 0 +++ [pid 3644] pwrite64(3, NULL, 0, 71040 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3644] <... pwrite64 resumed>) = 0 [pid 3641] close(4 [pid 3635] close(19 [pid 3644] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3644] <... openat resumed>) = 4 [pid 3641] close(5 [pid 3635] close(20 [pid 3644] ioctl(4, LOOP_SET_FD, 3 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3644] <... ioctl resumed>) = 0 [pid 3641] close(6 [pid 3635] close(21 [pid 3628] <... openat resumed>) = 3 [pid 3644] mkdir("./file0", 0777 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3644] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3641] close(7 [pid 3635] close(22 [pid 3628] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3644] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 45.352374][ T3641] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3628] close(3 [pid 3641] close(8 [pid 3635] close(23 [pid 3628] <... close resumed>) = 0 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3641] close(9 [pid 3635] close(24) = -1 EBADF (Bad file descriptor) [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(25 [pid 3641] close(10 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 3 ./strace-static-x86_64: Process 3654 attached [pid 3643] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(26 [pid 3654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3643] ioctl(4, LOOP_CLR_FD [pid 3641] close(11 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] <... prctl resumed>) = 0 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(27 [pid 3654] setpgid(0, 0 [pid 3642] <... ioctl resumed>) = 0 [pid 3641] close(12 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] <... setpgid resumed>) = 0 [pid 3642] close(4 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(28 [pid 3654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3642] <... close resumed>) = 0 [pid 3641] close(13 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] <... openat resumed>) = 3 [pid 3642] close(3 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] close(29 [pid 3654] write(3, "1000", 4 [pid 3642] <... close resumed>) = 0 [pid 3641] close(14 [pid 3635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] <... write resumed>) = 4 [pid 3642] close(3 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] exit_group(0 [pid 3654] close(3 [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] close(15 [pid 3635] <... exit_group resumed>) = ? [pid 3654] <... close resumed>) = 0 [pid 3642] close(4 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3635] +++ exited with 0 +++ [pid 3654] memfd_create("syzkaller", 0 [pid 3644] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] close(16 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3654] <... memfd_create resumed>) = 3 [pid 3644] ioctl(4, LOOP_CLR_FD [pid 3642] close(5 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] ftruncate(3, 135266304 [pid 3644] <... ioctl resumed>) = 0 [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 45.353605][ T3641] EXT4-fs (loop0): get root inode failed [ 45.353620][ T3641] EXT4-fs (loop0): mount failed [pid 3641] close(17 [pid 3654] <... ftruncate resumed>) = 0 [pid 3644] close(4 [pid 3642] close(6 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] 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 [pid 3644] <... close resumed>) = 0 [pid 3643] <... ioctl resumed>) = 0 [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] close(18 [pid 3654] <... pwrite64 resumed>) = 102 [pid 3644] close(3 [pid 3643] close(4 [pid 3642] close(7 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] pwrite64(3, NULL, 0, 1248 [pid 3644] <... close resumed>) = 0 [pid 3643] <... close resumed>) = 0 [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] close(19 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3654] <... pwrite64 resumed>) = 0 [pid 3644] close(3 [pid 3643] close(3 [pid 3642] close(8 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 3654] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = 0 [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] close(20 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3654] <... pwrite64 resumed>) = 9 [pid 3644] close(4 [pid 3643] close(3 [pid 3642] close(9 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3654] pwrite64(3, NULL, 0, 1600 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] close(21 [pid 3627] close(3 [pid 3654] <... pwrite64 resumed>) = 0 [pid 3644] close(5 [pid 3643] close(4 [pid 3642] close(10 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 3654] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] close(22 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3654] <... pwrite64 resumed>) = 9 [pid 3644] close(6 [pid 3643] close(5 [pid 3642] close(11 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] close(23 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 3 [pid 3644] close(7 [pid 3643] close(6 [pid 3642] close(12 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3658 attached [pid 3644] close(8 [pid 3643] close(7 [pid 3642] close(13 [pid 3658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... prctl resumed>) = 0 [pid 3654] <... pwrite64 resumed>) = 8 [pid 3644] close(9 [pid 3643] close(8 [pid 3642] close(14 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] setpgid(0, 0 [pid 3654] pwrite64(3, NULL, 0, 26624 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] close(24 [pid 3658] <... setpgid resumed>) = 0 [pid 3654] <... pwrite64 resumed>) = 0 [pid 3644] close(10 [pid 3643] close(9 [pid 3642] close(15 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 45.372849][ T3642] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3654] pwrite64(3, NULL, 0, 36864 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] close(25 [pid 3658] <... openat resumed>) = 3 [pid 3644] close(11 [pid 3643] close(10 [pid 3642] close(16 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] write(3, "1000", 4 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] close(26 [pid 3658] <... write resumed>) = 4 [pid 3644] close(12 [pid 3643] close(11 [pid 3642] close(17 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(3 [pid 3654] <... pwrite64 resumed>) = 0 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] close(27 [pid 3658] <... close resumed>) = 0 [pid 3654] pwrite64(3, NULL, 0, 4194300 [pid 3644] close(13 [pid 3643] close(12 [pid 3642] close(18 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] memfd_create("syzkaller", 0 [pid 3654] <... pwrite64 resumed>) = 0 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] close(28 [pid 3658] <... memfd_create resumed>) = 3 [pid 3654] pwrite64(3, NULL, 0, 69888 [pid 3644] close(14 [pid 3643] close(13 [pid 3642] close(19 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] ftruncate(3, 135266304 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] close(29 [pid 3658] <... ftruncate resumed>) = 0 [pid 3654] <... pwrite64 resumed>) = 0 [pid 3644] close(15 [pid 3643] close(14 [pid 3642] close(20 [pid 3641] <... close resumed>) = -1 EBADF (Bad file descriptor) [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 [pid 3654] pwrite64(3, NULL, 0, 71040 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] exit_group(0 [pid 3658] <... pwrite64 resumed>) = 102 [pid 3654] <... pwrite64 resumed>) = 0 [pid 3644] close(16 [pid 3643] close(15 [pid 3642] close(21 [pid 3641] <... exit_group resumed>) = ? [pid 3658] pwrite64(3, NULL, 0, 1248 [pid 3654] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3641] +++ exited with 0 +++ [pid 3658] <... pwrite64 resumed>) = 0 [pid 3654] <... openat resumed>) = 4 [pid 3644] close(17 [pid 3643] close(16 [ 45.373353][ T3642] EXT4-fs (loop2): get root inode failed [ 45.373366][ T3642] EXT4-fs (loop2): mount failed [pid 3642] close(22 [pid 3658] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3654] ioctl(4, LOOP_SET_FD, 3 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3658] <... pwrite64 resumed>) = 9 [pid 3654] <... ioctl resumed>) = 0 [pid 3644] close(18 [pid 3643] close(17 [pid 3642] close(23 [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3658] pwrite64(3, NULL, 0, 1600 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3658] <... pwrite64 resumed>) = 0 [pid 3644] close(19 [pid 3643] close(18 [pid 3642] close(24 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3658] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3658] <... pwrite64 resumed>) = 9 [pid 3644] close(20 [pid 3643] close(19 [pid 3642] close(25 [pid 3626] close(3 [pid 3658] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3654] mkdir("./file0", 0777 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... close resumed>) = 0 [pid 3658] <... pwrite64 resumed>) = 8 [pid 3644] close(21 [pid 3643] close(20 [pid 3642] close(26 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3658] pwrite64(3, NULL, 0, 26624 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... pwrite64 resumed>) = 0 [pid 3644] close(22 [pid 3643] close(21 [pid 3642] close(27 [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 3 [pid 3658] pwrite64(3, NULL, 0, 36864 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... pwrite64 resumed>) = 0 [pid 3644] close(23 [pid 3643] close(22 [pid 3642] close(28 [pid 3658] pwrite64(3, NULL, 0, 4194300 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3659 attached [pid 3658] <... pwrite64 resumed>) = 0 [pid 3644] close(24 [pid 3643] close(23 [pid 3642] close(29 [pid 3659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3658] pwrite64(3, NULL, 0, 69888 [pid 3654] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] <... prctl resumed>) = 0 [pid 3658] <... pwrite64 resumed>) = 0 [pid 3654] mount("/dev/loop5", "./file0", "ext4", 0, ",errors=continue" [pid 3644] close(25 [ 45.383507][ T3643] loop4: detected capacity change from 0 to 264192 [ 45.401774][ T3644] loop3: detected capacity change from 0 to 264192 [ 45.420744][ T3643] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 45.421174][ T3643] EXT4-fs (loop4): get root inode failed [pid 3643] close(24 [pid 3642] exit_group(0 [pid 3659] setpgid(0, 0 [pid 3658] pwrite64(3, NULL, 0, 71040 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3642] <... exit_group resumed>) = ? [pid 3659] <... setpgid resumed>) = 0 [pid 3658] <... pwrite64 resumed>) = 0 [pid 3644] close(26 [pid 3643] close(25 [pid 3642] +++ exited with 0 +++ [pid 3659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3658] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3659] <... openat resumed>) = 3 [pid 3658] <... openat resumed>) = 4 [pid 3644] close(27 [pid 3643] close(26 [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3659] write(3, "1000", 4 [pid 3658] ioctl(4, LOOP_SET_FD, 3 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... restart_syscall resumed>) = 0 [pid 3659] <... write resumed>) = 4 [pid 3658] <... ioctl resumed>) = 0 [pid 3644] close(28 [pid 3643] close(27 [pid 3659] close(3 [pid 3658] mkdir("./file0", 0777 [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] <... close resumed>) = 0 [pid 3658] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3644] close(29 [pid 3643] close(28 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3659] memfd_create("syzkaller", 0 [pid 3658] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... openat resumed>) = 3 [pid 3659] <... memfd_create resumed>) = 3 [pid 3644] exit_group(0 [pid 3643] close(29 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3659] ftruncate(3, 135266304 [pid 3644] <... exit_group resumed>) = ? [pid 3643] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3659] <... ftruncate resumed>) = 0 [pid 3644] +++ exited with 0 +++ [pid 3643] exit_group(0 [pid 3625] close(3 [pid 3659] 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 [pid 3643] <... exit_group resumed>) = ? [pid 3625] <... close resumed>) = 0 [pid 3659] <... pwrite64 resumed>) = 102 [pid 3643] +++ exited with 0 +++ [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3659] pwrite64(3, NULL, 0, 1248 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3659] <... pwrite64 resumed>) = 0 [pid 3629] <... openat resumed>) = 3 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 4 [pid 3659] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3659] <... pwrite64 resumed>) = 9 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3659] pwrite64(3, NULL, 0, 1600 [pid 3629] close(3 [pid 3659] <... pwrite64 resumed>) = 0 [pid 3629] <... close resumed>) = 0 [pid 3659] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3659] <... pwrite64 resumed>) = 9 [pid 3624] <... openat resumed>) = 3 [pid 3659] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 3 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3659] <... pwrite64 resumed>) = 8 [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 3660 attached [pid 3659] pwrite64(3, NULL, 0, 26624 [pid 3624] close(3 [pid 3660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3659] <... pwrite64 resumed>) = 0 [pid 3624] <... close resumed>) = 0 ./strace-static-x86_64: Process 3663 attached [pid 3660] <... prctl resumed>) = 0 [ 45.421187][ T3643] EXT4-fs (loop4): mount failed [ 45.455445][ T3644] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 45.456269][ T3644] EXT4-fs (loop3): get root inode failed [ 45.456283][ T3644] EXT4-fs (loop3): mount failed [ 45.590467][ T3654] loop5: detected capacity change from 0 to 264192 [pid 3659] pwrite64(3, NULL, 0, 36864 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3659] <... pwrite64 resumed>) = 0 [pid 3659] pwrite64(3, NULL, 0, 4194300 [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 3 [pid 3659] <... pwrite64 resumed>) = 0 [pid 3659] pwrite64(3, NULL, 0, 69888) = 0 [pid 3659] pwrite64(3, NULL, 0, 71040) = 0 [pid 3659] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3660] setpgid(0, 0 [pid 3659] <... openat resumed>) = 4 [pid 3659] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3660] <... setpgid resumed>) = 0 [pid 3659] mkdir("./file0", 0777 [pid 3658] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3654] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3663] <... prctl resumed>) = 0 [pid 3660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3659] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3658] ioctl(4, LOOP_CLR_FD [pid 3654] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 3666 attached [pid 3663] setpgid(0, 0 [pid 3660] <... openat resumed>) = 3 [pid 3659] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3663] <... setpgid resumed>) = 0 [pid 3660] write(3, "1000", 4 [pid 3666] <... prctl resumed>) = 0 [pid 3663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3660] <... write resumed>) = 4 [pid 3666] setpgid(0, 0 [pid 3663] <... openat resumed>) = 3 [pid 3660] close(3 [pid 3666] <... setpgid resumed>) = 0 [pid 3663] write(3, "1000", 4 [pid 3660] <... close resumed>) = 0 [pid 3666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3663] <... write resumed>) = 4 [pid 3660] memfd_create("syzkaller", 0 [pid 3666] <... openat resumed>) = 3 [pid 3663] close(3 [pid 3660] <... memfd_create resumed>) = 3 [pid 3666] write(3, "1000", 4 [pid 3663] <... close resumed>) = 0 [pid 3660] ftruncate(3, 135266304 [pid 3666] <... write resumed>) = 4 [pid 3663] memfd_create("syzkaller", 0 [pid 3660] <... ftruncate resumed>) = 0 [pid 3666] close(3 [pid 3663] <... memfd_create resumed>) = 3 [pid 3660] 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 [pid 3666] <... close resumed>) = 0 [pid 3663] ftruncate(3, 135266304 [pid 3660] <... pwrite64 resumed>) = 102 [pid 3666] memfd_create("syzkaller", 0 [pid 3663] <... ftruncate resumed>) = 0 [pid 3660] pwrite64(3, NULL, 0, 1248 [pid 3666] <... memfd_create resumed>) = 3 [pid 3663] 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 [pid 3660] <... pwrite64 resumed>) = 0 [pid 3666] ftruncate(3, 135266304 [pid 3663] <... pwrite64 resumed>) = 102 [ 45.644732][ T3658] loop1: detected capacity change from 0 to 264192 [ 45.696019][ T3658] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3660] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3666] <... ftruncate resumed>) = 0 [pid 3663] pwrite64(3, NULL, 0, 1248 [pid 3660] <... pwrite64 resumed>) = 9 [pid 3666] 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 [pid 3659] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3663] <... pwrite64 resumed>) = 0 [pid 3660] pwrite64(3, NULL, 0, 1600 [pid 3666] <... pwrite64 resumed>) = 102 [pid 3663] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3660] <... pwrite64 resumed>) = 0 [pid 3659] ioctl(4, LOOP_CLR_FD [pid 3666] pwrite64(3, NULL, 0, 1248 [pid 3663] <... pwrite64 resumed>) = 9 [pid 3660] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3654] <... ioctl resumed>) = 0 [pid 3666] <... pwrite64 resumed>) = 0 [pid 3663] pwrite64(3, NULL, 0, 1600 [pid 3660] <... pwrite64 resumed>) = 9 [pid 3658] <... ioctl resumed>) = 0 [pid 3658] close(4) = 0 [pid 3654] close(4 [pid 3658] close(3 [pid 3654] <... close resumed>) = 0 [pid 3658] <... close resumed>) = 0 [pid 3666] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3654] close(3 [pid 3663] <... pwrite64 resumed>) = 0 [pid 3660] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3666] <... pwrite64 resumed>) = 9 [pid 3663] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3658] close(3 [pid 3654] <... close resumed>) = 0 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(3 [pid 3666] pwrite64(3, NULL, 0, 1600 [pid 3660] <... pwrite64 resumed>) = 8 [pid 3658] close(4 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] <... pwrite64 resumed>) = 0 [pid 3663] <... pwrite64 resumed>) = 9 [pid 3660] pwrite64(3, NULL, 0, 26624 [pid 3659] <... ioctl resumed>) = 0 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(4 [pid 3659] close(4 [pid 3658] close(5 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] <... close resumed>) = 0 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(5 [pid 3659] close(3 [pid 3658] close(6 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 45.704791][ T3654] EXT4-fs error (device loop5): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 45.705162][ T3658] EXT4-fs (loop1): get root inode failed [ 45.705177][ T3658] EXT4-fs (loop1): mount failed [ 45.705405][ T3654] EXT4-fs (loop5): get root inode failed [ 45.705418][ T3654] EXT4-fs (loop5): mount failed [pid 3666] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3663] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3660] <... pwrite64 resumed>) = 0 [pid 3659] <... close resumed>) = 0 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(6 [pid 3666] <... pwrite64 resumed>) = 9 [pid 3663] <... pwrite64 resumed>) = 8 [pid 3660] pwrite64(3, NULL, 0, 36864 [pid 3659] close(3 [pid 3658] close(7 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(7 [pid 3659] close(4 [pid 3658] close(8 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(8 [pid 3666] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3663] pwrite64(3, NULL, 0, 26624 [pid 3660] <... pwrite64 resumed>) = 0 [pid 3659] close(5 [pid 3658] close(9 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] <... pwrite64 resumed>) = 8 [pid 3663] <... pwrite64 resumed>) = 0 [pid 3660] pwrite64(3, NULL, 0, 4194300 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(9 [pid 3659] close(6 [pid 3658] close(10 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(10 [pid 3659] close(7 [pid 3658] close(11 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] pwrite64(3, NULL, 0, 26624 [pid 3663] pwrite64(3, NULL, 0, 36864 [pid 3660] <... pwrite64 resumed>) = 0 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(11 [pid 3666] <... pwrite64 resumed>) = 0 [pid 3663] <... pwrite64 resumed>) = 0 [pid 3660] pwrite64(3, NULL, 0, 69888 [pid 3659] close(8 [pid 3658] close(12 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] pwrite64(3, NULL, 0, 36864 [pid 3663] pwrite64(3, NULL, 0, 4194300 [pid 3660] <... pwrite64 resumed>) = 0 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(12 [pid 3666] <... pwrite64 resumed>) = 0 [pid 3663] <... pwrite64 resumed>) = 0 [pid 3660] pwrite64(3, NULL, 0, 71040 [pid 3659] close(9 [pid 3658] close(13 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] pwrite64(3, NULL, 0, 4194300 [pid 3663] pwrite64(3, NULL, 0, 69888 [pid 3660] <... pwrite64 resumed>) = 0 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(13 [pid 3666] <... pwrite64 resumed>) = 0 [pid 3663] <... pwrite64 resumed>) = 0 [pid 3660] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3659] close(10 [pid 3658] close(14 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] pwrite64(3, NULL, 0, 69888 [pid 3663] pwrite64(3, NULL, 0, 71040 [pid 3660] <... openat resumed>) = 4 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 45.710732][ T3659] loop0: detected capacity change from 0 to 264192 [ 45.756801][ T3659] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 45.757204][ T3659] EXT4-fs (loop0): get root inode failed [ 45.757217][ T3659] EXT4-fs (loop0): mount failed [pid 3654] close(14 [pid 3666] <... pwrite64 resumed>) = 0 [pid 3663] <... pwrite64 resumed>) = 0 [pid 3660] ioctl(4, LOOP_SET_FD, 3 [pid 3659] close(11 [pid 3658] close(15 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] pwrite64(3, NULL, 0, 71040 [pid 3663] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3660] <... ioctl resumed>) = 0 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] <... pwrite64 resumed>) = 0 [pid 3663] <... openat resumed>) = 4 [pid 3660] mkdir("./file0", 0777 [pid 3666] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3663] ioctl(4, LOOP_SET_FD, 3 [pid 3660] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3659] close(12 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(15 [pid 3666] <... openat resumed>) = 4 [pid 3663] <... ioctl resumed>) = 0 [pid 3660] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(16 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] ioctl(4, LOOP_SET_FD, 3 [pid 3663] mkdir("./file0", 0777 [pid 3659] close(13 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(16 [pid 3666] <... ioctl resumed>) = 0 [pid 3663] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(17 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] mkdir("./file0", 0777 [pid 3663] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3659] close(14 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(17 [pid 3666] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(18 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3659] close(15 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(18 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(19 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] close(16 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(19 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(20 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] close(17 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(20 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(21 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3659] close(18 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(21 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(22 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] close(19 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 45.847976][ T3660] loop2: detected capacity change from 0 to 264192 [ 45.857247][ T3663] loop3: detected capacity change from 0 to 264192 [ 45.869469][ T3666] loop4: detected capacity change from 0 to 264192 [ 45.887653][ T3660] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3654] close(22 [pid 3666] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3660] ioctl(4, LOOP_CLR_FD [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(23 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] close(20 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] close(23 [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(24 [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] ioctl(4, LOOP_CLR_FD [pid 3659] close(21 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(25 [pid 3654] close(24 [pid 3659] close(22 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] ioctl(4, LOOP_CLR_FD [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(26 [pid 3654] close(25 [pid 3659] close(23 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(27 [pid 3654] close(26 [pid 3659] close(24 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(28 [pid 3654] close(27 [pid 3659] close(25 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] close(29 [pid 3654] close(28 [pid 3659] close(26 [pid 3658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] exit_group(0 [pid 3654] close(29 [pid 3659] close(27 [pid 3658] <... exit_group resumed>) = ? [pid 3654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3658] +++ exited with 0 +++ [pid 3654] exit_group(0 [pid 3659] close(28 [pid 3654] <... exit_group resumed>) = ? [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3654] +++ exited with 0 +++ [pid 3659] close(29 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] restart_syscall(<... resuming interrupted clone ...> [pid 3659] exit_group(0 [pid 3628] <... restart_syscall resumed>) = 0 [pid 3659] <... exit_group resumed>) = ? [pid 3659] +++ exited with 0 +++ [pid 3628] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3628] <... openat resumed>) = 3 [pid 3627] <... openat resumed>) = 3 [pid 3626] restart_syscall(<... resuming interrupted clone ...> [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3626] <... restart_syscall resumed>) = 0 [pid 3628] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3628] close(3 [pid 3627] close(3 [pid 3628] <... close resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] <... openat resumed>) = 3 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3628] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 4 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 4 [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3626] close(3) = 0 [ 45.889801][ T3660] EXT4-fs (loop2): get root inode failed [ 45.889815][ T3660] EXT4-fs (loop2): mount failed [ 45.911098][ T3666] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 45.911641][ T3666] EXT4-fs (loop4): get root inode failed [ 45.911655][ T3666] EXT4-fs (loop4): mount failed [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3676 attached , child_tidptr=0x5555567cd5d0) = 4 ./strace-static-x86_64: Process 3675 attached [pid 3676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3663] <... ioctl resumed>) = 0 [pid 3675] <... prctl resumed>) = 0 [pid 3663] close(4 [pid 3675] setpgid(0, 0 [pid 3663] <... close resumed>) = 0 [pid 3675] <... setpgid resumed>) = 0 [pid 3663] close(3 [pid 3660] <... ioctl resumed>) = 0 [pid 3666] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 3677 attached [pid 3676] <... prctl resumed>) = 0 [pid 3675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3666] close(4 [pid 3663] <... close resumed>) = 0 [pid 3660] close(4 [pid 3677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3676] setpgid(0, 0 [pid 3675] <... openat resumed>) = 3 [pid 3666] <... close resumed>) = 0 [pid 3663] close(3 [pid 3660] <... close resumed>) = 0 [pid 3677] <... prctl resumed>) = 0 [pid 3675] write(3, "1000", 4 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] setpgid(0, 0 [pid 3675] <... write resumed>) = 4 [pid 3663] close(4 [pid 3677] <... setpgid resumed>) = 0 [pid 3675] close(3 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3675] <... close resumed>) = 0 [pid 3663] close(5 [pid 3676] <... setpgid resumed>) = 0 [pid 3666] close(3 [pid 3677] <... openat resumed>) = 3 [pid 3675] memfd_create("syzkaller", 0 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(3 [pid 3676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3677] write(3, "1000", 4 [pid 3675] <... memfd_create resumed>) = 3 [pid 3666] <... close resumed>) = 0 [pid 3663] close(6 [pid 3660] <... close resumed>) = 0 [pid 3677] <... write resumed>) = 4 [pid 3676] <... openat resumed>) = 3 [pid 3675] ftruncate(3, 135266304 [pid 3666] close(3 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(3 [pid 3677] close(3 [pid 3676] write(3, "1000", 4 [pid 3675] <... ftruncate resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(7 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... close resumed>) = 0 [pid 3676] <... write resumed>) = 4 [pid 3675] 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 [pid 3666] close(4 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(4 [pid 3677] memfd_create("syzkaller", 0 [pid 3676] close(3 [pid 3675] <... pwrite64 resumed>) = 102 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(8 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... memfd_create resumed>) = 3 [pid 3676] <... close resumed>) = 0 [pid 3675] pwrite64(3, NULL, 0, 1248 [pid 3666] close(5 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(5 [pid 3677] ftruncate(3, 135266304 [pid 3676] memfd_create("syzkaller", 0 [pid 3675] <... pwrite64 resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(9 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... ftruncate resumed>) = 0 [pid 3676] <... memfd_create resumed>) = 3 [pid 3675] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3666] close(6 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(6 [pid 3677] 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 [pid 3676] ftruncate(3, 135266304 [pid 3675] <... pwrite64 resumed>) = 9 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(10 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... pwrite64 resumed>) = 102 [pid 3676] <... ftruncate resumed>) = 0 [pid 3675] pwrite64(3, NULL, 0, 1600 [pid 3666] close(7 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(7 [pid 3677] pwrite64(3, NULL, 0, 1248 [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 [pid 3675] <... pwrite64 resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(11 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... pwrite64 resumed>) = 0 [pid 3676] <... pwrite64 resumed>) = 102 [pid 3675] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3666] close(8 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(8 [pid 3677] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3676] pwrite64(3, NULL, 0, 1248 [pid 3675] <... pwrite64 resumed>) = 9 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(12 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... pwrite64 resumed>) = 9 [pid 3676] <... pwrite64 resumed>) = 0 [pid 3675] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3666] close(9 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(9 [pid 3677] pwrite64(3, NULL, 0, 1600 [pid 3676] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3675] <... pwrite64 resumed>) = 8 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(13 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... pwrite64 resumed>) = 0 [pid 3676] <... pwrite64 resumed>) = 9 [pid 3675] pwrite64(3, NULL, 0, 26624 [pid 3666] close(10 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(10 [pid 3677] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3676] pwrite64(3, NULL, 0, 1600 [pid 3675] <... pwrite64 resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(14 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... pwrite64 resumed>) = 9 [pid 3676] <... pwrite64 resumed>) = 0 [pid 3675] pwrite64(3, NULL, 0, 36864 [pid 3666] close(11 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(11 [pid 3677] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3676] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3675] <... pwrite64 resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(15 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... pwrite64 resumed>) = 8 [pid 3676] <... pwrite64 resumed>) = 9 [pid 3675] pwrite64(3, NULL, 0, 4194300 [pid 3666] close(12 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(12 [pid 3677] pwrite64(3, NULL, 0, 26624 [pid 3676] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3675] <... pwrite64 resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(16 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... pwrite64 resumed>) = 0 [pid 3676] <... pwrite64 resumed>) = 8 [pid 3675] pwrite64(3, NULL, 0, 69888 [pid 3666] close(13 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(13 [pid 3677] pwrite64(3, NULL, 0, 36864 [pid 3676] pwrite64(3, NULL, 0, 26624 [pid 3675] <... pwrite64 resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(17 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... pwrite64 resumed>) = 0 [pid 3676] <... pwrite64 resumed>) = 0 [pid 3675] pwrite64(3, NULL, 0, 71040 [pid 3666] close(14 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(14 [pid 3677] pwrite64(3, NULL, 0, 4194300 [pid 3676] pwrite64(3, NULL, 0, 36864 [pid 3675] <... pwrite64 resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(18 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... pwrite64 resumed>) = 0 [pid 3676] <... pwrite64 resumed>) = 0 [pid 3675] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3666] close(15 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(15 [pid 3677] pwrite64(3, NULL, 0, 69888 [pid 3676] pwrite64(3, NULL, 0, 4194300 [pid 3675] <... openat resumed>) = 4 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(19 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... pwrite64 resumed>) = 0 [pid 3676] <... pwrite64 resumed>) = 0 [pid 3675] ioctl(4, LOOP_SET_FD, 3 [pid 3666] close(16 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(16 [pid 3677] pwrite64(3, NULL, 0, 71040 [pid 3676] pwrite64(3, NULL, 0, 69888 [pid 3675] <... ioctl resumed>) = 0 [ 45.922458][ T3663] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 45.922903][ T3663] EXT4-fs (loop3): get root inode failed [ 45.922917][ T3663] EXT4-fs (loop3): mount failed [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(20 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... pwrite64 resumed>) = 0 [pid 3676] <... pwrite64 resumed>) = 0 [pid 3675] mkdir("./file0", 0777 [pid 3666] close(17 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(17 [pid 3677] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3676] pwrite64(3, NULL, 0, 71040 [pid 3675] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(21 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... openat resumed>) = 4 [pid 3676] <... pwrite64 resumed>) = 0 [pid 3675] mount("/dev/loop5", "./file0", "ext4", 0, ",errors=continue" [pid 3666] close(18 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(18 [pid 3677] ioctl(4, LOOP_SET_FD, 3 [pid 3676] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3663] close(22 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... ioctl resumed>) = 0 [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] mkdir("./file0", 0777 [pid 3663] close(23 [pid 3677] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3663] close(24) = -1 EBADF (Bad file descriptor) [pid 3663] close(25) = -1 EBADF (Bad file descriptor) [pid 3663] close(26) = -1 EBADF (Bad file descriptor) [pid 3663] close(27) = -1 EBADF (Bad file descriptor) [pid 3663] close(28) = -1 EBADF (Bad file descriptor) [pid 3663] close(29) = -1 EBADF (Bad file descriptor) [pid 3663] exit_group(0) = ? [pid 3663] +++ exited with 0 +++ [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3676] <... openat resumed>) = 4 [pid 3666] close(19 [pid 3660] close(19 [pid 3676] ioctl(4, LOOP_SET_FD, 3 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3676] <... ioctl resumed>) = 0 [pid 3666] close(20 [pid 3660] close(20 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3676] mkdir("./file0", 0777 [pid 3629] close(3) = 0 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3676] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 4 [pid 3676] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3675] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3666] close(21 [pid 3660] close(21 [pid 3675] ioctl(4, LOOP_CLR_FD [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 46.023260][ T3675] loop5: detected capacity change from 0 to 264192 [ 46.030609][ T3677] loop0: detected capacity change from 0 to 264192 [ 46.049203][ T3676] loop1: detected capacity change from 0 to 264192 [pid 3660] close(22 [pid 3666] close(22./strace-static-x86_64: Process 3681 attached [pid 3681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3681] setpgid(0, 0) = 0 [pid 3681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3681] write(3, "1000", 4) = 4 [pid 3681] close(3) = 0 [pid 3681] memfd_create("syzkaller", 0) = 3 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] close(23 [pid 3660] close(23) = -1 EBADF (Bad file descriptor) [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] close(24 [pid 3660] close(24 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] close(25 [pid 3660] close(25 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3666] close(26 [pid 3660] close(26 [pid 3681] ftruncate(3, 135266304 [pid 3677] ioctl(4, LOOP_CLR_FD [pid 3675] <... ioctl resumed>) = 0 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3675] close(4) = 0 [pid 3675] close(3) = 0 [pid 3675] close(3) = -1 EBADF (Bad file descriptor) [pid 3675] close(4) = -1 EBADF (Bad file descriptor) [pid 3675] close(5) = -1 EBADF (Bad file descriptor) [pid 3675] close(6) = -1 EBADF (Bad file descriptor) [pid 3675] close(7) = -1 EBADF (Bad file descriptor) [pid 3675] close(8) = -1 EBADF (Bad file descriptor) [pid 3675] close(9) = -1 EBADF (Bad file descriptor) [pid 3675] close(10) = -1 EBADF (Bad file descriptor) [pid 3675] close(11) = -1 EBADF (Bad file descriptor) [pid 3675] close(12) = -1 EBADF (Bad file descriptor) [pid 3681] <... ftruncate resumed>) = 0 [pid 3675] close(13 [pid 3666] close(27 [pid 3660] close(27 [pid 3675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3675] close(14) = -1 EBADF (Bad file descriptor) [pid 3675] close(15) = -1 EBADF (Bad file descriptor) [pid 3681] 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 [pid 3675] close(16 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3675] close(17) = -1 EBADF (Bad file descriptor) [pid 3675] close(18 [pid 3681] <... pwrite64 resumed>) = 102 [pid 3666] close(28 [pid 3660] close(28 [pid 3675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3675] close(19 [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] pwrite64(3, NULL, 0, 1248 [ 46.062746][ T3675] EXT4-fs error (device loop5): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 46.063195][ T3675] EXT4-fs (loop5): get root inode failed [ 46.063208][ T3675] EXT4-fs (loop5): mount failed [ 46.084856][ T3677] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 46.085499][ T3677] EXT4-fs (loop0): get root inode failed [ 46.085514][ T3677] EXT4-fs (loop0): mount failed [pid 3676] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] close(29 [pid 3675] close(20) = -1 EBADF (Bad file descriptor) [pid 3675] close(21 [pid 3676] ioctl(4, LOOP_CLR_FD [pid 3675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3675] close(22) = -1 EBADF (Bad file descriptor) [pid 3675] close(23 [pid 3681] <... pwrite64 resumed>) = 0 [pid 3675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] close(29 [pid 3675] close(24) = -1 EBADF (Bad file descriptor) [pid 3675] close(25 [pid 3681] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3666] exit_group(0 [pid 3660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... pwrite64 resumed>) = 9 [pid 3677] <... ioctl resumed>) = 0 [pid 3675] close(26 [pid 3666] <... exit_group resumed>) = ? [pid 3681] pwrite64(3, NULL, 0, 1600 [pid 3677] close(4 [pid 3675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3660] exit_group(0 [pid 3681] <... pwrite64 resumed>) = 0 [pid 3677] <... close resumed>) = 0 [pid 3675] close(27 [pid 3666] +++ exited with 0 +++ [pid 3660] <... exit_group resumed>) = ? [pid 3681] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3677] close(3 [pid 3675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3681] <... pwrite64 resumed>) = 9 [pid 3677] <... close resumed>) = 0 [pid 3675] close(28 [pid 3660] +++ exited with 0 +++ [pid 3681] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3677] close(3 [pid 3675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3681] <... pwrite64 resumed>) = 8 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3675] close(29 [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3681] pwrite64(3, NULL, 0, 26624 [pid 3677] close(4 [pid 3675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... restart_syscall resumed>) = 0 [pid 3681] <... pwrite64 resumed>) = 0 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3675] exit_group(0 [pid 3681] pwrite64(3, NULL, 0, 36864 [pid 3677] close(5 [pid 3675] <... exit_group resumed>) = ? [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3681] <... pwrite64 resumed>) = 0 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3675] +++ exited with 0 +++ [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3624] <... openat resumed>) = 3 [pid 3681] pwrite64(3, NULL, 0, 4194300 [pid 3677] close(6 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] <... openat resumed>) = 3 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3681] <... pwrite64 resumed>) = 0 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... ioctl resumed>) = 0 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3681] pwrite64(3, NULL, 0, 69888 [pid 3677] close(7 [pid 3676] close(4 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3624] close(3 [pid 3681] <... pwrite64 resumed>) = 0 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... close resumed>) = 0 [pid 3628] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3625] close(3 [pid 3624] <... close resumed>) = 0 [pid 3681] pwrite64(3, NULL, 0, 71040 [pid 3677] close(8 [pid 3676] close(3 [pid 3628] <... openat resumed>) = 3 [pid 3625] <... close resumed>) = 0 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3681] <... pwrite64 resumed>) = 0 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... close resumed>) = 0 [ 46.126579][ T3676] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 46.127218][ T3676] EXT4-fs (loop1): get root inode failed [ 46.127232][ T3676] EXT4-fs (loop1): mount failed [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3685 attached [pid 3681] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3677] close(9 [pid 3676] close(3 [pid 3628] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 4 [pid 3685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3681] <... openat resumed>) = 4 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(3 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 5 [pid 3685] <... prctl resumed>) = 0 [pid 3681] ioctl(4, LOOP_SET_FD, 3 [pid 3677] close(10 [pid 3676] close(4 [pid 3628] <... close resumed>) = 0 [pid 3685] setpgid(0, 0 [pid 3681] <... ioctl resumed>) = 0 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3686 attached [pid 3685] <... setpgid resumed>) = 0 [pid 3681] mkdir("./file0", 0777 [pid 3677] close(11 [pid 3676] close(5 [pid 3686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3681] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 5 [pid 3686] <... prctl resumed>) = 0 [pid 3676] close(6 [pid 3686] setpgid(0, 0 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... setpgid resumed>) = 0 [pid 3676] close(7 [pid 3686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... openat resumed>) = 3 [pid 3685] <... openat resumed>) = 3 [pid 3681] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3677] close(12 [pid 3676] close(8 [pid 3686] write(3, "1000", 4 [pid 3685] write(3, "1000", 4 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... write resumed>) = 4 [pid 3685] <... write resumed>) = 4 [pid 3677] close(13 [pid 3676] close(9 [pid 3686] close(3 [pid 3685] close(3 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3687 attached [pid 3686] <... close resumed>) = 0 [pid 3685] <... close resumed>) = 0 [pid 3677] close(14 [pid 3676] close(10 [pid 3687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3686] memfd_create("syzkaller", 0 [pid 3685] memfd_create("syzkaller", 0 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... prctl resumed>) = 0 [pid 3686] <... memfd_create resumed>) = 3 [pid 3685] <... memfd_create resumed>) = 3 [pid 3677] close(15 [pid 3676] close(11 [pid 3687] setpgid(0, 0 [pid 3686] ftruncate(3, 135266304 [pid 3685] ftruncate(3, 135266304 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... setpgid resumed>) = 0 [pid 3686] <... ftruncate resumed>) = 0 [pid 3685] <... ftruncate resumed>) = 0 [pid 3677] close(16 [pid 3676] close(12 [pid 3687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3686] 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 [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 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... openat resumed>) = 3 [pid 3686] <... pwrite64 resumed>) = 102 [pid 3685] <... pwrite64 resumed>) = 102 [pid 3677] close(17 [pid 3676] close(13 [pid 3687] write(3, "1000", 4 [pid 3686] pwrite64(3, NULL, 0, 1248 [pid 3685] pwrite64(3, NULL, 0, 1248 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... write resumed>) = 4 [pid 3686] <... pwrite64 resumed>) = 0 [pid 3685] <... pwrite64 resumed>) = 0 [pid 3677] close(18 [pid 3676] close(14 [pid 3687] close(3 [pid 3686] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3685] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... close resumed>) = 0 [pid 3686] <... pwrite64 resumed>) = 9 [pid 3685] <... pwrite64 resumed>) = 9 [pid 3677] close(19 [pid 3676] close(15 [pid 3687] memfd_create("syzkaller", 0 [pid 3686] pwrite64(3, NULL, 0, 1600 [pid 3685] pwrite64(3, NULL, 0, 1600 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... memfd_create resumed>) = 3 [pid 3686] <... pwrite64 resumed>) = 0 [pid 3685] <... pwrite64 resumed>) = 0 [pid 3677] close(20 [pid 3676] close(16 [pid 3687] ftruncate(3, 135266304 [pid 3686] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3685] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... ftruncate resumed>) = 0 [pid 3686] <... pwrite64 resumed>) = 9 [pid 3685] <... pwrite64 resumed>) = 9 [pid 3677] close(21 [pid 3676] close(17 [pid 3687] 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 [pid 3686] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3685] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... pwrite64 resumed>) = 102 [pid 3686] <... pwrite64 resumed>) = 8 [pid 3685] <... pwrite64 resumed>) = 8 [pid 3677] close(22 [pid 3676] close(18 [pid 3686] pwrite64(3, NULL, 0, 26624 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... pwrite64 resumed>) = 0 [pid 3676] close(19 [pid 3686] pwrite64(3, NULL, 0, 36864 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] pwrite64(3, NULL, 0, 1248 [pid 3686] <... pwrite64 resumed>) = 0 [pid 3685] pwrite64(3, NULL, 0, 26624 [pid 3681] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] close(20 [pid 3687] <... pwrite64 resumed>) = 0 [pid 3686] pwrite64(3, NULL, 0, 4194300 [pid 3685] <... pwrite64 resumed>) = 0 [pid 3681] ioctl(4, LOOP_CLR_FD [ 46.203687][ T3681] loop3: detected capacity change from 0 to 264192 [pid 3677] close(23 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3686] <... pwrite64 resumed>) = 0 [pid 3685] pwrite64(3, NULL, 0, 36864 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] close(21 [pid 3686] pwrite64(3, NULL, 0, 69888 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... pwrite64 resumed>) = 0 [pid 3676] close(22 [pid 3686] pwrite64(3, NULL, 0, 71040 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... pwrite64 resumed>) = 0 [pid 3676] close(23 [pid 3686] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... openat resumed>) = 4 [pid 3676] close(24 [pid 3686] ioctl(4, LOOP_SET_FD, 3 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] <... ioctl resumed>) = 0 [pid 3676] close(25 [pid 3686] mkdir("./file0", 0777 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... pwrite64 resumed>) = 9 [pid 3686] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3685] <... pwrite64 resumed>) = 0 [pid 3676] close(26 [pid 3687] pwrite64(3, NULL, 0, 1600 [pid 3686] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3685] pwrite64(3, NULL, 0, 4194300 [pid 3677] close(24 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... pwrite64 resumed>) = 0 [pid 3685] <... pwrite64 resumed>) = 0 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] close(27 [pid 3687] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3685] pwrite64(3, NULL, 0, 69888 [pid 3677] close(25 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... pwrite64 resumed>) = 9 [pid 3685] <... pwrite64 resumed>) = 0 [pid 3681] <... ioctl resumed>) = 0 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] close(28 [pid 3687] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3685] pwrite64(3, NULL, 0, 71040 [pid 3681] close(4 [pid 3677] close(26 [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... pwrite64 resumed>) = 8 [pid 3685] <... pwrite64 resumed>) = 0 [pid 3681] <... close resumed>) = 0 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] close(29 [pid 3687] pwrite64(3, NULL, 0, 26624 [pid 3685] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3676] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3676] exit_group(0) = ? [pid 3681] close(3 [pid 3676] +++ exited with 0 +++ [pid 3687] <... pwrite64 resumed>) = 0 [pid 3685] <... openat resumed>) = 4 [pid 3681] <... close resumed>) = 0 [pid 3677] close(27 [pid 3687] pwrite64(3, NULL, 0, 36864 [pid 3685] ioctl(4, LOOP_SET_FD, 3 [pid 3681] close(3 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 3681] close(4 [pid 3627] <... restart_syscall resumed>) = 0 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... pwrite64 resumed>) = 0 [pid 3681] close(5 [pid 3687] pwrite64(3, NULL, 0, 4194300 [pid 3685] <... ioctl resumed>) = 0 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] close(28 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3687] <... pwrite64 resumed>) = 0 [pid 3685] mkdir("./file0", 0777 [pid 3681] close(6 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 3687] pwrite64(3, NULL, 0, 69888 [pid 3686] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3685] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] close(29 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3687] <... pwrite64 resumed>) = 0 [pid 3686] ioctl(4, LOOP_CLR_FD [pid 3685] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3681] close(7 [pid 3677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3687] pwrite64(3, NULL, 0, 71040 [pid 3686] <... ioctl resumed>) = 0 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3677] exit_group(0 [pid 3627] close(3 [pid 3687] <... pwrite64 resumed>) = 0 [pid 3686] close(4 [pid 3681] close(8 [pid 3677] <... exit_group resumed>) = ? [pid 3627] <... close resumed>) = 0 [pid 3687] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3686] <... close resumed>) = 0 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3687] <... openat resumed>) = 4 [pid 3686] close(3 [pid 3681] close(9 [pid 3677] +++ exited with 0 +++ [ 46.250935][ T3681] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 46.251604][ T3681] EXT4-fs (loop3): get root inode failed [ 46.251629][ T3681] EXT4-fs (loop3): mount failed [pid 3687] ioctl(4, LOOP_SET_FD, 3 [pid 3686] <... close resumed>) = 0 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 5 [pid 3687] <... ioctl resumed>) = 0 [pid 3686] close(3 [pid 3681] close(10 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3687] mkdir("./file0", 0777 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 3692 attached [pid 3687] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3686] close(4 [pid 3681] close(11 [pid 3626] <... openat resumed>) = 3 [pid 3692] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3687] mount("/dev/loop5", "./file0", "ext4", 0, ",errors=continue" [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3692] <... prctl resumed>) = 0 [pid 3686] close(5 [pid 3681] close(12 [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3692] setpgid(0, 0 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] close(3 [pid 3692] <... setpgid resumed>) = 0 [pid 3686] close(6 [pid 3681] close(13 [pid 3626] <... close resumed>) = 0 [pid 3692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3692] <... openat resumed>) = 3 [pid 3686] close(7 [pid 3681] close(14 [pid 3692] write(3, "1000", 4 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 5 [pid 3692] <... write resumed>) = 4 [pid 3686] close(8 [pid 3681] close(15 [pid 3692] close(3 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] <... close resumed>) = 0 [pid 3686] close(9 [pid 3681] close(16 [pid 3692] memfd_create("syzkaller", 0 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3694 attached [pid 3692] <... memfd_create resumed>) = 3 [pid 3686] close(10 [pid 3681] close(17 [pid 3694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3692] ftruncate(3, 135266304 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... prctl resumed>) = 0 [pid 3692] <... ftruncate resumed>) = 0 [pid 3686] close(11 [pid 3681] close(18 [pid 3694] setpgid(0, 0 [pid 3692] 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 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... setpgid resumed>) = 0 [pid 3692] <... pwrite64 resumed>) = 102 [pid 3686] close(12 [pid 3685] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3681] close(19 [pid 3694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3692] pwrite64(3, NULL, 0, 1248 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] ioctl(4, LOOP_CLR_FD [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... openat resumed>) = 3 [pid 3692] <... pwrite64 resumed>) = 0 [pid 3686] close(13 [pid 3681] close(20 [pid 3694] write(3, "1000", 4 [pid 3692] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3687] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... write resumed>) = 4 [pid 3692] <... pwrite64 resumed>) = 9 [ 46.268923][ T3686] loop2: detected capacity change from 0 to 264192 [ 46.304078][ T3685] loop4: detected capacity change from 0 to 264192 [pid 3687] ioctl(4, LOOP_CLR_FD [pid 3686] close(14 [pid 3681] close(21 [pid 3694] close(3 [pid 3692] pwrite64(3, NULL, 0, 1600 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... close resumed>) = 0 [pid 3692] <... pwrite64 resumed>) = 0 [pid 3686] close(15 [pid 3681] close(22 [pid 3694] memfd_create("syzkaller", 0 [pid 3692] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... memfd_create resumed>) = 3 [pid 3692] <... pwrite64 resumed>) = 9 [pid 3686] close(16 [pid 3681] close(23 [pid 3694] ftruncate(3, 135266304 [pid 3692] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... ftruncate resumed>) = 0 [pid 3692] <... pwrite64 resumed>) = 8 [pid 3686] close(17 [pid 3681] close(24 [pid 3685] <... ioctl resumed>) = 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 [pid 3692] pwrite64(3, NULL, 0, 26624 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] close(4 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... pwrite64 resumed>) = 102 [pid 3692] <... pwrite64 resumed>) = 0 [pid 3686] close(18 [pid 3685] <... close resumed>) = 0 [pid 3681] close(25 [pid 3694] pwrite64(3, NULL, 0, 1248 [pid 3692] pwrite64(3, NULL, 0, 36864 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] close(3 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... pwrite64 resumed>) = 0 [pid 3692] <... pwrite64 resumed>) = 0 [pid 3686] close(19 [pid 3685] <... close resumed>) = 0 [pid 3681] close(26 [pid 3694] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3692] pwrite64(3, NULL, 0, 4194300 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] close(3 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... pwrite64 resumed>) = 9 [pid 3692] <... pwrite64 resumed>) = 0 [pid 3687] <... ioctl resumed>) = 0 [pid 3686] close(20 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] close(27 [pid 3694] pwrite64(3, NULL, 0, 1600 [pid 3692] pwrite64(3, NULL, 0, 69888 [pid 3687] close(4 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] close(4 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... pwrite64 resumed>) = 0 [pid 3692] <... pwrite64 resumed>) = 0 [pid 3687] <... close resumed>) = 0 [pid 3686] close(21 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] close(28 [pid 3694] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3692] pwrite64(3, NULL, 0, 71040 [pid 3687] close(3 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 46.308367][ T3686] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3685] close(5 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... pwrite64 resumed>) = 9 [pid 3692] <... pwrite64 resumed>) = 0 [pid 3687] <... close resumed>) = 0 [pid 3686] close(22 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] close(6) = -1 EBADF (Bad file descriptor) [pid 3685] close(7) = -1 EBADF (Bad file descriptor) [pid 3681] close(29 [pid 3694] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3692] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3687] close(3 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] close(8 [pid 3681] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... pwrite64 resumed>) = 8 [pid 3692] <... openat resumed>) = 4 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(23 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] exit_group(0 [pid 3694] pwrite64(3, NULL, 0, 26624 [pid 3692] ioctl(4, LOOP_SET_FD, 3 [pid 3694] <... pwrite64 resumed>) = 0 [pid 3687] close(4 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] close(9 [pid 3681] <... exit_group resumed>) = ? [pid 3694] pwrite64(3, NULL, 0, 36864 [pid 3692] <... ioctl resumed>) = 0 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(24 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] close(10 [pid 3694] <... pwrite64 resumed>) = 0 [pid 3692] mkdir("./file0", 0777 [pid 3687] close(5 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3681] +++ exited with 0 +++ [pid 3694] pwrite64(3, NULL, 0, 4194300 [pid 3692] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(25 [pid 3685] close(11 [pid 3694] <... pwrite64 resumed>) = 0 [pid 3692] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3687] close(6 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3694] pwrite64(3, NULL, 0, 69888 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(26 [pid 3685] close(12) = -1 EBADF (Bad file descriptor) [pid 3685] close(13) = -1 EBADF (Bad file descriptor) [pid 3685] close(14) = -1 EBADF (Bad file descriptor) [pid 3694] <... pwrite64 resumed>) = 0 [pid 3687] close(7 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] close(15 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3694] pwrite64(3, NULL, 0, 71040 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(27 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... pwrite64 resumed>) = 0 [pid 3687] close(8 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] close(16 [pid 3629] <... openat resumed>) = 3 [pid 3694] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(28 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3694] <... openat resumed>) = 4 [pid 3687] close(9 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] close(17) = -1 EBADF (Bad file descriptor) [pid 3685] close(18) = -1 EBADF (Bad file descriptor) [pid 3685] close(19) = -1 EBADF (Bad file descriptor) [pid 3685] close(20) = -1 EBADF (Bad file descriptor) [pid 3685] close(21) = -1 EBADF (Bad file descriptor) [pid 3685] close(22 [pid 3694] ioctl(4, LOOP_SET_FD, 3 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] close(29 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3694] <... ioctl resumed>) = 0 [pid 3687] close(10 [pid 3686] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3685] close(23 [pid 3629] close(3 [pid 3694] mkdir("./file0", 0777 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] exit_group(0 [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... close resumed>) = 0 [pid 3694] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3687] close(11 [pid 3686] <... exit_group resumed>) = ? [pid 3685] close(24 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3685] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 46.308877][ T3686] EXT4-fs (loop2): get root inode failed [ 46.308891][ T3686] EXT4-fs (loop2): mount failed [ 46.327383][ T3687] loop5: detected capacity change from 0 to 264192 [pid 3685] close(25) = -1 EBADF (Bad file descriptor) [pid 3685] close(26) = -1 EBADF (Bad file descriptor) [pid 3685] close(27) = -1 EBADF (Bad file descriptor) [pid 3685] close(28) = -1 EBADF (Bad file descriptor) [pid 3685] close(29) = -1 EBADF (Bad file descriptor) [pid 3685] exit_group(0) = ? [pid 3685] +++ exited with 0 +++ [pid 3694] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3686] +++ exited with 0 +++ [pid 3687] close(12 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 5 [pid 3692] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3687] close(13 [pid 3692] ioctl(4, LOOP_CLR_FD) = 0 [pid 3692] close(4) = 0 [pid 3692] close(3) = 0 [pid 3692] close(3) = -1 EBADF (Bad file descriptor) [pid 3692] close(4) = -1 EBADF (Bad file descriptor) [pid 3692] close(5) = -1 EBADF (Bad file descriptor) [pid 3692] close(6) = -1 EBADF (Bad file descriptor) [pid 3692] close(7) = -1 EBADF (Bad file descriptor) [pid 3692] close(8) = -1 EBADF (Bad file descriptor) [pid 3692] close(9) = -1 EBADF (Bad file descriptor) [pid 3692] close(10) = -1 EBADF (Bad file descriptor) [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(11 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] close(14 [pid 3692] close(12 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... openat resumed>) = 3 [pid 3624] <... openat resumed>) = 3 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 46.358366][ T3685] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 46.358825][ T3685] EXT4-fs (loop4): get root inode failed [ 46.358838][ T3685] EXT4-fs (loop4): mount failed [ 46.368689][ T3687] EXT4-fs error (device loop5): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3687] close(15 [pid 3694] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3692] close(13 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] close(14) = -1 EBADF (Bad file descriptor) [pid 3692] close(15) = -1 EBADF (Bad file descriptor) [pid 3692] close(16./strace-static-x86_64: Process 3701 attached ) = -1 EBADF (Bad file descriptor) [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] ioctl(4, LOOP_CLR_FD [pid 3692] close(17 [pid 3687] close(16 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3694] <... ioctl resumed>) = 0 [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] <... prctl resumed>) = 0 [pid 3692] close(18 [pid 3701] setpgid(0, 0 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] <... setpgid resumed>) = 0 [pid 3692] close(19 [pid 3701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] <... openat resumed>) = 3 [pid 3692] close(20 [pid 3701] write(3, "1000", 4 [pid 3694] close(4 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] close(3 [pid 3624] close(3 [pid 3701] <... write resumed>) = 4 [pid 3692] close(21 [pid 3701] close(3 [pid 3694] <... close resumed>) = 0 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] close(17 [pid 3625] <... close resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3701] <... close resumed>) = 0 [pid 3692] close(22 [pid 3701] memfd_create("syzkaller", 0 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] <... memfd_create resumed>) = 3 [pid 3692] close(23 [pid 3694] close(3 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] ftruncate(3, 135266304 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] close(18 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3694] <... close resumed>) = 0 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3701] <... ftruncate resumed>) = 0 [pid 3692] close(24 [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 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] <... pwrite64 resumed>) = 102 [pid 3692] close(25 [pid 3701] pwrite64(3, NULL, 0, 1248 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] <... pwrite64 resumed>) = 0 [pid 3692] close(26 [pid 3701] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] <... pwrite64 resumed>) = 9 [pid 3692] close(27 [pid 3701] pwrite64(3, NULL, 0, 1600 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] <... pwrite64 resumed>) = 0 [pid 3692] close(28 [pid 3701] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 46.369165][ T3687] EXT4-fs (loop5): get root inode failed [ 46.369179][ T3687] EXT4-fs (loop5): mount failed [ 46.402181][ T3656] I/O error, dev loop4, sector 264064 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0 [ 46.424536][ T3652] I/O error, dev loop5, sector 264064 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0 [ 46.455769][ T3692] loop1: detected capacity change from 0 to 264192 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] <... pwrite64 resumed>) = 9 [pid 3694] close(3 [pid 3692] close(29 [pid 3701] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] close(19./strace-static-x86_64: Process 3705 attached [pid 3701] <... pwrite64 resumed>) = 8 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3692] exit_group(0 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 6 [pid 3701] pwrite64(3, NULL, 0, 26624 [pid 3692] <... exit_group resumed>) = ? [pid 3705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3701] <... pwrite64 resumed>) = 0 [pid 3694] close(4 [pid 3692] +++ exited with 0 +++ [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 5 ./strace-static-x86_64: Process 3704 attached [pid 3701] pwrite64(3, NULL, 0, 36864 [pid 3705] <... prctl resumed>) = 0 [pid 3704] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3701] <... pwrite64 resumed>) = 0 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] close(20 [pid 3704] <... prctl resumed>) = 0 [pid 3701] pwrite64(3, NULL, 0, 4194300 [pid 3704] setpgid(0, 0 [pid 3701] <... pwrite64 resumed>) = 0 [pid 3704] <... setpgid resumed>) = 0 [pid 3701] pwrite64(3, NULL, 0, 69888 [pid 3705] setpgid(0, 0 [pid 3704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3701] <... pwrite64 resumed>) = 0 [pid 3694] close(5 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3704] <... openat resumed>) = 3 [pid 3701] pwrite64(3, NULL, 0, 71040 [pid 3704] write(3, "1000", 4 [pid 3701] <... pwrite64 resumed>) = 0 [pid 3704] <... write resumed>) = 4 [ 46.487750][ T3694] loop0: detected capacity change from 0 to 264192 [ 46.510735][ T3692] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 46.511537][ T3692] EXT4-fs (loop1): get root inode failed [ 46.511551][ T3692] EXT4-fs (loop1): mount failed [ 46.540016][ T3694] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 46.540458][ T3694] EXT4-fs (loop0): get root inode failed [pid 3701] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3705] <... setpgid resumed>) = 0 [pid 3704] close(3 [pid 3701] <... openat resumed>) = 4 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] close(21 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3704] <... close resumed>) = 0 [pid 3701] ioctl(4, LOOP_SET_FD, 3 [pid 3705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3704] memfd_create("syzkaller", 0 [pid 3701] <... ioctl resumed>) = 0 [pid 3694] close(6 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 3705] <... openat resumed>) = 3 [pid 3704] <... memfd_create resumed>) = 3 [pid 3701] mkdir("./file0", 0777 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] close(22 [pid 3705] write(3, "1000", 4 [pid 3704] ftruncate(3, 135266304 [pid 3701] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3704] <... ftruncate resumed>) = 0 [pid 3701] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3705] <... write resumed>) = 4 [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 [pid 3694] close(7 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = 0 [pid 3705] close(3 [pid 3704] <... pwrite64 resumed>) = 102 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] close(23 [pid 3627] close(3 [pid 3705] <... close resumed>) = 0 [pid 3704] pwrite64(3, NULL, 0, 1248 [pid 3694] close(8 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 3705] memfd_create("syzkaller", 0 [pid 3704] <... pwrite64 resumed>) = 0 [ 46.540472][ T3694] EXT4-fs (loop0): mount failed [ 46.652111][ T3701] loop3: detected capacity change from 0 to 264192 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] close(24 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3705] <... memfd_create resumed>) = 3 [pid 3704] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3701] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3694] close(9 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] ftruncate(3, 135266304 [pid 3704] <... pwrite64 resumed>) = 9 [pid 3701] ioctl(4, LOOP_CLR_FD [pid 3704] pwrite64(3, NULL, 0, 1600 [pid 3701] <... ioctl resumed>) = 0 [pid 3704] <... pwrite64 resumed>) = 0 [pid 3701] close(4 [pid 3704] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3701] <... close resumed>) = 0 [pid 3704] <... pwrite64 resumed>) = 9 [pid 3701] close(3 [pid 3704] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3701] <... close resumed>) = 0 [pid 3704] <... pwrite64 resumed>) = 8 [pid 3701] close(3 [pid 3704] pwrite64(3, NULL, 0, 26624 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] <... pwrite64 resumed>) = 0 [pid 3701] close(4./strace-static-x86_64: Process 3708 attached [pid 3705] <... ftruncate resumed>) = 0 [pid 3704] pwrite64(3, NULL, 0, 36864 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] close(25 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 6 [pid 3705] 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 [pid 3704] <... pwrite64 resumed>) = 0 [pid 3701] close(5 [pid 3694] close(10 [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3705] <... pwrite64 resumed>) = 102 [pid 3704] pwrite64(3, NULL, 0, 4194300 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] <... pwrite64 resumed>) = 0 [pid 3701] close(6 [pid 3704] pwrite64(3, NULL, 0, 69888 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] <... pwrite64 resumed>) = 0 [pid 3701] close(7 [pid 3704] pwrite64(3, NULL, 0, 71040 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] <... pwrite64 resumed>) = 0 [pid 3701] close(8 [pid 3704] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] <... openat resumed>) = 4 [pid 3701] close(9 [pid 3704] ioctl(4, LOOP_SET_FD, 3 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] <... ioctl resumed>) = 0 [pid 3701] close(10 [pid 3704] mkdir("./file0", 0777 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] <... prctl resumed>) = 0 [pid 3705] pwrite64(3, NULL, 0, 1248 [pid 3704] <... mkdir resumed>) = -1 EEXIST (File exists) [ 46.701569][ T3701] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 46.701987][ T3701] EXT4-fs (loop3): get root inode failed [ 46.702001][ T3701] EXT4-fs (loop3): mount failed [pid 3701] close(11 [pid 3694] close(11 [pid 3687] close(26 [pid 3708] setpgid(0, 0 [pid 3705] <... pwrite64 resumed>) = 0 [pid 3704] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] close(12) = -1 EBADF (Bad file descriptor) [pid 3701] close(13) = -1 EBADF (Bad file descriptor) [pid 3701] close(14) = -1 EBADF (Bad file descriptor) [pid 3701] close(15) = -1 EBADF (Bad file descriptor) [pid 3701] close(16) = -1 EBADF (Bad file descriptor) [pid 3701] close(17 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] <... setpgid resumed>) = 0 [pid 3705] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] close(12 [pid 3687] close(27 [pid 3708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3705] <... pwrite64 resumed>) = 9 [pid 3701] close(18 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] <... openat resumed>) = 3 [pid 3705] pwrite64(3, NULL, 0, 1600 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] close(13 [pid 3687] close(28 [pid 3708] write(3, "1000", 4 [pid 3705] <... pwrite64 resumed>) = 0 [pid 3701] close(19 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] <... write resumed>) = 4 [pid 3705] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] close(14 [pid 3687] close(29 [pid 3708] close(3 [pid 3705] <... pwrite64 resumed>) = 9 [pid 3701] close(20 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] <... close resumed>) = 0 [pid 3705] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] close(15 [pid 3708] memfd_create("syzkaller", 0 [pid 3705] <... pwrite64 resumed>) = 8 [pid 3701] close(21 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] exit_group(0 [pid 3701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3701] close(22) = -1 EBADF (Bad file descriptor) [pid 3701] close(23) = -1 EBADF (Bad file descriptor) [ 46.750976][ T3704] loop2: detected capacity change from 0 to 264192 [pid 3701] close(24) = -1 EBADF (Bad file descriptor) [pid 3701] close(25) = -1 EBADF (Bad file descriptor) [pid 3701] close(26) = -1 EBADF (Bad file descriptor) [pid 3701] close(27) = -1 EBADF (Bad file descriptor) [pid 3701] close(28) = -1 EBADF (Bad file descriptor) [pid 3701] close(29) = -1 EBADF (Bad file descriptor) [pid 3701] exit_group(0) = ? [pid 3701] +++ exited with 0 +++ [pid 3694] close(16 [pid 3708] <... memfd_create resumed>) = 3 [pid 3705] pwrite64(3, NULL, 0, 26624 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3687] <... exit_group resumed>) = ? [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3704] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3708] ftruncate(3, 135266304 [pid 3705] <... pwrite64 resumed>) = 0 [pid 3694] close(17 [pid 3687] +++ exited with 0 +++ [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] restart_syscall(<... resuming interrupted clone ...> [pid 3705] pwrite64(3, NULL, 0, 36864 [pid 3708] <... ftruncate resumed>) = 0 [pid 3629] <... restart_syscall resumed>) = 0 [pid 3705] <... pwrite64 resumed>) = 0 [pid 3694] close(18 [pid 3628] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3708] 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 [pid 3705] pwrite64(3, NULL, 0, 4194300 [pid 3704] ioctl(4, LOOP_CLR_FD [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] <... pwrite64 resumed>) = 0 [pid 3628] <... openat resumed>) = 3 [pid 3705] pwrite64(3, NULL, 0, 69888 [pid 3694] close(19 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] <... pwrite64 resumed>) = 0 [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3708] <... pwrite64 resumed>) = 102 [pid 3705] pwrite64(3, NULL, 0, 71040 [pid 3694] close(20 [pid 3629] <... openat resumed>) = 3 [pid 3628] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3708] pwrite64(3, NULL, 0, 1248 [pid 3705] <... pwrite64 resumed>) = 0 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3628] close(3 [pid 3708] <... pwrite64 resumed>) = 0 [pid 3705] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3694] close(21 [pid 3629] <... ioctl resumed>) = 0 [pid 3628] <... close resumed>) = 0 [pid 3708] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3705] <... openat resumed>) = 4 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] close(3 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3708] <... pwrite64 resumed>) = 9 [pid 3705] ioctl(4, LOOP_SET_FD, 3 [pid 3694] close(22 [pid 3629] <... close resumed>) = 0 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3708] pwrite64(3, NULL, 0, 1600 [pid 3705] <... ioctl resumed>) = 0 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 6 [pid 3708] <... pwrite64 resumed>) = 0 [pid 3705] mkdir("./file0", 0777 [pid 3694] close(23 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 6 ./strace-static-x86_64: Process 3712 attached [pid 3708] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3705] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3708] <... pwrite64 resumed>) = 9 [pid 3705] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [ 46.807682][ T3704] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3694] close(24./strace-static-x86_64: Process 3713 attached [pid 3712] <... prctl resumed>) = 0 [pid 3713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3712] setpgid(0, 0 [pid 3713] <... prctl resumed>) = 0 [pid 3712] <... setpgid resumed>) = 0 [pid 3713] setpgid(0, 0 [pid 3712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3713] <... setpgid resumed>) = 0 [pid 3712] <... openat resumed>) = 3 [pid 3713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3712] write(3, "1000", 4 [pid 3708] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3713] <... openat resumed>) = 3 [pid 3712] <... write resumed>) = 4 [pid 3694] close(25 [pid 3713] write(3, "1000", 4 [pid 3712] close(3 [pid 3704] <... ioctl resumed>) = 0 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] <... pwrite64 resumed>) = 8 [pid 3713] <... write resumed>) = 4 [pid 3712] <... close resumed>) = 0 [pid 3704] close(4 [pid 3694] close(26 [pid 3713] close(3 [pid 3712] memfd_create("syzkaller", 0 [pid 3708] pwrite64(3, NULL, 0, 26624 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3713] <... close resumed>) = 0 [pid 3712] <... memfd_create resumed>) = 3 [pid 3694] close(27 [pid 3713] memfd_create("syzkaller", 0 [pid 3712] ftruncate(3, 135266304 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3713] <... memfd_create resumed>) = 3 [pid 3712] <... ftruncate resumed>) = 0 [pid 3708] <... pwrite64 resumed>) = 0 [ 46.808149][ T3704] EXT4-fs (loop2): get root inode failed [ 46.808164][ T3704] EXT4-fs (loop2): mount failed [ 46.846025][ T3705] loop4: detected capacity change from 0 to 264192 [pid 3704] <... close resumed>) = 0 [pid 3694] close(28 [pid 3713] ftruncate(3, 135266304 [pid 3712] 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 [pid 3708] pwrite64(3, NULL, 0, 36864 [pid 3705] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3704] close(3 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3713] <... ftruncate resumed>) = 0 [pid 3712] <... pwrite64 resumed>) = 102 [pid 3708] <... pwrite64 resumed>) = 0 [pid 3705] ioctl(4, LOOP_CLR_FD [pid 3704] <... close resumed>) = 0 [pid 3694] close(29 [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 [pid 3712] pwrite64(3, NULL, 0, 1248 [pid 3708] pwrite64(3, NULL, 0, 4194300 [pid 3704] close(3 [pid 3694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] <... pwrite64 resumed>) = 0 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3694] exit_group(0 [pid 3713] <... pwrite64 resumed>) = 102 [pid 3712] <... pwrite64 resumed>) = 0 [pid 3708] pwrite64(3, NULL, 0, 69888 [pid 3704] close(4 [pid 3694] <... exit_group resumed>) = ? [pid 3713] pwrite64(3, NULL, 0, 1248 [pid 3712] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3708] <... pwrite64 resumed>) = 0 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] pwrite64(3, NULL, 0, 71040 [pid 3704] close(5 [pid 3708] <... pwrite64 resumed>) = 0 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3713] <... pwrite64 resumed>) = 0 [pid 3712] <... pwrite64 resumed>) = 9 [pid 3708] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3704] close(6 [pid 3694] +++ exited with 0 +++ [pid 3713] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3712] pwrite64(3, NULL, 0, 1600 [pid 3708] <... openat resumed>) = 4 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3713] <... pwrite64 resumed>) = 9 [pid 3712] <... pwrite64 resumed>) = 0 [pid 3708] ioctl(4, LOOP_SET_FD, 3 [pid 3704] close(7 [pid 3626] restart_syscall(<... resuming interrupted clone ...> [pid 3713] pwrite64(3, NULL, 0, 1600 [pid 3712] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3708] <... ioctl resumed>) = 0 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... restart_syscall resumed>) = 0 [pid 3713] <... pwrite64 resumed>) = 0 [pid 3712] <... pwrite64 resumed>) = 9 [pid 3708] mkdir("./file0", 0777 [pid 3704] close(8 [pid 3713] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3712] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3708] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3713] <... pwrite64 resumed>) = 9 [pid 3712] <... pwrite64 resumed>) = 8 [pid 3708] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3704] close(9 [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3713] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3712] pwrite64(3, NULL, 0, 26624 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3713] <... pwrite64 resumed>) = 8 [pid 3712] <... pwrite64 resumed>) = 0 [pid 3704] close(10 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3713] pwrite64(3, NULL, 0, 26624 [pid 3712] pwrite64(3, NULL, 0, 36864 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3713] <... pwrite64 resumed>) = 0 [pid 3712] <... pwrite64 resumed>) = 0 [pid 3704] close(11 [pid 3626] close(3 [pid 3713] pwrite64(3, NULL, 0, 36864 [pid 3712] pwrite64(3, NULL, 0, 4194300 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... close resumed>) = 0 [pid 3713] <... pwrite64 resumed>) = 0 [pid 3712] <... pwrite64 resumed>) = 0 [pid 3704] close(12 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3713] pwrite64(3, NULL, 0, 4194300 [pid 3712] pwrite64(3, NULL, 0, 69888 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3713] <... pwrite64 resumed>) = 0 [pid 3712] <... pwrite64 resumed>) = 0 [pid 3704] close(13 [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 6 [pid 3713] pwrite64(3, NULL, 0, 69888 [pid 3712] pwrite64(3, NULL, 0, 71040 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3713] <... pwrite64 resumed>) = 0 [pid 3712] <... pwrite64 resumed>) = 0 [pid 3704] close(14 [pid 3713] pwrite64(3, NULL, 0, 71040 [pid 3712] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3713] <... pwrite64 resumed>) = 0 [pid 3712] <... openat resumed>) = 4 [pid 3704] close(15 [pid 3713] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3712] ioctl(4, LOOP_SET_FD, 3 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3713] <... openat resumed>) = 4 [pid 3712] <... ioctl resumed>) = 0 [pid 3704] close(16 [pid 3713] ioctl(4, LOOP_SET_FD, 3 [pid 3712] mkdir("./file0", 0777 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3716 attached [pid 3713] <... ioctl resumed>) = 0 [pid 3712] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3704] close(17 [pid 3716] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3713] mkdir("./file0", 0777 [pid 3712] mount("/dev/loop5", "./file0", "ext4", 0, ",errors=continue" [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] <... prctl resumed>) = 0 [pid 3713] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3704] close(18 [pid 3716] setpgid(0, 0 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] <... setpgid resumed>) = 0 [pid 3713] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3704] close(19 [pid 3716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] <... openat resumed>) = 3 [ 46.894860][ T3705] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3705] <... ioctl resumed>) = 0 [pid 3704] close(20 [pid 3716] write(3, "1000", 4 [pid 3705] close(4 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] <... write resumed>) = 4 [pid 3705] <... close resumed>) = 0 [pid 3704] close(21 [pid 3716] close(3 [pid 3705] close(3 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] <... close resumed>) = 0 [pid 3705] <... close resumed>) = 0 [pid 3704] close(22 [pid 3716] memfd_create("syzkaller", 0 [pid 3708] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3705] close(3 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] <... memfd_create resumed>) = 3 [pid 3708] ioctl(4, LOOP_CLR_FD [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] close(23 [pid 3716] ftruncate(3, 135266304 [pid 3708] <... ioctl resumed>) = 0 [pid 3705] close(4 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] <... ftruncate resumed>) = 0 [pid 3708] close(4 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] close(24 [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 [pid 3708] <... close resumed>) = 0 [pid 3705] close(5 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] <... pwrite64 resumed>) = 102 [pid 3708] close(3 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] close(25 [pid 3716] pwrite64(3, NULL, 0, 1248 [pid 3708] <... close resumed>) = 0 [pid 3705] close(6 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] <... pwrite64 resumed>) = 0 [pid 3708] close(3 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] close(26 [pid 3716] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(7 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] <... pwrite64 resumed>) = 9 [pid 3708] close(4 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] close(27 [pid 3716] pwrite64(3, NULL, 0, 1600 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(8 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] <... pwrite64 resumed>) = 0 [pid 3712] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3708] close(5 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] close(28 [pid 3716] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3712] ioctl(4, LOOP_CLR_FD [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(9 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] <... pwrite64 resumed>) = 9 [pid 3708] close(6 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] close(29 [pid 3716] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(10 [pid 3704] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] <... pwrite64 resumed>) = 8 [pid 3708] close(7 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] exit_group(0 [pid 3716] pwrite64(3, NULL, 0, 26624 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(11 [pid 3704] <... exit_group resumed>) = ? [pid 3716] <... pwrite64 resumed>) = 0 [pid 3708] close(8 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3704] +++ exited with 0 +++ [pid 3716] pwrite64(3, NULL, 0, 36864 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(12 [pid 3716] <... pwrite64 resumed>) = 0 [pid 3708] close(9 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3716] pwrite64(3, NULL, 0, 4194300 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(13 [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3716] <... pwrite64 resumed>) = 0 [pid 3708] close(10 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... restart_syscall resumed>) = 0 [pid 3716] pwrite64(3, NULL, 0, 69888 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(14 [pid 3716] <... pwrite64 resumed>) = 0 [pid 3708] close(11 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] pwrite64(3, NULL, 0, 71040 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(15 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3716] <... pwrite64 resumed>) = 0 [pid 3708] close(12 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... openat resumed>) = 3 [pid 3716] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(16 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3716] <... openat resumed>) = 4 [pid 3708] close(13 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3716] ioctl(4, LOOP_SET_FD, 3 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(17 [ 46.895280][ T3705] EXT4-fs (loop4): get root inode failed [ 46.895294][ T3705] EXT4-fs (loop4): mount failed [pid 3625] close(3 [pid 3716] <... ioctl resumed>) = 0 [pid 3708] close(14 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 3716] mkdir("./file0", 0777 [pid 3713] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(18 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3716] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3713] ioctl(4, LOOP_CLR_FD [pid 3708] close(15 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3716] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3713] <... ioctl resumed>) = 0 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(19 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 7 [pid 3713] close(4 [pid 3708] close(16 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3713] <... close resumed>) = 0 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(20./strace-static-x86_64: Process 3723 attached [pid 3713] close(3 [pid 3712] <... ioctl resumed>) = 0 [pid 3708] close(17 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3713] <... close resumed>) = 0 [pid 3712] close(4 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(21 [pid 3723] <... prctl resumed>) = 0 [pid 3713] close(3 [pid 3712] <... close resumed>) = 0 [pid 3708] close(18 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] setpgid(0, 0 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(3 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(22 [pid 3723] <... setpgid resumed>) = 0 [pid 3713] close(4 [pid 3712] <... close resumed>) = 0 [pid 3708] close(19 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(23 [pid 3723] <... openat resumed>) = 3 [pid 3708] close(20 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] write(3, "1000", 4 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(24 [pid 3723] <... write resumed>) = 4 [pid 3713] close(5 [pid 3712] close(3 [pid 3708] close(21 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(3 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(25 [pid 3723] <... close resumed>) = 0 [pid 3708] close(22 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] memfd_create("syzkaller", 0 [pid 3713] close(6 [pid 3712] close(4 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(26 [pid 3723] <... memfd_create resumed>) = 3 [pid 3716] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] close(23 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] ftruncate(3, 135266304 [pid 3716] ioctl(4, LOOP_CLR_FD [pid 3713] close(7 [pid 3712] close(5 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(27 [pid 3723] <... ftruncate resumed>) = 0 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] close(24 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] 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 [pid 3713] close(8 [pid 3712] close(6 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(28 [pid 3723] <... pwrite64 resumed>) = 102 [ 46.928826][ T3708] loop1: detected capacity change from 0 to 264192 [ 46.953509][ T3712] loop5: detected capacity change from 0 to 264192 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3708] close(25 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] pwrite64(3, NULL, 0, 1248 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] close(29 [pid 3723] <... pwrite64 resumed>) = 0 [pid 3708] close(26 [pid 3705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] exit_group(0 [pid 3723] <... pwrite64 resumed>) = 9 [pid 3713] close(9 [pid 3712] close(7 [pid 3708] close(27 [pid 3705] <... exit_group resumed>) = ? [pid 3723] pwrite64(3, NULL, 0, 1600 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3705] +++ exited with 0 +++ [pid 3723] <... pwrite64 resumed>) = 0 [pid 3708] close(28 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3723] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] restart_syscall(<... resuming interrupted clone ...> [pid 3723] <... pwrite64 resumed>) = 9 [pid 3708] close(29 [pid 3624] <... restart_syscall resumed>) = 0 [pid 3723] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] <... pwrite64 resumed>) = 8 [pid 3708] exit_group(0 [pid 3723] pwrite64(3, NULL, 0, 26624 [pid 3708] <... exit_group resumed>) = ? [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3723] <... pwrite64 resumed>) = 0 [pid 3708] +++ exited with 0 +++ [pid 3624] <... openat resumed>) = 3 [pid 3723] pwrite64(3, NULL, 0, 36864 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3723] <... pwrite64 resumed>) = 0 [pid 3713] close(10 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3723] pwrite64(3, NULL, 0, 4194300 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] close(3 [pid 3723] <... pwrite64 resumed>) = 0 [pid 3713] close(11 [pid 3624] <... close resumed>) = 0 [pid 3723] pwrite64(3, NULL, 0, 69888 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3723] <... pwrite64 resumed>) = 0 [pid 3713] close(12 [pid 3712] close(8 [pid 3723] pwrite64(3, NULL, 0, 71040 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 6 [pid 3723] <... pwrite64 resumed>) = 0 [pid 3716] <... ioctl resumed>) = 0 [pid 3713] close(13 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 3723] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3723] <... openat resumed>) = 4 [pid 3713] close(14 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 3726 attached [pid 3723] ioctl(4, LOOP_SET_FD, 3 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(3 [pid 3726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3723] <... ioctl resumed>) = 0 [pid 3716] close(4 [pid 3713] close(15 [pid 3712] close(9 [pid 3627] <... close resumed>) = 0 [ 46.954788][ T3713] loop3: detected capacity change from 0 to 264192 [ 46.976417][ T3708] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 46.976917][ T3708] EXT4-fs (loop1): get root inode failed [ 46.976930][ T3708] EXT4-fs (loop1): mount failed [pid 3726] <... prctl resumed>) = 0 [pid 3723] mkdir("./file0", 0777 [pid 3716] <... close resumed>) = 0 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3726] setpgid(0, 0 [pid 3723] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3713] close(16 [pid 3726] <... setpgid resumed>) = 0 [pid 3723] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 7 [pid 3726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3713] close(17 [pid 3726] <... openat resumed>) = 3 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] write(3, "1000", 4 [pid 3713] close(18 [pid 3726] <... write resumed>) = 4 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] close(3 [pid 3713] close(19 [pid 3726] <... close resumed>) = 0 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3727 attached [pid 3726] memfd_create("syzkaller", 0 [pid 3716] close(3 [pid 3713] close(20 [pid 3712] close(10 [pid 3726] <... memfd_create resumed>) = 3 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] ftruncate(3, 135266304 [pid 3713] close(21 [pid 3727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3726] <... ftruncate resumed>) = 0 [pid 3716] <... close resumed>) = 0 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] 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 [pid 3713] close(22 [pid 3726] <... pwrite64 resumed>) = 102 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] pwrite64(3, NULL, 0, 1248 [pid 3713] close(23 [pid 3726] <... pwrite64 resumed>) = 0 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] <... prctl resumed>) = 0 [pid 3726] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3716] close(3 [pid 3713] close(24 [pid 3712] close(11 [pid 3727] setpgid(0, 0 [pid 3726] <... pwrite64 resumed>) = 9 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] <... setpgid resumed>) = 0 [pid 3726] pwrite64(3, NULL, 0, 1600 [pid 3716] close(4 [pid 3713] close(25 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] <... pwrite64 resumed>) = 0 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3713] close(26 [pid 3726] <... pwrite64 resumed>) = 9 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3713] close(27 [pid 3726] <... pwrite64 resumed>) = 8 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] pwrite64(3, NULL, 0, 26624 [pid 3713] close(28 [pid 3726] <... pwrite64 resumed>) = 0 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] pwrite64(3, NULL, 0, 36864 [pid 3713] close(29 [pid 3726] <... pwrite64 resumed>) = 0 [pid 3713] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] pwrite64(3, NULL, 0, 4194300 [pid 3713] exit_group(0 [pid 3726] <... pwrite64 resumed>) = 0 [pid 3713] <... exit_group resumed>) = ? [pid 3727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3726] pwrite64(3, NULL, 0, 69888 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3713] +++ exited with 0 +++ [pid 3712] close(12 [pid 3726] <... pwrite64 resumed>) = 0 [pid 3726] pwrite64(3, NULL, 0, 71040) = 0 [pid 3726] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 3726] ioctl(4, LOOP_SET_FD, 3) = 0 [ 46.991002][ T3712] EXT4-fs error (device loop5): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 46.991999][ T3712] EXT4-fs (loop5): get root inode failed [ 46.992012][ T3712] EXT4-fs (loop5): mount failed [ 47.022255][ T3713] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 47.022777][ T3713] EXT4-fs (loop3): get root inode failed [ 47.022792][ T3713] EXT4-fs (loop3): mount failed [pid 3726] mkdir("./file0", 0777 [pid 3727] <... openat resumed>) = 3 [pid 3726] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3716] close(5 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] write(3, "1000", 4 [pid 3726] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3727] <... write resumed>) = 4 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(13 [pid 3727] close(3 [pid 3716] close(6 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] <... close resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(14 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3716] close(7 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... openat resumed>) = 3 [pid 3727] memfd_create("syzkaller", 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(15 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3716] close(8 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3727] <... memfd_create resumed>) = 3 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(16 [ 47.025248][ T3716] loop0: detected capacity change from 0 to 264192 [ 47.070251][ T3716] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 47.070685][ T3716] EXT4-fs (loop0): get root inode failed [ 47.070698][ T3716] EXT4-fs (loop0): mount failed [ 47.133389][ T3723] loop2: detected capacity change from 0 to 264192 [pid 3629] close(3 [pid 3727] ftruncate(3, 135266304 [pid 3723] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3716] close(9 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... close resumed>) = 0 [pid 3727] <... ftruncate resumed>) = 0 [pid 3723] ioctl(4, LOOP_CLR_FD [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(17 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3727] 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 3727] pwrite64(3, NULL, 0, 1248) = 0 [pid 3727] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3727] pwrite64(3, NULL, 0, 1600 [pid 3716] close(10 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3730 attached [pid 3727] <... pwrite64 resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(18 [pid 3730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3727] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3716] close(11 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 7 [pid 3730] <... prctl resumed>) = 0 [pid 3727] <... pwrite64 resumed>) = 9 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(19 [pid 3730] setpgid(0, 0 [pid 3727] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3716] close(12 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] <... setpgid resumed>) = 0 [pid 3727] <... pwrite64 resumed>) = 8 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(20 [pid 3730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3727] pwrite64(3, NULL, 0, 26624 [pid 3716] close(13 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] <... openat resumed>) = 3 [pid 3727] <... pwrite64 resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(21 [pid 3730] write(3, "1000", 4 [pid 3727] pwrite64(3, NULL, 0, 36864 [pid 3716] close(14 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] <... write resumed>) = 4 [pid 3727] <... pwrite64 resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(22 [pid 3730] close(3 [pid 3727] pwrite64(3, NULL, 0, 4194300 [pid 3716] close(15 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] <... close resumed>) = 0 [pid 3727] <... pwrite64 resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(23 [pid 3730] memfd_create("syzkaller", 0 [pid 3727] pwrite64(3, NULL, 0, 69888 [pid 3716] close(16 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] <... memfd_create resumed>) = 3 [pid 3727] <... pwrite64 resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(24 [pid 3730] ftruncate(3, 135266304 [pid 3727] pwrite64(3, NULL, 0, 71040 [pid 3716] close(17 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] <... ftruncate resumed>) = 0 [pid 3727] <... pwrite64 resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(25 [pid 3730] 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 [pid 3727] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3716] close(18 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] <... pwrite64 resumed>) = 102 [pid 3727] <... openat resumed>) = 4 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(26 [pid 3730] pwrite64(3, NULL, 0, 1248 [pid 3727] ioctl(4, LOOP_SET_FD, 3 [pid 3716] close(19 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] <... pwrite64 resumed>) = 0 [pid 3727] <... ioctl resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(27 [pid 3730] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3727] mkdir("./file0", 0777 [pid 3716] close(20 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] <... pwrite64 resumed>) = 9 [pid 3727] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(28 [pid 3730] pwrite64(3, NULL, 0, 1600 [ 47.191651][ T3726] loop4: detected capacity change from 0 to 264192 [ 47.233851][ T3723] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 47.235198][ T3723] EXT4-fs (loop2): get root inode failed [ 47.235212][ T3723] EXT4-fs (loop2): mount failed [pid 3727] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3716] close(21 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] <... pwrite64 resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] close(29 [pid 3730] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3716] close(22 [pid 3712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] <... pwrite64 resumed>) = 9 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] exit_group(0 [pid 3730] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3716] close(23 [pid 3712] <... exit_group resumed>) = ? [pid 3730] <... pwrite64 resumed>) = 8 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3712] +++ exited with 0 +++ [pid 3730] pwrite64(3, NULL, 0, 26624 [pid 3716] close(24 [pid 3730] <... pwrite64 resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3730] pwrite64(3, NULL, 0, 36864 [pid 3716] close(25 [pid 3628] restart_syscall(<... resuming interrupted clone ...> [pid 3730] <... pwrite64 resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... restart_syscall resumed>) = 0 [pid 3730] pwrite64(3, NULL, 0, 4194300 [pid 3716] close(26 [pid 3730] <... pwrite64 resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] pwrite64(3, NULL, 0, 69888 [pid 3716] close(27 [pid 3628] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3730] <... pwrite64 resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... openat resumed>) = 3 [pid 3730] pwrite64(3, NULL, 0, 71040 [pid 3716] close(28 [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3730] <... pwrite64 resumed>) = 0 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3730] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3716] close(29 [pid 3628] close(3 [pid 3730] <... openat resumed>) = 4 [pid 3716] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... close resumed>) = 0 [pid 3730] ioctl(4, LOOP_SET_FD, 3 [pid 3716] exit_group(0 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3730] <... ioctl resumed>) = 0 [pid 3716] <... exit_group resumed>) = ? [pid 3730] mkdir("./file0", 0777 [pid 3716] +++ exited with 0 +++ [pid 3628] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 7 [pid 3730] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 47.286645][ T3727] loop1: detected capacity change from 0 to 264192 [pid 3730] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3626] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3723] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 3733 attached [pid 3733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3726] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3726] ioctl(4, LOOP_CLR_FD) = 0 [pid 3723] close(4 [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3726] close(4 [pid 3723] <... close resumed>) = 0 [pid 3726] <... close resumed>) = 0 [pid 3726] close(3) = 0 [pid 3726] close(3) = -1 EBADF (Bad file descriptor) [pid 3726] close(4) = -1 EBADF (Bad file descriptor) [pid 3726] close(5) = -1 EBADF (Bad file descriptor) [pid 3726] close(6) = -1 EBADF (Bad file descriptor) [pid 3726] close(7) = -1 EBADF (Bad file descriptor) [pid 3726] close(8) = -1 EBADF (Bad file descriptor) [pid 3726] close(9 [pid 3626] <... openat resumed>) = 3 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] close(3 [pid 3726] close(10) = -1 EBADF (Bad file descriptor) [pid 3726] close(11) = -1 EBADF (Bad file descriptor) [pid 3727] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3726] close(12 [pid 3723] <... close resumed>) = 0 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3727] ioctl(4, LOOP_CLR_FD [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] close(13 [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3723] close(3 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] close(3 [pid 3726] close(14 [pid 3723] close(4 [pid 3626] <... close resumed>) = 0 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3726] close(15 [pid 3723] close(5 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] close(16) = -1 EBADF (Bad file descriptor) [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 7 [pid 3726] close(17 [pid 3723] close(6 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3726] close(18 [pid 3723] close(7 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3738 attached [pid 3726] close(19 [pid 3723] close(8 [pid 3738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... prctl resumed>) = 0 [pid 3726] close(20 [pid 3723] close(9 [pid 3738] setpgid(0, 0 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... setpgid resumed>) = 0 [pid 3726] close(21 [pid 3723] close(10 [pid 3738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... openat resumed>) = 3 [pid 3726] close(22 [pid 3723] close(11 [pid 3738] write(3, "1000", 4 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... write resumed>) = 4 [pid 3726] close(23 [pid 3723] close(12 [pid 3738] close(3 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... close resumed>) = 0 [pid 3726] close(24 [pid 3723] close(13 [pid 3738] memfd_create("syzkaller", 0 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... memfd_create resumed>) = 3 [pid 3726] close(25 [pid 3723] close(14 [pid 3738] ftruncate(3, 135266304 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... ftruncate resumed>) = 0 [pid 3726] close(26 [pid 3723] close(15 [ 47.312617][ T3730] loop3: detected capacity change from 0 to 264192 [ 47.328732][ T3726] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3738] 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 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... pwrite64 resumed>) = 102 [pid 3726] close(27 [pid 3723] close(16 [pid 3738] pwrite64(3, NULL, 0, 1248 [pid 3733] <... prctl resumed>) = 0 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... pwrite64 resumed>) = 0 [pid 3726] close(28 [pid 3723] close(17 [pid 3738] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... pwrite64 resumed>) = 9 [pid 3726] close(29 [pid 3723] close(18 [pid 3738] pwrite64(3, NULL, 0, 1600 [pid 3726] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... pwrite64 resumed>) = 0 [pid 3726] exit_group(0 [pid 3723] close(19 [pid 3733] setpgid(0, 0 [pid 3738] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3726] <... exit_group resumed>) = ? [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... pwrite64 resumed>) = 9 [pid 3733] <... setpgid resumed>) = 0 [pid 3726] +++ exited with 0 +++ [pid 3723] close(20 [pid 3738] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... pwrite64 resumed>) = 8 [pid 3723] close(21 [pid 3738] pwrite64(3, NULL, 0, 26624 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3738] <... pwrite64 resumed>) = 0 [pid 3723] close(22 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3738] pwrite64(3, NULL, 0, 36864 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... pwrite64 resumed>) = 0 [pid 3733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3730] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3723] close(23 [pid 3624] <... openat resumed>) = 3 [pid 3738] pwrite64(3, NULL, 0, 4194300 [pid 3730] ioctl(4, LOOP_CLR_FD [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3738] <... pwrite64 resumed>) = 0 [pid 3733] <... openat resumed>) = 3 [pid 3723] close(24 [pid 3624] <... ioctl resumed>) = 0 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] close(3 [pid 3733] write(3, "1000", 4 [pid 3723] close(25 [pid 3733] <... write resumed>) = 4 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3738] pwrite64(3, NULL, 0, 69888 [pid 3733] close(3 [pid 3723] close(26 [pid 3733] <... close resumed>) = 0 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3723] close(27 [pid 3738] <... pwrite64 resumed>) = 0 [pid 3738] pwrite64(3, NULL, 0, 71040) = 0 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3723] close(28 [pid 3733] memfd_create("syzkaller", 0 [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 7 [pid 3738] <... openat resumed>) = 4 [pid 3733] <... memfd_create resumed>) = 3 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] ioctl(4, LOOP_SET_FD, 3 [pid 3733] ftruncate(3, 135266304 [pid 3723] close(29 [pid 3738] <... ioctl resumed>) = 0 [pid 3733] <... ftruncate resumed>) = 0 [pid 3723] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] mkdir("./file0", 0777 [pid 3733] 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 [pid 3723] exit_group(0 [pid 3738] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3733] <... pwrite64 resumed>) = 102 [pid 3723] <... exit_group resumed>) = ? [pid 3738] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3733] pwrite64(3, NULL, 0, 1248 [pid 3723] +++ exited with 0 +++ [pid 3727] <... ioctl resumed>) = 0 [pid 3733] <... pwrite64 resumed>) = 0 [pid 3733] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3727] close(4 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3733] <... pwrite64 resumed>) = 9 [pid 3727] <... close resumed>) = 0 [pid 3733] pwrite64(3, NULL, 0, 1600 [pid 3727] close(3) = 0 [pid 3733] <... pwrite64 resumed>) = 0 [pid 3727] close(3 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3733] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... pwrite64 resumed>) = 9 [pid 3727] close(4 [pid 3625] <... openat resumed>) = 3 ./strace-static-x86_64: Process 3739 attached [pid 3733] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3733] <... pwrite64 resumed>) = 8 [pid 3727] close(5 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3733] pwrite64(3, NULL, 0, 26624 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] close(3 [pid 3739] <... prctl resumed>) = 0 [pid 3733] <... pwrite64 resumed>) = 0 [pid 3727] close(6 [pid 3625] <... close resumed>) = 0 [pid 3739] setpgid(0, 0 [pid 3733] pwrite64(3, NULL, 0, 36864 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3739] <... setpgid resumed>) = 0 [pid 3733] <... pwrite64 resumed>) = 0 [pid 3727] close(7 [pid 3739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3733] pwrite64(3, NULL, 0, 4194300 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... pwrite64 resumed>) = 0 [pid 3727] close(8 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 8 [pid 3733] pwrite64(3, NULL, 0, 69888 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3741 attached [pid 3741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3730] <... ioctl resumed>) = 0 [pid 3733] <... pwrite64 resumed>) = 0 [pid 3730] close(4 [pid 3727] close(9 [pid 3739] <... openat resumed>) = 3 [pid 3733] pwrite64(3, NULL, 0, 71040 [pid 3730] <... close resumed>) = 0 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] <... prctl resumed>) = 0 [pid 3741] setpgid(0, 0 [pid 3739] write(3, "1000", 4 [pid 3733] <... pwrite64 resumed>) = 0 [pid 3730] close(3 [pid 3727] close(10 [pid 3741] <... setpgid resumed>) = 0 [pid 3730] <... close resumed>) = 0 [pid 3733] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3739] <... write resumed>) = 4 [pid 3730] close(3 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3739] close(3 [pid 3733] <... openat resumed>) = 4 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] close(11 [pid 3741] <... openat resumed>) = 3 [pid 3739] <... close resumed>) = 0 [pid 3733] ioctl(4, LOOP_SET_FD, 3 [pid 3730] close(4 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] write(3, "1000", 4 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] <... write resumed>) = 4 [pid 3733] <... ioctl resumed>) = 0 [pid 3739] memfd_create("syzkaller", 0 [pid 3727] close(12 [pid 3741] close(3 [pid 3739] <... memfd_create resumed>) = 3 [pid 3733] mkdir("./file0", 0777 [pid 3730] close(5 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] <... close resumed>) = 0 [pid 3739] ftruncate(3, 135266304 [pid 3733] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] close(13 [pid 3741] memfd_create("syzkaller", 0 [pid 3739] <... ftruncate resumed>) = 0 [pid 3733] mount("/dev/loop5", "./file0", "ext4", 0, ",errors=continue" [pid 3730] close(6 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] <... memfd_create resumed>) = 3 [pid 3739] 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 [pid 3741] ftruncate(3, 135266304 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] close(14 [pid 3741] <... ftruncate resumed>) = 0 [pid 3739] <... pwrite64 resumed>) = 102 [pid 3730] close(7 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] 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 [pid 3739] pwrite64(3, NULL, 0, 1248 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] close(15 [pid 3741] <... pwrite64 resumed>) = 102 [pid 3739] <... pwrite64 resumed>) = 0 [pid 3738] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3730] close(8 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] pwrite64(3, NULL, 0, 1248 [pid 3739] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3738] ioctl(4, LOOP_CLR_FD [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] close(16 [pid 3741] <... pwrite64 resumed>) = 0 [pid 3739] <... pwrite64 resumed>) = 9 [pid 3730] close(9 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3739] pwrite64(3, NULL, 0, 1600 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] close(17 [pid 3741] <... pwrite64 resumed>) = 9 [pid 3739] <... pwrite64 resumed>) = 0 [pid 3730] close(10 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] pwrite64(3, NULL, 0, 1600 [pid 3739] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] close(18 [pid 3741] <... pwrite64 resumed>) = 0 [pid 3739] <... pwrite64 resumed>) = 9 [pid 3730] close(11 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3739] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] close(19 [pid 3741] <... pwrite64 resumed>) = 9 [pid 3739] <... pwrite64 resumed>) = 8 [pid 3730] close(12 [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3739] pwrite64(3, NULL, 0, 26624 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] <... pwrite64 resumed>) = 8 [pid 3739] <... pwrite64 resumed>) = 0 [pid 3730] close(13 [ 47.329335][ T3726] EXT4-fs (loop4): get root inode failed [ 47.329349][ T3726] EXT4-fs (loop4): mount failed [ 47.349307][ T3727] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3727] close(20 [pid 3741] pwrite64(3, NULL, 0, 26624 [pid 3739] pwrite64(3, NULL, 0, 36864 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] <... pwrite64 resumed>) = 0 [pid 3739] <... pwrite64 resumed>) = 0 [pid 3730] close(14 [pid 3727] close(21 [pid 3741] pwrite64(3, NULL, 0, 36864 [pid 3739] pwrite64(3, NULL, 0, 4194300 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] <... pwrite64 resumed>) = 0 [pid 3739] <... pwrite64 resumed>) = 0 [pid 3730] close(15 [pid 3727] close(22 [pid 3741] pwrite64(3, NULL, 0, 4194300 [pid 3739] pwrite64(3, NULL, 0, 69888 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] <... pwrite64 resumed>) = 0 [pid 3741] pwrite64(3, NULL, 0, 69888 [pid 3739] <... pwrite64 resumed>) = 0 [pid 3730] close(16 [pid 3727] close(23 [pid 3741] <... pwrite64 resumed>) = 0 [pid 3741] pwrite64(3, NULL, 0, 71040) = 0 [pid 3741] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 3741] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3741] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3741] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3739] pwrite64(3, NULL, 0, 71040 [pid 3733] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] <... pwrite64 resumed>) = 0 [pid 3733] ioctl(4, LOOP_CLR_FD [pid 3730] close(17 [pid 3727] close(24 [pid 3739] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] <... openat resumed>) = 4 [pid 3730] close(18 [pid 3727] close(25 [pid 3739] ioctl(4, LOOP_SET_FD, 3 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] <... ioctl resumed>) = 0 [pid 3730] close(19 [pid 3727] close(26) = -1 EBADF (Bad file descriptor) [pid 3739] mkdir("./file0", 0777 [pid 3738] <... ioctl resumed>) = 0 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] close(4 [pid 3739] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3738] <... close resumed>) = 0 [pid 3730] close(20 [pid 3727] close(27 [pid 3738] close(3) = 0 [pid 3738] close(3) = -1 EBADF (Bad file descriptor) [pid 3738] close(4 [pid 3739] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] close(21 [pid 3727] close(28 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] close(22 [pid 3727] close(29 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] close(23 [pid 3738] close(5 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3727] exit_group(0 [pid 3730] close(24 [pid 3727] <... exit_group resumed>) = ? [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] close(6) = -1 EBADF (Bad file descriptor) [pid 3738] close(7) = -1 EBADF (Bad file descriptor) [pid 3738] close(8 [pid 3727] +++ exited with 0 +++ [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] close(9 [pid 3730] close(25 [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] close(10 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] close(26 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3738] close(11 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] close(27 [pid 3627] <... openat resumed>) = 3 [pid 3738] close(12 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] close(28 [pid 3738] close(13 [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] close(29 [pid 3738] close(14) = -1 EBADF (Bad file descriptor) [pid 3738] close(15 [pid 3733] <... ioctl resumed>) = 0 [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3730] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(3 [pid 3738] close(16 [pid 3733] close(4 [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = 0 [pid 3730] exit_group(0 [pid 3627] <... close resumed>) = 0 [pid 3738] close(17 [pid 3733] close(3 [pid 3730] <... exit_group resumed>) = ? [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = 0 [pid 3738] close(18) = -1 EBADF (Bad file descriptor) [pid 3738] close(19) = -1 EBADF (Bad file descriptor) [pid 3738] close(20) = -1 EBADF (Bad file descriptor) [pid 3738] close(21) = -1 EBADF (Bad file descriptor) [pid 3738] close(22) = -1 EBADF (Bad file descriptor) [pid 3730] +++ exited with 0 +++ [pid 3738] close(23 [pid 3733] close(3 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 8 [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 47.351219][ T3727] EXT4-fs (loop1): get root inode failed [ 47.351233][ T3727] EXT4-fs (loop1): mount failed [ 47.383830][ T3730] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 47.384250][ T3730] EXT4-fs (loop3): get root inode failed [pid 3738] close(24 [pid 3733] close(4./strace-static-x86_64: Process 3748 attached [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] close(25 [pid 3733] close(5 [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3738] close(26 [pid 3733] close(6 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... openat resumed>) = 3 [pid 3738] close(27 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3738] close(28 [pid 3629] close(3 [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... close resumed>) = 0 [pid 3738] close(29 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3739] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3738] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3738] exit_group(0 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 8 [pid 3738] <... exit_group resumed>) = ? [pid 3738] +++ exited with 0 +++ [pid 3741] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3739] ioctl(4, LOOP_CLR_FD [pid 3733] close(7 [pid 3748] <... prctl resumed>) = 0 [pid 3741] ioctl(4, LOOP_CLR_FD [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3750 attached [pid 3750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3750] setpgid(0, 0) = 0 [pid 3750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3750] write(3, "1000", 4) = 4 [pid 3750] close(3) = 0 [pid 3750] memfd_create("syzkaller", 0) = 3 [pid 3750] ftruncate(3, 135266304) = 0 [pid 3750] 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 3750] pwrite64(3, NULL, 0, 1248) = 0 [pid 3750] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3750] pwrite64(3, NULL, 0, 1600) = 0 [pid 3750] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3750] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3750] pwrite64(3, NULL, 0, 26624) = 0 [pid 3750] pwrite64(3, NULL, 0, 36864) = 0 [pid 3750] pwrite64(3, NULL, 0, 4194300) = 0 [pid 3750] pwrite64(3, NULL, 0, 69888) = 0 [pid 3750] pwrite64(3, NULL, 0, 71040) = 0 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3750] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 3748] setpgid(0, 0 [pid 3733] close(8 [pid 3750] ioctl(4, LOOP_SET_FD, 3 [pid 3748] <... setpgid resumed>) = 0 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] restart_syscall(<... resuming interrupted clone ...> [pid 3750] <... ioctl resumed>) = 0 [pid 3750] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3750] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [ 47.384264][ T3730] EXT4-fs (loop3): mount failed [ 47.394929][ T3738] loop0: detected capacity change from 0 to 264192 [ 47.440352][ T3733] loop5: detected capacity change from 0 to 264192 [ 47.446317][ T3738] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3733] close(9 [pid 3626] <... restart_syscall resumed>) = 0 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... openat resumed>) = 3 [pid 3733] close(10 [pid 3748] write(3, "1000", 4 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3748] <... write resumed>) = 4 [pid 3741] <... ioctl resumed>) = 0 [pid 3733] close(11 [pid 3626] <... openat resumed>) = 3 [pid 3741] close(4) = 0 [pid 3741] close(3) = 0 [pid 3741] close(3) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] close(3 [pid 3741] close(4 [pid 3739] <... ioctl resumed>) = 0 [pid 3733] close(12 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] close(5) = -1 EBADF (Bad file descriptor) [pid 3741] close(6) = -1 EBADF (Bad file descriptor) [pid 3741] close(7) = -1 EBADF (Bad file descriptor) [pid 3741] close(8) = -1 EBADF (Bad file descriptor) [pid 3748] <... close resumed>) = 0 [pid 3741] close(9 [pid 3739] close(4 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] close(10) = -1 EBADF (Bad file descriptor) [pid 3741] close(11) = -1 EBADF (Bad file descriptor) [pid 3741] close(12) = -1 EBADF (Bad file descriptor) [pid 3741] close(13) = -1 EBADF (Bad file descriptor) [pid 3748] memfd_create("syzkaller", 0 [pid 3741] close(14 [pid 3739] <... close resumed>) = 0 [ 47.446785][ T3738] EXT4-fs (loop0): get root inode failed [ 47.446799][ T3738] EXT4-fs (loop0): mount failed [ 47.470871][ T3733] EXT4-fs error (device loop5): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 47.471344][ T3733] EXT4-fs (loop5): get root inode failed [ 47.471358][ T3733] EXT4-fs (loop5): mount failed [ 47.473410][ T3741] loop2: detected capacity change from 0 to 264192 [pid 3733] close(13 [pid 3626] close(3 [pid 3748] <... memfd_create resumed>) = 3 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(3 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3741] close(15) = -1 EBADF (Bad file descriptor) [pid 3741] close(16) = -1 EBADF (Bad file descriptor) [pid 3741] close(17) = -1 EBADF (Bad file descriptor) [pid 3741] close(18) = -1 EBADF (Bad file descriptor) [pid 3741] close(19) = -1 EBADF (Bad file descriptor) [pid 3741] close(20) = -1 EBADF (Bad file descriptor) [pid 3741] close(21) = -1 EBADF (Bad file descriptor) [pid 3741] close(22) = -1 EBADF (Bad file descriptor) [pid 3741] close(23) = -1 EBADF (Bad file descriptor) [pid 3741] close(24) = -1 EBADF (Bad file descriptor) [pid 3741] close(25) = -1 EBADF (Bad file descriptor) [pid 3741] close(26) = -1 EBADF (Bad file descriptor) [pid 3741] close(27) = -1 EBADF (Bad file descriptor) [pid 3741] close(28) = -1 EBADF (Bad file descriptor) [pid 3741] close(29 [pid 3748] ftruncate(3, 135266304 [pid 3741] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... close resumed>) = 0 [pid 3748] <... ftruncate resumed>) = 0 [pid 3741] exit_group(0 [pid 3739] <... close resumed>) = 0 [pid 3733] close(14 [pid 3741] <... exit_group resumed>) = ? [pid 3748] 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 [pid 3741] +++ exited with 0 +++ [pid 3739] close(3 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3750] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3748] <... pwrite64 resumed>) = 102 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] close(15 [pid 3750] ioctl(4, LOOP_CLR_FD [pid 3748] pwrite64(3, NULL, 0, 1248 [pid 3750] <... ioctl resumed>) = 0 [pid 3748] <... pwrite64 resumed>) = 0 [pid 3750] close(4 [pid 3748] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3750] <... close resumed>) = 0 [pid 3748] <... pwrite64 resumed>) = 9 [pid 3750] close(3 [pid 3748] pwrite64(3, NULL, 0, 1600 [pid 3750] <... close resumed>) = 0 [pid 3748] <... pwrite64 resumed>) = 0 [pid 3750] close(3 [pid 3748] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... pwrite64 resumed>) = 9 [pid 3750] close(4 [pid 3748] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... pwrite64 resumed>) = 8 [pid 3750] close(5 [pid 3748] pwrite64(3, NULL, 0, 26624 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 47.498781][ T3739] loop4: detected capacity change from 0 to 264192 [ 47.532388][ T3741] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 47.532804][ T3741] EXT4-fs (loop2): get root inode failed [ 47.532818][ T3741] EXT4-fs (loop2): mount failed [ 47.534568][ T3739] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3748] <... pwrite64 resumed>) = 0 ./strace-static-x86_64: Process 3753 attached [pid 3750] close(6 [pid 3748] pwrite64(3, NULL, 0, 36864 [pid 3739] close(4 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... pwrite64 resumed>) = 0 [pid 3750] close(7 [pid 3748] pwrite64(3, NULL, 0, 4194300 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... pwrite64 resumed>) = 0 [pid 3750] close(8 [pid 3748] pwrite64(3, NULL, 0, 69888 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... pwrite64 resumed>) = 0 [pid 3750] close(9 [pid 3748] pwrite64(3, NULL, 0, 71040 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... pwrite64 resumed>) = 0 [pid 3750] close(10 [pid 3748] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... openat resumed>) = 4 [pid 3750] close(11 [pid 3748] ioctl(4, LOOP_SET_FD, 3 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... ioctl resumed>) = 0 [pid 3750] close(12 [pid 3748] mkdir("./file0", 0777 [pid 3753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] close(16 [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 8 [pid 3750] close(13 [pid 3748] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3753] <... prctl resumed>) = 0 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(5 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] close(14) = -1 EBADF (Bad file descriptor) [pid 3750] close(15) = -1 EBADF (Bad file descriptor) [pid 3753] setpgid(0, 0 [pid 3750] close(16 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] close(17 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] close(17) = -1 EBADF (Bad file descriptor) [pid 3750] close(18 [pid 3753] <... setpgid resumed>) = 0 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(6 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3750] close(19 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] close(18 [pid 3753] <... openat resumed>) = 3 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(7 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] write(3, "1000", 4 [pid 3750] close(20 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] close(19 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3753] <... write resumed>) = 4 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3739] close(8 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... openat resumed>) = 3 [pid 3753] close(3 [pid 3750] close(21 [pid 3748] ioctl(4, LOOP_CLR_FD [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] close(20 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3753] <... close resumed>) = 0 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(9 [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3753] memfd_create("syzkaller", 0 [pid 3750] close(22 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 47.535058][ T3739] EXT4-fs (loop4): get root inode failed [ 47.535072][ T3739] EXT4-fs (loop4): mount failed [ 47.572292][ T3750] loop3: detected capacity change from 0 to 264192 [ 47.643482][ T3750] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 47.644194][ T3750] EXT4-fs (loop3): get root inode failed [ 47.644208][ T3750] EXT4-fs (loop3): mount failed [ 47.698784][ T3748] loop1: detected capacity change from 0 to 264192 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3750] close(23) = -1 EBADF (Bad file descriptor) [pid 3750] close(24) = -1 EBADF (Bad file descriptor) [pid 3750] close(25) = -1 EBADF (Bad file descriptor) [pid 3750] close(26) = -1 EBADF (Bad file descriptor) [pid 3750] close(27) = -1 EBADF (Bad file descriptor) [pid 3750] close(28) = -1 EBADF (Bad file descriptor) [pid 3739] close(10 [pid 3733] close(21 [pid 3625] close(3 [pid 3753] <... memfd_create resumed>) = 3 [pid 3750] close(29 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 3753] ftruncate(3, 135266304 [pid 3750] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(11 [pid 3733] close(22 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3753] <... ftruncate resumed>) = 0 [pid 3750] exit_group(0 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] 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 [pid 3750] <... exit_group resumed>) = ? [pid 3739] close(12 [pid 3733] close(23 [pid 3753] <... pwrite64 resumed>) = 102 [pid 3750] +++ exited with 0 +++ [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 9 [pid 3753] pwrite64(3, NULL, 0, 1248 [pid 3739] close(13 [pid 3733] close(24 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 3756 attached [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3629] <... openat resumed>) = 3 [pid 3756] <... prctl resumed>) = 0 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3756] setpgid(0, 0 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3756] <... setpgid resumed>) = 0 [pid 3629] close(3 [pid 3756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3753] <... pwrite64 resumed>) = 0 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... close resumed>) = 0 [pid 3756] <... openat resumed>) = 3 [pid 3753] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3739] close(14 [pid 3733] close(25 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3756] write(3, "1000", 4 [pid 3753] <... pwrite64 resumed>) = 9 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... write resumed>) = 4 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 9 [pid 3756] close(3) = 0 [pid 3753] pwrite64(3, NULL, 0, 1600 [pid 3748] <... ioctl resumed>) = 0 [pid 3739] close(15 [pid 3733] close(26./strace-static-x86_64: Process 3757 attached [pid 3756] memfd_create("syzkaller", 0 [pid 3748] close(4 [pid 3757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3756] <... memfd_create resumed>) = 3 [pid 3748] <... close resumed>) = 0 [pid 3757] <... prctl resumed>) = 0 [pid 3756] ftruncate(3, 135266304 [pid 3748] close(3 [pid 3757] setpgid(0, 0 [pid 3756] <... ftruncate resumed>) = 0 [pid 3753] <... pwrite64 resumed>) = 0 [pid 3748] <... close resumed>) = 0 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3757] <... setpgid resumed>) = 0 [pid 3756] 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 [pid 3753] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3748] close(3 [pid 3739] close(16 [pid 3733] close(27 [pid 3757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3756] <... pwrite64 resumed>) = 102 [pid 3753] <... pwrite64 resumed>) = 9 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3757] <... openat resumed>) = 3 [pid 3756] pwrite64(3, NULL, 0, 1248 [pid 3753] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3748] close(4 [pid 3739] close(17 [pid 3733] close(28 [pid 3757] write(3, "1000", 4 [pid 3756] <... pwrite64 resumed>) = 0 [pid 3753] <... pwrite64 resumed>) = 8 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3757] <... write resumed>) = 4 [pid 3756] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3753] pwrite64(3, NULL, 0, 26624 [ 47.730096][ T3748] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 47.730550][ T3748] EXT4-fs (loop1): get root inode failed [ 47.730563][ T3748] EXT4-fs (loop1): mount failed [pid 3748] close(5 [pid 3739] close(18 [pid 3733] close(29 [pid 3757] close(3 [pid 3756] <... pwrite64 resumed>) = 9 [pid 3753] <... pwrite64 resumed>) = 0 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3757] <... close resumed>) = 0 [pid 3756] pwrite64(3, NULL, 0, 1600 [pid 3753] pwrite64(3, NULL, 0, 36864 [pid 3748] close(6 [pid 3739] close(19 [pid 3733] exit_group(0 [pid 3757] memfd_create("syzkaller", 0 [pid 3756] <... pwrite64 resumed>) = 0 [pid 3753] <... pwrite64 resumed>) = 0 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3733] <... exit_group resumed>) = ? [pid 3757] <... memfd_create resumed>) = 3 [pid 3756] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3753] pwrite64(3, NULL, 0, 4194300 [pid 3748] close(7 [pid 3739] close(20 [pid 3757] ftruncate(3, 135266304 [pid 3756] <... pwrite64 resumed>) = 9 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3757] <... ftruncate resumed>) = 0 [pid 3756] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3753] <... pwrite64 resumed>) = 0 [pid 3748] close(8 [pid 3733] +++ exited with 0 +++ [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3757] 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 [pid 3756] <... pwrite64 resumed>) = 8 [pid 3753] pwrite64(3, NULL, 0, 69888 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(21 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3757] <... pwrite64 resumed>) = 102 [pid 3756] pwrite64(3, NULL, 0, 26624 [pid 3753] <... pwrite64 resumed>) = 0 [pid 3748] close(9 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] restart_syscall(<... resuming interrupted clone ...> [pid 3757] pwrite64(3, NULL, 0, 1248 [pid 3756] <... pwrite64 resumed>) = 0 [pid 3753] pwrite64(3, NULL, 0, 71040 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(22 [pid 3628] <... restart_syscall resumed>) = 0 [pid 3757] <... pwrite64 resumed>) = 0 [pid 3756] pwrite64(3, NULL, 0, 36864 [pid 3753] <... pwrite64 resumed>) = 0 [pid 3748] close(10 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3757] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3756] <... pwrite64 resumed>) = 0 [pid 3753] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(23 [pid 3757] <... pwrite64 resumed>) = 9 [pid 3756] pwrite64(3, NULL, 0, 4194300 [pid 3753] <... openat resumed>) = 4 [pid 3748] close(11 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3757] pwrite64(3, NULL, 0, 1600 [pid 3756] <... pwrite64 resumed>) = 0 [pid 3753] ioctl(4, LOOP_SET_FD, 3 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(24 [pid 3628] <... openat resumed>) = 3 [pid 3757] <... pwrite64 resumed>) = 0 [pid 3756] pwrite64(3, NULL, 0, 69888 [pid 3753] <... ioctl resumed>) = 0 [pid 3748] close(12 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3757] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3756] <... pwrite64 resumed>) = 0 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3757] <... pwrite64 resumed>) = 9 [pid 3756] pwrite64(3, NULL, 0, 71040 [pid 3748] close(13 [pid 3628] close(3 [pid 3757] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3756] <... pwrite64 resumed>) = 0 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... close resumed>) = 0 [pid 3757] <... pwrite64 resumed>) = 8 [pid 3756] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3748] close(14 [pid 3739] close(25 [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3757] pwrite64(3, NULL, 0, 26624 [pid 3756] <... openat resumed>) = 4 [pid 3753] mkdir("./file0", 0777 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3757] <... pwrite64 resumed>) = 0 [pid 3756] ioctl(4, LOOP_SET_FD, 3 [pid 3753] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3748] close(15 [pid 3739] close(26 [pid 3628] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 8 [pid 3757] pwrite64(3, NULL, 0, 36864 [pid 3756] <... ioctl resumed>) = 0 [pid 3753] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3757] <... pwrite64 resumed>) = 0 [pid 3756] mkdir("./file0", 0777 [pid 3748] close(16 [pid 3739] close(27./strace-static-x86_64: Process 3758 attached [pid 3757] pwrite64(3, NULL, 0, 4194300 [pid 3756] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3757] <... pwrite64 resumed>) = 0 [pid 3756] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3748] close(17 [pid 3739] close(28 [pid 3758] <... prctl resumed>) = 0 [pid 3757] pwrite64(3, NULL, 0, 69888 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] setpgid(0, 0 [pid 3757] <... pwrite64 resumed>) = 0 [pid 3748] close(18 [pid 3758] <... setpgid resumed>) = 0 [pid 3757] pwrite64(3, NULL, 0, 71040 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3757] <... pwrite64 resumed>) = 0 [pid 3748] close(19 [pid 3758] <... openat resumed>) = 3 [pid 3757] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] write(3, "1000", 4 [pid 3757] <... openat resumed>) = 4 [pid 3748] close(20 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3757] ioctl(4, LOOP_SET_FD, 3 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] close(29 [pid 3757] <... ioctl resumed>) = 0 [pid 3748] close(21 [pid 3739] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 47.879164][ T3753] loop0: detected capacity change from 0 to 264192 [ 47.890765][ T3756] loop2: detected capacity change from 0 to 264192 [pid 3757] mkdir("./file0", 0777 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3739] exit_group(0 [pid 3758] <... write resumed>) = 4 [pid 3739] <... exit_group resumed>) = ? [pid 3739] +++ exited with 0 +++ [pid 3748] close(22 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3757] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3753] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3753] ioctl(4, LOOP_CLR_FD [pid 3624] <... openat resumed>) = 3 [pid 3753] <... ioctl resumed>) = 0 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3753] close(4 [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3753] <... close resumed>) = 0 [pid 3624] close(3 [pid 3758] close(3 [pid 3757] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3753] close(3 [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3758] <... close resumed>) = 0 [pid 3753] <... close resumed>) = 0 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3753] close(3 [pid 3748] close(23 [pid 3758] memfd_create("syzkaller", 0 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 8 [pid 3758] <... memfd_create resumed>) = 3 [pid 3753] close(4 [pid 3748] close(24 [pid 3758] ftruncate(3, 135266304 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] close(5./strace-static-x86_64: Process 3763 attached ) = -1 EBADF (Bad file descriptor) [pid 3763] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3753] close(6 [pid 3748] close(25 [pid 3763] <... prctl resumed>) = 0 [pid 3758] <... ftruncate resumed>) = 0 [pid 3756] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] setpgid(0, 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 [pid 3756] ioctl(4, LOOP_CLR_FD [pid 3753] close(7 [pid 3748] close(26 [pid 3763] <... setpgid resumed>) = 0 [pid 3758] <... pwrite64 resumed>) = 102 [pid 3756] <... ioctl resumed>) = 0 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3758] pwrite64(3, NULL, 0, 1248 [pid 3756] close(4 [pid 3753] close(8 [ 47.923503][ T3757] loop3: detected capacity change from 0 to 264192 [ 47.927011][ T3753] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3748] close(27 [pid 3763] <... openat resumed>) = 3 [pid 3758] <... pwrite64 resumed>) = 0 [pid 3756] <... close resumed>) = 0 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] write(3, "1000", 4 [pid 3758] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3756] close(3 [pid 3753] close(9 [pid 3748] close(28 [pid 3763] <... write resumed>) = 4 [pid 3758] <... pwrite64 resumed>) = 9 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] close(3 [pid 3753] close(10 [pid 3763] <... close resumed>) = 0 [pid 3758] pwrite64(3, NULL, 0, 1600 [pid 3757] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3756] <... close resumed>) = 0 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] memfd_create("syzkaller", 0 [pid 3758] <... pwrite64 resumed>) = 0 [pid 3757] ioctl(4, LOOP_CLR_FD [pid 3756] close(3 [pid 3753] close(11 [pid 3748] close(29 [pid 3763] <... memfd_create resumed>) = 3 [pid 3758] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] ftruncate(3, 135266304 [pid 3758] <... pwrite64 resumed>) = 9 [pid 3756] close(4 [pid 3753] close(12 [pid 3748] exit_group(0 [pid 3763] <... ftruncate resumed>) = 0 [pid 3758] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3748] <... exit_group resumed>) = ? [pid 3763] 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 [pid 3758] <... pwrite64 resumed>) = 8 [pid 3756] close(5 [pid 3753] close(13 [pid 3748] +++ exited with 0 +++ [pid 3763] <... pwrite64 resumed>) = 102 [pid 3758] pwrite64(3, NULL, 0, 26624 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3763] pwrite64(3, NULL, 0, 1248 [pid 3758] <... pwrite64 resumed>) = 0 [pid 3756] close(6 [pid 3753] close(14 [pid 3763] <... pwrite64 resumed>) = 0 [pid 3758] pwrite64(3, NULL, 0, 36864 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3758] <... pwrite64 resumed>) = 0 [pid 3756] close(7 [pid 3753] close(15 [pid 3763] <... pwrite64 resumed>) = 9 [pid 3758] pwrite64(3, NULL, 0, 4194300 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] pwrite64(3, NULL, 0, 1600 [pid 3758] <... pwrite64 resumed>) = 0 [pid 3756] close(8 [pid 3753] close(16 [pid 3763] <... pwrite64 resumed>) = 0 [pid 3758] pwrite64(3, NULL, 0, 69888 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3763] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3758] <... pwrite64 resumed>) = 0 [pid 3756] close(9 [pid 3753] close(17 [pid 3627] <... openat resumed>) = 3 [pid 3763] <... pwrite64 resumed>) = 9 [pid 3758] pwrite64(3, NULL, 0, 71040 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3763] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3758] <... pwrite64 resumed>) = 0 [pid 3757] <... ioctl resumed>) = 0 [pid 3756] close(10 [pid 3753] close(18 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3763] <... pwrite64 resumed>) = 8 [pid 3758] openat(AT_FDCWD, "/dev/loop5", O_RDWR [ 47.927672][ T3753] EXT4-fs (loop0): get root inode failed [ 47.927686][ T3753] EXT4-fs (loop0): mount failed [ 47.968044][ T3756] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3757] close(4 [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(3 [pid 3763] pwrite64(3, NULL, 0, 26624 [pid 3758] <... openat resumed>) = 4 [pid 3757] <... close resumed>) = 0 [pid 3756] close(11 [pid 3753] close(19 [pid 3627] <... close resumed>) = 0 [pid 3763] <... pwrite64 resumed>) = 0 [pid 3757] close(3 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3763] pwrite64(3, NULL, 0, 36864 [pid 3757] <... close resumed>) = 0 [pid 3753] close(20 [pid 3763] <... pwrite64 resumed>) = 0 [pid 3757] close(3 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 9 [pid 3763] pwrite64(3, NULL, 0, 4194300 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] close(21 [pid 3763] <... pwrite64 resumed>) = 0 [pid 3757] close(4 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] pwrite64(3, NULL, 0, 69888 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] close(22./strace-static-x86_64: Process 3766 attached [pid 3763] <... pwrite64 resumed>) = 0 [pid 3757] close(5 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3763] pwrite64(3, NULL, 0, 71040 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] close(23 [pid 3766] <... prctl resumed>) = 0 [pid 3763] <... pwrite64 resumed>) = 0 [pid 3757] close(6 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] setpgid(0, 0 [pid 3763] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3758] ioctl(4, LOOP_SET_FD, 3 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] close(24 [pid 3766] <... setpgid resumed>) = 0 [pid 3763] <... openat resumed>) = 4 [pid 3758] <... ioctl resumed>) = 0 [pid 3757] close(7 [pid 3756] close(12 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3763] ioctl(4, LOOP_SET_FD, 3 [pid 3758] mkdir("./file0", 0777 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] close(25 [pid 3766] <... openat resumed>) = 3 [pid 3763] <... ioctl resumed>) = 0 [pid 3758] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3757] close(8 [pid 3756] close(13 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] write(3, "1000", 4 [pid 3763] mkdir("./file0", 0777 [pid 3758] mount("/dev/loop5", "./file0", "ext4", 0, ",errors=continue" [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] close(26 [pid 3766] <... write resumed>) = 4 [pid 3763] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3757] close(9 [pid 3756] close(14 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(3 [pid 3763] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] close(27 [pid 3766] <... close resumed>) = 0 [pid 3757] close(10 [pid 3756] close(15 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] memfd_create("syzkaller", 0 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 47.968783][ T3756] EXT4-fs (loop2): get root inode failed [ 47.968797][ T3756] EXT4-fs (loop2): mount failed [pid 3753] close(28 [pid 3766] <... memfd_create resumed>) = 3 [pid 3757] close(11 [pid 3756] close(16 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] ftruncate(3, 135266304 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] close(29 [pid 3766] <... ftruncate resumed>) = 0 [pid 3757] close(12 [pid 3756] close(17 [pid 3753] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] 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 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] exit_group(0 [pid 3766] <... pwrite64 resumed>) = 102 [pid 3757] close(13 [pid 3756] close(18 [pid 3753] <... exit_group resumed>) = ? [pid 3766] pwrite64(3, NULL, 0, 1248 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3753] +++ exited with 0 +++ [pid 3766] <... pwrite64 resumed>) = 0 [pid 3757] close(14 [pid 3756] close(19 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3766] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] <... pwrite64 resumed>) = 9 [pid 3757] close(15 [pid 3756] close(20 [pid 3766] pwrite64(3, NULL, 0, 1600 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3766] <... pwrite64 resumed>) = 0 [pid 3757] close(16 [pid 3756] close(21 [pid 3626] <... openat resumed>) = 3 [pid 3766] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3766] <... pwrite64 resumed>) = 9 [pid 3757] close(17 [pid 3756] close(22 [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3766] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] close(3 [pid 3766] <... pwrite64 resumed>) = 8 [pid 3757] close(18 [pid 3756] close(23 [pid 3626] <... close resumed>) = 0 [pid 3766] pwrite64(3, NULL, 0, 26624 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3766] <... pwrite64 resumed>) = 0 [pid 3757] close(19 [pid 3756] close(24 [pid 3766] pwrite64(3, NULL, 0, 36864 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 9 [pid 3766] <... pwrite64 resumed>) = 0 [pid 3757] close(20 [pid 3756] close(25 [pid 3766] pwrite64(3, NULL, 0, 4194300 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] <... pwrite64 resumed>) = 0 [pid 3757] close(21 [pid 3756] close(26./strace-static-x86_64: Process 3769 attached [pid 3766] pwrite64(3, NULL, 0, 69888 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3766] <... pwrite64 resumed>) = 0 [pid 3757] close(22 [pid 3756] close(27 [pid 3769] <... prctl resumed>) = 0 [pid 3766] pwrite64(3, NULL, 0, 71040 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] setpgid(0, 0 [pid 3766] <... pwrite64 resumed>) = 0 [pid 3757] close(23 [pid 3756] close(28 [pid 3769] <... setpgid resumed>) = 0 [pid 3766] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3766] <... openat resumed>) = 4 [pid 3757] close(24 [pid 3756] close(29 [pid 3769] <... openat resumed>) = 3 [pid 3766] ioctl(4, LOOP_SET_FD, 3 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] write(3, "1000", 4 [pid 3766] <... ioctl resumed>) = 0 [pid 3757] close(25 [pid 3756] exit_group(0 [pid 3769] <... write resumed>) = 4 [pid 3766] mkdir("./file0", 0777 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3756] <... exit_group resumed>) = ? [pid 3769] close(3 [pid 3766] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3758] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3757] close(26 [pid 3756] +++ exited with 0 +++ [pid 3769] <... close resumed>) = 0 [pid 3766] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3758] ioctl(4, LOOP_CLR_FD [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] memfd_create("syzkaller", 0 [pid 3763] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3757] close(27 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3769] <... memfd_create resumed>) = 3 [pid 3763] ioctl(4, LOOP_CLR_FD [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 47.992676][ T3757] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 47.993109][ T3757] EXT4-fs (loop3): get root inode failed [ 47.993123][ T3757] EXT4-fs (loop3): mount failed [ 48.102602][ T3758] loop5: detected capacity change from 0 to 264192 [ 48.107049][ T3763] loop4: detected capacity change from 0 to 264192 [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3769] ftruncate(3, 135266304 [pid 3757] close(28 [pid 3625] <... restart_syscall resumed>) = 0 [pid 3769] <... ftruncate resumed>) = 0 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] 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 [pid 3757] close(29 [pid 3769] <... pwrite64 resumed>) = 102 [pid 3757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3769] pwrite64(3, NULL, 0, 1248 [pid 3757] exit_group(0 [pid 3625] <... openat resumed>) = 3 [pid 3769] <... pwrite64 resumed>) = 0 [pid 3757] <... exit_group resumed>) = ? [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3769] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3757] +++ exited with 0 +++ [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3769] <... pwrite64 resumed>) = 9 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] close(3 [pid 3769] pwrite64(3, NULL, 0, 1600 [pid 3629] restart_syscall(<... resuming interrupted clone ...> [pid 3625] <... close resumed>) = 0 [pid 3769] <... pwrite64 resumed>) = 0 [pid 3629] <... restart_syscall resumed>) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3769] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 10 [pid 3769] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3769] <... pwrite64 resumed>) = 8 [pid 3629] <... openat resumed>) = 3 [pid 3769] pwrite64(3, NULL, 0, 26624 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3769] <... pwrite64 resumed>) = 0 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3769] pwrite64(3, NULL, 0, 36864 [pid 3629] close(3 [pid 3769] <... pwrite64 resumed>) = 0 [pid 3629] <... close resumed>) = 0 [pid 3769] pwrite64(3, NULL, 0, 4194300 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3769] <... pwrite64 resumed>) = 0 [pid 3758] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 3773 attached [pid 3769] pwrite64(3, NULL, 0, 69888 [pid 3766] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3758] close(4 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 10 [pid 3773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3769] <... pwrite64 resumed>) = 0 [pid 3766] ioctl(4, LOOP_CLR_FD [pid 3763] <... ioctl resumed>) = 0 [pid 3758] <... close resumed>) = 0 ./strace-static-x86_64: Process 3775 attached [pid 3769] pwrite64(3, NULL, 0, 71040 [pid 3758] close(3 [pid 3775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3769] <... pwrite64 resumed>) = 0 [pid 3758] <... close resumed>) = 0 [pid 3775] <... prctl resumed>) = 0 [pid 3769] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3758] close(3 [pid 3775] setpgid(0, 0 [pid 3769] <... openat resumed>) = 4 [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] close(4 [pid 3773] <... prctl resumed>) = 0 [pid 3775] <... setpgid resumed>) = 0 [pid 3773] setpgid(0, 0 [pid 3769] ioctl(4, LOOP_SET_FD, 3 [pid 3763] <... close resumed>) = 0 [pid 3758] close(4 [pid 3775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3773] <... setpgid resumed>) = 0 [pid 3769] <... ioctl resumed>) = 0 [pid 3763] close(3 [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... openat resumed>) = 3 [pid 3773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3769] mkdir("./file0", 0777 [pid 3763] <... close resumed>) = 0 [pid 3758] close(5 [pid 3775] write(3, "1000", 4 [pid 3773] <... openat resumed>) = 3 [pid 3769] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3763] close(3 [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... write resumed>) = 4 [ 48.175619][ T3766] loop1: detected capacity change from 0 to 264192 [ 48.178915][ T3758] EXT4-fs error (device loop5): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3773] write(3, "1000", 4 [pid 3769] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3758] close(6 [pid 3775] close(3 [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... close resumed>) = 0 [pid 3758] close(7 [pid 3775] memfd_create("syzkaller", 0 [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... write resumed>) = 4 [pid 3775] <... memfd_create resumed>) = 3 [pid 3773] close(3 [pid 3763] close(4 [pid 3758] close(8 [pid 3775] ftruncate(3, 135266304 [pid 3773] <... close resumed>) = 0 [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... ftruncate resumed>) = 0 [pid 3773] memfd_create("syzkaller", 0 [pid 3763] close(5 [pid 3758] close(9 [pid 3775] 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 [pid 3773] <... memfd_create resumed>) = 3 [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... pwrite64 resumed>) = 102 [pid 3758] close(10 [pid 3775] pwrite64(3, NULL, 0, 1248 [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... pwrite64 resumed>) = 0 [pid 3758] close(11 [pid 3775] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... pwrite64 resumed>) = 9 [pid 3773] ftruncate(3, 135266304 [pid 3763] close(6 [pid 3758] close(12 [pid 3775] pwrite64(3, NULL, 0, 1600 [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... pwrite64 resumed>) = 0 [pid 3758] close(13 [pid 3775] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3773] <... ftruncate resumed>) = 0 [pid 3766] <... ioctl resumed>) = 0 [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... pwrite64 resumed>) = 9 [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 [pid 3766] close(4 [pid 3763] close(7 [pid 3758] close(14 [pid 3775] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3773] <... pwrite64 resumed>) = 102 [pid 3766] <... close resumed>) = 0 [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... pwrite64 resumed>) = 8 [pid 3773] pwrite64(3, NULL, 0, 1248 [pid 3766] close(3 [pid 3763] close(8 [pid 3758] close(15 [pid 3775] pwrite64(3, NULL, 0, 26624 [pid 3773] <... pwrite64 resumed>) = 0 [pid 3766] <... close resumed>) = 0 [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... pwrite64 resumed>) = 0 [pid 3773] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3766] close(3 [pid 3763] close(9 [pid 3758] close(16 [pid 3775] pwrite64(3, NULL, 0, 36864 [pid 3773] <... pwrite64 resumed>) = 9 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... pwrite64 resumed>) = 0 [pid 3766] close(4 [pid 3758] close(17 [pid 3775] pwrite64(3, NULL, 0, 4194300 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... pwrite64 resumed>) = 0 [pid 3766] close(5 [pid 3758] close(18 [pid 3775] pwrite64(3, NULL, 0, 69888 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... pwrite64 resumed>) = 0 [pid 3766] close(6 [pid 3758] close(19 [pid 3775] pwrite64(3, NULL, 0, 71040 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... pwrite64 resumed>) = 0 [pid 3766] close(7 [pid 3758] close(20 [pid 3775] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... openat resumed>) = 4 [pid 3773] pwrite64(3, NULL, 0, 1600 [pid 3766] close(8 [pid 3763] close(10 [pid 3758] close(21 [pid 3775] ioctl(4, LOOP_SET_FD, 3 [pid 3773] <... pwrite64 resumed>) = 0 [pid 3769] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... ioctl resumed>) = 0 [pid 3773] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3769] ioctl(4, LOOP_CLR_FD [pid 3766] close(9 [pid 3763] close(11 [pid 3758] close(22 [pid 3775] mkdir("./file0", 0777 [pid 3773] <... pwrite64 resumed>) = 9 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3773] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3766] close(10 [pid 3763] close(12 [pid 3758] close(23 [pid 3775] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3773] <... pwrite64 resumed>) = 8 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] pwrite64(3, NULL, 0, 26624 [pid 3766] close(11 [pid 3763] close(13 [pid 3758] close(24 [pid 3773] <... pwrite64 resumed>) = 0 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] pwrite64(3, NULL, 0, 36864 [pid 3766] close(12 [pid 3763] close(14 [pid 3758] close(25 [pid 3773] <... pwrite64 resumed>) = 0 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 48.179358][ T3758] EXT4-fs (loop5): get root inode failed [ 48.179372][ T3758] EXT4-fs (loop5): mount failed [ 48.184878][ T3763] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3773] pwrite64(3, NULL, 0, 4194300 [pid 3766] close(13 [pid 3763] close(15 [pid 3758] close(26 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(14 [pid 3758] close(27 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(15 [pid 3758] close(28 [pid 3773] <... pwrite64 resumed>) = 0 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] pwrite64(3, NULL, 0, 69888 [pid 3766] close(16 [pid 3763] close(16 [pid 3758] close(29 [pid 3773] <... pwrite64 resumed>) = 0 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] pwrite64(3, NULL, 0, 71040 [pid 3769] <... ioctl resumed>) = 0 [pid 3766] close(17 [pid 3763] close(17 [pid 3758] exit_group(0 [pid 3769] close(4 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3758] <... exit_group resumed>) = ? [pid 3769] <... close resumed>) = 0 [pid 3766] close(18 [pid 3758] +++ exited with 0 +++ [pid 3773] <... pwrite64 resumed>) = 0 [pid 3769] close(3 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3769] <... close resumed>) = 0 [pid 3766] close(19 [pid 3763] close(18 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3775] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3773] <... openat resumed>) = 4 [pid 3769] close(3 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] restart_syscall(<... resuming interrupted clone ...> [pid 3775] ioctl(4, LOOP_CLR_FD [pid 3773] ioctl(4, LOOP_SET_FD, 3 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(20 [pid 3763] close(19 [pid 3628] <... restart_syscall resumed>) = 0 [pid 3775] <... ioctl resumed>) = 0 [pid 3773] <... ioctl resumed>) = 0 [pid 3769] close(4 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3775] close(4 [pid 3773] mkdir("./file0", 0777 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(21 [pid 3763] close(20 [pid 3775] <... close resumed>) = 0 [pid 3773] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3769] close(5 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3775] close(3 [pid 3773] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(22 [pid 3763] close(21 [pid 3628] <... openat resumed>) = 3 [pid 3775] <... close resumed>) = 0 [pid 3769] close(6 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3775] close(3 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(23 [pid 3763] close(22 [pid 3628] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(7 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(3 [pid 3775] close(4 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(24 [pid 3763] close(23 [pid 3628] <... close resumed>) = 0 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(8 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3775] close(5 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(25 [pid 3763] close(24 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(9 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 9 [pid 3775] close(6 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(26 [ 48.185275][ T3763] EXT4-fs (loop4): get root inode failed [ 48.185287][ T3763] EXT4-fs (loop4): mount failed [ 48.224246][ T3766] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3763] close(25 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(10 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3781 attached [pid 3775] close(7 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(27 [pid 3763] close(26 [pid 3781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(11 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3781] <... prctl resumed>) = 0 [pid 3775] close(8 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(28 [pid 3763] close(27 [pid 3781] setpgid(0, 0 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(12 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3781] <... setpgid resumed>) = 0 [pid 3775] close(9 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] close(29 [pid 3763] close(28 [pid 3781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(13 [pid 3766] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3781] <... openat resumed>) = 3 [pid 3775] close(10 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] exit_group(0 [pid 3763] close(29 [pid 3781] write(3, "1000", 4 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(14 [pid 3766] <... exit_group resumed>) = ? [pid 3781] <... write resumed>) = 4 [pid 3775] close(11 [pid 3773] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3766] +++ exited with 0 +++ [pid 3763] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3781] close(3 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] ioctl(4, LOOP_CLR_FD [pid 3769] close(15 [pid 3763] exit_group(0 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3781] <... close resumed>) = 0 [pid 3775] close(12 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] <... exit_group resumed>) = ? [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 3781] memfd_create("syzkaller", 0 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(16 [pid 3627] <... restart_syscall resumed>) = 0 [pid 3781] <... memfd_create resumed>) = 3 [pid 3775] close(13 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3763] +++ exited with 0 +++ [pid 3781] ftruncate(3, 135266304 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(17 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3781] <... ftruncate resumed>) = 0 [pid 3775] close(14 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3624] restart_syscall(<... resuming interrupted clone ...> [pid 3781] 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 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(18 [pid 3627] <... openat resumed>) = 3 [pid 3624] <... restart_syscall resumed>) = 0 [pid 3781] <... pwrite64 resumed>) = 102 [pid 3775] close(15 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3781] pwrite64(3, NULL, 0, 1248 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(19 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3781] <... pwrite64 resumed>) = 0 [pid 3775] close(16 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(3 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3781] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(20 [pid 3627] <... close resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3781] <... pwrite64 resumed>) = 9 [pid 3775] close(17 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3781] pwrite64(3, NULL, 0, 1600 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(21 [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3781] <... pwrite64 resumed>) = 0 [pid 3775] close(18 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 10 [pid 3624] close(3 [pid 3781] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(22 [pid 3624] <... close resumed>) = 0 [pid 3781] <... pwrite64 resumed>) = 9 [pid 3775] close(19 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3781] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(23 [pid 3781] <... pwrite64 resumed>) = 8 [pid 3775] close(20 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 9 [pid 3781] pwrite64(3, NULL, 0, 26624 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(24 [pid 3781] <... pwrite64 resumed>) = 0 [pid 3775] close(21 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3781] pwrite64(3, NULL, 0, 36864 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... ioctl resumed>) = 0 [pid 3769] close(25./strace-static-x86_64: Process 3784 attached [pid 3781] <... pwrite64 resumed>) = 0 [pid 3775] close(22 [pid 3773] close(4 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3783 attached [pid 3784] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3781] pwrite64(3, NULL, 0, 4194300 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... close resumed>) = 0 [pid 3769] close(26 [pid 3784] <... prctl resumed>) = 0 [pid 3783] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3781] <... pwrite64 resumed>) = 0 [pid 3775] close(23 [pid 3773] close(3 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] setpgid(0, 0 [pid 3783] <... prctl resumed>) = 0 [pid 3781] pwrite64(3, NULL, 0, 69888 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... close resumed>) = 0 [pid 3769] close(27 [pid 3784] <... setpgid resumed>) = 0 [pid 3783] setpgid(0, 0 [pid 3781] <... pwrite64 resumed>) = 0 [pid 3775] close(24 [pid 3773] close(3 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3783] <... setpgid resumed>) = 0 [pid 3781] pwrite64(3, NULL, 0, 71040 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(28 [pid 3784] <... openat resumed>) = 3 [pid 3783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3781] <... pwrite64 resumed>) = 0 [pid 3775] close(25 [pid 3773] close(4 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 48.224770][ T3766] EXT4-fs (loop1): get root inode failed [ 48.224783][ T3766] EXT4-fs (loop1): mount failed [ 48.241200][ T3769] loop0: detected capacity change from 0 to 264192 [pid 3784] write(3, "1000", 4 [pid 3783] <... openat resumed>) = 3 [pid 3781] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] close(29 [pid 3784] <... write resumed>) = 4 [pid 3783] write(3, "1000", 4 [pid 3781] <... openat resumed>) = 4 [pid 3775] close(26 [pid 3773] close(5 [pid 3769] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] close(3 [pid 3783] <... write resumed>) = 4 [pid 3781] ioctl(4, LOOP_SET_FD, 3 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] exit_group(0 [pid 3784] <... close resumed>) = 0 [pid 3783] close(3 [pid 3781] <... ioctl resumed>) = 0 [pid 3775] close(27 [pid 3773] close(6 [pid 3769] <... exit_group resumed>) = ? [pid 3784] memfd_create("syzkaller", 0 [pid 3783] <... close resumed>) = 0 [pid 3781] mkdir("./file0", 0777 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3769] +++ exited with 0 +++ [pid 3784] <... memfd_create resumed>) = 3 [pid 3783] memfd_create("syzkaller", 0 [pid 3781] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3775] close(28 [pid 3773] close(7 [pid 3784] ftruncate(3, 135266304 [pid 3783] <... memfd_create resumed>) = 3 [pid 3781] mount("/dev/loop5", "./file0", "ext4", 0, ",errors=continue" [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3784] <... ftruncate resumed>) = 0 [pid 3783] ftruncate(3, 135266304 [pid 3775] close(29 [pid 3773] close(8 [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3784] 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 [pid 3783] <... ftruncate resumed>) = 0 [pid 3775] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3784] <... pwrite64 resumed>) = 102 [pid 3783] 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 [pid 3775] exit_group(0 [pid 3773] close(9 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3784] pwrite64(3, NULL, 0, 1248 [pid 3783] <... pwrite64 resumed>) = 102 [pid 3775] <... exit_group resumed>) = ? [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3784] <... pwrite64 resumed>) = 0 [pid 3783] pwrite64(3, NULL, 0, 1248 [pid 3775] +++ exited with 0 +++ [pid 3773] close(10 [pid 3626] close(3 [pid 3784] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3783] <... pwrite64 resumed>) = 0 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3626] <... close resumed>) = 0 [pid 3784] <... pwrite64 resumed>) = 9 [pid 3783] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3773] close(11 [pid 3629] restart_syscall(<... resuming interrupted clone ...> [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3784] pwrite64(3, NULL, 0, 1600 [pid 3783] <... pwrite64 resumed>) = 9 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... restart_syscall resumed>) = 0 [pid 3784] <... pwrite64 resumed>) = 0 [pid 3783] pwrite64(3, NULL, 0, 1600 [pid 3773] close(12 [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 10 [pid 3784] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3783] <... pwrite64 resumed>) = 0 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] <... pwrite64 resumed>) = 9 [pid 3783] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3773] close(13 [ 48.295347][ T3769] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 3786 attached [pid 3784] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3783] <... pwrite64 resumed>) = 9 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... openat resumed>) = 3 [pid 3786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3784] <... pwrite64 resumed>) = 8 [pid 3783] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3773] close(14 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3786] <... prctl resumed>) = 0 [pid 3784] pwrite64(3, NULL, 0, 26624 [pid 3783] <... pwrite64 resumed>) = 8 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3786] setpgid(0, 0 [pid 3784] <... pwrite64 resumed>) = 0 [pid 3783] pwrite64(3, NULL, 0, 26624 [pid 3773] close(15 [pid 3629] close(3 [pid 3786] <... setpgid resumed>) = 0 [pid 3784] pwrite64(3, NULL, 0, 36864 [pid 3783] <... pwrite64 resumed>) = 0 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... close resumed>) = 0 [pid 3786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3784] <... pwrite64 resumed>) = 0 [pid 3781] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3783] pwrite64(3, NULL, 0, 36864 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3773] close(16 [pid 3786] <... openat resumed>) = 3 [pid 3784] pwrite64(3, NULL, 0, 4194300 [pid 3781] ioctl(4, LOOP_CLR_FD [pid 3786] write(3, "1000", 4 [pid 3784] <... pwrite64 resumed>) = 0 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 11 [pid 3786] <... write resumed>) = 4 [pid 3784] pwrite64(3, NULL, 0, 69888 [pid 3786] close(3 [pid 3784] <... pwrite64 resumed>) = 0 [pid 3786] <... close resumed>) = 0 [pid 3784] pwrite64(3, NULL, 0, 71040 [pid 3783] <... pwrite64 resumed>) = 0 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3788 attached [pid 3786] memfd_create("syzkaller", 0 [pid 3784] <... pwrite64 resumed>) = 0 [pid 3783] pwrite64(3, NULL, 0, 4194300 [pid 3773] close(17 [pid 3786] <... memfd_create resumed>) = 3 [pid 3784] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3786] ftruncate(3, 135266304 [pid 3784] <... openat resumed>) = 4 [pid 3786] <... ftruncate resumed>) = 0 [pid 3784] ioctl(4, LOOP_SET_FD, 3 [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 [pid 3784] <... ioctl resumed>) = 0 [pid 3788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3786] <... pwrite64 resumed>) = 102 [pid 3784] mkdir("./file0", 0777 [pid 3783] <... pwrite64 resumed>) = 0 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... prctl resumed>) = 0 [pid 3786] pwrite64(3, NULL, 0, 1248 [pid 3784] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3788] setpgid(0, 0 [pid 3786] <... pwrite64 resumed>) = 0 [pid 3784] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3788] <... setpgid resumed>) = 0 [pid 3786] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3786] <... pwrite64 resumed>) = 9 [pid 3788] <... openat resumed>) = 3 [pid 3786] pwrite64(3, NULL, 0, 1600 [pid 3788] write(3, "1000", 4 [pid 3786] <... pwrite64 resumed>) = 0 [pid 3788] <... write resumed>) = 4 [ 48.296236][ T3769] EXT4-fs (loop0): get root inode failed [ 48.296249][ T3769] EXT4-fs (loop0): mount failed [ 48.301874][ T3775] loop3: detected capacity change from 0 to 264192 [pid 3786] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3788] close(3 [pid 3786] <... pwrite64 resumed>) = 9 [pid 3788] <... close resumed>) = 0 [pid 3786] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3788] memfd_create("syzkaller", 0 [pid 3786] <... pwrite64 resumed>) = 8 [pid 3783] pwrite64(3, NULL, 0, 69888 [pid 3781] <... ioctl resumed>) = 0 [pid 3773] close(18 [pid 3788] <... memfd_create resumed>) = 3 [pid 3786] pwrite64(3, NULL, 0, 26624 [pid 3781] close(4 [pid 3788] ftruncate(3, 135266304 [pid 3786] <... pwrite64 resumed>) = 0 [pid 3781] <... close resumed>) = 0 [pid 3788] <... ftruncate resumed>) = 0 [pid 3786] pwrite64(3, NULL, 0, 36864 [pid 3783] <... pwrite64 resumed>) = 0 [pid 3781] close(3 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] 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 [pid 3786] <... pwrite64 resumed>) = 0 [pid 3783] pwrite64(3, NULL, 0, 71040 [pid 3781] <... close resumed>) = 0 [pid 3773] close(19 [pid 3788] <... pwrite64 resumed>) = 102 [pid 3786] pwrite64(3, NULL, 0, 4194300 [pid 3783] <... pwrite64 resumed>) = 0 [pid 3781] close(3 [pid 3788] pwrite64(3, NULL, 0, 1248 [pid 3786] <... pwrite64 resumed>) = 0 [pid 3783] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... pwrite64 resumed>) = 0 [pid 3786] pwrite64(3, NULL, 0, 69888 [pid 3783] <... openat resumed>) = 4 [pid 3781] close(4 [pid 3773] close(20 [pid 3788] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3786] <... pwrite64 resumed>) = 0 [pid 3783] ioctl(4, LOOP_SET_FD, 3 [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... pwrite64 resumed>) = 9 [pid 3786] pwrite64(3, NULL, 0, 71040 [pid 3783] <... ioctl resumed>) = 0 [pid 3781] close(5 [pid 3773] close(21 [pid 3788] pwrite64(3, NULL, 0, 1600 [pid 3786] <... pwrite64 resumed>) = 0 [pid 3783] mkdir("./file0", 0777 [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... pwrite64 resumed>) = 0 [ 48.367304][ T3775] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3786] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3783] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3781] close(6 [pid 3788] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3786] <... openat resumed>) = 4 [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... pwrite64 resumed>) = 9 [pid 3786] ioctl(4, LOOP_SET_FD, 3 [pid 3781] close(7 [pid 3788] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3786] <... ioctl resumed>) = 0 [pid 3783] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(22 [pid 3788] <... pwrite64 resumed>) = 8 [pid 3786] mkdir("./file0", 0777 [pid 3781] close(8 [pid 3788] pwrite64(3, NULL, 0, 26624 [pid 3786] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... pwrite64 resumed>) = 0 [pid 3786] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3781] close(9 [pid 3788] pwrite64(3, NULL, 0, 36864 [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... pwrite64 resumed>) = 0 [pid 3781] close(10 [pid 3788] pwrite64(3, NULL, 0, 4194300 [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... pwrite64 resumed>) = 0 [pid 3781] close(11 [pid 3788] pwrite64(3, NULL, 0, 69888 [pid 3784] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(23 [pid 3788] <... pwrite64 resumed>) = 0 [pid 3784] ioctl(4, LOOP_CLR_FD [pid 3781] close(12 [pid 3788] pwrite64(3, NULL, 0, 71040 [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... pwrite64 resumed>) = 0 [pid 3781] close(13 [pid 3788] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... openat resumed>) = 4 [pid 3781] close(14 [pid 3788] ioctl(4, LOOP_SET_FD, 3 [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... ioctl resumed>) = 0 [pid 3781] close(15 [pid 3788] mkdir("./file0", 0777 [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3781] close(16 [pid 3788] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3781] close(17) = -1 EBADF (Bad file descriptor) [pid 3781] close(18) = -1 EBADF (Bad file descriptor) [pid 3781] close(19 [pid 3773] close(24 [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 48.367725][ T3775] EXT4-fs (loop3): get root inode failed [ 48.367738][ T3775] EXT4-fs (loop3): mount failed [ 48.375754][ T3773] loop2: detected capacity change from 0 to 264192 [ 48.412017][ T3773] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 48.412578][ T3773] EXT4-fs (loop2): get root inode failed [ 48.412592][ T3773] EXT4-fs (loop2): mount failed [pid 3781] close(20) = -1 EBADF (Bad file descriptor) [pid 3781] close(21) = -1 EBADF (Bad file descriptor) [pid 3781] close(22) = -1 EBADF (Bad file descriptor) [pid 3781] close(23 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(25 [pid 3783] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3781] close(24 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] ioctl(4, LOOP_CLR_FD [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(26 [pid 3781] close(25) = -1 EBADF (Bad file descriptor) [pid 3786] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3781] close(26 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3788] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3786] ioctl(4, LOOP_CLR_FD [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] close(27 [pid 3788] ioctl(4, LOOP_CLR_FD [pid 3781] close(27) = -1 EBADF (Bad file descriptor) [pid 3784] <... ioctl resumed>) = 0 [pid 3781] close(28) = -1 EBADF (Bad file descriptor) [pid 3784] close(4 [pid 3781] close(29 [pid 3784] <... close resumed>) = 0 [pid 3781] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] close(3 [pid 3781] exit_group(0 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] <... close resumed>) = 0 [pid 3781] <... exit_group resumed>) = ? [pid 3784] close(3 [pid 3781] +++ exited with 0 +++ [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] close(4 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] restart_syscall(<... resuming interrupted clone ...> [pid 3784] close(5 [pid 3628] <... restart_syscall resumed>) = 0 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] close(6) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3784] close(7 [pid 3628] <... openat resumed>) = 3 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3784] close(8 [pid 3773] close(28 [pid 3628] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 48.506041][ T3781] loop5: detected capacity change from 0 to 264192 [ 48.553704][ T3781] EXT4-fs error (device loop5): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 48.554144][ T3781] EXT4-fs (loop5): get root inode failed [ 48.554158][ T3781] EXT4-fs (loop5): mount failed [ 48.578167][ T3784] loop4: detected capacity change from 0 to 264192 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(3 [pid 3784] close(9 [pid 3628] <... close resumed>) = 0 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3784] close(10) = -1 EBADF (Bad file descriptor) [pid 3773] close(29 [pid 3628] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 10 [pid 3784] close(11 [pid 3783] <... ioctl resumed>) = 0 [pid 3773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(4 [pid 3773] exit_group(0 [pid 3784] close(12 [pid 3783] <... close resumed>) = 0 [pid 3773] <... exit_group resumed>) = ? [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] close(13./strace-static-x86_64: Process 3797 attached ) = -1 EBADF (Bad file descriptor) [pid 3783] close(3 [pid 3797] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3784] close(14 [pid 3783] <... close resumed>) = 0 [pid 3773] +++ exited with 0 +++ [pid 3797] <... prctl resumed>) = 0 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(3 [pid 3797] setpgid(0, 0 [pid 3784] close(15 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3797] <... setpgid resumed>) = 0 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(4 [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3784] close(16 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... restart_syscall resumed>) = 0 [pid 3797] <... openat resumed>) = 3 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(5 [pid 3797] write(3, "1000", 4 [pid 3784] close(17 [pid 3797] <... write resumed>) = 4 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3797] close(3 [pid 3784] close(18 [pid 3625] <... openat resumed>) = 3 [pid 3797] <... close resumed>) = 0 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3797] memfd_create("syzkaller", 0 [pid 3786] <... ioctl resumed>) = 0 [pid 3784] close(19 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3797] <... memfd_create resumed>) = 3 [pid 3788] <... ioctl resumed>) = 0 [pid 3786] close(4 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] close(3 [pid 3797] ftruncate(3, 135266304 [pid 3788] close(4 [pid 3786] <... close resumed>) = 0 [pid 3784] close(20 [pid 3625] <... close resumed>) = 0 [pid 3797] <... ftruncate resumed>) = 0 [pid 3788] <... close resumed>) = 0 [pid 3786] close(3 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3797] 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 [pid 3788] close(3 [pid 3786] <... close resumed>) = 0 [pid 3784] close(21 [pid 3797] <... pwrite64 resumed>) = 102 [pid 3788] <... close resumed>) = 0 [pid 3786] close(3 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(6 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 11 [pid 3797] pwrite64(3, NULL, 0, 1248 [pid 3788] close(3 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] close(22 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] <... pwrite64 resumed>) = 0 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(4 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(7 [pid 3797] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [ 48.612308][ T3783] loop1: detected capacity change from 0 to 264192 [ 48.620749][ T3786] loop0: detected capacity change from 0 to 264192 [ 48.630850][ T3784] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3788] close(4 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] close(23 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3798 attached [pid 3797] <... pwrite64 resumed>) = 9 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(5 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3797] pwrite64(3, NULL, 0, 1600 [pid 3788] close(5 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] close(24 [pid 3798] <... prctl resumed>) = 0 [pid 3797] <... pwrite64 resumed>) = 0 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(6 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(8 [pid 3798] setpgid(0, 0 [pid 3797] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3788] close(6 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] close(25 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] <... setpgid resumed>) = 0 [pid 3797] <... pwrite64 resumed>) = 9 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(7 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3797] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3788] close(7 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] close(26 [pid 3798] <... openat resumed>) = 3 [pid 3797] <... pwrite64 resumed>) = 8 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(8 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(9 [pid 3798] write(3, "1000", 4 [pid 3797] pwrite64(3, NULL, 0, 26624 [pid 3788] close(8 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] close(27 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] <... write resumed>) = 4 [pid 3797] <... pwrite64 resumed>) = 0 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(9 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(10 [pid 3798] close(3 [pid 3797] pwrite64(3, NULL, 0, 36864 [pid 3788] close(9 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] close(28 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] <... close resumed>) = 0 [pid 3797] <... pwrite64 resumed>) = 0 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(10 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(11 [pid 3798] memfd_create("syzkaller", 0 [pid 3797] pwrite64(3, NULL, 0, 4194300 [pid 3788] close(10 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] close(29 [pid 3798] <... memfd_create resumed>) = 3 [pid 3797] <... pwrite64 resumed>) = 0 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(11 [pid 3784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] ftruncate(3, 135266304 [pid 3797] pwrite64(3, NULL, 0, 69888 [pid 3788] close(11 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] exit_group(0 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] <... ftruncate resumed>) = 0 [pid 3797] <... pwrite64 resumed>) = 0 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(12 [pid 3784] <... exit_group resumed>) = ? [pid 3783] close(12 [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 [pid 3797] pwrite64(3, NULL, 0, 71040 [pid 3788] close(12 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3784] +++ exited with 0 +++ [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] <... pwrite64 resumed>) = 102 [pid 3797] <... pwrite64 resumed>) = 0 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(13 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3798] pwrite64(3, NULL, 0, 1248 [pid 3797] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3788] close(13 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] <... pwrite64 resumed>) = 0 [pid 3797] <... openat resumed>) = 4 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(14 [pid 3798] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3797] ioctl(4, LOOP_SET_FD, 3 [pid 3788] close(14 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(13 [pid 3798] <... pwrite64 resumed>) = 9 [pid 3797] <... ioctl resumed>) = 0 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(15 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] pwrite64(3, NULL, 0, 1600 [pid 3797] mkdir("./file0", 0777 [pid 3788] close(15 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(14 [pid 3798] <... pwrite64 resumed>) = 0 [pid 3797] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(16 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3798] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3797] mount("/dev/loop5", "./file0", "ext4", 0, ",errors=continue" [ 48.631280][ T3784] EXT4-fs (loop4): get root inode failed [ 48.631293][ T3784] EXT4-fs (loop4): mount failed [ 48.647885][ T3788] loop3: detected capacity change from 0 to 264192 [pid 3788] close(16 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(15 [pid 3624] <... openat resumed>) = 3 [pid 3798] <... pwrite64 resumed>) = 9 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(17 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3798] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3788] close(17 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3798] <... pwrite64 resumed>) = 8 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(18 [pid 3624] close(3 [pid 3798] pwrite64(3, NULL, 0, 26624 [pid 3788] close(18 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3798] <... pwrite64 resumed>) = 0 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(19 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3798] pwrite64(3, NULL, 0, 36864 [pid 3788] close(19 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] <... pwrite64 resumed>) = 0 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(20 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 10 [pid 3798] pwrite64(3, NULL, 0, 4194300 [pid 3788] close(20 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(16 [pid 3798] <... pwrite64 resumed>) = 0 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(21 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3799 attached [pid 3798] pwrite64(3, NULL, 0, 69888 [pid 3788] close(21 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(17 [pid 3799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3798] <... pwrite64 resumed>) = 0 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(22 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] <... prctl resumed>) = 0 [pid 3798] pwrite64(3, NULL, 0, 71040 [pid 3788] close(22 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(18 [pid 3799] setpgid(0, 0 [pid 3798] <... pwrite64 resumed>) = 0 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(23 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] <... setpgid resumed>) = 0 [pid 3798] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3788] close(23 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(19 [pid 3799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3798] <... openat resumed>) = 4 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(24 [pid 3799] <... openat resumed>) = 3 [pid 3798] ioctl(4, LOOP_SET_FD, 3 [pid 3788] close(24 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] write(3, "1000", 4 [pid 3798] <... ioctl resumed>) = 0 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(25 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] <... write resumed>) = 4 [pid 3798] mkdir("./file0", 0777 [pid 3788] close(25 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(20 [pid 3799] close(3 [pid 3798] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(26 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] <... close resumed>) = 0 [pid 3798] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3788] close(26 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] memfd_create("syzkaller", 0 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(27 [pid 3799] <... memfd_create resumed>) = 3 [pid 3797] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3788] close(27 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(21 [pid 3799] ftruncate(3, 135266304 [pid 3797] ioctl(4, LOOP_CLR_FD [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(28 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] <... ftruncate resumed>) = 0 [pid 3788] close(28 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(22 [pid 3799] 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 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] close(29 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] <... pwrite64 resumed>) = 102 [pid 3788] close(29 [pid 3786] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 48.672625][ T3783] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 48.673059][ T3783] EXT4-fs (loop1): get root inode failed [ 48.673073][ T3783] EXT4-fs (loop1): mount failed [pid 3783] close(23 [pid 3799] pwrite64(3, NULL, 0, 1248 [pid 3788] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3786] exit_group(0 [pid 3799] <... pwrite64 resumed>) = 0 [pid 3788] exit_group(0 [pid 3786] <... exit_group resumed>) = ? [pid 3799] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3788] <... exit_group resumed>) = ? [pid 3786] +++ exited with 0 +++ [pid 3799] <... pwrite64 resumed>) = 9 [pid 3788] +++ exited with 0 +++ [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3799] pwrite64(3, NULL, 0, 1600 [pid 3626] restart_syscall(<... resuming interrupted clone ...> [pid 3799] <... pwrite64 resumed>) = 0 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3626] <... restart_syscall resumed>) = 0 [pid 3799] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3629] restart_syscall(<... resuming interrupted clone ...> [pid 3799] <... pwrite64 resumed>) = 9 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... restart_syscall resumed>) = 0 [pid 3799] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3783] close(24 [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3799] <... pwrite64 resumed>) = 8 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3799] pwrite64(3, NULL, 0, 26624 [pid 3783] close(25 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3799] <... pwrite64 resumed>) = 0 [pid 3797] <... ioctl resumed>) = 0 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... openat resumed>) = 3 [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3799] pwrite64(3, NULL, 0, 36864 [pid 3797] close(4 [pid 3783] close(26 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3626] close(3 [pid 3799] <... pwrite64 resumed>) = 0 [pid 3797] <... close resumed>) = 0 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3626] <... close resumed>) = 0 [pid 3799] pwrite64(3, NULL, 0, 4194300 [pid 3797] close(3 [pid 3783] close(27 [pid 3629] close(3 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3799] <... pwrite64 resumed>) = 0 [pid 3797] <... close resumed>) = 0 [pid 3629] <... close resumed>) = 0 [pid 3799] pwrite64(3, NULL, 0, 69888 [pid 3798] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3797] close(3 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 11 [pid 3799] <... pwrite64 resumed>) = 0 [pid 3798] ioctl(4, LOOP_CLR_FD [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(28./strace-static-x86_64: Process 3804 attached [pid 3799] pwrite64(3, NULL, 0, 71040 [pid 3797] close(4 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 12 [pid 3804] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3799] <... pwrite64 resumed>) = 0 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] close(29 [pid 3804] <... prctl resumed>) = 0 [pid 3799] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3797] close(5 [pid 3783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] setpgid(0, 0 [pid 3799] <... openat resumed>) = 4 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3805 attached [ 48.678037][ T3788] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 48.678565][ T3788] EXT4-fs (loop3): get root inode failed [pid 3799] ioctl(4, LOOP_SET_FD, 3 [pid 3797] close(6 [pid 3805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3799] <... ioctl resumed>) = 0 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3805] <... prctl resumed>) = 0 [pid 3804] <... setpgid resumed>) = 0 [pid 3799] mkdir("./file0", 0777 [pid 3797] close(7 [pid 3783] exit_group(0 [pid 3805] setpgid(0, 0 [pid 3804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3799] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] <... exit_group resumed>) = ? [pid 3805] <... setpgid resumed>) = 0 [pid 3804] <... openat resumed>) = 3 [pid 3799] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3797] close(8 [pid 3805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3804] write(3, "1000", 4 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3783] +++ exited with 0 +++ [pid 3805] <... openat resumed>) = 3 [pid 3797] close(9 [pid 3805] write(3, "1000", 4 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3805] <... write resumed>) = 4 [pid 3797] close(10 [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 3805] close(3 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... restart_syscall resumed>) = 0 [pid 3805] <... close resumed>) = 0 [pid 3797] close(11 [pid 3805] memfd_create("syzkaller", 0 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3805] <... memfd_create resumed>) = 3 [pid 3797] close(12 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3805] ftruncate(3, 135266304 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 3805] <... ftruncate resumed>) = 0 [pid 3804] <... write resumed>) = 4 [pid 3797] close(13 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3805] 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 [pid 3804] close(3 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3805] <... pwrite64 resumed>) = 102 [pid 3804] <... close resumed>) = 0 [pid 3798] <... ioctl resumed>) = 0 [pid 3797] close(14 [pid 3627] close(3 [pid 3805] pwrite64(3, NULL, 0, 1248 [pid 3804] memfd_create("syzkaller", 0 [pid 3798] close(4 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 3805] <... pwrite64 resumed>) = 0 [pid 3804] <... memfd_create resumed>) = 3 [pid 3798] <... close resumed>) = 0 [pid 3797] close(15 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3805] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3804] ftruncate(3, 135266304 [pid 3798] close(3 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3805] <... pwrite64 resumed>) = 9 [pid 3804] <... ftruncate resumed>) = 0 [pid 3798] <... close resumed>) = 0 [pid 3797] close(16 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 11 ./strace-static-x86_64: Process 3807 attached [pid 3805] pwrite64(3, NULL, 0, 1600 [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 [pid 3798] close(3 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3805] <... pwrite64 resumed>) = 0 [pid 3804] <... pwrite64 resumed>) = 102 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 48.678579][ T3788] EXT4-fs (loop3): mount failed [ 48.695890][ T3786] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3797] close(17 [pid 3805] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3798] close(4 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3805] <... pwrite64 resumed>) = 9 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] close(18 [pid 3805] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3798] close(5 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... prctl resumed>) = 0 [pid 3805] <... pwrite64 resumed>) = 8 [pid 3804] pwrite64(3, NULL, 0, 1248 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] close(19 [pid 3799] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3805] pwrite64(3, NULL, 0, 26624 [pid 3799] ioctl(4, LOOP_CLR_FD [pid 3798] close(6 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3805] <... pwrite64 resumed>) = 0 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] close(20 [pid 3805] pwrite64(3, NULL, 0, 36864 [pid 3798] close(7 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] setpgid(0, 0 [pid 3805] <... pwrite64 resumed>) = 0 [pid 3804] <... pwrite64 resumed>) = 0 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] close(21 [pid 3805] pwrite64(3, NULL, 0, 4194300 [pid 3798] close(8 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3805] <... pwrite64 resumed>) = 0 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] close(22 [pid 3807] <... setpgid resumed>) = 0 [pid 3805] pwrite64(3, NULL, 0, 69888 [pid 3804] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3798] close(9 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3805] <... pwrite64 resumed>) = 0 [pid 3804] <... pwrite64 resumed>) = 9 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] close(23 [pid 3807] <... openat resumed>) = 3 [pid 3805] pwrite64(3, NULL, 0, 71040 [pid 3804] pwrite64(3, NULL, 0, 1600 [pid 3798] close(10 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] write(3, "1000", 4 [pid 3805] <... pwrite64 resumed>) = 0 [pid 3804] <... pwrite64 resumed>) = 0 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] close(24 [pid 3807] <... write resumed>) = 4 [pid 3805] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3804] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3798] close(11 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(3 [pid 3805] <... openat resumed>) = 4 [pid 3804] <... pwrite64 resumed>) = 9 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] close(25 [pid 3807] <... close resumed>) = 0 [pid 3805] ioctl(4, LOOP_SET_FD, 3 [pid 3804] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3798] close(12 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] memfd_create("syzkaller", 0 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] close(26 [pid 3798] close(13 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] close(27 [pid 3807] <... memfd_create resumed>) = 3 [pid 3804] <... pwrite64 resumed>) = 8 [pid 3799] <... ioctl resumed>) = 0 [pid 3798] close(14 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] close(4 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] close(28 [pid 3799] <... close resumed>) = 0 [pid 3798] close(15 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] close(3 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] close(29 [pid 3804] pwrite64(3, NULL, 0, 26624 [pid 3799] <... close resumed>) = 0 [pid 3798] close(16 [pid 3797] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3805] <... ioctl resumed>) = 0 [pid 3805] mkdir("./file0", 0777 [pid 3804] <... pwrite64 resumed>) = 0 [pid 3799] close(3 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] exit_group(0 [pid 3805] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3804] pwrite64(3, NULL, 0, 36864 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] close(17 [pid 3797] <... exit_group resumed>) = ? [pid 3805] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3804] <... pwrite64 resumed>) = 0 [pid 3799] close(4 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3797] +++ exited with 0 +++ [pid 3807] ftruncate(3, 135266304 [pid 3804] pwrite64(3, NULL, 0, 4194300 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] close(18 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3807] <... ftruncate resumed>) = 0 [pid 3804] <... pwrite64 resumed>) = 0 [pid 3799] close(5 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] restart_syscall(<... resuming interrupted clone ...> [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 [ 48.696333][ T3786] EXT4-fs (loop0): get root inode failed [ 48.696347][ T3786] EXT4-fs (loop0): mount failed [ 48.828360][ T3797] loop5: detected capacity change from 0 to 264192 [ 48.866917][ T3798] loop2: detected capacity change from 0 to 264192 [pid 3804] pwrite64(3, NULL, 0, 69888 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] close(19 [pid 3628] <... restart_syscall resumed>) = 0 [pid 3807] <... pwrite64 resumed>) = 102 [pid 3804] <... pwrite64 resumed>) = 0 [pid 3799] close(6 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] pwrite64(3, NULL, 0, 71040 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] close(20 [pid 3804] <... pwrite64 resumed>) = 0 [pid 3799] close(7 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3804] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] close(21 [pid 3628] <... openat resumed>) = 3 [pid 3804] <... openat resumed>) = 4 [pid 3799] close(8 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3804] ioctl(4, LOOP_SET_FD, 3 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] close(22 [pid 3628] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3804] <... ioctl resumed>) = 0 [pid 3799] close(9 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(3 [pid 3804] mkdir("./file0", 0777 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] close(23 [pid 3628] <... close resumed>) = 0 [pid 3807] pwrite64(3, NULL, 0, 1248 [pid 3804] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3799] close(10 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3807] <... pwrite64 resumed>) = 0 [pid 3804] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] close(24 [pid 3807] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3799] close(11 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 11 [pid 3807] <... pwrite64 resumed>) = 9 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] close(25 [pid 3807] pwrite64(3, NULL, 0, 1600 [pid 3799] close(12 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... pwrite64 resumed>) = 0 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] close(26./strace-static-x86_64: Process 3810 attached [pid 3807] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3799] close(13 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3807] <... pwrite64 resumed>) = 9 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] close(27 [pid 3810] <... prctl resumed>) = 0 [pid 3807] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3799] close(14 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] setpgid(0, 0 [pid 3807] <... pwrite64 resumed>) = 8 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] close(28 [pid 3810] <... setpgid resumed>) = 0 [pid 3807] pwrite64(3, NULL, 0, 26624 [pid 3805] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3799] close(15 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3807] <... pwrite64 resumed>) = 0 [pid 3805] ioctl(4, LOOP_CLR_FD [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] close(29 [pid 3810] <... openat resumed>) = 3 [pid 3807] pwrite64(3, NULL, 0, 36864 [pid 3799] close(16 [pid 3798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] write(3, "1000", 4 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] exit_group(0 [pid 3810] <... write resumed>) = 4 [pid 3807] <... pwrite64 resumed>) = 0 [pid 3799] close(17 [pid 3798] <... exit_group resumed>) = ? [pid 3810] close(3 [pid 3807] pwrite64(3, NULL, 0, 4194300 [pid 3804] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3798] +++ exited with 0 +++ [pid 3810] <... close resumed>) = 0 [pid 3807] <... pwrite64 resumed>) = 0 [pid 3804] ioctl(4, LOOP_CLR_FD [pid 3799] close(18 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3810] memfd_create("syzkaller", 0 [pid 3807] pwrite64(3, NULL, 0, 69888 [pid 3804] <... ioctl resumed>) = 0 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] <... memfd_create resumed>) = 3 [pid 3807] <... pwrite64 resumed>) = 0 [pid 3804] close(4 [pid 3799] close(19 [pid 3810] ftruncate(3, 135266304 [pid 3807] pwrite64(3, NULL, 0, 71040 [pid 3804] <... close resumed>) = 0 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 48.877989][ T3797] EXT4-fs error (device loop5): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3810] <... ftruncate resumed>) = 0 [pid 3807] <... pwrite64 resumed>) = 0 [pid 3804] close(3 [pid 3799] close(20 [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 [pid 3807] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3804] <... close resumed>) = 0 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] <... pwrite64 resumed>) = 102 [pid 3799] close(21 [pid 3810] pwrite64(3, NULL, 0, 1248 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3810] <... pwrite64 resumed>) = 0 [pid 3799] close(22 [pid 3625] <... openat resumed>) = 3 [pid 3810] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3810] <... pwrite64 resumed>) = 9 [pid 3799] close(23 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3810] pwrite64(3, NULL, 0, 1600 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] close(3 [pid 3810] <... pwrite64 resumed>) = 0 [pid 3799] close(24 [pid 3625] <... close resumed>) = 0 [pid 3810] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3810] <... pwrite64 resumed>) = 9 [pid 3807] <... openat resumed>) = 4 [pid 3804] close(3 [pid 3799] close(25 [pid 3810] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3807] ioctl(4, LOOP_SET_FD, 3 [pid 3805] <... ioctl resumed>) = 0 [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 12 [pid 3810] <... pwrite64 resumed>) = 8 [pid 3807] <... ioctl resumed>) = 0 [pid 3805] close(4 [pid 3804] close(4 [pid 3799] close(26 [pid 3810] pwrite64(3, NULL, 0, 26624 [pid 3807] mkdir("./file0", 0777 [pid 3805] <... close resumed>) = 0 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] <... pwrite64 resumed>) = 0 [pid 3805] close(3 [pid 3799] close(27 [pid 3810] pwrite64(3, NULL, 0, 36864 [pid 3805] <... close resumed>) = 0 [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] <... pwrite64 resumed>) = 0 [pid 3805] close(3 [pid 3799] close(28 [pid 3810] pwrite64(3, NULL, 0, 4194300 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3814 attached [pid 3810] <... pwrite64 resumed>) = 0 [pid 3805] close(4 [pid 3799] close(29 [pid 3814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3810] pwrite64(3, NULL, 0, 69888 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... prctl resumed>) = 0 [pid 3810] <... pwrite64 resumed>) = 0 [pid 3807] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3805] close(5 [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3799] exit_group(0 [pid 3814] setpgid(0, 0 [pid 3810] pwrite64(3, NULL, 0, 71040 [pid 3807] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] close(5 [pid 3799] <... exit_group resumed>) = ? [pid 3814] <... setpgid resumed>) = 0 [pid 3810] <... pwrite64 resumed>) = 0 [pid 3805] close(6 [pid 3799] +++ exited with 0 +++ [pid 3814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3810] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... openat resumed>) = 3 [pid 3810] <... openat resumed>) = 4 [pid 3805] close(7 [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3814] write(3, "1000", 4 [pid 3810] ioctl(4, LOOP_SET_FD, 3 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3814] <... write resumed>) = 4 [pid 3810] <... ioctl resumed>) = 0 [pid 3805] close(8 [pid 3624] <... openat resumed>) = 3 [pid 3814] close(3 [pid 3810] mkdir("./file0", 0777 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3814] <... close resumed>) = 0 [pid 3810] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3805] close(9 [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3814] memfd_create("syzkaller", 0 [pid 3810] mount("/dev/loop5", "./file0", "ext4", 0, ",errors=continue" [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] close(3 [pid 3814] <... memfd_create resumed>) = 3 [pid 3805] close(10 [pid 3804] close(6 [pid 3624] <... close resumed>) = 0 [pid 3814] ftruncate(3, 135266304 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3814] <... ftruncate resumed>) = 0 [pid 3805] close(11 [pid 3804] close(7 [pid 3814] 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 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 11 [pid 3814] <... pwrite64 resumed>) = 102 [pid 3805] close(12 [pid 3804] close(8 [pid 3814] pwrite64(3, NULL, 0, 1248 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... pwrite64 resumed>) = 0 [pid 3805] close(13 [pid 3804] close(9./strace-static-x86_64: Process 3816 attached [pid 3814] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3814] <... pwrite64 resumed>) = 9 [pid 3805] close(14 [pid 3804] close(10 [pid 3816] <... prctl resumed>) = 0 [pid 3814] pwrite64(3, NULL, 0, 1600 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] setpgid(0, 0 [pid 3814] <... pwrite64 resumed>) = 0 [pid 3805] close(15 [pid 3804] close(11 [pid 3816] <... setpgid resumed>) = 0 [pid 3814] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3814] <... pwrite64 resumed>) = 9 [pid 3805] close(16 [pid 3804] close(12 [pid 3816] <... openat resumed>) = 3 [pid 3814] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] write(3, "1000", 4 [pid 3814] <... pwrite64 resumed>) = 8 [pid 3807] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3805] close(17 [pid 3804] close(13 [pid 3816] <... write resumed>) = 4 [pid 3814] pwrite64(3, NULL, 0, 26624 [pid 3807] ioctl(4, LOOP_CLR_FD [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(3 [pid 3814] <... pwrite64 resumed>) = 0 [pid 3805] close(18 [pid 3804] close(14 [pid 3816] <... close resumed>) = 0 [pid 3814] pwrite64(3, NULL, 0, 36864 [pid 3810] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] memfd_create("syzkaller", 0 [pid 3814] <... pwrite64 resumed>) = 0 [pid 3810] ioctl(4, LOOP_CLR_FD [pid 3805] close(19 [pid 3804] close(15 [pid 3816] <... memfd_create resumed>) = 3 [pid 3814] pwrite64(3, NULL, 0, 4194300 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] ftruncate(3, 135266304 [pid 3814] <... pwrite64 resumed>) = 0 [pid 3805] close(20 [pid 3804] close(16 [pid 3816] <... ftruncate resumed>) = 0 [pid 3814] pwrite64(3, NULL, 0, 69888 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [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 [pid 3814] <... pwrite64 resumed>) = 0 [pid 3805] close(21 [pid 3804] close(17 [pid 3816] <... pwrite64 resumed>) = 102 [pid 3814] pwrite64(3, NULL, 0, 71040 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] pwrite64(3, NULL, 0, 1248 [pid 3814] <... pwrite64 resumed>) = 0 [pid 3805] close(22 [pid 3804] close(18 [pid 3816] <... pwrite64 resumed>) = 0 [pid 3814] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3814] <... openat resumed>) = 4 [pid 3805] close(23 [pid 3804] close(19 [pid 3816] <... pwrite64 resumed>) = 9 [pid 3814] ioctl(4, LOOP_SET_FD, 3 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] pwrite64(3, NULL, 0, 1600 [pid 3814] <... ioctl resumed>) = 0 [pid 3805] close(24 [pid 3804] close(20 [pid 3816] <... pwrite64 resumed>) = 0 [pid 3814] mkdir("./file0", 0777 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3814] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3805] close(25 [ 48.878995][ T3797] EXT4-fs (loop5): get root inode failed [ 48.879009][ T3797] EXT4-fs (loop5): mount failed [ 48.919706][ T3798] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3804] close(21 [pid 3816] <... pwrite64 resumed>) = 9 [pid 3814] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3805] close(26 [pid 3804] close(22 [pid 3816] <... pwrite64 resumed>) = 8 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] pwrite64(3, NULL, 0, 26624 [pid 3805] close(27 [pid 3804] close(23 [pid 3816] <... pwrite64 resumed>) = 0 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] pwrite64(3, NULL, 0, 36864 [pid 3805] close(28 [pid 3804] close(24 [pid 3816] <... pwrite64 resumed>) = 0 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] pwrite64(3, NULL, 0, 4194300 [pid 3805] close(29 [pid 3804] close(25 [pid 3816] <... pwrite64 resumed>) = 0 [pid 3805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] pwrite64(3, NULL, 0, 69888 [pid 3805] exit_group(0 [pid 3804] close(26 [pid 3816] <... pwrite64 resumed>) = 0 [pid 3805] <... exit_group resumed>) = ? [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] pwrite64(3, NULL, 0, 71040 [pid 3805] +++ exited with 0 +++ [pid 3804] close(27 [pid 3816] <... pwrite64 resumed>) = 0 [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3816] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3804] close(28 [pid 3816] <... openat resumed>) = 4 [pid 3810] <... ioctl resumed>) = 0 [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... ioctl resumed>) = 0 [pid 3816] ioctl(4, LOOP_SET_FD, 3 [pid 3810] close(4 [pid 3807] close(4 [pid 3804] close(29 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3816] <... ioctl resumed>) = 0 [pid 3810] <... close resumed>) = 0 [pid 3807] <... close resumed>) = 0 [pid 3804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... openat resumed>) = 3 [pid 3816] mkdir("./file0", 0777 [pid 3810] close(3 [pid 3807] close(3 [pid 3804] exit_group(0 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3816] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3810] <... close resumed>) = 0 [pid 3807] <... close resumed>) = 0 [pid 3804] <... exit_group resumed>) = ? [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3816] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3810] close(3 [pid 3807] close(3 [pid 3629] close(3 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3804] +++ exited with 0 +++ [pid 3629] <... close resumed>) = 0 [pid 3814] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3810] close(4 [pid 3807] close(4 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3814] ioctl(4, LOOP_CLR_FD [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3810] close(5 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 13 [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3810] close(6 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3810] close(7 [pid 3626] close(3 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(5 [pid 3626] <... close resumed>) = 0 [ 48.920205][ T3798] EXT4-fs (loop2): get root inode failed [ 48.920218][ T3798] EXT4-fs (loop2): mount failed [pid 3810] close(8 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3823 attached [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3810] close(9 [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 12 ./strace-static-x86_64: Process 3824 attached [pid 3823] <... prctl resumed>) = 0 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(6 [pid 3823] setpgid(0, 0 [pid 3810] close(10 [pid 3823] <... setpgid resumed>) = 0 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3810] close(11 [pid 3823] <... openat resumed>) = 3 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(7 [pid 3823] write(3, "1000", 4 [pid 3810] close(12 [pid 3823] <... write resumed>) = 4 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] close(3 [pid 3810] close(13 [pid 3807] close(8 [pid 3823] <... close resumed>) = 0 [pid 3816] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] memfd_create("syzkaller", 0 [pid 3816] ioctl(4, LOOP_CLR_FD [pid 3824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3810] close(14 [pid 3807] close(9 [pid 3823] <... memfd_create resumed>) = 3 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] ftruncate(3, 135266304 [pid 3810] close(15 [pid 3823] <... ftruncate resumed>) = 0 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [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 [pid 3810] close(16 [pid 3823] <... pwrite64 resumed>) = 102 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] pwrite64(3, NULL, 0, 1248 [pid 3810] close(17 [pid 3823] <... pwrite64 resumed>) = 0 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3810] close(18 [pid 3823] <... pwrite64 resumed>) = 9 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] pwrite64(3, NULL, 0, 1600 [pid 3810] close(19 [pid 3823] <... pwrite64 resumed>) = 0 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3810] close(20 [pid 3823] <... pwrite64 resumed>) = 9 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3810] close(21 [pid 3823] <... pwrite64 resumed>) = 8 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] pwrite64(3, NULL, 0, 26624 [pid 3810] close(22 [pid 3823] <... pwrite64 resumed>) = 0 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] pwrite64(3, NULL, 0, 36864 [pid 3810] close(23 [pid 3823] <... pwrite64 resumed>) = 0 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] pwrite64(3, NULL, 0, 4194300 [pid 3810] close(24 [pid 3823] <... pwrite64 resumed>) = 0 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] pwrite64(3, NULL, 0, 69888 [pid 3810] close(25 [pid 3823] <... pwrite64 resumed>) = 0 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] pwrite64(3, NULL, 0, 71040 [pid 3810] close(26 [pid 3823] <... pwrite64 resumed>) = 0 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3810] close(27 [pid 3823] <... openat resumed>) = 4 [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] ioctl(4, LOOP_SET_FD, 3 [pid 3810] close(28) = -1 EBADF (Bad file descriptor) [pid 3810] close(29 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(10 [pid 3824] <... prctl resumed>) = 0 [pid 3814] <... ioctl resumed>) = 0 [pid 3810] exit_group(0 [pid 3814] close(4 [pid 3810] <... exit_group resumed>) = ? [pid 3814] <... close resumed>) = 0 [pid 3810] +++ exited with 0 +++ [pid 3814] close(3) = 0 [pid 3814] close(3 [pid 3824] setpgid(0, 0 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] close(4) = -1 EBADF (Bad file descriptor) [pid 3814] close(5) = -1 EBADF (Bad file descriptor) [pid 3814] close(6) = -1 EBADF (Bad file descriptor) [pid 3814] close(7) = -1 EBADF (Bad file descriptor) [pid 3814] close(8) = -1 EBADF (Bad file descriptor) [pid 3814] close(9) = -1 EBADF (Bad file descriptor) [pid 3814] close(10) = -1 EBADF (Bad file descriptor) [pid 3814] close(11) = -1 EBADF (Bad file descriptor) [pid 3824] <... setpgid resumed>) = 0 [ 48.941699][ T3799] loop4: detected capacity change from 0 to 264192 [ 48.988661][ T3799] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 48.989134][ T3799] EXT4-fs (loop4): get root inode failed [pid 3814] close(12 [pid 3807] close(11 [pid 3628] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] close(13) = -1 EBADF (Bad file descriptor) [pid 3814] close(14) = -1 EBADF (Bad file descriptor) [pid 3814] close(15) = -1 EBADF (Bad file descriptor) [pid 3814] close(16) = -1 EBADF (Bad file descriptor) [pid 3814] close(17) = -1 EBADF (Bad file descriptor) [pid 3814] close(18) = -1 EBADF (Bad file descriptor) [pid 3823] <... ioctl resumed>) = 0 [pid 3823] mkdir("./file0", 0777 [pid 3814] close(19 [pid 3823] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3814] close(20 [pid 3824] <... openat resumed>) = 3 [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(12 [pid 3824] write(3, "1000", 4 [pid 3814] close(21 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] close(22) = -1 EBADF (Bad file descriptor) [pid 3814] close(23) = -1 EBADF (Bad file descriptor) [pid 3824] <... write resumed>) = 4 [pid 3816] <... ioctl resumed>) = 0 [pid 3814] close(24 [pid 3807] close(13 [pid 3628] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3816] close(4 [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = 0 [pid 3814] close(25 [pid 3816] close(3 [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = 0 [pid 3814] close(26 [pid 3816] close(3 [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] close(27 [pid 3824] close(3 [pid 3816] close(4 [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 48.989147][ T3799] EXT4-fs (loop4): mount failed [ 49.030657][ T3805] loop3: detected capacity change from 0 to 264192 [ 49.055711][ T3804] loop0: detected capacity change from 0 to 264192 [ 49.077835][ T3805] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 49.078277][ T3805] EXT4-fs (loop3): get root inode failed [ 49.078291][ T3805] EXT4-fs (loop3): mount failed [pid 3824] <... close resumed>) = 0 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] close(28 [pid 3807] close(14 [pid 3628] <... openat resumed>) = 3 [pid 3816] close(5 [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] close(29 [pid 3816] close(6 [pid 3814] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] exit_group(0 [pid 3816] close(7 [pid 3814] <... exit_group resumed>) = ? [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3814] +++ exited with 0 +++ [pid 3816] close(8 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] close(9) = -1 EBADF (Bad file descriptor) [pid 3816] close(10) = -1 EBADF (Bad file descriptor) [pid 3816] close(11) = -1 EBADF (Bad file descriptor) [pid 3816] close(12) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3816] close(13 [pid 3625] <... openat resumed>) = 3 [pid 3824] memfd_create("syzkaller", 0 [pid 3823] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] ioctl(3, LOOP_CLR_FD [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3824] <... memfd_create resumed>) = 3 [pid 3823] ioctl(4, LOOP_CLR_FD [pid 3816] close(14 [pid 3807] close(15 [pid 3628] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3824] ftruncate(3, 135266304 [pid 3823] <... ioctl resumed>) = 0 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] close(3 [pid 3823] close(4 [pid 3816] close(15 [pid 3625] <... close resumed>) = 0 [pid 3823] <... close resumed>) = 0 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3824] <... ftruncate resumed>) = 0 [pid 3823] close(3 [pid 3816] close(16 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] close(3./strace-static-x86_64: Process 3828 attached [pid 3824] 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 [pid 3823] <... close resumed>) = 0 [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(16 [pid 3628] <... close resumed>) = 0 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 13 [pid 3823] close(3 [ 49.087581][ T3804] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 49.088219][ T3804] EXT4-fs (loop0): get root inode failed [ 49.088233][ T3804] EXT4-fs (loop0): mount failed [ 49.111273][ T3807] loop1: detected capacity change from 0 to 264192 [ 49.125193][ T3810] loop5: detected capacity change from 0 to 264192 [pid 3816] close(17 [pid 3828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3824] <... pwrite64 resumed>) = 102 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3823] close(4 [pid 3816] close(18 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] close(5 [pid 3816] close(19 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] close(6 [pid 3816] close(20 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] close(7 [pid 3816] close(21 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] close(8 [pid 3816] close(22 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] close(9 [pid 3816] close(23 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] <... prctl resumed>) = 0 [pid 3824] pwrite64(3, NULL, 0, 1248 [pid 3823] close(10 [pid 3816] close(24 [pid 3807] close(17 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] close(11 [pid 3816] close(25 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] close(12 [pid 3816] close(26 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] close(13 [pid 3816] close(27 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] setpgid(0, 0 [pid 3824] <... pwrite64 resumed>) = 0 [pid 3823] close(14 [pid 3816] close(28 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 12 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3823] close(15 [pid 3816] close(29 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3829 attached [pid 3823] close(16 [pid 3816] exit_group(0 [pid 3829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3816] <... exit_group resumed>) = ? [pid 3829] <... prctl resumed>) = 0 [pid 3823] close(17 [pid 3816] +++ exited with 0 +++ [pid 3829] setpgid(0, 0 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] <... setpgid resumed>) = 0 [pid 3824] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3807] close(18 [pid 3829] <... setpgid resumed>) = 0 [pid 3823] close(18 [pid 3829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3824] <... pwrite64 resumed>) = 9 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... openat resumed>) = 3 [pid 3823] close(19 [pid 3829] write(3, "1000", 4 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... write resumed>) = 4 [pid 3824] pwrite64(3, NULL, 0, 1600 [pid 3823] close(20 [pid 3829] close(3 [pid 3828] <... openat resumed>) = 3 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] <... pwrite64 resumed>) = 0 [pid 3807] close(19 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3829] <... close resumed>) = 0 [pid 3823] close(21 [pid 3624] <... openat resumed>) = 3 [pid 3829] memfd_create("syzkaller", 0 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3829] <... memfd_create resumed>) = 3 [pid 3823] close(22 [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3829] ftruncate(3, 135266304 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] close(3 [pid 3829] <... ftruncate resumed>) = 0 [pid 3823] close(23 [pid 3624] <... close resumed>) = 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 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3829] <... pwrite64 resumed>) = 102 [pid 3823] close(24 [pid 3829] pwrite64(3, NULL, 0, 1248 [pid 3828] write(3, "1000", 4 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 49.152265][ T3807] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 49.152691][ T3807] EXT4-fs (loop1): get root inode failed [ 49.152706][ T3807] EXT4-fs (loop1): mount failed [ 49.159260][ T3810] EXT4-fs error (device loop5): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 49.160201][ T3810] EXT4-fs (loop5): get root inode failed [ 49.160216][ T3810] EXT4-fs (loop5): mount failed [pid 3824] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 12 [pid 3829] <... pwrite64 resumed>) = 0 [pid 3828] <... write resumed>) = 4 [pid 3823] close(25 [pid 3829] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... pwrite64 resumed>) = 9 [pid 3823] close(26 [pid 3829] pwrite64(3, NULL, 0, 1600 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... pwrite64 resumed>) = 0 [pid 3823] close(27 [pid 3829] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3829] <... pwrite64 resumed>) = 9 [pid 3823] close(28./strace-static-x86_64: Process 3830 attached [pid 3829] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3829] <... pwrite64 resumed>) = 8 [pid 3823] close(29 [pid 3830] <... prctl resumed>) = 0 [pid 3829] pwrite64(3, NULL, 0, 26624 [pid 3828] close(3 [pid 3824] <... pwrite64 resumed>) = 9 [pid 3823] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3807] close(20 [pid 3830] setpgid(0, 0 [pid 3829] <... pwrite64 resumed>) = 0 [pid 3823] exit_group(0 [pid 3830] <... setpgid resumed>) = 0 [pid 3829] pwrite64(3, NULL, 0, 36864 [pid 3823] <... exit_group resumed>) = ? [pid 3830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3829] <... pwrite64 resumed>) = 0 [pid 3823] +++ exited with 0 +++ [pid 3830] <... openat resumed>) = 3 [pid 3829] pwrite64(3, NULL, 0, 4194300 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3830] write(3, "1000", 4 [pid 3829] <... pwrite64 resumed>) = 0 [pid 3830] <... write resumed>) = 4 [pid 3829] pwrite64(3, NULL, 0, 69888 [pid 3830] close(3 [pid 3829] <... pwrite64 resumed>) = 0 [pid 3830] <... close resumed>) = 0 [pid 3829] pwrite64(3, NULL, 0, 71040 [pid 3830] memfd_create("syzkaller", 0 [pid 3829] <... pwrite64 resumed>) = 0 [pid 3828] <... close resumed>) = 0 [pid 3824] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... memfd_create resumed>) = 3 [pid 3829] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3828] memfd_create("syzkaller", 0 [pid 3824] <... pwrite64 resumed>) = 8 [pid 3807] close(21 [pid 3830] ftruncate(3, 135266304 [pid 3829] <... openat resumed>) = 4 [pid 3830] <... ftruncate resumed>) = 0 [pid 3829] ioctl(4, LOOP_SET_FD, 3 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3830] 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 [pid 3829] <... ioctl resumed>) = 0 [pid 3629] <... openat resumed>) = 3 [pid 3830] <... pwrite64 resumed>) = 102 [pid 3829] mkdir("./file0", 0777 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3830] pwrite64(3, NULL, 0, 1248 [pid 3829] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3830] <... pwrite64 resumed>) = 0 [pid 3829] mount("/dev/loop5", "./file0", "ext4", 0, ",errors=continue" [pid 3629] close(3 [pid 3830] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3828] <... memfd_create resumed>) = 3 [pid 3824] pwrite64(3, NULL, 0, 26624 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... close resumed>) = 0 [pid 3830] <... pwrite64 resumed>) = 9 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3830] pwrite64(3, NULL, 0, 1600 [pid 3828] ftruncate(3, 135266304 [pid 3824] <... pwrite64 resumed>) = 0 [pid 3807] close(22 [pid 3830] <... pwrite64 resumed>) = 0 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 14 [pid 3830] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3828] <... ftruncate resumed>) = 0 [pid 3824] pwrite64(3, NULL, 0, 36864 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3831 attached [pid 3830] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3830] <... pwrite64 resumed>) = 8 [pid 3831] <... prctl resumed>) = 0 [pid 3830] pwrite64(3, NULL, 0, 26624 [pid 3831] setpgid(0, 0 [pid 3830] <... pwrite64 resumed>) = 0 [ 49.175115][ T3814] loop2: detected capacity change from 0 to 264192 [ 49.202030][ T3816] loop4: detected capacity change from 0 to 264192 [ 49.216197][ T3814] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 49.216619][ T3814] EXT4-fs (loop2): get root inode failed [ 49.216632][ T3814] EXT4-fs (loop2): mount failed [pid 3831] <... setpgid resumed>) = 0 [pid 3830] pwrite64(3, NULL, 0, 36864 [pid 3828] 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 [pid 3824] <... pwrite64 resumed>) = 0 [pid 3807] close(23 [pid 3831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3830] <... pwrite64 resumed>) = 0 [pid 3831] <... openat resumed>) = 3 [pid 3830] pwrite64(3, NULL, 0, 4194300 [pid 3831] write(3, "1000", 4 [pid 3830] <... pwrite64 resumed>) = 0 [pid 3831] <... write resumed>) = 4 [pid 3830] pwrite64(3, NULL, 0, 69888 [pid 3831] close(3 [pid 3830] <... pwrite64 resumed>) = 0 [pid 3831] <... close resumed>) = 0 [pid 3830] pwrite64(3, NULL, 0, 71040 [pid 3831] memfd_create("syzkaller", 0 [pid 3830] <... pwrite64 resumed>) = 0 [pid 3831] <... memfd_create resumed>) = 3 [pid 3830] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3828] <... pwrite64 resumed>) = 102 [pid 3824] pwrite64(3, NULL, 0, 4194300 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] ftruncate(3, 135266304 [pid 3830] <... openat resumed>) = 4 [pid 3831] <... ftruncate resumed>) = 0 [pid 3830] ioctl(4, LOOP_SET_FD, 3 [pid 3831] 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 [pid 3830] <... ioctl resumed>) = 0 [pid 3828] pwrite64(3, NULL, 0, 1248 [pid 3824] <... pwrite64 resumed>) = 0 [pid 3807] close(24 [pid 3831] <... pwrite64 resumed>) = 102 [pid 3830] mkdir("./file0", 0777 [pid 3831] pwrite64(3, NULL, 0, 1248 [pid 3830] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3831] <... pwrite64 resumed>) = 0 [pid 3830] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3831] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3828] <... pwrite64 resumed>) = 0 [pid 3824] pwrite64(3, NULL, 0, 69888 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] <... pwrite64 resumed>) = 9 [pid 3831] pwrite64(3, NULL, 0, 1600 [pid 3828] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3824] <... pwrite64 resumed>) = 0 [pid 3807] close(25 [pid 3831] <... pwrite64 resumed>) = 0 [pid 3831] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3831] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3831] pwrite64(3, NULL, 0, 26624) = 0 [pid 3831] pwrite64(3, NULL, 0, 36864) = 0 [pid 3831] pwrite64(3, NULL, 0, 4194300) = 0 [pid 3831] pwrite64(3, NULL, 0, 69888) = 0 [pid 3831] pwrite64(3, NULL, 0, 71040) = 0 [pid 3831] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 3831] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3831] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3828] <... pwrite64 resumed>) = 9 [pid 3824] pwrite64(3, NULL, 0, 71040 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3828] pwrite64(3, NULL, 0, 1600 [pid 3824] <... pwrite64 resumed>) = 0 [pid 3807] close(26 [pid 3828] <... pwrite64 resumed>) = 0 [pid 3824] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3824] <... openat resumed>) = 4 [ 49.243806][ T3816] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 49.244394][ T3816] EXT4-fs (loop4): get root inode failed [ 49.244409][ T3816] EXT4-fs (loop4): mount failed [ 49.293741][ T3823] loop3: detected capacity change from 0 to 264192 [ 49.326490][ T3823] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 49.341084][ T3823] EXT4-fs (loop3): get root inode failed [pid 3807] close(27 [pid 3828] <... pwrite64 resumed>) = 9 [pid 3824] ioctl(4, LOOP_SET_FD, 3 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3824] <... ioctl resumed>) = 0 [pid 3807] close(28 [pid 3830] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3830] ioctl(4, LOOP_CLR_FD [pid 3828] <... pwrite64 resumed>) = 8 [pid 3824] mkdir("./file0", 0777 [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3828] pwrite64(3, NULL, 0, 26624 [pid 3824] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3807] close(29 [pid 3831] ioctl(4, LOOP_CLR_FD [pid 3828] <... pwrite64 resumed>) = 0 [pid 3824] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] pwrite64(3, NULL, 0, 36864) = 0 [pid 3807] exit_group(0 [pid 3828] pwrite64(3, NULL, 0, 4194300 [pid 3807] <... exit_group resumed>) = ? [pid 3828] <... pwrite64 resumed>) = 0 [pid 3828] pwrite64(3, NULL, 0, 69888 [pid 3807] +++ exited with 0 +++ [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3828] <... pwrite64 resumed>) = 0 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [ 49.341100][ T3823] EXT4-fs (loop3): mount failed [ 49.452526][ T3829] loop5: detected capacity change from 0 to 264192 [ 49.475194][ T3829] EXT4-fs error (device loop5): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 49.475647][ T3829] EXT4-fs (loop5): get root inode failed [ 49.475659][ T3829] EXT4-fs (loop5): mount failed [pid 3627] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3828] pwrite64(3, NULL, 0, 71040 [pid 3627] close(3) = 0 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3839 attached [pid 3831] <... ioctl resumed>) = 0 [pid 3828] <... pwrite64 resumed>) = 0 [pid 3831] close(4 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 12 [pid 3831] <... close resumed>) = 0 [pid 3831] close(3) = 0 [pid 3831] close(3) = -1 EBADF (Bad file descriptor) [pid 3831] close(4 [pid 3839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3831] close(5 [pid 3828] <... openat resumed>) = 4 [pid 3839] <... prctl resumed>) = 0 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 49.487075][ T3830] loop4: detected capacity change from 0 to 264192 [ 49.504938][ T3831] loop3: detected capacity change from 0 to 264192 [ 49.541629][ T3831] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 49.542043][ T3824] loop0: detected capacity change from 0 to 264192 [ 49.542268][ T3831] EXT4-fs (loop3): get root inode failed [ 49.542279][ T3831] EXT4-fs (loop3): mount failed [pid 3830] <... ioctl resumed>) = 0 [pid 3828] ioctl(4, LOOP_SET_FD, 3 [pid 3839] setpgid(0, 0 [pid 3831] close(6 [pid 3830] close(4 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = 0 [pid 3831] close(7 [pid 3830] close(3 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = 0 [pid 3831] close(8 [pid 3830] close(3 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(9 [pid 3830] close(4 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(10 [pid 3830] close(5 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(11 [pid 3830] close(6 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(12 [pid 3830] close(7 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(13 [pid 3830] close(8 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(14 [pid 3830] close(9 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(15 [pid 3830] close(10 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(16 [pid 3830] close(11 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] <... setpgid resumed>) = 0 [pid 3831] close(17 [pid 3830] close(12 [pid 3828] <... ioctl resumed>) = 0 [pid 3839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(18 [pid 3830] close(13 [pid 3828] mkdir("./file0", 0777 [pid 3839] <... openat resumed>) = 3 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(19 [pid 3830] close(14 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3831] close(20 [pid 3830] close(15 [pid 3824] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3828] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3839] write(3, "1000", 4 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] <... write resumed>) = 4 [pid 3831] close(21 [pid 3830] close(16 [pid 3824] ioctl(4, LOOP_CLR_FD [pid 3839] close(3 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(22 [pid 3830] close(17 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(23 [pid 3830] close(18 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(24 [pid 3830] close(19 [pid 3839] <... close resumed>) = 0 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] <... ioctl resumed>) = 0 [pid 3831] close(25 [pid 3830] close(20 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(26 [pid 3830] close(21 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(27 [pid 3830] close(22 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(28 [pid 3830] close(23 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] close(29 [pid 3830] close(24 [pid 3831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3831] exit_group(0 [pid 3830] close(25 [ 49.547482][ T3830] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 49.547853][ T3830] EXT4-fs (loop4): get root inode failed [ 49.547865][ T3830] EXT4-fs (loop4): mount failed [ 49.643694][ T3828] loop2: detected capacity change from 0 to 264192 [pid 3839] memfd_create("syzkaller", 0 [pid 3831] <... exit_group resumed>) = ? [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] close(4 [pid 3839] <... memfd_create resumed>) = 3 [pid 3831] +++ exited with 0 +++ [pid 3830] close(26) = -1 EBADF (Bad file descriptor) [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3830] close(27) = -1 EBADF (Bad file descriptor) [pid 3830] close(28 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... openat resumed>) = 3 [pid 3830] close(29 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3830] exit_group(0 [pid 3629] close(3 [pid 3830] <... exit_group resumed>) = ? [pid 3629] <... close resumed>) = 0 [pid 3830] +++ exited with 0 +++ [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 15 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3624] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3839] ftruncate(3, 135266304 [pid 3824] <... close resumed>) = 0 [pid 3839] <... ftruncate resumed>) = 0 [pid 3824] close(3 [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 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 3843 attached [pid 3824] <... close resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3839] <... pwrite64 resumed>) = 102 [pid 3828] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3824] close(3 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3843] <... prctl resumed>) = 0 [pid 3839] pwrite64(3, NULL, 0, 1248 [pid 3828] ioctl(4, LOOP_CLR_FD [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3843] setpgid(0, 0 [pid 3624] close(3 [pid 3843] <... setpgid resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3839] <... pwrite64 resumed>) = 0 [pid 3824] close(4 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3843] <... openat resumed>) = 3 [pid 3839] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3843] write(3, "1000", 4 [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 13 [pid 3843] <... write resumed>) = 4 [pid 3843] close(3) = 0 [pid 3843] memfd_create("syzkaller", 0) = 3 [pid 3843] ftruncate(3, 135266304) = 0 [pid 3843] 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 3843] pwrite64(3, NULL, 0, 1248) = 0 [pid 3843] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3839] <... pwrite64 resumed>) = 9 [pid 3824] close(5 [pid 3843] pwrite64(3, NULL, 0, 1600 [pid 3839] pwrite64(3, NULL, 0, 1600 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 49.645606][ T3824] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 49.646073][ T3824] EXT4-fs (loop0): get root inode failed [ 49.646086][ T3824] EXT4-fs (loop0): mount failed ./strace-static-x86_64: Process 3845 attached [pid 3843] <... pwrite64 resumed>) = 0 [pid 3843] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3839] <... pwrite64 resumed>) = 0 [pid 3824] close(6 [pid 3845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3843] <... pwrite64 resumed>) = 9 [pid 3843] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3843] pwrite64(3, NULL, 0, 26624) = 0 [pid 3843] pwrite64(3, NULL, 0, 36864) = 0 [pid 3843] pwrite64(3, NULL, 0, 4194300) = 0 [pid 3843] pwrite64(3, NULL, 0, 69888) = 0 [pid 3843] pwrite64(3, NULL, 0, 71040) = 0 [pid 3843] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 3843] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3843] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3845] <... prctl resumed>) = 0 [pid 3839] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3843] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3845] setpgid(0, 0 [pid 3839] <... pwrite64 resumed>) = 9 [pid 3828] <... ioctl resumed>) = 0 [pid 3824] close(7 [pid 3845] <... setpgid resumed>) = 0 [pid 3839] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3828] close(4 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3824] close(8 [pid 3828] <... close resumed>) = 0 [pid 3839] <... pwrite64 resumed>) = 8 [pid 3845] <... openat resumed>) = 3 [pid 3839] pwrite64(3, NULL, 0, 26624 [pid 3828] close(3 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [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 3839] <... pwrite64 resumed>) = 0 [pid 3828] <... close resumed>) = 0 [pid 3824] close(9 [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 [pid 3839] pwrite64(3, NULL, 0, 36864 [pid 3828] close(3 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... pwrite64 resumed>) = 102 [pid 3839] <... pwrite64 resumed>) = 0 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] close(10 [pid 3845] pwrite64(3, NULL, 0, 1248 [pid 3839] pwrite64(3, NULL, 0, 4194300 [pid 3828] close(4 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... pwrite64 resumed>) = 0 [pid 3839] <... pwrite64 resumed>) = 0 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] close(11 [ 49.698843][ T3828] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 49.699288][ T3828] EXT4-fs (loop2): get root inode failed [ 49.699301][ T3828] EXT4-fs (loop2): mount failed [ 49.734073][ T3843] loop3: detected capacity change from 0 to 264192 [pid 3839] pwrite64(3, NULL, 0, 69888 [pid 3828] close(5 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3843] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3839] <... pwrite64 resumed>) = 0 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] close(12 [pid 3845] pwrite64(3, NULL, 0, 1600 [pid 3843] ioctl(4, LOOP_CLR_FD [pid 3845] <... pwrite64 resumed>) = 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, 4194300) = 0 [pid 3845] pwrite64(3, NULL, 0, 69888) = 0 [pid 3845] pwrite64(3, NULL, 0, 71040) = 0 [pid 3839] pwrite64(3, NULL, 0, 71040 [pid 3828] close(6 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3839] <... pwrite64 resumed>) = 0 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] <... openat resumed>) = 4 [pid 3824] close(13 [pid 3845] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3839] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3828] close(7 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3845] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3839] <... openat resumed>) = 4 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] close(14 [pid 3839] ioctl(4, LOOP_SET_FD, 3 [pid 3828] close(8 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] <... ioctl resumed>) = 0 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] close(15 [pid 3839] mkdir("./file0", 0777 [pid 3828] close(9 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] close(16 [pid 3843] <... ioctl resumed>) = 0 [pid 3839] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3828] close(10 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3843] close(4) = 0 [pid 3843] close(3) = 0 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] close(17 [pid 3843] close(3 [pid 3828] close(11 [pid 3843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3843] close(4) = -1 EBADF (Bad file descriptor) [pid 3843] close(5) = -1 EBADF (Bad file descriptor) [pid 3843] close(6 [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 49.767837][ T3843] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 49.768275][ T3843] EXT4-fs (loop3): get root inode failed [ 49.768290][ T3843] EXT4-fs (loop3): mount failed [ 49.795720][ T3845] loop4: detected capacity change from 0 to 264192 [ 49.816582][ T3839] loop1: detected capacity change from 0 to 264192 [pid 3843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] close(12 [pid 3824] close(18 [pid 3843] close(7) = -1 EBADF (Bad file descriptor) [pid 3843] close(8) = -1 EBADF (Bad file descriptor) [pid 3843] close(9) = -1 EBADF (Bad file descriptor) [pid 3843] close(10) = -1 EBADF (Bad file descriptor) [pid 3843] close(11) = -1 EBADF (Bad file descriptor) [pid 3843] close(12) = -1 EBADF (Bad file descriptor) [pid 3843] close(13) = -1 EBADF (Bad file descriptor) [pid 3843] close(14) = -1 EBADF (Bad file descriptor) [pid 3843] close(15) = -1 EBADF (Bad file descriptor) [pid 3843] close(16) = -1 EBADF (Bad file descriptor) [pid 3843] close(17) = -1 EBADF (Bad file descriptor) [pid 3843] close(18) = -1 EBADF (Bad file descriptor) [pid 3843] close(19) = -1 EBADF (Bad file descriptor) [pid 3843] close(20) = -1 EBADF (Bad file descriptor) [pid 3843] close(21) = -1 EBADF (Bad file descriptor) [pid 3843] close(22) = -1 EBADF (Bad file descriptor) [pid 3843] close(23) = -1 EBADF (Bad file descriptor) [pid 3843] close(24) = -1 EBADF (Bad file descriptor) [pid 3843] close(25) = -1 EBADF (Bad file descriptor) [pid 3843] close(26) = -1 EBADF (Bad file descriptor) [pid 3843] close(27) = -1 EBADF (Bad file descriptor) [pid 3843] close(28) = -1 EBADF (Bad file descriptor) [pid 3843] close(29) = -1 EBADF (Bad file descriptor) [pid 3843] exit_group(0) = ? [pid 3845] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3843] +++ exited with 0 +++ [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3845] ioctl(4, LOOP_CLR_FD [pid 3828] close(13 [pid 3824] close(19 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] close(14 [pid 3824] close(20 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] close(15 [pid 3824] close(21 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] close(16 [pid 3824] close(22 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3839] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3828] close(17 [pid 3824] close(23 [pid 3629] <... openat resumed>) = 3 [pid 3839] ioctl(4, LOOP_CLR_FD [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3629] close(3 [pid 3828] close(18 [pid 3824] close(24 [pid 3629] <... close resumed>) = 0 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] close(19 [pid 3824] close(25 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] close(20 [pid 3824] close(26 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] close(21 [pid 3824] close(27 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] close(22 [pid 3824] close(28 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] close(23 [pid 3824] close(29 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3824] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] close(24) = -1 EBADF (Bad file descriptor) [pid 3824] exit_group(0 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3828] close(25 [pid 3824] <... exit_group resumed>) = ? [ 49.835419][ T3845] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 49.835834][ T3845] EXT4-fs (loop4): get root inode failed [ 49.835847][ T3845] EXT4-fs (loop4): mount failed [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 16 ./strace-static-x86_64: Process 3852 attached [pid 3828] close(26 [pid 3824] +++ exited with 0 +++ [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3828] close(27 [pid 3845] <... ioctl resumed>) = 0 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3828] close(28 [pid 3845] close(4 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] restart_syscall(<... resuming interrupted clone ...> [pid 3828] close(29 [pid 3845] <... close resumed>) = 0 [pid 3828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... restart_syscall resumed>) = 0 [pid 3845] close(3 [pid 3828] exit_group(0 [pid 3845] <... close resumed>) = 0 [pid 3828] <... exit_group resumed>) = ? [pid 3845] close(3 [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3845] close(4 [pid 3828] +++ exited with 0 +++ [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3852] <... prctl resumed>) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3852] setpgid(0, 0 [pid 3845] close(5 [pid 3626] close(3 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3852] <... setpgid resumed>) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... close resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3845] close(6 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] <... openat resumed>) = 3 [pid 3852] <... openat resumed>) = 3 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3852] write(3, "1000", 4 [pid 3845] close(7 [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 13 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3852] <... write resumed>) = 4 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] close(3 [pid 3852] close(3 [pid 3845] close(8 [pid 3625] <... close resumed>) = 0 [pid 3852] <... close resumed>) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3852] memfd_create("syzkaller", 0 [pid 3845] close(9 [pid 3852] <... memfd_create resumed>) = 3 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 14 [pid 3852] ftruncate(3, 135266304 [pid 3845] close(10 [pid 3852] <... ftruncate resumed>) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] 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 [pid 3845] close(11 [pid 3852] <... pwrite64 resumed>) = 102 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] pwrite64(3, NULL, 0, 1248 [pid 3845] close(12 [pid 3852] <... pwrite64 resumed>) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3854 attached [pid 3852] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3845] close(13./strace-static-x86_64: Process 3853 attached [pid 3854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3852] <... pwrite64 resumed>) = 9 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] <... prctl resumed>) = 0 [pid 3852] pwrite64(3, NULL, 0, 1600 [pid 3845] close(14 [pid 3854] setpgid(0, 0 [pid 3853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3852] <... pwrite64 resumed>) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] <... setpgid resumed>) = 0 [pid 3852] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3845] close(15 [pid 3854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3853] <... prctl resumed>) = 0 [pid 3852] <... pwrite64 resumed>) = 9 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] <... openat resumed>) = 3 [pid 3853] setpgid(0, 0 [pid 3852] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3845] close(16 [pid 3854] write(3, "1000", 4 [pid 3852] <... pwrite64 resumed>) = 8 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] <... setpgid resumed>) = 0 [pid 3854] <... write resumed>) = 4 [pid 3852] pwrite64(3, NULL, 0, 26624 [pid 3845] close(17 [pid 3854] close(3 [pid 3852] <... pwrite64 resumed>) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] <... close resumed>) = 0 [pid 3853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3852] pwrite64(3, NULL, 0, 36864 [pid 3845] close(18 [pid 3854] memfd_create("syzkaller", 0 [pid 3853] <... openat resumed>) = 3 [pid 3852] <... pwrite64 resumed>) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 49.862726][ T3839] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3854] <... memfd_create resumed>) = 3 [pid 3853] write(3, "1000", 4 [pid 3852] pwrite64(3, NULL, 0, 4194300 [pid 3845] close(19 [pid 3854] ftruncate(3, 135266304 [pid 3852] <... pwrite64 resumed>) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] <... ftruncate resumed>) = 0 [pid 3852] pwrite64(3, NULL, 0, 69888 [pid 3845] close(20 [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 [pid 3852] <... pwrite64 resumed>) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] <... pwrite64 resumed>) = 102 [pid 3853] <... write resumed>) = 4 [pid 3852] pwrite64(3, NULL, 0, 71040 [pid 3845] close(21 [pid 3854] pwrite64(3, NULL, 0, 1248 [pid 3852] <... pwrite64 resumed>) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] <... pwrite64 resumed>) = 0 [pid 3852] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3845] close(22 [pid 3854] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3852] <... openat resumed>) = 4 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] <... pwrite64 resumed>) = 9 [pid 3852] ioctl(4, LOOP_SET_FD, 3 [pid 3845] close(23 [pid 3854] pwrite64(3, NULL, 0, 1600 [pid 3852] <... ioctl resumed>) = 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] <... pwrite64 resumed>) = 0 [pid 3853] close(3 [pid 3852] mkdir("./file0", 0777 [pid 3845] close(24 [pid 3839] <... ioctl resumed>) = 0 [pid 3854] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3853] <... close resumed>) = 0 [pid 3852] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] close(4 [pid 3854] <... pwrite64 resumed>) = 9 [pid 3852] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3845] close(25 [pid 3839] <... close resumed>) = 0 [pid 3854] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3853] memfd_create("syzkaller", 0 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] close(3 [pid 3854] <... pwrite64 resumed>) = 8 [pid 3845] close(26 [pid 3839] <... close resumed>) = 0 [pid 3854] pwrite64(3, NULL, 0, 26624 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] close(3 [pid 3854] <... pwrite64 resumed>) = 0 [pid 3845] close(27 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] pwrite64(3, NULL, 0, 36864 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] close(4 [pid 3854] <... pwrite64 resumed>) = 0 [pid 3845] close(28 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] pwrite64(3, NULL, 0, 4194300 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] close(5 [pid 3854] <... pwrite64 resumed>) = 0 [pid 3845] close(29 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] pwrite64(3, NULL, 0, 69888 [pid 3845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] close(6 [pid 3854] <... pwrite64 resumed>) = 0 [pid 3853] <... memfd_create resumed>) = 3 [pid 3845] exit_group(0 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] pwrite64(3, NULL, 0, 71040 [pid 3853] ftruncate(3, 135266304 [pid 3845] <... exit_group resumed>) = ? [pid 3839] close(7 [pid 3854] <... pwrite64 resumed>) = 0 [pid 3853] <... ftruncate resumed>) = 0 [pid 3845] +++ exited with 0 +++ [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3839] close(8 [pid 3853] 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 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3854] <... openat resumed>) = 4 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] ioctl(4, LOOP_SET_FD, 3 [pid 3839] close(9 [pid 3854] <... ioctl resumed>) = 0 [pid 3853] <... pwrite64 resumed>) = 102 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] mkdir("./file0", 0777 [pid 3853] pwrite64(3, NULL, 0, 1248 [pid 3839] close(10 [pid 3854] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3853] <... pwrite64 resumed>) = 0 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3853] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3839] close(11 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3853] <... pwrite64 resumed>) = 9 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... openat resumed>) = 3 [pid 3853] pwrite64(3, NULL, 0, 1600 [pid 3839] close(12 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3853] <... pwrite64 resumed>) = 0 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3853] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3839] close(13 [pid 3624] close(3 [pid 3853] <... pwrite64 resumed>) = 9 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3853] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3839] close(14 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3853] <... pwrite64 resumed>) = 8 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] pwrite64(3, NULL, 0, 26624 [pid 3839] close(15 [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 14 [pid 3853] <... pwrite64 resumed>) = 0 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 49.863155][ T3839] EXT4-fs (loop1): get root inode failed [ 49.863168][ T3839] EXT4-fs (loop1): mount failed [ 49.903441][ T3656] I/O error, dev loop4, sector 264064 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0 [pid 3853] pwrite64(3, NULL, 0, 36864 [pid 3852] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3839] close(16 [pid 3854] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3853] <... pwrite64 resumed>) = 0 [pid 3852] ioctl(4, LOOP_CLR_FD [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] ioctl(4, LOOP_CLR_FD [pid 3852] <... ioctl resumed>) = 0 [pid 3839] close(17./strace-static-x86_64: Process 3857 attached [pid 3853] pwrite64(3, NULL, 0, 4194300 [pid 3852] close(4 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3853] <... pwrite64 resumed>) = 0 [pid 3852] <... close resumed>) = 0 [pid 3839] close(18 [pid 3857] <... prctl resumed>) = 0 [pid 3853] pwrite64(3, NULL, 0, 69888 [pid 3852] close(3 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] setpgid(0, 0 [pid 3853] <... pwrite64 resumed>) = 0 [pid 3852] <... close resumed>) = 0 [pid 3839] close(19 [pid 3857] <... setpgid resumed>) = 0 [pid 3853] pwrite64(3, NULL, 0, 71040 [pid 3852] close(3 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3853] <... pwrite64 resumed>) = 0 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] close(20 [pid 3857] <... openat resumed>) = 3 [pid 3853] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3852] close(4 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 49.948866][ T3852] loop3: detected capacity change from 0 to 264192 [pid 3857] write(3, "1000", 4 [pid 3853] <... openat resumed>) = 4 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] close(21 [pid 3857] <... write resumed>) = 4 [pid 3853] ioctl(4, LOOP_SET_FD, 3 [pid 3852] close(5 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] close(3 [pid 3853] <... ioctl resumed>) = 0 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] close(22 [pid 3857] <... close resumed>) = 0 [pid 3853] mkdir("./file0", 0777 [pid 3852] close(6 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] memfd_create("syzkaller", 0 [pid 3853] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] close(23 [pid 3857] <... memfd_create resumed>) = 3 [pid 3852] close(7 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] ftruncate(3, 135266304 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] close(24 [pid 3857] <... ftruncate resumed>) = 0 [pid 3852] close(8 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [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 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] close(25 [pid 3857] <... pwrite64 resumed>) = 102 [pid 3853] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3852] close(9 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] pwrite64(3, NULL, 0, 1248 [pid 3854] <... ioctl resumed>) = 0 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] close(26 [pid 3857] <... pwrite64 resumed>) = 0 [pid 3854] close(4 [pid 3852] close(10 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3854] <... close resumed>) = 0 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] close(27 [pid 3857] <... pwrite64 resumed>) = 9 [pid 3854] close(3 [pid 3852] close(11 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] pwrite64(3, NULL, 0, 1600 [pid 3854] <... close resumed>) = 0 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] close(28 [pid 3857] <... pwrite64 resumed>) = 0 [pid 3854] close(3 [pid 3852] close(12 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] close(29 [pid 3857] <... pwrite64 resumed>) = 9 [pid 3854] close(4 [pid 3853] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3852] close(13 [pid 3839] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] ioctl(4, LOOP_CLR_FD [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] exit_group(0 [pid 3857] <... pwrite64 resumed>) = 8 [pid 3854] close(5 [pid 3853] <... ioctl resumed>) = 0 [pid 3852] close(14 [pid 3839] <... exit_group resumed>) = ? [pid 3857] pwrite64(3, NULL, 0, 26624 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 49.987440][ T3854] loop2: detected capacity change from 0 to 264192 [ 50.002779][ T3852] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3853] close(4 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3839] +++ exited with 0 +++ [pid 3857] <... pwrite64 resumed>) = 0 [pid 3854] close(6 [pid 3853] <... close resumed>) = 0 [pid 3852] close(15 [pid 3857] pwrite64(3, NULL, 0, 36864 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] close(3 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3857] <... pwrite64 resumed>) = 0 [pid 3854] close(7 [pid 3853] <... close resumed>) = 0 [pid 3852] close(16 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3857] pwrite64(3, NULL, 0, 4194300 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] close(3 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... pwrite64 resumed>) = 0 [pid 3854] close(8 [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] close(17 [pid 3627] <... openat resumed>) = 3 [pid 3857] pwrite64(3, NULL, 0, 69888 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] close(4 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3857] <... pwrite64 resumed>) = 0 [pid 3854] close(9 [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] close(18 [pid 3857] pwrite64(3, NULL, 0, 71040 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] close(5 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3857] <... pwrite64 resumed>) = 0 [pid 3854] close(10 [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] close(19 [pid 3627] close(3 [pid 3857] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] close(6 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 3857] <... openat resumed>) = 4 [pid 3854] close(11 [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] close(20 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3857] ioctl(4, LOOP_SET_FD, 3 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] close(7 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... ioctl resumed>) = 0 [pid 3854] close(12 [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] close(21./strace-static-x86_64: Process 3862 attached [pid 3857] mkdir("./file0", 0777 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] close(8 [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 13 [pid 3862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3857] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3854] close(13 [pid 3852] close(22 [pid 3862] <... prctl resumed>) = 0 [pid 3857] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] setpgid(0, 0 [pid 3854] close(14 [pid 3853] close(9 [pid 3852] close(23 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] close(15 [pid 3852] close(24 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] close(16 [pid 3852] close(25 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] close(17 [pid 3852] close(26 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] close(18 [pid 3852] close(27 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] <... setpgid resumed>) = 0 [pid 3854] close(19 [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] close(28 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3854] close(20 [pid 3853] close(10 [pid 3852] close(29 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] write(3, "1000", 4 [pid 3854] close(21 [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] exit_group(0 [pid 3862] <... write resumed>) = 4 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] close(11 [pid 3852] <... exit_group resumed>) = ? [pid 3862] close(3 [pid 3854] close(22 [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3852] +++ exited with 0 +++ [pid 3857] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3862] <... close resumed>) = 0 [pid 3857] ioctl(4, LOOP_CLR_FD [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] close(12 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3862] memfd_create("syzkaller", 0 [pid 3857] <... ioctl resumed>) = 0 [pid 3854] close(23 [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] restart_syscall(<... resuming interrupted clone ...> [pid 3862] <... memfd_create resumed>) = 3 [pid 3857] close(4 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] close(13 [pid 3629] <... restart_syscall resumed>) = 0 [pid 3862] ftruncate(3, 135266304 [pid 3857] <... close resumed>) = 0 [ 50.003210][ T3852] EXT4-fs (loop3): get root inode failed [ 50.003223][ T3852] EXT4-fs (loop3): mount failed [pid 3854] close(24 [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] <... ftruncate resumed>) = 0 [pid 3857] close(3 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] close(14 [pid 3862] 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 [pid 3857] <... close resumed>) = 0 [pid 3854] close(25 [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3862] <... pwrite64 resumed>) = 102 [pid 3857] close(3 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] close(15 [pid 3629] <... openat resumed>) = 3 [pid 3862] pwrite64(3, NULL, 0, 1248 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] close(26 [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3862] <... pwrite64 resumed>) = 0 [pid 3857] close(4 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] close(16 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3862] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] close(27 [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] close(3 [pid 3862] <... pwrite64 resumed>) = 9 [pid 3857] close(5 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] close(17 [pid 3629] <... close resumed>) = 0 [pid 3862] pwrite64(3, NULL, 0, 1600 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] close(28 [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3862] <... pwrite64 resumed>) = 0 [pid 3857] close(6 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] close(18 [pid 3862] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] close(29 [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 17 [pid 3862] <... pwrite64 resumed>) = 9 [pid 3857] close(7 [pid 3854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] close(19./strace-static-x86_64: Process 3865 attached [pid 3862] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] exit_group(0 [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] <... pwrite64 resumed>) = 8 [pid 3857] close(8 [pid 3854] <... exit_group resumed>) = ? [pid 3853] close(20 [pid 3862] pwrite64(3, NULL, 0, 26624 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3854] +++ exited with 0 +++ [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3862] <... pwrite64 resumed>) = 0 [pid 3857] close(9 [pid 3853] close(21 [pid 3865] <... prctl resumed>) = 0 [pid 3862] pwrite64(3, NULL, 0, 36864 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3865] setpgid(0, 0 [pid 3862] <... pwrite64 resumed>) = 0 [ 50.020442][ T3854] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3857] close(10 [pid 3853] close(22 [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3865] <... setpgid resumed>) = 0 [pid 3862] pwrite64(3, NULL, 0, 4194300 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... restart_syscall resumed>) = 0 [pid 3865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3862] <... pwrite64 resumed>) = 0 [pid 3857] close(11 [pid 3853] close(23 [pid 3865] <... openat resumed>) = 3 [pid 3862] pwrite64(3, NULL, 0, 69888 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] write(3, "1000", 4 [pid 3862] <... pwrite64 resumed>) = 0 [pid 3857] close(12 [pid 3853] close(24 [pid 3865] <... write resumed>) = 4 [pid 3862] pwrite64(3, NULL, 0, 71040 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3865] close(3 [pid 3862] <... pwrite64 resumed>) = 0 [pid 3857] close(13 [pid 3853] close(25 [pid 3625] <... openat resumed>) = 3 [pid 3865] <... close resumed>) = 0 [pid 3862] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3865] memfd_create("syzkaller", 0 [pid 3857] close(14 [pid 3853] close(26 [pid 3862] <... openat resumed>) = 4 [pid 3865] <... memfd_create resumed>) = 3 [pid 3862] ioctl(4, LOOP_SET_FD, 3 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 50.020887][ T3854] EXT4-fs (loop2): get root inode failed [ 50.020901][ T3854] EXT4-fs (loop2): mount failed [ 50.057097][ T3853] loop0: detected capacity change from 0 to 264192 [ 50.111938][ T3853] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3865] ftruncate(3, 135266304 [pid 3862] <... ioctl resumed>) = 0 [pid 3857] close(15 [pid 3853] close(27 [pid 3625] close(3 [pid 3865] <... ftruncate resumed>) = 0 [pid 3862] mkdir("./file0", 0777 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 3865] 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 [pid 3862] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3857] close(16 [pid 3853] close(28 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3865] <... pwrite64 resumed>) = 102 [pid 3862] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3865] pwrite64(3, NULL, 0, 1248 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 15 [pid 3865] <... pwrite64 resumed>) = 0 [pid 3865] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 ./strace-static-x86_64: Process 3866 attached [pid 3865] pwrite64(3, NULL, 0, 1600 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] <... pwrite64 resumed>) = 0 [pid 3865] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3865] <... pwrite64 resumed>) = 9 [pid 3857] close(17 [pid 3853] close(29 [pid 3865] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3865] pwrite64(3, NULL, 0, 26624 [pid 3866] <... prctl resumed>) = 0 [pid 3865] <... pwrite64 resumed>) = 0 [ 50.112714][ T3853] EXT4-fs (loop0): get root inode failed [ 50.112730][ T3853] EXT4-fs (loop0): mount failed [ 50.154481][ T3857] loop4: detected capacity change from 0 to 264192 [ 50.212891][ T3857] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 50.213350][ T3857] EXT4-fs (loop4): get root inode failed [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] setpgid(0, 0 [pid 3865] pwrite64(3, NULL, 0, 36864 [pid 3857] close(18 [pid 3853] exit_group(0 [pid 3866] <... setpgid resumed>) = 0 [pid 3865] <... pwrite64 resumed>) = 0 [pid 3865] pwrite64(3, NULL, 0, 4194300) = 0 [pid 3865] pwrite64(3, NULL, 0, 69888) = 0 [pid 3865] pwrite64(3, NULL, 0, 71040) = 0 [pid 3866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3865] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] <... exit_group resumed>) = ? [pid 3866] <... openat resumed>) = 3 [pid 3865] <... openat resumed>) = 4 [pid 3857] close(19 [pid 3866] write(3, "1000", 4 [pid 3865] ioctl(4, LOOP_SET_FD, 3 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3853] +++ exited with 0 +++ [pid 3866] <... write resumed>) = 4 [pid 3865] <... ioctl resumed>) = 0 [pid 3857] close(20 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3866] close(3 [pid 3865] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3865] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3866] <... close resumed>) = 0 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 50.213363][ T3857] EXT4-fs (loop4): mount failed [ 50.326731][ T3862] loop1: detected capacity change from 0 to 264192 [ 50.441675][ T3865] loop3: detected capacity change from 0 to 264192 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3866] memfd_create("syzkaller", 0 [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3626] close(3) = 0 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 14 [pid 3857] close(21) = -1 EBADF (Bad file descriptor) [pid 3866] <... memfd_create resumed>) = 3 [pid 3862] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3866] ftruncate(3, 135266304 [pid 3862] ioctl(4, LOOP_CLR_FD [pid 3857] close(22./strace-static-x86_64: Process 3869 attached [pid 3866] <... ftruncate resumed>) = 0 [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 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] <... openat resumed>) = 3 [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 [pid 3857] close(23 [pid 3869] write(3, "1000", 4) = 4 [pid 3869] close(3) = 0 [pid 3869] memfd_create("syzkaller", 0) = 3 [pid 3866] <... pwrite64 resumed>) = 102 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] ftruncate(3, 135266304 [pid 3866] pwrite64(3, NULL, 0, 1248 [pid 3857] close(24 [pid 3869] <... ftruncate resumed>) = 0 [pid 3866] <... pwrite64 resumed>) = 0 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [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 [pid 3866] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3857] close(25 [pid 3869] <... pwrite64 resumed>) = 102 [pid 3866] <... pwrite64 resumed>) = 9 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] pwrite64(3, NULL, 0, 1248 [pid 3866] pwrite64(3, NULL, 0, 1600 [pid 3857] close(26 [pid 3869] <... pwrite64 resumed>) = 0 [pid 3866] <... pwrite64 resumed>) = 0 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3866] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3865] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3857] close(27 [pid 3869] <... pwrite64 resumed>) = 9 [ 50.456524][ T3862] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 50.456988][ T3862] EXT4-fs (loop1): get root inode failed [pid 3866] <... pwrite64 resumed>) = 9 [pid 3865] ioctl(4, LOOP_CLR_FD [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] pwrite64(3, NULL, 0, 1600 [pid 3866] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3865] <... ioctl resumed>) = 0 [pid 3862] <... ioctl resumed>) = 0 [pid 3857] close(28 [pid 3869] <... pwrite64 resumed>) = 0 [pid 3862] close(4 [pid 3869] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3862] <... close resumed>) = 0 [pid 3869] <... pwrite64 resumed>) = 9 [pid 3862] close(3 [pid 3869] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3862] <... close resumed>) = 0 [pid 3869] <... pwrite64 resumed>) = 8 [pid 3862] close(3 [pid 3869] pwrite64(3, NULL, 0, 26624 [pid 3866] <... pwrite64 resumed>) = 8 [pid 3865] close(4 [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] <... pwrite64 resumed>) = 0 [pid 3862] close(4 [pid 3866] pwrite64(3, NULL, 0, 26624 [pid 3869] pwrite64(3, NULL, 0, 36864 [pid 3866] <... pwrite64 resumed>) = 0 [pid 3865] <... close resumed>) = 0 [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] close(29 [pid 3869] <... pwrite64 resumed>) = 0 [pid 3866] pwrite64(3, NULL, 0, 36864 [pid 3865] close(3 [pid 3862] close(5 [pid 3857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] pwrite64(3, NULL, 0, 4194300 [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] exit_group(0 [pid 3869] <... pwrite64 resumed>) = 0 [pid 3862] close(6 [pid 3869] pwrite64(3, NULL, 0, 69888 [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] <... pwrite64 resumed>) = 0 [pid 3862] close(7 [pid 3869] pwrite64(3, NULL, 0, 71040 [pid 3866] <... pwrite64 resumed>) = 0 [pid 3865] <... close resumed>) = 0 [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] <... exit_group resumed>) = ? [pid 3869] <... pwrite64 resumed>) = 0 [pid 3866] pwrite64(3, NULL, 0, 4194300 [pid 3865] close(3 [pid 3862] close(8 [pid 3869] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3866] <... pwrite64 resumed>) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3857] +++ exited with 0 +++ [pid 3869] <... openat resumed>) = 4 [pid 3866] pwrite64(3, NULL, 0, 69888 [pid 3865] close(4 [pid 3862] close(9 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3869] ioctl(4, LOOP_SET_FD, 3 [pid 3866] <... pwrite64 resumed>) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] <... ioctl resumed>) = 0 [pid 3866] pwrite64(3, NULL, 0, 71040 [pid 3865] close(5 [pid 3862] close(10 [ 50.457001][ T3862] EXT4-fs (loop1): mount failed [ 50.510119][ T3865] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 50.510581][ T3865] EXT4-fs (loop3): get root inode failed [ 50.510595][ T3865] EXT4-fs (loop3): mount failed [pid 3869] mkdir("./file0", 0777 [pid 3866] <... pwrite64 resumed>) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3862] close(11 [pid 3869] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3865] close(6 [pid 3862] close(12 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3866] <... openat resumed>) = 4 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... openat resumed>) = 3 [pid 3869] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3866] ioctl(4, LOOP_SET_FD, 3 [pid 3865] close(7 [pid 3862] close(13 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3869] ioctl(4, LOOP_CLR_FD [pid 3866] <... ioctl resumed>) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3862] close(14 [pid 3624] close(3 [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3862] close(15 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] close(16 [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 15 [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] close(17) = -1 EBADF (Bad file descriptor) [pid 3862] close(18) = -1 EBADF (Bad file descriptor) [pid 3862] close(19) = -1 EBADF (Bad file descriptor) [pid 3862] close(20) = -1 EBADF (Bad file descriptor) [pid 3862] close(21) = -1 EBADF (Bad file descriptor) [pid 3862] close(22./strace-static-x86_64: Process 3874 attached ) = -1 EBADF (Bad file descriptor) [pid 3874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3866] mkdir("./file0", 0777 [pid 3865] close(8 [pid 3862] close(23 [pid 3874] <... prctl resumed>) = 0 [pid 3866] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 50.596881][ T3869] loop0: detected capacity change from 0 to 264192 [ 50.620359][ T3869] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3874] setpgid(0, 0 [pid 3866] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3865] close(9 [pid 3862] close(24 [pid 3874] <... setpgid resumed>) = 0 [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3865] close(10 [pid 3862] close(25 [pid 3874] <... openat resumed>) = 3 [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] write(3, "1000", 4 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] close(26 [pid 3874] <... write resumed>) = 4 [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] close(3 [pid 3862] close(27 [pid 3874] <... close resumed>) = 0 [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] memfd_create("syzkaller", 0 [pid 3865] close(11 [pid 3862] close(28 [pid 3874] <... memfd_create resumed>) = 3 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] ftruncate(3, 135266304 [pid 3869] <... ioctl resumed>) = 0 [pid 3865] close(12 [pid 3862] close(29 [pid 3874] <... ftruncate resumed>) = 0 [pid 3869] close(4 [pid 3862] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] 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 [pid 3869] <... close resumed>) = 0 [pid 3862] exit_group(0 [pid 3874] <... pwrite64 resumed>) = 102 [pid 3869] close(3 [pid 3862] <... exit_group resumed>) = ? [pid 3874] pwrite64(3, NULL, 0, 1248 [pid 3869] <... close resumed>) = 0 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3862] +++ exited with 0 +++ [pid 3874] <... pwrite64 resumed>) = 0 [pid 3869] close(3 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3874] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... pwrite64 resumed>) = 9 [pid 3869] close(4 [pid 3874] pwrite64(3, NULL, 0, 1600 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... pwrite64 resumed>) = 0 [pid 3869] close(5 [pid 3865] close(13 [pid 3874] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3874] <... pwrite64 resumed>) = 9 [pid 3869] close(6 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3874] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 3874] <... pwrite64 resumed>) = 8 [pid 3869] close(7 [pid 3866] ioctl(4, LOOP_CLR_FD [pid 3865] close(14 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3874] pwrite64(3, NULL, 0, 26624 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3874] <... pwrite64 resumed>) = 0 [pid 3869] close(8 [pid 3865] close(15 [ 50.620782][ T3869] EXT4-fs (loop0): get root inode failed [ 50.620796][ T3869] EXT4-fs (loop0): mount failed [ 50.627772][ T3866] loop2: detected capacity change from 0 to 264192 [ 50.689008][ T3866] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3627] close(3 [pid 3874] pwrite64(3, NULL, 0, 36864 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 3874] <... pwrite64 resumed>) = 0 [pid 3869] close(9 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3874] pwrite64(3, NULL, 0, 4194300 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] close(16 [pid 3874] <... pwrite64 resumed>) = 0 [pid 3869] close(10 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 14 [pid 3874] pwrite64(3, NULL, 0, 69888 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] close(17 [pid 3866] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 3877 attached [pid 3874] <... pwrite64 resumed>) = 0 [pid 3869] close(11 [pid 3866] close(4 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3874] pwrite64(3, NULL, 0, 71040 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] <... close resumed>) = 0 [pid 3865] close(18 [pid 3877] <... prctl resumed>) = 0 [pid 3874] <... pwrite64 resumed>) = 0 [pid 3869] close(12 [pid 3866] close(3 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] setpgid(0, 0 [pid 3874] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] <... close resumed>) = 0 [pid 3865] close(19 [pid 3877] <... setpgid resumed>) = 0 [pid 3874] <... openat resumed>) = 4 [pid 3869] close(13 [pid 3866] close(3 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3874] ioctl(4, LOOP_SET_FD, 3 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... openat resumed>) = 3 [pid 3874] <... ioctl resumed>) = 0 [pid 3869] close(14 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] close(20 [pid 3877] write(3, "1000", 4 [pid 3874] mkdir("./file0", 0777 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... write resumed>) = 4 [pid 3874] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3869] close(15 [pid 3877] close(3 [pid 3874] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... close resumed>) = 0 [pid 3869] close(16 [pid 3866] close(4 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] memfd_create("syzkaller", 0 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] close(21 [pid 3877] <... memfd_create resumed>) = 3 [pid 3869] close(17 [pid 3866] close(5 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] ftruncate(3, 135266304 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] close(22 [pid 3877] <... ftruncate resumed>) = 0 [pid 3869] close(18 [pid 3866] close(6 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] 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 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] close(23 [pid 3877] <... pwrite64 resumed>) = 102 [pid 3869] close(19 [pid 3866] close(7 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] pwrite64(3, NULL, 0, 1248 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... pwrite64 resumed>) = 0 [pid 3869] close(20 [pid 3877] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... pwrite64 resumed>) = 9 [pid 3869] close(21 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] close(24 [pid 3877] pwrite64(3, NULL, 0, 1600 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(8 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... pwrite64 resumed>) = 0 [pid 3869] close(22 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] close(25 [pid 3877] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(9 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... pwrite64 resumed>) = 9 [pid 3869] close(23 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] close(26 [pid 3877] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(10 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 50.689421][ T3866] EXT4-fs (loop2): get root inode failed [ 50.689434][ T3866] EXT4-fs (loop2): mount failed [ 50.753211][ T3874] loop4: detected capacity change from 0 to 264192 [pid 3877] <... pwrite64 resumed>) = 8 [pid 3869] close(24 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] close(27 [pid 3877] pwrite64(3, NULL, 0, 26624 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(11 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... pwrite64 resumed>) = 0 [pid 3869] close(25 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] close(28 [pid 3877] pwrite64(3, NULL, 0, 36864 [pid 3866] close(12 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] close(29 [pid 3866] close(13 [pid 3865] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] exit_group(0 [pid 3866] close(14 [pid 3865] <... exit_group resumed>) = ? [pid 3877] <... pwrite64 resumed>) = 0 [pid 3869] close(26 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3865] +++ exited with 0 +++ [pid 3877] pwrite64(3, NULL, 0, 4194300 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... pwrite64 resumed>) = 0 [pid 3869] close(27 [pid 3877] pwrite64(3, NULL, 0, 69888 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... pwrite64 resumed>) = 0 [pid 3869] close(28 [pid 3877] pwrite64(3, NULL, 0, 71040 [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... pwrite64 resumed>) = 0 [pid 3869] close(29 [pid 3877] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] <... openat resumed>) = 4 [pid 3869] exit_group(0 [pid 3877] ioctl(4, LOOP_SET_FD, 3 [pid 3869] <... exit_group resumed>) = ? [pid 3877] <... ioctl resumed>) = 0 [pid 3874] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3869] +++ exited with 0 +++ [pid 3866] close(15 [pid 3877] mkdir("./file0", 0777 [pid 3874] ioctl(4, LOOP_CLR_FD [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3877] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3874] <... ioctl resumed>) = 0 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3877] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3874] close(4 [pid 3866] close(16 [pid 3629] restart_syscall(<... resuming interrupted clone ...> [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... restart_syscall resumed>) = 0 [pid 3866] close(17 [pid 3874] <... close resumed>) = 0 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3874] close(3 [pid 3866] close(18 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... openat resumed>) = 3 [pid 3874] <... close resumed>) = 0 [pid 3866] close(19 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3626] <... openat resumed>) = 3 [pid 3874] close(3 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(20 [pid 3629] close(3 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3874] close(4 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... close resumed>) = 0 [pid 3866] close(21 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(22 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 18 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(23) = -1 EBADF (Bad file descriptor) [pid 3874] close(5 [pid 3866] close(24 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] close(3 [pid 3874] close(6 [pid 3866] close(25 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... close resumed>) = 0 ./strace-static-x86_64: Process 3881 attached [pid 3874] close(7 [pid 3866] close(26 [pid 3881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3881] <... prctl resumed>) = 0 [pid 3874] close(8 [pid 3866] close(27 [pid 3881] setpgid(0, 0 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... setpgid resumed>) = 0 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(28 [pid 3881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3874] close(9 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 15 [pid 3881] <... openat resumed>) = 3 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] close(29 [pid 3881] write(3, "1000", 4 [pid 3874] close(10 [pid 3866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... write resumed>) = 4 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] exit_group(0 [pid 3881] close(3 [pid 3874] close(11 [pid 3866] <... exit_group resumed>) = ? [pid 3881] <... close resumed>) = 0 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3866] +++ exited with 0 +++ [pid 3881] memfd_create("syzkaller", 0 [pid 3874] close(12 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3881] <... memfd_create resumed>) = 3 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] ftruncate(3, 135266304 [pid 3874] close(13 [pid 3881] <... ftruncate resumed>) = 0 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] 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 [pid 3874] close(14 [pid 3881] <... pwrite64 resumed>) = 102 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] pwrite64(3, NULL, 0, 1248 [pid 3874] close(15 [pid 3881] <... pwrite64 resumed>) = 0 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3874] close(16 [pid 3881] pwrite64(3, NULL, 0, 1600 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 3883 attached [pid 3881] <... pwrite64 resumed>) = 0 [pid 3881] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3881] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3881] pwrite64(3, NULL, 0, 26624) = 0 [pid 3881] pwrite64(3, NULL, 0, 36864) = 0 [pid 3881] pwrite64(3, NULL, 0, 4194300) = 0 [pid 3881] pwrite64(3, NULL, 0, 69888) = 0 [pid 3881] pwrite64(3, NULL, 0, 71040) = 0 [pid 3881] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 3881] ioctl(4, LOOP_SET_FD, 3 [pid 3874] close(17 [pid 3625] <... openat resumed>) = 3 [ 50.805080][ T3874] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 50.805786][ T3874] EXT4-fs (loop4): get root inode failed [ 50.805800][ T3874] EXT4-fs (loop4): mount failed [ 50.821867][ T3877] loop1: detected capacity change from 0 to 264192 [pid 3883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3881] <... ioctl resumed>) = 0 [pid 3877] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3883] <... prctl resumed>) = 0 [pid 3881] mkdir("./file0", 0777 [pid 3877] ioctl(4, LOOP_CLR_FD [pid 3874] close(18 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3883] setpgid(0, 0 [pid 3881] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3883] <... setpgid resumed>) = 0 [pid 3881] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] close(3 [pid 3883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3874] close(19 [pid 3625] <... close resumed>) = 0 [pid 3883] <... openat resumed>) = 3 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3883] write(3, "1000", 4 [pid 3874] close(20 [pid 3883] <... write resumed>) = 4 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] close(3 [pid 3874] close(21 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 16 ./strace-static-x86_64: Process 3884 attached [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] <... close resumed>) = 0 [pid 3874] close(22 [pid 3884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3884] setpgid(0, 0) = 0 [pid 3883] memfd_create("syzkaller", 0 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] <... memfd_create resumed>) = 3 [pid 3883] ftruncate(3, 135266304 [pid 3874] close(23 [pid 3883] <... ftruncate resumed>) = 0 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] 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 [pid 3874] close(24 [pid 3884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3883] <... pwrite64 resumed>) = 102 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] pwrite64(3, NULL, 0, 1248 [pid 3874] close(25 [pid 3883] <... pwrite64 resumed>) = 0 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3874] close(26 [pid 3883] <... pwrite64 resumed>) = 9 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] <... openat resumed>) = 3 [pid 3883] pwrite64(3, NULL, 0, 1600 [pid 3874] close(27 [pid 3883] <... pwrite64 resumed>) = 0 [pid 3883] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] write(3, "1000", 4 [pid 3883] <... pwrite64 resumed>) = 9 [pid 3874] close(28 [pid 3884] <... write resumed>) = 4 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3884] close(3 [pid 3874] close(29 [pid 3884] <... close resumed>) = 0 [pid 3883] <... pwrite64 resumed>) = 8 [pid 3874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] memfd_create("syzkaller", 0 [pid 3883] pwrite64(3, NULL, 0, 26624 [pid 3874] exit_group(0 [pid 3884] <... memfd_create resumed>) = 3 [pid 3883] <... pwrite64 resumed>) = 0 [pid 3874] <... exit_group resumed>) = ? [pid 3884] ftruncate(3, 135266304 [pid 3883] pwrite64(3, NULL, 0, 36864 [pid 3884] <... ftruncate resumed>) = 0 [pid 3884] 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 3884] pwrite64(3, NULL, 0, 1248 [pid 3874] +++ exited with 0 +++ [pid 3884] <... pwrite64 resumed>) = 0 [pid 3883] <... pwrite64 resumed>) = 0 [pid 3884] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3883] pwrite64(3, NULL, 0, 4194300 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3884] pwrite64(3, NULL, 0, 1600 [pid 3883] <... pwrite64 resumed>) = 0 [pid 3884] <... pwrite64 resumed>) = 0 [pid 3883] pwrite64(3, NULL, 0, 69888 [pid 3884] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3883] <... pwrite64 resumed>) = 0 [pid 3884] <... pwrite64 resumed>) = 9 [pid 3883] pwrite64(3, NULL, 0, 71040 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3884] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3883] <... pwrite64 resumed>) = 0 [pid 3884] <... pwrite64 resumed>) = 8 [pid 3883] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3624] <... openat resumed>) = 3 [pid 3884] pwrite64(3, NULL, 0, 26624) = 0 [pid 3883] <... openat resumed>) = 4 [pid 3624] ioctl(3, LOOP_CLR_FD [ 50.870411][ T3877] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 50.871163][ T3877] EXT4-fs (loop1): get root inode failed [ 50.871178][ T3877] EXT4-fs (loop1): mount failed [pid 3884] pwrite64(3, NULL, 0, 36864 [pid 3883] ioctl(4, LOOP_SET_FD, 3 [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3884] <... pwrite64 resumed>) = 0 [pid 3884] pwrite64(3, NULL, 0, 4194300) = 0 [pid 3884] pwrite64(3, NULL, 0, 69888) = 0 [pid 3884] pwrite64(3, NULL, 0, 71040) = 0 [pid 3884] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 3884] ioctl(4, LOOP_SET_FD, 3 [pid 3883] <... ioctl resumed>) = 0 [pid 3884] <... ioctl resumed>) = 0 [pid 3883] mkdir("./file0", 0777 [pid 3877] <... ioctl resumed>) = 0 [pid 3624] close(3 [pid 3884] mkdir("./file0", 0777 [pid 3881] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3877] close(4 [pid 3884] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3881] ioctl(4, LOOP_CLR_FD [pid 3877] <... close resumed>) = 0 [pid 3884] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3883] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3881] <... ioctl resumed>) = 0 [pid 3877] close(3 [pid 3624] <... close resumed>) = 0 [pid 3883] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3881] close(4 [pid 3877] <... close resumed>) = 0 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3881] <... close resumed>) = 0 [pid 3877] close(3 [pid 3881] close(3 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = 0 [pid 3877] close(4 [pid 3881] close(3 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(5 [pid 3881] close(4 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(6 [pid 3881] close(5 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(7 [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 16 [pid 3881] close(6 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(8./strace-static-x86_64: Process 3887 attached [pid 3881] close(7 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 50.876672][ T3881] loop3: detected capacity change from 0 to 264192 [ 50.940468][ T3883] loop0: detected capacity change from 0 to 264192 [ 50.940773][ T3884] loop2: detected capacity change from 0 to 264192 [pid 3877] close(9 [pid 3887] <... prctl resumed>) = 0 [pid 3881] close(8 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] setpgid(0, 0 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(10 [pid 3887] <... setpgid resumed>) = 0 [pid 3881] close(9 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(11 [pid 3887] <... openat resumed>) = 3 [pid 3881] close(10 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] write(3, "1000", 4 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(12 [pid 3887] <... write resumed>) = 4 [pid 3881] close(11 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] close(3 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(13 [pid 3887] <... close resumed>) = 0 [pid 3881] close(12 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] memfd_create("syzkaller", 0 [pid 3884] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(14 [pid 3887] <... memfd_create resumed>) = 3 [pid 3884] ioctl(4, LOOP_CLR_FD [pid 3881] close(13 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] ftruncate(3, 135266304 [pid 3884] <... ioctl resumed>) = 0 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(15 [pid 3887] <... ftruncate resumed>) = 0 [pid 3884] close(4 [pid 3881] close(14 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] 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 [pid 3884] <... close resumed>) = 0 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(16 [pid 3887] <... pwrite64 resumed>) = 102 [pid 3884] close(3 [pid 3881] close(15 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] pwrite64(3, NULL, 0, 1248 [pid 3884] <... close resumed>) = 0 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(17 [pid 3887] <... pwrite64 resumed>) = 0 [pid 3884] close(3 [pid 3881] close(16 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(18 [pid 3887] <... pwrite64 resumed>) = 9 [pid 3884] close(4 [pid 3881] close(17 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] pwrite64(3, NULL, 0, 1600 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(19 [pid 3887] <... pwrite64 resumed>) = 0 [pid 3884] close(5 [pid 3881] close(18 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(20 [pid 3887] <... pwrite64 resumed>) = 9 [pid 3884] close(6 [pid 3881] close(19 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(21 [pid 3887] <... pwrite64 resumed>) = 8 [pid 3884] close(7 [pid 3881] close(20 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] pwrite64(3, NULL, 0, 26624 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(22 [pid 3887] <... pwrite64 resumed>) = 0 [pid 3884] close(8 [pid 3881] close(21 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] pwrite64(3, NULL, 0, 36864 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(23 [pid 3887] <... pwrite64 resumed>) = 0 [pid 3884] close(9 [pid 3881] close(22 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] pwrite64(3, NULL, 0, 4194300 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(24 [pid 3887] <... pwrite64 resumed>) = 0 [pid 3884] close(10 [pid 3883] ioctl(4, LOOP_CLR_FD [pid 3881] close(23 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] pwrite64(3, NULL, 0, 69888 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] <... ioctl resumed>) = 0 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(25 [pid 3887] <... pwrite64 resumed>) = 0 [pid 3884] close(11 [pid 3883] close(4 [pid 3881] close(24 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] pwrite64(3, NULL, 0, 71040 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] <... close resumed>) = 0 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(26 [pid 3887] <... pwrite64 resumed>) = 0 [pid 3884] close(12 [pid 3883] close(3 [pid 3881] close(25 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 50.940960][ T3881] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 50.942110][ T3881] EXT4-fs (loop3): get root inode failed [pid 3887] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] <... close resumed>) = 0 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(27 [pid 3887] <... openat resumed>) = 4 [pid 3884] close(13 [pid 3883] close(3 [pid 3881] close(26 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] ioctl(4, LOOP_SET_FD, 3 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(28 [pid 3887] <... ioctl resumed>) = 0 [pid 3884] close(14 [pid 3883] close(4 [pid 3881] close(27 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] mkdir("./file0", 0777 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3877] close(29 [pid 3887] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3884] close(15 [pid 3883] close(5 [pid 3881] close(28 [pid 3877] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3887] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 50.942122][ T3881] EXT4-fs (loop3): mount failed [pid 3877] exit_group(0 [pid 3884] close(16 [pid 3883] close(6 [pid 3881] close(29 [pid 3877] <... exit_group resumed>) = ? [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] close(7) = -1 EBADF (Bad file descriptor) [pid 3883] close(8) = -1 EBADF (Bad file descriptor) [pid 3883] close(9) = -1 EBADF (Bad file descriptor) [pid 3883] close(10) = -1 EBADF (Bad file descriptor) [pid 3883] close(11) = -1 EBADF (Bad file descriptor) [pid 3883] close(12 [pid 3881] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 50.995901][ T3884] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 50.996324][ T3884] EXT4-fs (loop2): get root inode failed [ 50.996338][ T3884] EXT4-fs (loop2): mount failed [pid 3884] close(17 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] exit_group(0 [pid 3877] +++ exited with 0 +++ [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3881] <... exit_group resumed>) = ? [pid 3884] close(18 [pid 3883] close(13 [pid 3881] +++ exited with 0 +++ [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3884] close(19) = -1 EBADF (Bad file descriptor) [pid 3884] close(20 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... openat resumed>) = 3 [pid 3884] close(21 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... ioctl resumed>) = 0 [pid 3884] close(22 [pid 3629] close(3 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... close resumed>) = 0 [pid 3884] close(23 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] close(14 [pid 3884] close(24 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 19 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] close(15 [pid 3884] close(25 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] close(16 [pid 3884] close(26 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3894 attached [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] close(17 [pid 3894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3884] close(27 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3883] close(18 [pid 3627] <... openat resumed>) = 3 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3883] close(19 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3884] close(28 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(3 [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] close(20 [pid 3627] <... close resumed>) = 0 [pid 3884] close(29 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3894] <... prctl resumed>) = 0 [pid 3887] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3884] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] close(21 [pid 3894] setpgid(0, 0 [pid 3887] ioctl(4, LOOP_CLR_FD [pid 3884] exit_group(0 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 15 [pid 3894] <... setpgid resumed>) = 0 [pid 3887] <... ioctl resumed>) = 0 [pid 3884] <... exit_group resumed>) = ? [pid 3883] close(22 [pid 3894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3887] close(4 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3895 attached [pid 3894] <... openat resumed>) = 3 [pid 3887] <... close resumed>) = 0 [pid 3884] +++ exited with 0 +++ [pid 3883] close(23 [pid 3895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3894] write(3, "1000", 4 [pid 3887] close(3 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3895] <... prctl resumed>) = 0 [pid 3894] <... write resumed>) = 4 [pid 3887] <... close resumed>) = 0 [pid 3883] close(24 [pid 3625] restart_syscall(<... resuming interrupted clone ...> [ 51.020514][ T3883] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 51.020915][ T3883] EXT4-fs (loop0): get root inode failed [ 51.020927][ T3883] EXT4-fs (loop0): mount failed [pid 3895] setpgid(0, 0 [pid 3894] close(3 [pid 3887] close(3 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... restart_syscall resumed>) = 0 [pid 3895] <... setpgid resumed>) = 0 [pid 3894] <... close resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] close(25 [pid 3895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3894] memfd_create("syzkaller", 0 [pid 3887] close(4 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... openat resumed>) = 3 [pid 3894] <... memfd_create resumed>) = 3 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] close(26 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3895] write(3, "1000", 4 [pid 3894] ftruncate(3, 135266304 [pid 3887] close(5 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... openat resumed>) = 3 [pid 3895] <... write resumed>) = 4 [pid 3894] <... ftruncate resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] close(27 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3895] close(3 [pid 3894] 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 [pid 3887] close(6 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3895] <... close resumed>) = 0 [pid 3894] <... pwrite64 resumed>) = 102 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] close(28 [pid 3625] close(3 [pid 3895] memfd_create("syzkaller", 0 [pid 3894] pwrite64(3, NULL, 0, 1248 [pid 3887] close(7 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 3895] <... memfd_create resumed>) = 3 [pid 3894] <... pwrite64 resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] close(29 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3895] ftruncate(3, 135266304 [pid 3894] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3887] close(8 [pid 3883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... ftruncate resumed>) = 0 [pid 3894] <... pwrite64 resumed>) = 9 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] exit_group(0 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 17 [pid 3895] 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 [pid 3894] pwrite64(3, NULL, 0, 1600 [pid 3887] close(9 [pid 3883] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 3896 attached [pid 3895] <... pwrite64 resumed>) = 102 [pid 3894] <... pwrite64 resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3883] +++ exited with 0 +++ [pid 3896] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3895] pwrite64(3, NULL, 0, 1248 [pid 3894] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3887] close(10 [pid 3896] <... prctl resumed>) = 0 [pid 3895] <... pwrite64 resumed>) = 0 [pid 3894] <... pwrite64 resumed>) = 9 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3896] setpgid(0, 0 [pid 3895] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3894] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3887] close(11 [pid 3626] restart_syscall(<... resuming interrupted clone ...> [pid 3896] <... setpgid resumed>) = 0 [pid 3895] <... pwrite64 resumed>) = 9 [pid 3894] <... pwrite64 resumed>) = 8 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... restart_syscall resumed>) = 0 [pid 3896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3895] pwrite64(3, NULL, 0, 1600 [pid 3894] pwrite64(3, NULL, 0, 26624 [pid 3887] close(12 [pid 3896] <... openat resumed>) = 3 [pid 3895] <... pwrite64 resumed>) = 0 [pid 3894] <... pwrite64 resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] write(3, "1000", 4 [pid 3895] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3894] pwrite64(3, NULL, 0, 36864 [pid 3887] close(13 [ 51.037352][ T3887] loop4: detected capacity change from 0 to 264192 [ 51.140143][ T3887] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3896] <... write resumed>) = 4 [pid 3895] <... pwrite64 resumed>) = 9 [pid 3894] <... pwrite64 resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3896] close(3 [pid 3895] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3894] pwrite64(3, NULL, 0, 4194300 [pid 3887] close(14 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3896] <... close resumed>) = 0 [pid 3895] <... pwrite64 resumed>) = 8 [pid 3894] <... pwrite64 resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3896] memfd_create("syzkaller", 0 [pid 3895] pwrite64(3, NULL, 0, 26624 [pid 3894] pwrite64(3, NULL, 0, 69888 [pid 3887] close(15 [pid 3626] close(3 [pid 3896] <... memfd_create resumed>) = 3 [pid 3895] <... pwrite64 resumed>) = 0 [pid 3894] <... pwrite64 resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... close resumed>) = 0 [pid 3896] ftruncate(3, 135266304 [pid 3895] pwrite64(3, NULL, 0, 36864 [pid 3894] pwrite64(3, NULL, 0, 71040 [pid 3887] close(16 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3896] <... ftruncate resumed>) = 0 [pid 3895] <... pwrite64 resumed>) = 0 [pid 3894] <... pwrite64 resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] 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 [pid 3895] pwrite64(3, NULL, 0, 4194300 [pid 3894] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3887] close(17 [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 16 [pid 3896] <... pwrite64 resumed>) = 102 [pid 3895] <... pwrite64 resumed>) = 0 [pid 3894] <... openat resumed>) = 4 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] pwrite64(3, NULL, 0, 1248 [pid 3895] pwrite64(3, NULL, 0, 69888 [pid 3894] ioctl(4, LOOP_SET_FD, 3 [pid 3887] close(18 [pid 3896] <... pwrite64 resumed>) = 0 [pid 3895] <... pwrite64 resumed>) = 0 [pid 3894] <... ioctl resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3895] pwrite64(3, NULL, 0, 71040 [pid 3894] mkdir("./file0", 0777 [pid 3887] close(19./strace-static-x86_64: Process 3897 attached [pid 3896] <... pwrite64 resumed>) = 9 [pid 3895] <... pwrite64 resumed>) = 0 [pid 3894] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3896] pwrite64(3, NULL, 0, 1600 [pid 3895] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3894] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3887] close(20 [pid 3897] <... prctl resumed>) = 0 [pid 3896] <... pwrite64 resumed>) = 0 [pid 3895] <... openat resumed>) = 4 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] setpgid(0, 0 [pid 3896] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3895] ioctl(4, LOOP_SET_FD, 3 [pid 3887] close(21 [pid 3897] <... setpgid resumed>) = 0 [pid 3896] <... pwrite64 resumed>) = 9 [pid 3895] <... ioctl resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3896] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3895] mkdir("./file0", 0777 [pid 3887] close(22 [pid 3897] <... openat resumed>) = 3 [pid 3896] <... pwrite64 resumed>) = 8 [pid 3895] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] write(3, "1000", 4 [pid 3896] pwrite64(3, NULL, 0, 26624 [pid 3895] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3887] close(23 [pid 3897] <... write resumed>) = 4 [pid 3896] <... pwrite64 resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] close(3 [pid 3896] pwrite64(3, NULL, 0, 36864 [pid 3887] close(24 [pid 3897] <... close resumed>) = 0 [pid 3896] <... pwrite64 resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] memfd_create("syzkaller", 0 [pid 3896] pwrite64(3, NULL, 0, 4194300 [pid 3887] close(25 [pid 3897] <... memfd_create resumed>) = 3 [pid 3896] <... pwrite64 resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] ftruncate(3, 135266304 [pid 3896] pwrite64(3, NULL, 0, 69888 [pid 3887] close(26 [pid 3897] <... ftruncate resumed>) = 0 [pid 3896] <... pwrite64 resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] 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 [pid 3896] pwrite64(3, NULL, 0, 71040 [pid 3887] close(27 [pid 3897] <... pwrite64 resumed>) = 102 [pid 3896] <... pwrite64 resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] pwrite64(3, NULL, 0, 1248 [pid 3896] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3887] close(28 [pid 3897] <... pwrite64 resumed>) = 0 [pid 3896] <... openat resumed>) = 4 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3896] ioctl(4, LOOP_SET_FD, 3 [pid 3887] close(29 [pid 3897] <... pwrite64 resumed>) = 9 [pid 3896] <... ioctl resumed>) = 0 [pid 3887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] pwrite64(3, NULL, 0, 1600 [pid 3896] mkdir("./file0", 0777 [pid 3887] exit_group(0 [pid 3897] <... pwrite64 resumed>) = 0 [pid 3896] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3887] <... exit_group resumed>) = ? [pid 3897] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3896] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3887] +++ exited with 0 +++ [pid 3897] <... pwrite64 resumed>) = 9 [pid 3897] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3897] <... pwrite64 resumed>) = 8 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3897] pwrite64(3, NULL, 0, 26624 [pid 3624] <... openat resumed>) = 3 [pid 3897] <... pwrite64 resumed>) = 0 [ 51.140581][ T3887] EXT4-fs (loop4): get root inode failed [ 51.140595][ T3887] EXT4-fs (loop4): mount failed [ 51.255216][ T3894] loop3: detected capacity change from 0 to 264192 [ 51.264197][ T3895] loop1: detected capacity change from 0 to 264192 [ 51.286640][ T3896] loop2: detected capacity change from 0 to 264192 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3897] pwrite64(3, NULL, 0, 36864 [pid 3894] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3897] <... pwrite64 resumed>) = 0 [pid 3894] ioctl(4, LOOP_CLR_FD [pid 3624] close(3 [pid 3897] pwrite64(3, NULL, 0, 4194300 [pid 3624] <... close resumed>) = 0 [pid 3897] <... pwrite64 resumed>) = 0 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3897] pwrite64(3, NULL, 0, 69888) = 0 [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 17 [pid 3897] pwrite64(3, NULL, 0, 71040) = 0 [pid 3897] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3897] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3897] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3897] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue"./strace-static-x86_64: Process 3901 attached [pid 3901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3895] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3901] setpgid(0, 0 [pid 3895] ioctl(4, LOOP_CLR_FD [pid 3901] <... setpgid resumed>) = 0 [pid 3901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3901] write(3, "1000", 4) = 4 [pid 3901] close(3) = 0 [pid 3901] memfd_create("syzkaller", 0) = 3 [pid 3901] ftruncate(3, 135266304) = 0 [pid 3901] 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 3901] pwrite64(3, NULL, 0, 1248) = 0 [pid 3901] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3901] pwrite64(3, NULL, 0, 1600) = 0 [pid 3901] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3897] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3901] <... pwrite64 resumed>) = 9 [pid 3897] ioctl(4, LOOP_CLR_FD [pid 3901] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3901] pwrite64(3, NULL, 0, 26624) = 0 [pid 3901] pwrite64(3, NULL, 0, 36864) = 0 [pid 3901] pwrite64(3, NULL, 0, 4194300) = 0 [pid 3901] pwrite64(3, NULL, 0, 69888) = 0 [pid 3901] pwrite64(3, NULL, 0, 71040) = 0 [pid 3901] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 51.291407][ T3894] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 51.291790][ T3894] EXT4-fs (loop3): get root inode failed [ 51.291802][ T3894] EXT4-fs (loop3): mount failed [pid 3901] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3901] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3901] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3895] <... ioctl resumed>) = 0 [pid 3894] <... ioctl resumed>) = 0 [pid 3895] close(4 [pid 3894] close(4 [pid 3895] <... close resumed>) = 0 [pid 3894] <... close resumed>) = 0 [pid 3895] close(3 [pid 3894] close(3 [pid 3895] <... close resumed>) = 0 [pid 3894] <... close resumed>) = 0 [pid 3895] close(3 [pid 3894] close(3 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3895] close(4 [pid 3894] close(4 [pid 3896] ioctl(4, LOOP_CLR_FD [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(5 [pid 3894] close(5 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(6 [pid 3894] close(6 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(7 [pid 3894] close(7 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(8 [pid 3894] close(8 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(9 [pid 3894] close(9 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(10 [pid 3894] close(10 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(11 [pid 3894] close(11 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... ioctl resumed>) = 0 [pid 3895] close(12 [pid 3894] close(12 [pid 3897] close(4 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = 0 [pid 3895] close(13 [pid 3894] close(13 [pid 3897] close(3 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = 0 [pid 3895] close(14 [pid 3894] close(14 [pid 3897] close(3 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(15 [pid 3894] close(15 [pid 3897] close(4 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(16 [pid 3894] close(16 [pid 3897] close(5 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(17 [pid 3894] close(17 [pid 3897] close(6 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(18 [pid 3894] close(18 [pid 3897] close(7 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(19 [pid 3894] close(19 [pid 3897] close(8 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(20 [pid 3894] close(20 [pid 3897] close(9 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3901] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] close(21 [ 51.308470][ T3897] loop0: detected capacity change from 0 to 264192 [pid 3894] close(21 [pid 3901] ioctl(4, LOOP_CLR_FD [pid 3897] close(10 [pid 3896] <... ioctl resumed>) = 0 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(4 [pid 3895] close(22 [pid 3894] close(22 [pid 3897] close(11 [pid 3896] <... close resumed>) = 0 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(3 [pid 3895] close(23 [pid 3894] close(23 [pid 3897] close(12 [pid 3896] <... close resumed>) = 0 [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(3 [pid 3895] close(24 [pid 3894] close(24 [pid 3897] close(13 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(4 [pid 3895] close(25 [pid 3894] close(25 [pid 3897] close(14 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(5 [pid 3895] close(26 [pid 3894] close(26 [pid 3897] close(15 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(6 [pid 3895] close(27 [pid 3894] close(27 [pid 3897] close(16 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(7 [pid 3895] close(28 [pid 3894] close(28 [pid 3897] close(17 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(8 [pid 3895] close(29 [pid 3894] close(29 [pid 3897] close(18 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3894] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(9 [pid 3895] exit_group(0 [pid 3894] exit_group(0 [pid 3897] close(19 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3895] <... exit_group resumed>) = ? [pid 3894] <... exit_group resumed>) = ? [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(10 [pid 3895] +++ exited with 0 +++ [pid 3894] +++ exited with 0 +++ [pid 3897] close(20 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(11 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3897] close(21 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(12 [pid 3627] <... restart_syscall resumed>) = 0 [pid 3897] close(22 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(13 [pid 3897] close(23 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(14 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3627] <... openat resumed>) = 3 [pid 3897] close(24 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3629] <... openat resumed>) = 3 [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(15 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3897] close(25 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3627] close(3 [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(16 [pid 3629] close(3 [pid 3627] <... close resumed>) = 0 [pid 3897] close(26 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... close resumed>) = 0 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(17 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3897] close(27 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 16 [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(18 [pid 3897] close(28 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 20 [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(19./strace-static-x86_64: Process 3909 attached [pid 3897] close(29 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3910 attached [pid 3897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3896] close(20 [pid 3909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3909] <... prctl resumed>) = 0 [pid 3897] exit_group(0 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... prctl resumed>) = 0 [pid 3909] setpgid(0, 0 [pid 3897] <... exit_group resumed>) = ? [pid 3896] close(21 [pid 3910] setpgid(0, 0 [pid 3909] <... setpgid resumed>) = 0 [pid 3897] +++ exited with 0 +++ [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... setpgid resumed>) = 0 [pid 3909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3896] close(22 [pid 3910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3909] <... openat resumed>) = 3 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3910] <... openat resumed>) = 3 [pid 3909] write(3, "1000", 4 [pid 3896] close(23 [pid 3626] restart_syscall(<... resuming interrupted clone ...> [pid 3910] write(3, "1000", 4 [pid 3909] <... write resumed>) = 4 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... restart_syscall resumed>) = 0 [pid 3910] <... write resumed>) = 4 [pid 3909] close(3 [pid 3896] close(24 [pid 3910] close(3 [pid 3909] <... close resumed>) = 0 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... close resumed>) = 0 [pid 3909] memfd_create("syzkaller", 0 [pid 3896] close(25 [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3910] memfd_create("syzkaller", 0 [pid 3909] <... memfd_create resumed>) = 3 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3910] <... memfd_create resumed>) = 3 [pid 3909] ftruncate(3, 135266304 [pid 3896] close(26 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3910] ftruncate(3, 135266304 [pid 3909] <... ftruncate resumed>) = 0 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3910] <... ftruncate resumed>) = 0 [pid 3909] 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 [pid 3896] close(27 [pid 3626] close(3 [pid 3910] 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 [pid 3909] <... pwrite64 resumed>) = 102 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... close resumed>) = 0 [pid 3910] <... pwrite64 resumed>) = 102 [pid 3909] pwrite64(3, NULL, 0, 1248 [pid 3896] close(28 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3910] pwrite64(3, NULL, 0, 1248 [pid 3909] <... pwrite64 resumed>) = 0 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... pwrite64 resumed>) = 0 [pid 3909] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3896] close(29 [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 17 [pid 3910] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3909] <... pwrite64 resumed>) = 9 [pid 3896] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... pwrite64 resumed>) = 9 [pid 3909] pwrite64(3, NULL, 0, 1600 [pid 3896] exit_group(0 [pid 3910] pwrite64(3, NULL, 0, 1600 [pid 3909] <... pwrite64 resumed>) = 0 [pid 3896] <... exit_group resumed>) = ? [pid 3910] <... pwrite64 resumed>) = 0 [pid 3909] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3896] +++ exited with 0 +++ [pid 3910] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3909] <... pwrite64 resumed>) = 9 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 3911 attached [pid 3910] <... pwrite64 resumed>) = 9 [pid 3909] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3910] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3909] <... pwrite64 resumed>) = 8 [pid 3901] <... ioctl resumed>) = 0 [pid 3911] <... prctl resumed>) = 0 [pid 3910] <... pwrite64 resumed>) = 8 [pid 3909] pwrite64(3, NULL, 0, 26624 [pid 3901] close(4 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3911] setpgid(0, 0 [pid 3910] pwrite64(3, NULL, 0, 26624 [pid 3909] <... pwrite64 resumed>) = 0 [pid 3901] <... close resumed>) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3911] <... setpgid resumed>) = 0 [pid 3910] <... pwrite64 resumed>) = 0 [pid 3909] pwrite64(3, NULL, 0, 36864 [pid 3901] close(3 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3910] pwrite64(3, NULL, 0, 36864 [pid 3909] <... pwrite64 resumed>) = 0 [pid 3901] <... close resumed>) = 0 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3911] <... openat resumed>) = 3 [pid 3910] <... pwrite64 resumed>) = 0 [pid 3909] pwrite64(3, NULL, 0, 4194300 [pid 3901] close(3 [pid 3625] close(3 [pid 3911] write(3, "1000", 4 [pid 3910] pwrite64(3, NULL, 0, 4194300 [pid 3909] <... pwrite64 resumed>) = 0 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 3911] <... write resumed>) = 4 [pid 3910] <... pwrite64 resumed>) = 0 [pid 3909] pwrite64(3, NULL, 0, 69888 [pid 3901] close(4 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3911] close(3 [pid 3910] pwrite64(3, NULL, 0, 69888 [pid 3909] <... pwrite64 resumed>) = 0 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3911] <... close resumed>) = 0 [pid 3910] <... pwrite64 resumed>) = 0 [pid 3909] pwrite64(3, NULL, 0, 71040 [pid 3901] close(5 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 18 [pid 3911] memfd_create("syzkaller", 0 [pid 3910] pwrite64(3, NULL, 0, 71040 [pid 3909] <... pwrite64 resumed>) = 0 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3911] <... memfd_create resumed>) = 3 [pid 3910] <... pwrite64 resumed>) = 0 [pid 3909] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3901] close(6 [pid 3911] ftruncate(3, 135266304 [pid 3910] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3909] <... openat resumed>) = 4 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3911] <... ftruncate resumed>) = 0 [pid 3910] <... openat resumed>) = 4 [pid 3909] ioctl(4, LOOP_SET_FD, 3 [pid 3901] close(7 [pid 3911] 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 [pid 3910] ioctl(4, LOOP_SET_FD, 3 [pid 3909] <... ioctl resumed>) = 0 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3912 attached [pid 3911] <... pwrite64 resumed>) = 102 [pid 3910] <... ioctl resumed>) = 0 [pid 3909] mkdir("./file0", 0777 [pid 3901] close(8 [pid 3912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3911] pwrite64(3, NULL, 0, 1248 [pid 3910] mkdir("./file0", 0777 [pid 3909] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... prctl resumed>) = 0 [pid 3911] <... pwrite64 resumed>) = 0 [pid 3910] <... mkdir resumed>) = -1 EEXIST (File exists) [ 51.315651][ T3895] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3909] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3901] close(9 [pid 3912] setpgid(0, 0 [pid 3911] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3910] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... setpgid resumed>) = 0 [pid 3911] <... pwrite64 resumed>) = 9 [pid 3901] close(10 [pid 3912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3911] pwrite64(3, NULL, 0, 1600 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... openat resumed>) = 3 [pid 3911] <... pwrite64 resumed>) = 0 [pid 3901] close(11 [pid 3912] write(3, "1000", 4 [pid 3911] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... write resumed>) = 4 [pid 3911] <... pwrite64 resumed>) = 9 [pid 3901] close(12 [pid 3912] close(3 [pid 3911] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = 0 [pid 3911] <... pwrite64 resumed>) = 8 [pid 3901] close(13 [pid 3912] memfd_create("syzkaller", 0 [pid 3911] pwrite64(3, NULL, 0, 26624 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... memfd_create resumed>) = 3 [pid 3911] <... pwrite64 resumed>) = 0 [pid 3901] close(14 [pid 3912] ftruncate(3, 135266304 [pid 3911] pwrite64(3, NULL, 0, 36864 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... ftruncate resumed>) = 0 [pid 3911] <... pwrite64 resumed>) = 0 [pid 3901] close(15 [pid 3912] 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 [pid 3911] pwrite64(3, NULL, 0, 4194300 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... pwrite64 resumed>) = 102 [pid 3911] <... pwrite64 resumed>) = 0 [pid 3901] close(16 [pid 3912] pwrite64(3, NULL, 0, 1248 [pid 3911] pwrite64(3, NULL, 0, 69888 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... pwrite64 resumed>) = 0 [pid 3911] <... pwrite64 resumed>) = 0 [pid 3901] close(17 [pid 3912] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3911] pwrite64(3, NULL, 0, 71040 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... pwrite64 resumed>) = 9 [pid 3911] <... pwrite64 resumed>) = 0 [pid 3901] close(18 [pid 3912] pwrite64(3, NULL, 0, 1600 [pid 3911] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... pwrite64 resumed>) = 0 [pid 3911] <... openat resumed>) = 4 [pid 3909] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3901] close(19 [pid 3912] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3911] ioctl(4, LOOP_SET_FD, 3 [pid 3909] ioctl(4, LOOP_CLR_FD [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... pwrite64 resumed>) = 9 [pid 3911] <... ioctl resumed>) = 0 [pid 3901] close(20 [pid 3912] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3911] mkdir("./file0", 0777 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... pwrite64 resumed>) = 8 [pid 3911] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3901] close(21 [pid 3912] pwrite64(3, NULL, 0, 26624 [pid 3911] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... pwrite64 resumed>) = 0 [pid 3901] close(22 [pid 3912] pwrite64(3, NULL, 0, 36864 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... pwrite64 resumed>) = 0 [pid 3901] close(23 [pid 3912] pwrite64(3, NULL, 0, 4194300 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... pwrite64 resumed>) = 0 [pid 3901] close(24 [pid 3912] pwrite64(3, NULL, 0, 69888 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... pwrite64 resumed>) = 0 [pid 3901] close(25 [pid 3912] pwrite64(3, NULL, 0, 71040 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... pwrite64 resumed>) = 0 [pid 3901] close(26 [pid 3912] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... openat resumed>) = 4 [pid 3901] close(27 [pid 3912] ioctl(4, LOOP_SET_FD, 3 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... ioctl resumed>) = 0 [pid 3901] close(28 [pid 3912] mkdir("./file0", 0777 [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3901] close(29 [pid 3912] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3901] exit_group(0 [pid 3910] ioctl(4, LOOP_CLR_FD [pid 3901] <... exit_group resumed>) = ? [pid 3901] +++ exited with 0 +++ [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3624] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3624] close(3) = 0 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 18 [pid 3911] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3911] ioctl(4, LOOP_CLR_FD) = 0 [pid 3909] <... ioctl resumed>) = 0 [pid 3911] close(4 [pid 3909] close(4 [pid 3911] <... close resumed>) = 0 [pid 3909] <... close resumed>) = 0 [pid 3911] close(3 [pid 3909] close(3 [pid 3911] <... close resumed>) = 0 [pid 3909] <... close resumed>) = 0 ./strace-static-x86_64: Process 3920 attached [ 51.316070][ T3895] EXT4-fs (loop1): get root inode failed [ 51.316084][ T3895] EXT4-fs (loop1): mount failed [ 51.333427][ T3897] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3911] close(3 [pid 3910] <... ioctl resumed>) = 0 [pid 3909] close(3 [pid 3920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(4 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... prctl resumed>) = 0 [pid 3911] close(4 [pid 3910] <... close resumed>) = 0 [pid 3909] close(4 [pid 3920] setpgid(0, 0 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(3 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... setpgid resumed>) = 0 [pid 3911] close(5 [pid 3910] <... close resumed>) = 0 [pid 3909] close(5 [pid 3920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(3 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... openat resumed>) = 3 [pid 3911] close(6 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(6 [pid 3920] write(3, "1000", 4 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(4 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... write resumed>) = 4 [pid 3911] close(7 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(7 [pid 3920] close(3 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(5 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... close resumed>) = 0 [pid 3911] close(8 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(8 [pid 3920] memfd_create("syzkaller", 0 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(6 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... memfd_create resumed>) = 3 [pid 3911] close(9 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(9 [pid 3920] ftruncate(3, 135266304 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(7 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... ftruncate resumed>) = 0 [pid 3911] close(10 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(10 [pid 3920] 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 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(8 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... pwrite64 resumed>) = 102 [pid 3911] close(11 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(11 [pid 3920] pwrite64(3, NULL, 0, 1248 [pid 3912] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(9 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... pwrite64 resumed>) = 0 [pid 3912] ioctl(4, LOOP_CLR_FD [pid 3911] close(12 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(12 [pid 3920] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(10 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... pwrite64 resumed>) = 9 [pid 3911] close(13 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(13 [pid 3920] pwrite64(3, NULL, 0, 1600 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(11 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... pwrite64 resumed>) = 0 [pid 3911] close(14 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(14 [pid 3920] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(12 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... pwrite64 resumed>) = 9 [pid 3911] close(15 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(15 [pid 3920] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(13 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... pwrite64 resumed>) = 8 [pid 3911] close(16 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(16 [pid 3920] pwrite64(3, NULL, 0, 26624 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(14 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... pwrite64 resumed>) = 0 [pid 3911] close(17 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(17 [pid 3920] pwrite64(3, NULL, 0, 36864 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(15 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... pwrite64 resumed>) = 0 [pid 3911] close(18 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(18 [pid 3920] pwrite64(3, NULL, 0, 4194300 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(16 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... pwrite64 resumed>) = 0 [pid 3911] close(19 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(19 [pid 3920] pwrite64(3, NULL, 0, 69888 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(17 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... pwrite64 resumed>) = 0 [pid 3911] close(20 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(20 [pid 3920] pwrite64(3, NULL, 0, 71040 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(18 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... pwrite64 resumed>) = 0 [pid 3911] close(21 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(21 [pid 3920] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(19 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... openat resumed>) = 4 [pid 3911] close(22 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(22 [pid 3920] ioctl(4, LOOP_SET_FD, 3 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(20 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... ioctl resumed>) = 0 [pid 3911] close(23 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(23 [pid 3920] mkdir("./file0", 0777 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(21 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] <... mkdir resumed>) = -1 EEXIST (File exists) [ 51.333809][ T3897] EXT4-fs (loop0): get root inode failed [pid 3911] close(24 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(24 [pid 3920] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(22 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... ioctl resumed>) = 0 [pid 3911] close(25 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(25 [pid 3912] close(4 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(23 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = 0 [pid 3911] close(26 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(26 [pid 3912] close(3 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(24 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = 0 [pid 3911] close(27 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(27 [pid 3912] close(3 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(25 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3911] close(28 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(28 [pid 3912] close(4 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(26 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3911] close(29 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] close(29 [pid 3912] close(5 [pid 3911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] close(27 [pid 3909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3911] exit_group(0 [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] exit_group(0 [pid 3912] close(6 [pid 3911] <... exit_group resumed>) = ? [pid 3910] close(28 [pid 3909] <... exit_group resumed>) = ? [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3911] +++ exited with 0 +++ [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3909] +++ exited with 0 +++ [pid 3912] close(7 [pid 3910] close(29 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3912] close(8 [pid 3910] exit_group(0 [pid 3920] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3910] <... exit_group resumed>) = ? [pid 3920] ioctl(4, LOOP_CLR_FD [pid 3912] close(9 [pid 3910] +++ exited with 0 +++ [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3912] close(10 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 3912] close(11 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3912] close(12 [pid 3627] close(3 [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3627] <... close resumed>) = 0 [pid 3912] close(13 [pid 3629] <... openat resumed>) = 3 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3912] close(14 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 17 [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] close(3 [pid 3912] close(15 [pid 3629] <... close resumed>) = 0 [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3912] close(16) = -1 EBADF (Bad file descriptor) [pid 3912] close(17) = -1 EBADF (Bad file descriptor) [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 21 [pid 3912] close(18./strace-static-x86_64: Process 3924 attached ) = -1 EBADF (Bad file descriptor) [pid 3924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3912] close(19 [pid 3924] <... prctl resumed>) = 0 [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] setpgid(0, 0 [pid 3912] close(20 [pid 3924] <... setpgid resumed>) = 0 [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3912] close(21 [pid 3924] <... openat resumed>) = 3 [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] write(3, "1000", 4 [pid 3912] close(22 [pid 3924] <... write resumed>) = 4 [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 51.333822][ T3897] EXT4-fs (loop0): mount failed [ 51.344305][ T3901] loop4: detected capacity change from 0 to 264192 [ 51.345253][ T3896] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated ./strace-static-x86_64: Process 3925 attached [pid 3924] close(3 [pid 3912] close(23 [pid 3925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3924] <... close resumed>) = 0 [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] <... prctl resumed>) = 0 [pid 3924] memfd_create("syzkaller", 0 [pid 3912] close(24 [pid 3925] setpgid(0, 0 [pid 3924] <... memfd_create resumed>) = 3 [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] <... setpgid resumed>) = 0 [pid 3924] ftruncate(3, 135266304 [pid 3912] close(25 [pid 3925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3924] <... ftruncate resumed>) = 0 [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] 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 [pid 3912] close(26 [pid 3925] <... openat resumed>) = 3 [pid 3924] <... pwrite64 resumed>) = 102 [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] write(3, "1000", 4 [pid 3924] pwrite64(3, NULL, 0, 1248 [pid 3912] close(27 [pid 3626] <... openat resumed>) = 3 [pid 3925] <... write resumed>) = 4 [pid 3924] <... pwrite64 resumed>) = 0 [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3925] close(3 [pid 3924] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3912] close(28 [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3925] <... close resumed>) = 0 [pid 3924] <... pwrite64 resumed>) = 9 [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] close(3 [pid 3925] memfd_create("syzkaller", 0 [pid 3924] pwrite64(3, NULL, 0, 1600 [pid 3912] close(29 [pid 3626] <... close resumed>) = 0 [pid 3925] <... memfd_create resumed>) = 3 [pid 3924] <... pwrite64 resumed>) = 0 [pid 3920] <... ioctl resumed>) = 0 [pid 3912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3925] ftruncate(3, 135266304 [pid 3924] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3920] close(4 [pid 3912] exit_group(0 [pid 3925] <... ftruncate resumed>) = 0 [pid 3924] <... pwrite64 resumed>) = 9 [pid 3920] <... close resumed>) = 0 [pid 3912] <... exit_group resumed>) = ? [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 18 [pid 3925] 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 [pid 3924] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3920] close(3 [pid 3912] +++ exited with 0 +++ [pid 3925] <... pwrite64 resumed>) = 102 [pid 3924] <... pwrite64 resumed>) = 8 [pid 3920] <... close resumed>) = 0 ./strace-static-x86_64: Process 3926 attached [pid 3925] pwrite64(3, NULL, 0, 1248 [pid 3924] pwrite64(3, NULL, 0, 26624 [pid 3920] close(3 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3925] <... pwrite64 resumed>) = 0 [pid 3924] <... pwrite64 resumed>) = 0 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3926] <... prctl resumed>) = 0 [pid 3925] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3924] pwrite64(3, NULL, 0, 36864 [pid 3920] close(4 [pid 3625] <... openat resumed>) = 3 [pid 3926] setpgid(0, 0 [pid 3925] <... pwrite64 resumed>) = 9 [pid 3924] <... pwrite64 resumed>) = 0 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3926] <... setpgid resumed>) = 0 [pid 3925] pwrite64(3, NULL, 0, 1600 [pid 3924] pwrite64(3, NULL, 0, 4194300 [pid 3920] close(5 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3925] <... pwrite64 resumed>) = 0 [pid 3924] <... pwrite64 resumed>) = 0 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] close(3 [pid 3926] <... openat resumed>) = 3 [pid 3925] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3924] pwrite64(3, NULL, 0, 69888 [pid 3920] close(6 [pid 3625] <... close resumed>) = 0 [pid 3926] write(3, "1000", 4 [pid 3925] <... pwrite64 resumed>) = 9 [pid 3924] <... pwrite64 resumed>) = 0 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3926] <... write resumed>) = 4 [pid 3925] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3924] pwrite64(3, NULL, 0, 71040 [pid 3920] close(7 [pid 3926] close(3 [pid 3925] <... pwrite64 resumed>) = 8 [pid 3924] <... pwrite64 resumed>) = 0 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 19 [pid 3926] <... close resumed>) = 0 [pid 3925] pwrite64(3, NULL, 0, 26624 [pid 3924] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3920] close(8 [pid 3926] memfd_create("syzkaller", 0 [pid 3925] <... pwrite64 resumed>) = 0 [pid 3924] <... openat resumed>) = 4 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... memfd_create resumed>) = 3 [pid 3924] ioctl(4, LOOP_SET_FD, 3 [pid 3920] close(9 [pid 3926] ftruncate(3, 135266304 [pid 3924] <... ioctl resumed>) = 0 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... ftruncate resumed>) = 0 [pid 3924] mkdir("./file0", 0777 [pid 3920] close(10 [pid 3926] 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 [pid 3924] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... pwrite64 resumed>) = 102 [pid 3924] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3920] close(11 [pid 3926] pwrite64(3, NULL, 0, 1248 [pid 3925] pwrite64(3, NULL, 0, 36864 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... pwrite64 resumed>) = 0 [pid 3925] <... pwrite64 resumed>) = 0 [pid 3920] close(12 [pid 3926] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3925] pwrite64(3, NULL, 0, 4194300 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... pwrite64 resumed>) = 9 [pid 3925] <... pwrite64 resumed>) = 0 [pid 3920] close(13 [pid 3926] pwrite64(3, NULL, 0, 1600 [pid 3925] pwrite64(3, NULL, 0, 69888 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... pwrite64 resumed>) = 0 [pid 3925] <... pwrite64 resumed>) = 0 [pid 3920] close(14./strace-static-x86_64: Process 3927 attached [pid 3926] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3925] pwrite64(3, NULL, 0, 71040 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... pwrite64 resumed>) = 9 [pid 3925] <... pwrite64 resumed>) = 0 [ 51.345794][ T3896] EXT4-fs (loop2): get root inode failed [ 51.345807][ T3896] EXT4-fs (loop2): mount failed [ 51.383735][ T3901] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3920] close(15 [pid 3927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3926] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3925] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... prctl resumed>) = 0 [pid 3926] <... pwrite64 resumed>) = 8 [pid 3920] close(16 [pid 3926] pwrite64(3, NULL, 0, 26624 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... pwrite64 resumed>) = 0 [pid 3920] close(17 [pid 3926] pwrite64(3, NULL, 0, 36864 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] setpgid(0, 0 [pid 3926] <... pwrite64 resumed>) = 0 [pid 3925] <... openat resumed>) = 4 [pid 3920] close(18 [pid 3927] <... setpgid resumed>) = 0 [pid 3926] pwrite64(3, NULL, 0, 4194300 [pid 3925] ioctl(4, LOOP_SET_FD, 3 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3926] <... pwrite64 resumed>) = 0 [pid 3920] close(19 [pid 3927] <... openat resumed>) = 3 [pid 3926] pwrite64(3, NULL, 0, 69888 [pid 3925] <... ioctl resumed>) = 0 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] write(3, "1000", 4 [pid 3926] <... pwrite64 resumed>) = 0 [pid 3925] mkdir("./file0", 0777 [pid 3920] close(20 [pid 3927] <... write resumed>) = 4 [pid 3926] pwrite64(3, NULL, 0, 71040 [pid 3925] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] close(3 [pid 3926] <... pwrite64 resumed>) = 0 [pid 3920] close(21 [pid 3927] <... close resumed>) = 0 [pid 3926] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3925] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... openat resumed>) = 4 [pid 3920] close(22 [pid 3927] memfd_create("syzkaller", 0 [pid 3926] ioctl(4, LOOP_SET_FD, 3 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... memfd_create resumed>) = 3 [pid 3926] <... ioctl resumed>) = 0 [pid 3920] close(23 [pid 3927] ftruncate(3, 135266304 [pid 3926] mkdir("./file0", 0777 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3927] <... ftruncate resumed>) = 0 [pid 3920] close(24 [pid 3926] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] 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 [pid 3920] close(25 [pid 3927] <... pwrite64 resumed>) = 102 [pid 3927] pwrite64(3, NULL, 0, 1248 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... pwrite64 resumed>) = 0 [pid 3920] close(26 [pid 3927] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] close(27) = -1 EBADF (Bad file descriptor) [pid 3920] close(28 [pid 3927] <... pwrite64 resumed>) = 9 [pid 3920] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3920] close(29) = -1 EBADF (Bad file descriptor) [pid 3927] pwrite64(3, NULL, 0, 1600 [pid 3920] exit_group(0 [pid 3927] <... pwrite64 resumed>) = 0 [pid 3920] <... exit_group resumed>) = ? [pid 3927] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3920] +++ exited with 0 +++ [pid 3927] <... pwrite64 resumed>) = 9 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3927] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3927] pwrite64(3, NULL, 0, 26624 [pid 3924] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 51.384163][ T3901] EXT4-fs (loop4): get root inode failed [ 51.384177][ T3901] EXT4-fs (loop4): mount failed [ 51.472016][ T3909] loop1: detected capacity change from 0 to 264192 [pid 3924] ioctl(4, LOOP_CLR_FD [pid 3927] <... pwrite64 resumed>) = 0 [pid 3927] pwrite64(3, NULL, 0, 36864 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3927] <... pwrite64 resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3927] pwrite64(3, NULL, 0, 4194300 [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3624] close(3) = 0 [pid 3927] <... pwrite64 resumed>) = 0 [pid 3926] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3925] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3927] pwrite64(3, NULL, 0, 69888 [pid 3926] ioctl(4, LOOP_CLR_FD [pid 3925] ioctl(4, LOOP_CLR_FD [pid 3927] <... pwrite64 resumed>) = 0 [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 19 [pid 3927] pwrite64(3, NULL, 0, 71040) = 0 [pid 3927] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 3927] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3927] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3927] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue"./strace-static-x86_64: Process 3934 attached [pid 3934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3934] setpgid(0, 0) = 0 [pid 3934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3934] write(3, "1000", 4) = 4 [pid 3934] close(3) = 0 [pid 3934] memfd_create("syzkaller", 0) = 3 [pid 3934] ftruncate(3, 135266304) = 0 [pid 3934] 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 3934] pwrite64(3, NULL, 0, 1248) = 0 [pid 3934] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3934] pwrite64(3, NULL, 0, 1600) = 0 [pid 3934] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3934] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3934] pwrite64(3, NULL, 0, 26624) = 0 [pid 3934] pwrite64(3, NULL, 0, 36864) = 0 [pid 3934] pwrite64(3, NULL, 0, 4194300 [pid 3924] <... ioctl resumed>) = 0 [pid 3925] <... ioctl resumed>) = 0 [pid 3934] <... pwrite64 resumed>) = 0 [pid 3926] <... ioctl resumed>) = 0 [pid 3925] close(4 [pid 3924] close(4 [pid 3934] pwrite64(3, NULL, 0, 69888 [pid 3926] close(4 [pid 3925] <... close resumed>) = 0 [pid 3924] <... close resumed>) = 0 [pid 3934] <... pwrite64 resumed>) = 0 [pid 3926] <... close resumed>) = 0 [pid 3925] close(3 [pid 3924] close(3 [pid 3934] pwrite64(3, NULL, 0, 71040 [pid 3926] close(3 [pid 3925] <... close resumed>) = 0 [pid 3924] <... close resumed>) = 0 [pid 3934] <... pwrite64 resumed>) = 0 [pid 3924] close(3 [pid 3926] <... close resumed>) = 0 [pid 3934] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3925] close(3 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3934] <... openat resumed>) = 4 [pid 3926] close(3 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 51.473135][ T3910] loop3: detected capacity change from 0 to 264192 [ 51.503119][ T3909] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3924] close(4 [pid 3934] ioctl(4, LOOP_SET_FD, 3 [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(4 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3934] <... ioctl resumed>) = 0 [pid 3926] close(4 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(5 [pid 3934] mkdir("./file0", 0777 [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(5 [pid 3934] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3926] close(5 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(6 [pid 3934] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(6 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] close(6 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(7 [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(7 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] close(7 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(8 [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(8 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] close(8 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(9 [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(9 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] close(9 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(10 [pid 3927] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(10 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(11 [pid 3927] ioctl(4, LOOP_CLR_FD [pid 3926] close(10 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... ioctl resumed>) = 0 [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(11 [pid 3924] close(12 [pid 3927] close(4 [pid 3926] close(11 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = 0 [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(12 [pid 3924] close(13 [pid 3927] close(3 [pid 3926] close(12 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(14 [pid 3934] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3927] <... close resumed>) = 0 [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(13 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 51.503512][ T3909] EXT4-fs (loop1): get root inode failed [ 51.503525][ T3909] EXT4-fs (loop1): mount failed [pid 3934] ioctl(4, LOOP_CLR_FD [pid 3927] close(3 [pid 3926] close(13 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(15 [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(14 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] close(4 [pid 3926] close(14 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(16 [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(15 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] close(5 [pid 3926] close(15 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(17 [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(16 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(18 [pid 3927] close(6 [pid 3926] close(16 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(19) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(17 [pid 3924] close(20 [pid 3927] close(7 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] close(17 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(21 [pid 3927] close(8 [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(18 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] close(18 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(22) = -1 EBADF (Bad file descriptor) [pid 3927] close(9 [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(19 [pid 3924] close(23) = -1 EBADF (Bad file descriptor) [pid 3934] <... ioctl resumed>) = 0 [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(24 [pid 3927] close(10 [pid 3926] close(19 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3934] close(4 [pid 3924] close(25 [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(20 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3934] <... close resumed>) = 0 [pid 3927] close(11 [pid 3926] close(20 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(26 [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] close(21 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3934] close(3 [ 51.509049][ T3911] loop0: detected capacity change from 0 to 264192 [ 51.520497][ T3912] loop2: detected capacity change from 0 to 264192 [pid 3927] close(12 [pid 3926] close(21 [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(27 [pid 3934] <... close resumed>) = 0 [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(28 [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3934] close(3 [pid 3927] close(13 [pid 3926] close(22 [pid 3925] close(22 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] close(29 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3934] close(4 [pid 3927] close(14 [pid 3926] close(23 [pid 3925] close(23 [pid 3924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] exit_group(0 [pid 3934] close(5 [pid 3927] close(15 [pid 3926] close(24 [pid 3925] close(24 [pid 3924] <... exit_group resumed>) = ? [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3924] +++ exited with 0 +++ [pid 3934] close(6 [pid 3927] close(16 [pid 3926] close(25 [pid 3925] close(25 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] close(17 [pid 3926] close(26 [pid 3925] close(26 [pid 3934] close(7) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3934] close(8 [pid 3927] close(18 [pid 3926] close(27 [pid 3925] close(27 [pid 3627] <... openat resumed>) = 3 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3934] close(9 [pid 3927] close(19 [pid 3926] close(28 [pid 3925] close(28 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(3) = 0 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 18 [ 51.524848][ T3910] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 51.525286][ T3910] EXT4-fs (loop3): get root inode failed [ 51.525299][ T3910] EXT4-fs (loop3): mount failed [pid 3934] close(10 [pid 3927] close(20 [pid 3926] close(29 [pid 3925] close(29 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3939 attached [pid 3934] close(11 [pid 3927] close(21 [pid 3926] exit_group(0 [pid 3939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] <... exit_group resumed>) = ? [pid 3925] exit_group(0 [pid 3939] <... prctl resumed>) = 0 [pid 3934] close(12 [pid 3927] close(22 [pid 3939] setpgid(0, 0 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3926] +++ exited with 0 +++ [pid 3925] <... exit_group resumed>) = ? [pid 3939] <... setpgid resumed>) = 0 [pid 3934] close(13 [pid 3927] close(23 [pid 3939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3925] +++ exited with 0 +++ [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3939] <... openat resumed>) = 3 [pid 3934] close(14 [pid 3927] close(24 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3939] write(3, "1000", 4 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 3939] <... write resumed>) = 4 [pid 3934] close(15 [pid 3927] close(25 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3939] close(3 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3939] <... close resumed>) = 0 [pid 3934] close(16 [pid 3927] close(26 [pid 3626] close(3 [pid 3939] memfd_create("syzkaller", 0 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... close resumed>) = 0 [pid 3939] <... memfd_create resumed>) = 3 [pid 3934] close(17 [pid 3927] close(27 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3939] ftruncate(3, 135266304 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3939] <... ftruncate resumed>) = 0 [pid 3934] close(18 [pid 3927] close(28 [pid 3629] <... openat resumed>) = 3 [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 19 [pid 3939] 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 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 3940 attached [pid 3939] <... pwrite64 resumed>) = 102 [pid 3934] close(19 [pid 3927] close(29 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3940] prctl(PR_SET_PDEATHSIG, SIGKILL [ 51.538432][ T3911] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3939] pwrite64(3, NULL, 0, 1248 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] close(3 [pid 3940] <... prctl resumed>) = 0 [pid 3939] <... pwrite64 resumed>) = 0 [pid 3934] close(20 [pid 3940] setpgid(0, 0 [pid 3939] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3927] exit_group(0 [pid 3940] <... setpgid resumed>) = 0 [pid 3939] <... pwrite64 resumed>) = 9 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] <... exit_group resumed>) = ? [pid 3629] <... close resumed>) = 0 [pid 3940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3939] pwrite64(3, NULL, 0, 1600 [pid 3934] close(21 [pid 3940] <... openat resumed>) = 3 [pid 3939] <... pwrite64 resumed>) = 0 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3927] +++ exited with 0 +++ [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3940] write(3, "1000", 4 [pid 3939] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3934] close(22 [pid 3940] <... write resumed>) = 4 [pid 3939] <... pwrite64 resumed>) = 9 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3940] close(3 [pid 3939] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3934] close(23 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 22 [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3940] <... close resumed>) = 0 [pid 3939] <... pwrite64 resumed>) = 8 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... restart_syscall resumed>) = 0 [pid 3940] memfd_create("syzkaller", 0 [pid 3939] pwrite64(3, NULL, 0, 26624 [pid 3934] close(24 [pid 3940] <... memfd_create resumed>) = 3 [pid 3939] <... pwrite64 resumed>) = 0 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] ftruncate(3, 135266304 [pid 3939] pwrite64(3, NULL, 0, 36864 [pid 3934] close(25 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3940] <... ftruncate resumed>) = 0 [pid 3939] <... pwrite64 resumed>) = 0 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... openat resumed>) = 3 [pid 3940] 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 [pid 3939] pwrite64(3, NULL, 0, 4194300 [pid 3934] close(26 [pid 3625] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 3941 attached [pid 3940] <... pwrite64 resumed>) = 102 [pid 3939] <... pwrite64 resumed>) = 0 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3940] pwrite64(3, NULL, 0, 1248 [pid 3939] pwrite64(3, NULL, 0, 69888 [pid 3934] close(27 [pid 3941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3625] close(3 [pid 3941] <... prctl resumed>) = 0 [pid 3940] <... pwrite64 resumed>) = 0 [pid 3939] <... pwrite64 resumed>) = 0 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 3941] setpgid(0, 0 [pid 3940] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3939] pwrite64(3, NULL, 0, 71040 [pid 3934] close(28 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3941] <... setpgid resumed>) = 0 [pid 3940] <... pwrite64 resumed>) = 9 [pid 3939] <... pwrite64 resumed>) = 0 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3940] pwrite64(3, NULL, 0, 1600 [pid 3939] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3934] close(29 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 20 [pid 3941] <... openat resumed>) = 3 [pid 3940] <... pwrite64 resumed>) = 0 [pid 3939] <... openat resumed>) = 4 [pid 3934] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3942 attached [pid 3941] write(3, "1000", 4 [pid 3940] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3939] ioctl(4, LOOP_SET_FD, 3 [ 51.539110][ T3911] EXT4-fs (loop0): get root inode failed [ 51.539124][ T3911] EXT4-fs (loop0): mount failed [pid 3934] exit_group(0 [pid 3942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3941] <... write resumed>) = 4 [pid 3940] <... pwrite64 resumed>) = 9 [pid 3939] <... ioctl resumed>) = 0 [pid 3934] <... exit_group resumed>) = ? [pid 3942] <... prctl resumed>) = 0 [pid 3941] close(3 [pid 3940] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3939] mkdir("./file0", 0777 [pid 3942] setpgid(0, 0 [pid 3940] <... pwrite64 resumed>) = 8 [pid 3939] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3934] +++ exited with 0 +++ [pid 3941] <... close resumed>) = 0 [pid 3942] <... setpgid resumed>) = 0 [pid 3941] memfd_create("syzkaller", 0 [pid 3940] pwrite64(3, NULL, 0, 26624 [pid 3939] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3941] <... memfd_create resumed>) = 3 [pid 3940] <... pwrite64 resumed>) = 0 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3942] <... openat resumed>) = 3 [pid 3941] ftruncate(3, 135266304 [pid 3942] write(3, "1000", 4 [pid 3941] <... ftruncate resumed>) = 0 [pid 3940] pwrite64(3, NULL, 0, 36864 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3941] 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 [pid 3942] <... write resumed>) = 4 [pid 3941] <... pwrite64 resumed>) = 102 [pid 3940] <... pwrite64 resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3941] pwrite64(3, NULL, 0, 1248) = 0 [pid 3941] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3942] close(3 [pid 3941] pwrite64(3, NULL, 0, 1600 [pid 3940] pwrite64(3, NULL, 0, 4194300 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3942] <... close resumed>) = 0 [pid 3941] <... pwrite64 resumed>) = 0 [pid 3940] <... pwrite64 resumed>) = 0 [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3942] memfd_create("syzkaller", 0 [pid 3941] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3940] pwrite64(3, NULL, 0, 69888 [pid 3624] close(3 [pid 3942] <... memfd_create resumed>) = 3 [pid 3941] <... pwrite64 resumed>) = 9 [pid 3940] <... pwrite64 resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3942] ftruncate(3, 135266304 [pid 3940] pwrite64(3, NULL, 0, 71040 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3942] <... ftruncate resumed>) = 0 [pid 3940] <... pwrite64 resumed>) = 0 [pid 3942] 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 [pid 3940] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 20 [pid 3942] <... pwrite64 resumed>) = 102 [pid 3941] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3940] <... openat resumed>) = 4 [pid 3942] pwrite64(3, NULL, 0, 1248 [pid 3941] <... pwrite64 resumed>) = 8 [pid 3940] ioctl(4, LOOP_SET_FD, 3 [pid 3942] <... pwrite64 resumed>) = 0 [pid 3941] pwrite64(3, NULL, 0, 26624 [pid 3940] <... ioctl resumed>) = 0 [pid 3942] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3941] <... pwrite64 resumed>) = 0 [pid 3940] mkdir("./file0", 0777 [pid 3942] <... pwrite64 resumed>) = 9 [pid 3941] pwrite64(3, NULL, 0, 36864 [pid 3940] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3942] pwrite64(3, NULL, 0, 1600 [pid 3941] <... pwrite64 resumed>) = 0 [pid 3940] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue"./strace-static-x86_64: Process 3943 attached [pid 3942] <... pwrite64 resumed>) = 0 [pid 3941] pwrite64(3, NULL, 0, 4194300 [pid 3943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3942] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3941] <... pwrite64 resumed>) = 0 [pid 3943] <... prctl resumed>) = 0 [pid 3942] <... pwrite64 resumed>) = 9 [pid 3941] pwrite64(3, NULL, 0, 69888 [pid 3943] setpgid(0, 0 [pid 3942] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3941] <... pwrite64 resumed>) = 0 [pid 3943] <... setpgid resumed>) = 0 [pid 3942] <... pwrite64 resumed>) = 8 [pid 3941] pwrite64(3, NULL, 0, 71040 [pid 3943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3942] pwrite64(3, NULL, 0, 26624 [pid 3941] <... pwrite64 resumed>) = 0 [pid 3943] <... openat resumed>) = 3 [pid 3942] <... pwrite64 resumed>) = 0 [ 51.568994][ T3912] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 51.569444][ T3912] EXT4-fs (loop2): get root inode failed [pid 3941] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3943] write(3, "1000", 4 [pid 3942] pwrite64(3, NULL, 0, 36864 [pid 3941] <... openat resumed>) = 4 [pid 3939] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3943] <... write resumed>) = 4 [pid 3942] <... pwrite64 resumed>) = 0 [pid 3941] ioctl(4, LOOP_SET_FD, 3 [pid 3939] ioctl(4, LOOP_CLR_FD [pid 3943] close(3 [pid 3942] pwrite64(3, NULL, 0, 4194300 [pid 3943] <... close resumed>) = 0 [pid 3942] <... pwrite64 resumed>) = 0 [pid 3941] <... ioctl resumed>) = 0 [pid 3939] <... ioctl resumed>) = 0 [pid 3943] memfd_create("syzkaller", 0 [pid 3942] pwrite64(3, NULL, 0, 69888 [pid 3941] mkdir("./file0", 0777 [pid 3939] close(4 [pid 3943] <... memfd_create resumed>) = 3 [pid 3942] <... pwrite64 resumed>) = 0 [pid 3941] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3939] <... close resumed>) = 0 [pid 3943] ftruncate(3, 135266304 [pid 3942] pwrite64(3, NULL, 0, 71040 [pid 3941] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3939] close(3 [pid 3943] <... ftruncate resumed>) = 0 [pid 3942] <... pwrite64 resumed>) = 0 [pid 3943] 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 [pid 3942] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3943] <... pwrite64 resumed>) = 102 [pid 3942] <... openat resumed>) = 4 [pid 3943] pwrite64(3, NULL, 0, 1248 [pid 3942] ioctl(4, LOOP_SET_FD, 3 [pid 3943] <... pwrite64 resumed>) = 0 [pid 3942] <... ioctl resumed>) = 0 [pid 3939] <... close resumed>) = 0 [ 51.569458][ T3912] EXT4-fs (loop2): mount failed [ 51.598421][ T3920] loop4: detected capacity change from 0 to 264192 [ 51.610699][ T3698] I/O error, dev loop2, sector 264064 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0 [pid 3943] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3942] mkdir("./file0", 0777 [pid 3939] close(3 [pid 3943] <... pwrite64 resumed>) = 9 [pid 3942] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3943] pwrite64(3, NULL, 0, 1600 [pid 3942] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3943] <... pwrite64 resumed>) = 0 [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3939] close(4 [pid 3943] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3943] pwrite64(3, NULL, 0, 26624) = 0 [pid 3943] pwrite64(3, NULL, 0, 36864 [pid 3940] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] <... pwrite64 resumed>) = 0 [pid 3943] pwrite64(3, NULL, 0, 4194300) = 0 [pid 3943] pwrite64(3, NULL, 0, 69888 [pid 3940] ioctl(4, LOOP_CLR_FD [pid 3939] close(5 [pid 3943] <... pwrite64 resumed>) = 0 [pid 3943] pwrite64(3, NULL, 0, 71040 [pid 3940] <... ioctl resumed>) = 0 [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] <... pwrite64 resumed>) = 0 [pid 3943] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 3943] ioctl(4, LOOP_SET_FD, 3 [pid 3941] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3940] close(4 [pid 3939] close(6 [pid 3943] <... ioctl resumed>) = 0 [pid 3942] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3941] ioctl(4, LOOP_CLR_FD [pid 3940] <... close resumed>) = 0 [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] mkdir("./file0", 0777 [pid 3942] ioctl(4, LOOP_CLR_FD [pid 3943] <... mkdir resumed>) = -1 EEXIST (File exists) [ 51.652697][ T3920] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 51.653255][ T3920] EXT4-fs (loop4): get root inode failed [ 51.653269][ T3920] EXT4-fs (loop4): mount failed [ 51.735799][ T3924] loop1: detected capacity change from 0 to 264192 [ 51.760193][ T3925] loop3: detected capacity change from 0 to 264192 [ 51.772974][ T3926] loop0: detected capacity change from 0 to 264192 [pid 3943] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3940] close(3 [pid 3939] close(7 [pid 3940] <... close resumed>) = 0 [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] close(3 [pid 3939] close(8 [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] close(4 [pid 3939] close(9 [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] close(5 [pid 3939] close(10 [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] close(6 [pid 3939] close(11 [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] close(7 [pid 3939] close(12 [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] close(8 [pid 3939] close(13 [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] close(9 [pid 3939] close(14 [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] close(10 [pid 3939] close(15 [pid 3942] <... ioctl resumed>) = 0 [pid 3943] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 51.798698][ T3924] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3942] close(4 [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] ioctl(4, LOOP_CLR_FD [pid 3942] <... close resumed>) = 0 [pid 3940] close(11 [pid 3939] close(16 [pid 3942] close(3 [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = 0 [pid 3940] close(12 [pid 3939] close(17 [pid 3942] close(3 [pid 3941] <... ioctl resumed>) = 0 [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] close(4) = -1 EBADF (Bad file descriptor) [pid 3942] close(5 [pid 3941] close(4 [pid 3940] close(13 [pid 3939] close(18 [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = 0 [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] close(6 [pid 3941] close(3 [pid 3940] close(14 [pid 3939] close(19 [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = 0 [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] close(7 [pid 3941] close(3 [pid 3940] close(15 [pid 3939] close(20 [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] close(8 [pid 3941] close(4 [pid 3940] close(16 [pid 3939] close(21 [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] close(9 [pid 3941] close(5 [pid 3940] close(17 [pid 3939] close(22 [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] close(10) = -1 EBADF (Bad file descriptor) [pid 3942] close(11) = -1 EBADF (Bad file descriptor) [pid 3942] close(12) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] close(13 [pid 3941] close(6 [pid 3940] close(18 [pid 3939] close(23 [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] close(14 [pid 3941] close(7 [pid 3940] close(19 [pid 3939] close(24 [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] close(15 [pid 3941] close(8 [pid 3940] close(20 [pid 3939] close(25 [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] close(16 [pid 3941] close(9 [pid 3940] close(21 [pid 3939] close(26 [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] close(17 [pid 3941] close(10 [pid 3940] close(22 [pid 3939] close(27 [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] close(18) = -1 EBADF (Bad file descriptor) [pid 3942] close(19) = -1 EBADF (Bad file descriptor) [pid 3942] close(20 [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3942] close(21) = -1 EBADF (Bad file descriptor) [pid 3942] close(22) = -1 EBADF (Bad file descriptor) [pid 3942] close(23) = -1 EBADF (Bad file descriptor) [pid 3942] close(24) = -1 EBADF (Bad file descriptor) [pid 3942] close(25) = -1 EBADF (Bad file descriptor) [pid 3942] close(26) = -1 EBADF (Bad file descriptor) [pid 3942] close(27) = -1 EBADF (Bad file descriptor) [pid 3942] close(28) = -1 EBADF (Bad file descriptor) [pid 3943] <... ioctl resumed>) = 0 [pid 3942] close(29 [pid 3941] close(11 [pid 3940] close(23 [pid 3939] close(28 [pid 3943] close(4 [pid 3942] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] <... close resumed>) = 0 [pid 3942] exit_group(0 [pid 3943] close(3 [pid 3942] <... exit_group resumed>) = ? [pid 3943] <... close resumed>) = 0 [pid 3942] +++ exited with 0 +++ [pid 3943] close(3 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3943] close(4) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3943] close(5 [pid 3625] <... openat resumed>) = 3 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3943] close(6 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] close(3 [pid 3943] close(7 [pid 3625] <... close resumed>) = 0 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3943] close(8 [pid 3941] close(12 [pid 3940] close(24 [pid 3939] close(29 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 21 [pid 3943] close(9 [pid 3941] close(13 [pid 3940] close(25 [pid 3939] exit_group(0 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] <... exit_group resumed>) = ? [pid 3943] close(10 [pid 3941] close(14 [pid 3940] close(26./strace-static-x86_64: Process 3954 attached [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3939] +++ exited with 0 +++ [ 51.799130][ T3924] EXT4-fs (loop1): get root inode failed [ 51.799144][ T3924] EXT4-fs (loop1): mount failed [ 51.799365][ T3926] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 51.800812][ T3926] EXT4-fs (loop0): get root inode failed [pid 3954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3943] close(11 [pid 3941] close(15 [pid 3940] close(27 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3954] <... prctl resumed>) = 0 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] setpgid(0, 0 [pid 3943] close(12 [pid 3941] close(16 [pid 3940] close(28 [pid 3954] <... setpgid resumed>) = 0 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3943] close(13 [pid 3941] close(17 [pid 3940] close(29 [pid 3627] <... openat resumed>) = 3 [pid 3954] <... openat resumed>) = 3 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3954] write(3, "1000", 4 [pid 3943] close(14 [pid 3941] close(18 [pid 3940] exit_group(0 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3954] <... write resumed>) = 4 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] <... exit_group resumed>) = ? [pid 3627] close(3 [pid 3954] close(3 [pid 3943] close(15 [pid 3941] close(19 [pid 3627] <... close resumed>) = 0 [pid 3954] <... close resumed>) = 0 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3940] +++ exited with 0 +++ [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3954] memfd_create("syzkaller", 0 [pid 3943] close(16 [pid 3941] close(20 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3954] <... memfd_create resumed>) = 3 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 19 [pid 3954] ftruncate(3, 135266304 [pid 3943] close(17 [pid 3941] close(21 [pid 3954] <... ftruncate resumed>) = 0 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 3955 attached [pid 3954] 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 [pid 3943] close(18 [pid 3941] close(22 [pid 3626] <... openat resumed>) = 3 [pid 3955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3954] <... pwrite64 resumed>) = 102 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3955] <... prctl resumed>) = 0 [pid 3954] pwrite64(3, NULL, 0, 1248 [pid 3943] close(19 [pid 3941] close(23 [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3955] setpgid(0, 0 [pid 3954] <... pwrite64 resumed>) = 0 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] close(3 [pid 3955] <... setpgid resumed>) = 0 [pid 3954] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3943] close(20 [pid 3941] close(24 [pid 3626] <... close resumed>) = 0 [pid 3955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3954] <... pwrite64 resumed>) = 9 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3955] <... openat resumed>) = 3 [pid 3954] pwrite64(3, NULL, 0, 1600 [pid 3943] close(21 [pid 3941] close(25 [pid 3955] write(3, "1000", 4 [pid 3954] <... pwrite64 resumed>) = 0 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 20 [pid 3955] <... write resumed>) = 4 [pid 3954] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3943] close(22 [pid 3941] close(26./strace-static-x86_64: Process 3956 attached [pid 3955] close(3 [pid 3954] <... pwrite64 resumed>) = 9 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3955] <... close resumed>) = 0 [pid 3954] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3943] close(23 [pid 3941] close(27 [pid 3956] <... prctl resumed>) = 0 [pid 3955] memfd_create("syzkaller", 0 [pid 3954] <... pwrite64 resumed>) = 8 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 51.800827][ T3926] EXT4-fs (loop0): mount failed [ 51.805559][ T3925] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3956] setpgid(0, 0 [pid 3955] <... memfd_create resumed>) = 3 [pid 3954] pwrite64(3, NULL, 0, 26624 [pid 3943] close(24 [pid 3941] close(28 [pid 3956] <... setpgid resumed>) = 0 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3955] ftruncate(3, 135266304 [pid 3954] <... pwrite64 resumed>) = 0 [pid 3943] close(25 [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] <... openat resumed>) = 3 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] close(29 [pid 3954] pwrite64(3, NULL, 0, 36864 [pid 3956] write(3, "1000", 4 [pid 3955] <... ftruncate resumed>) = 0 [pid 3954] <... pwrite64 resumed>) = 0 [pid 3943] close(26 [pid 3941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] <... write resumed>) = 4 [pid 3955] 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 [pid 3954] pwrite64(3, NULL, 0, 4194300 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3941] exit_group(0 [pid 3956] close(3 [pid 3955] <... pwrite64 resumed>) = 102 [pid 3954] <... pwrite64 resumed>) = 0 [pid 3943] close(27 [pid 3941] <... exit_group resumed>) = ? [pid 3956] <... close resumed>) = 0 [pid 3955] pwrite64(3, NULL, 0, 1248 [pid 3954] pwrite64(3, NULL, 0, 69888 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] memfd_create("syzkaller", 0 [pid 3943] close(28 [pid 3941] +++ exited with 0 +++ [pid 3954] <... pwrite64 resumed>) = 0 [pid 3955] <... pwrite64 resumed>) = 0 [pid 3956] <... memfd_create resumed>) = 3 [pid 3955] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3954] pwrite64(3, NULL, 0, 71040 [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3956] ftruncate(3, 135266304 [pid 3955] <... pwrite64 resumed>) = 9 [pid 3954] <... pwrite64 resumed>) = 0 [pid 3943] close(29 [pid 3956] <... ftruncate resumed>) = 0 [pid 3955] pwrite64(3, NULL, 0, 1600 [pid 3954] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] 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 [pid 3955] <... pwrite64 resumed>) = 0 [pid 3954] <... openat resumed>) = 4 [pid 3943] exit_group(0 [pid 3956] <... pwrite64 resumed>) = 102 [pid 3943] <... exit_group resumed>) = ? [pid 3956] pwrite64(3, NULL, 0, 1248 [pid 3943] +++ exited with 0 +++ [pid 3956] <... pwrite64 resumed>) = 0 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3956] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3956] pwrite64(3, NULL, 0, 1600) = 0 [pid 3956] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3956] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3956] pwrite64(3, NULL, 0, 26624 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3956] <... pwrite64 resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 3956] pwrite64(3, NULL, 0, 36864 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3956] <... pwrite64 resumed>) = 0 [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3956] pwrite64(3, NULL, 0, 4194300 [pid 3624] close(3 [pid 3956] <... pwrite64 resumed>) = 0 [pid 3955] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3954] ioctl(4, LOOP_SET_FD, 3 [pid 3624] <... close resumed>) = 0 [pid 3956] pwrite64(3, NULL, 0, 69888 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3956] <... pwrite64 resumed>) = 0 [pid 3956] pwrite64(3, NULL, 0, 71040 [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 21 [pid 3956] <... pwrite64 resumed>) = 0 [pid 3956] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3956] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3956] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3956] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue"./strace-static-x86_64: Process 3957 attached [pid 3957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3957] setpgid(0, 0) = 0 [pid 3957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3957] write(3, "1000", 4) = 4 [pid 3957] close(3) = 0 [pid 3957] memfd_create("syzkaller", 0) = 3 [pid 3957] ftruncate(3, 135266304) = 0 [pid 3957] 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 3957] pwrite64(3, NULL, 0, 1248) = 0 [pid 3957] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3957] pwrite64(3, NULL, 0, 1600) = 0 [pid 3957] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3957] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3957] pwrite64(3, NULL, 0, 26624) = 0 [pid 3955] <... pwrite64 resumed>) = 9 [pid 3954] <... ioctl resumed>) = 0 [ 51.805964][ T3925] EXT4-fs (loop3): get root inode failed [ 51.805978][ T3925] EXT4-fs (loop3): mount failed [ 51.820883][ T3927] loop2: detected capacity change from 0 to 264192 [ 51.863206][ T3934] loop4: detected capacity change from 0 to 264192 [pid 3957] pwrite64(3, NULL, 0, 36864 [pid 3955] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3954] mkdir("./file0", 0777 [pid 3957] <... pwrite64 resumed>) = 0 [pid 3955] <... pwrite64 resumed>) = 8 [pid 3957] pwrite64(3, NULL, 0, 4194300) = 0 [pid 3957] pwrite64(3, NULL, 0, 69888) = 0 [pid 3957] pwrite64(3, NULL, 0, 71040) = 0 [pid 3957] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 3957] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3957] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3957] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3956] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3956] ioctl(4, LOOP_CLR_FD [pid 3955] pwrite64(3, NULL, 0, 26624 [pid 3954] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3955] <... pwrite64 resumed>) = 0 [pid 3954] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3629] <... openat resumed>) = 3 [pid 3955] pwrite64(3, NULL, 0, 36864) = 0 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3955] pwrite64(3, NULL, 0, 4194300 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3955] <... pwrite64 resumed>) = 0 [pid 3629] close(3 [pid 3955] pwrite64(3, NULL, 0, 69888 [pid 3629] <... close resumed>) = 0 [pid 3955] <... pwrite64 resumed>) = 0 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3955] pwrite64(3, NULL, 0, 71040) = 0 [pid 3955] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 23 [pid 3955] <... openat resumed>) = 4 [pid 3955] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3955] mkdir("./file0", 0777 [pid 3957] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3955] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3957] ioctl(4, LOOP_CLR_FD [pid 3955] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue"./strace-static-x86_64: Process 3962 attached [pid 3962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3962] setpgid(0, 0) = 0 [pid 3962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3962] write(3, "1000", 4) = 4 [pid 3962] close(3) = 0 [pid 3962] memfd_create("syzkaller", 0 [pid 3954] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3962] <... memfd_create resumed>) = 3 [pid 3962] ftruncate(3, 135266304 [pid 3954] ioctl(4, LOOP_CLR_FD [pid 3962] <... ftruncate resumed>) = 0 [pid 3962] 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 3962] pwrite64(3, NULL, 0, 1248) = 0 [pid 3962] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3962] pwrite64(3, NULL, 0, 1600) = 0 [pid 3962] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [ 51.880514][ T3927] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 51.880958][ T3927] EXT4-fs (loop2): get root inode failed [ 51.880971][ T3927] EXT4-fs (loop2): mount failed [pid 3962] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3962] pwrite64(3, NULL, 0, 26624) = 0 [pid 3962] pwrite64(3, NULL, 0, 36864) = 0 [pid 3962] pwrite64(3, NULL, 0, 4194300) = 0 [pid 3962] pwrite64(3, NULL, 0, 69888) = 0 [pid 3962] pwrite64(3, NULL, 0, 71040) = 0 [pid 3962] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 3962] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3962] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3962] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3957] <... ioctl resumed>) = 0 [pid 3956] <... ioctl resumed>) = 0 [pid 3954] <... ioctl resumed>) = 0 [pid 3957] close(4 [pid 3954] close(4) = 0 [pid 3954] close(3 [pid 3957] <... close resumed>) = 0 [pid 3956] close(4 [pid 3954] <... close resumed>) = 0 [pid 3955] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3957] close(3 [pid 3956] <... close resumed>) = 0 [pid 3955] ioctl(4, LOOP_CLR_FD [pid 3954] close(3) = -1 EBADF (Bad file descriptor) [pid 3954] close(4) = -1 EBADF (Bad file descriptor) [pid 3954] close(5) = -1 EBADF (Bad file descriptor) [pid 3954] close(6) = -1 EBADF (Bad file descriptor) [ 51.898372][ T3934] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 51.898786][ T3934] EXT4-fs (loop4): get root inode failed [ 51.898799][ T3934] EXT4-fs (loop4): mount failed [pid 3954] close(7) = -1 EBADF (Bad file descriptor) [pid 3954] close(8) = -1 EBADF (Bad file descriptor) [pid 3954] close(9) = -1 EBADF (Bad file descriptor) [pid 3954] close(10) = -1 EBADF (Bad file descriptor) [pid 3954] close(11) = -1 EBADF (Bad file descriptor) [pid 3954] close(12) = -1 EBADF (Bad file descriptor) [pid 3954] close(13 [pid 3957] <... close resumed>) = 0 [pid 3956] close(3 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(3 [pid 3956] <... close resumed>) = 0 [pid 3954] close(14 [pid 3962] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3962] ioctl(4, LOOP_CLR_FD [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(15 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] close(3 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(4 [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(16) = -1 EBADF (Bad file descriptor) [pid 3954] close(17) = -1 EBADF (Bad file descriptor) [pid 3954] close(18 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] close(4 [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(19) = -1 EBADF (Bad file descriptor) [pid 3954] close(20) = -1 EBADF (Bad file descriptor) [pid 3954] close(21) = -1 EBADF (Bad file descriptor) [pid 3954] close(22) = -1 EBADF (Bad file descriptor) [pid 3954] close(23) = -1 EBADF (Bad file descriptor) [pid 3954] close(24) = -1 EBADF (Bad file descriptor) [pid 3954] close(25) = -1 EBADF (Bad file descriptor) [pid 3954] close(26) = -1 EBADF (Bad file descriptor) [pid 3954] close(27) = -1 EBADF (Bad file descriptor) [pid 3954] close(28 [pid 3957] close(5 [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3954] close(29) = -1 EBADF (Bad file descriptor) [pid 3954] exit_group(0) = ? [pid 3954] +++ exited with 0 +++ [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 51.952495][ T3645] I/O error, dev loop4, sector 264064 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0 [ 52.097060][ T3939] loop1: detected capacity change from 0 to 264192 [ 52.137385][ T3940] loop0: detected capacity change from 0 to 264192 [ 52.146595][ T3939] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3956] close(5 [pid 3957] close(6 [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3956] close(6) = -1 EBADF (Bad file descriptor) [pid 3956] close(7) = -1 EBADF (Bad file descriptor) [pid 3957] close(7 [pid 3956] close(8 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3962] <... ioctl resumed>) = 0 [pid 3957] close(8 [pid 3956] close(9 [pid 3955] <... ioctl resumed>) = 0 [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] close(10) = -1 EBADF (Bad file descriptor) [pid 3956] close(11) = -1 EBADF (Bad file descriptor) [pid 3956] close(12) = -1 EBADF (Bad file descriptor) [pid 3962] close(4 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] close(13 [pid 3955] close(4 [pid 3625] <... restart_syscall resumed>) = 0 [pid 3962] <... close resumed>) = 0 [pid 3957] close(9 [pid 3956] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] <... close resumed>) = 0 [pid 3962] close(3 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3956] close(14) = -1 EBADF (Bad file descriptor) [pid 3955] close(3 [pid 3962] <... close resumed>) = 0 [pid 3957] close(10 [pid 3956] close(15) = -1 EBADF (Bad file descriptor) [pid 3956] close(16) = -1 EBADF (Bad file descriptor) [pid 3956] close(17) = -1 EBADF (Bad file descriptor) [pid 3956] close(18) = -1 EBADF (Bad file descriptor) [pid 3956] close(19) = -1 EBADF (Bad file descriptor) [pid 3956] close(20) = -1 EBADF (Bad file descriptor) [pid 3956] close(21) = -1 EBADF (Bad file descriptor) [pid 3956] close(22) = -1 EBADF (Bad file descriptor) [pid 3956] close(23) = -1 EBADF (Bad file descriptor) [pid 3956] close(24) = -1 EBADF (Bad file descriptor) [pid 3956] close(25) = -1 EBADF (Bad file descriptor) [pid 3956] close(26) = -1 EBADF (Bad file descriptor) [pid 3956] close(27) = -1 EBADF (Bad file descriptor) [pid 3956] close(28) = -1 EBADF (Bad file descriptor) [pid 3956] close(29) = -1 EBADF (Bad file descriptor) [pid 3962] close(3 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 52.147054][ T3939] EXT4-fs (loop1): get root inode failed [ 52.147069][ T3939] EXT4-fs (loop1): mount failed [ 52.158084][ T3941] loop3: detected capacity change from 0 to 264192 [ 52.165814][ T3942] loop2: detected capacity change from 0 to 264192 [ 52.191560][ T3940] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3956] exit_group(0 [pid 3955] <... close resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3956] <... exit_group resumed>) = ? [pid 3956] +++ exited with 0 +++ [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(11 [pid 3962] close(4 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] close(3 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] <... openat resumed>) = 3 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(12 [pid 3962] close(5 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(13 [pid 3962] close(6 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(14 [pid 3962] close(7 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(15 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3962] close(8 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] close(4 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(16 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3962] close(9 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] close(5 [pid 3625] close(3 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(17 [pid 3962] close(10 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(18 [pid 3962] close(11 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(19 [pid 3962] close(12 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(20 [pid 3962] close(13 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(21 [pid 3962] close(14 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(22 [pid 3962] close(15 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(23 [pid 3962] close(16 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(24 [pid 3962] close(17 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(25 [pid 3962] close(18 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(26 [ 52.209860][ T3940] EXT4-fs (loop0): get root inode failed [ 52.209875][ T3940] EXT4-fs (loop0): mount failed [ 52.219450][ T3941] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 52.226862][ T3941] EXT4-fs (loop3): get root inode failed [ 52.226878][ T3941] EXT4-fs (loop3): mount failed [pid 3962] close(19 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(27 [pid 3962] close(20 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(28 [pid 3962] close(21 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] close(29 [pid 3962] close(22 [pid 3957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] exit_group(0 [pid 3962] close(23 [pid 3957] <... exit_group resumed>) = ? [pid 3962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3957] +++ exited with 0 +++ [pid 3962] close(24) = -1 EBADF (Bad file descriptor) [pid 3955] close(6 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3962] close(25) = -1 EBADF (Bad file descriptor) [pid 3962] close(26) = -1 EBADF (Bad file descriptor) [pid 3962] close(27) = -1 EBADF (Bad file descriptor) [pid 3962] close(28) = -1 EBADF (Bad file descriptor) [pid 3962] close(29) = -1 EBADF (Bad file descriptor) [pid 3962] exit_group(0) = ? [pid 3962] +++ exited with 0 +++ [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3955] close(7 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3626] <... openat resumed>) = 3 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3629] <... openat resumed>) = 3 [pid 3624] close(3 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 22 [pid 3624] <... close resumed>) = 0 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3629] close(3) = 0 [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 22 ./strace-static-x86_64: Process 3969 attached [pid 3955] close(8 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 24 ./strace-static-x86_64: Process 3971 attached ./strace-static-x86_64: Process 3970 attached [pid 3971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3971] setpgid(0, 0 [pid 3970] <... prctl resumed>) = 0 [pid 3971] <... setpgid resumed>) = 0 [pid 3970] setpgid(0, 0 [pid 3971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3970] <... setpgid resumed>) = 0 [pid 3969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 52.239557][ T3942] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 52.239959][ T3942] EXT4-fs (loop2): get root inode failed [ 52.239971][ T3942] EXT4-fs (loop2): mount failed [ 52.240472][ T3943] loop4: detected capacity change from 0 to 264192 [ 52.287171][ T3943] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 52.287609][ T3943] EXT4-fs (loop4): get root inode failed [pid 3626] close(3 [pid 3971] <... openat resumed>) = 3 [pid 3970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3971] write(3, "1000", 4 [pid 3970] <... openat resumed>) = 3 [pid 3971] <... write resumed>) = 4 [pid 3970] write(3, "1000", 4 [pid 3969] <... prctl resumed>) = 0 [pid 3955] close(9 [pid 3626] <... close resumed>) = 0 [pid 3971] close(3 [pid 3970] <... write resumed>) = 4 [pid 3971] <... close resumed>) = 0 [pid 3970] close(3 [pid 3969] setpgid(0, 0 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3971] memfd_create("syzkaller", 0 [pid 3970] <... close resumed>) = 0 [pid 3971] <... memfd_create resumed>) = 3 [pid 3970] memfd_create("syzkaller", 0 [pid 3971] ftruncate(3, 135266304 [pid 3970] <... memfd_create resumed>) = 3 [pid 3971] <... ftruncate resumed>) = 0 [pid 3970] ftruncate(3, 135266304 [pid 3971] 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 [pid 3970] <... ftruncate resumed>) = 0 [pid 3971] <... pwrite64 resumed>) = 102 [pid 3970] 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 [pid 3969] <... setpgid resumed>) = 0 [pid 3955] close(10./strace-static-x86_64: Process 3972 attached [pid 3971] pwrite64(3, NULL, 0, 1248 [pid 3970] <... pwrite64 resumed>) = 102 [pid 3971] <... pwrite64 resumed>) = 0 [pid 3970] pwrite64(3, NULL, 0, 1248 [pid 3972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3971] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3970] <... pwrite64 resumed>) = 0 [pid 3969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 21 [pid 3971] <... pwrite64 resumed>) = 9 [pid 3970] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3972] <... prctl resumed>) = 0 [pid 3971] pwrite64(3, NULL, 0, 1600 [pid 3970] <... pwrite64 resumed>) = 9 [pid 3972] setpgid(0, 0 [pid 3971] <... pwrite64 resumed>) = 0 [pid 3970] pwrite64(3, NULL, 0, 1600 [pid 3969] <... openat resumed>) = 3 [pid 3955] close(11 [pid 3971] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3970] <... pwrite64 resumed>) = 0 [pid 3971] <... pwrite64 resumed>) = 9 [pid 3970] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3971] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3970] <... pwrite64 resumed>) = 9 [pid 3971] <... pwrite64 resumed>) = 8 [pid 3970] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3971] pwrite64(3, NULL, 0, 26624 [pid 3970] <... pwrite64 resumed>) = 8 [pid 3971] <... pwrite64 resumed>) = 0 [pid 3970] pwrite64(3, NULL, 0, 26624 [pid 3972] <... setpgid resumed>) = 0 [pid 3971] pwrite64(3, NULL, 0, 36864 [pid 3970] <... pwrite64 resumed>) = 0 [pid 3969] write(3, "1000", 4 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3971] <... pwrite64 resumed>) = 0 [pid 3970] pwrite64(3, NULL, 0, 36864 [pid 3971] pwrite64(3, NULL, 0, 4194300 [pid 3970] <... pwrite64 resumed>) = 0 [pid 3971] <... pwrite64 resumed>) = 0 [pid 3970] pwrite64(3, NULL, 0, 4194300 [pid 3971] pwrite64(3, NULL, 0, 69888 [pid 3970] <... pwrite64 resumed>) = 0 [pid 3971] <... pwrite64 resumed>) = 0 [pid 3970] pwrite64(3, NULL, 0, 69888 [pid 3971] pwrite64(3, NULL, 0, 71040 [pid 3970] <... pwrite64 resumed>) = 0 [pid 3972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3971] <... pwrite64 resumed>) = 0 [ 52.287623][ T3943] EXT4-fs (loop4): mount failed [ 52.486848][ T3956] loop0: detected capacity change from 0 to 264192 [ 52.505918][ T3954] loop2: detected capacity change from 0 to 264192 [ 52.510173][ T3957] loop4: detected capacity change from 0 to 264192 [ 52.511778][ T3956] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 52.512286][ T3956] EXT4-fs (loop0): get root inode failed [ 52.512299][ T3956] EXT4-fs (loop0): mount failed [pid 3970] pwrite64(3, NULL, 0, 71040 [pid 3969] <... write resumed>) = 4 [pid 3955] close(12 [pid 3971] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3970] <... pwrite64 resumed>) = 0 [pid 3971] <... openat resumed>) = 4 [pid 3970] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3971] ioctl(4, LOOP_SET_FD, 3 [pid 3970] <... openat resumed>) = 4 [pid 3971] <... ioctl resumed>) = 0 [pid 3970] ioctl(4, LOOP_SET_FD, 3 [pid 3971] mkdir("./file0", 0777 [pid 3970] <... ioctl resumed>) = 0 [pid 3971] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3970] mkdir("./file0", 0777 [pid 3971] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3970] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3970] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3972] <... openat resumed>) = 3 [pid 3969] close(3 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] write(3, "1000", 4 [pid 3969] <... close resumed>) = 0 [pid 3955] close(13 [pid 3972] <... write resumed>) = 4 [pid 3972] close(3 [pid 3969] memfd_create("syzkaller", 0 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = 0 [pid 3969] <... memfd_create resumed>) = 3 [pid 3955] close(14 [pid 3972] memfd_create("syzkaller", 0 [pid 3970] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3969] ftruncate(3, 135266304 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 52.527524][ T3957] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 52.527989][ T3957] EXT4-fs (loop4): get root inode failed [ 52.528002][ T3957] EXT4-fs (loop4): mount failed [ 52.531242][ T3955] loop1: detected capacity change from 0 to 264192 [ 52.550199][ T3954] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3970] ioctl(4, LOOP_CLR_FD [pid 3972] <... memfd_create resumed>) = 3 [pid 3971] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3969] <... ftruncate resumed>) = 0 [pid 3955] close(15 [pid 3971] ioctl(4, LOOP_CLR_FD [pid 3972] ftruncate(3, 135266304 [pid 3971] <... ioctl resumed>) = 0 [pid 3969] 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 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3971] close(4) = 0 [pid 3971] close(3) = 0 [pid 3972] <... ftruncate resumed>) = 0 [pid 3971] close(3 [pid 3969] <... pwrite64 resumed>) = 102 [pid 3955] close(16 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3971] close(4) = -1 EBADF (Bad file descriptor) [pid 3971] close(5) = -1 EBADF (Bad file descriptor) [pid 3971] close(6) = -1 EBADF (Bad file descriptor) [pid 3971] close(7) = -1 EBADF (Bad file descriptor) [pid 3971] close(8) = -1 EBADF (Bad file descriptor) [pid 3971] close(9) = -1 EBADF (Bad file descriptor) [pid 3972] 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 [pid 3971] close(10 [pid 3969] pwrite64(3, NULL, 0, 1248 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... pwrite64 resumed>) = 102 [pid 3971] close(11 [pid 3969] <... pwrite64 resumed>) = 0 [pid 3955] close(17 [pid 3972] pwrite64(3, NULL, 0, 1248 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... ioctl resumed>) = 0 [pid 3971] close(12 [pid 3970] close(4 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = 0 [pid 3972] <... pwrite64 resumed>) = 0 [pid 3971] close(13 [pid 3970] close(3 [pid 3969] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = 0 [pid 3969] <... pwrite64 resumed>) = 9 [ 52.550619][ T3954] EXT4-fs (loop2): get root inode failed [ 52.550631][ T3954] EXT4-fs (loop2): mount failed [ 52.575144][ T3962] loop3: detected capacity change from 0 to 264192 [ 52.578509][ T3955] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 52.578938][ T3955] EXT4-fs (loop1): get root inode failed [pid 3955] close(18 [pid 3971] close(14 [pid 3970] close(3 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... pwrite64 resumed>) = 9 [pid 3971] close(15 [pid 3970] close(4 [pid 3969] pwrite64(3, NULL, 0, 1600 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] pwrite64(3, NULL, 0, 1600 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3971] close(16 [pid 3970] close(5 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3971] close(17 [pid 3970] close(6 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3971] close(18 [pid 3970] close(7 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] <... pwrite64 resumed>) = 0 [pid 3972] <... pwrite64 resumed>) = 0 [pid 3955] close(19 [pid 3971] close(19 [pid 3970] close(8 [pid 3972] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... pwrite64 resumed>) = 9 [pid 3971] close(20 [pid 3970] close(9 [pid 3955] close(20 [pid 3972] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] <... pwrite64 resumed>) = 9 [pid 3971] close(21 [pid 3970] close(10 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3971] close(22 [pid 3970] close(11 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3971] close(23 [pid 3970] close(12 [pid 3972] <... pwrite64 resumed>) = 8 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3971] close(24 [pid 3970] close(13 [pid 3972] pwrite64(3, NULL, 0, 26624 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] <... pwrite64 resumed>) = 8 [pid 3955] close(21 [pid 3972] <... pwrite64 resumed>) = 0 [pid 3971] close(25 [pid 3970] close(14 [pid 3969] pwrite64(3, NULL, 0, 26624 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] pwrite64(3, NULL, 0, 36864 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3971] close(26 [pid 3970] close(15 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... pwrite64 resumed>) = 0 [pid 3971] close(27 [pid 3970] close(16 [pid 3969] <... pwrite64 resumed>) = 0 [pid 3955] close(22 [pid 3972] pwrite64(3, NULL, 0, 4194300 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] pwrite64(3, NULL, 0, 36864 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... pwrite64 resumed>) = 0 [pid 3971] close(28 [pid 3970] close(17 [pid 3969] <... pwrite64 resumed>) = 0 [pid 3955] close(23 [pid 3972] pwrite64(3, NULL, 0, 69888 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] pwrite64(3, NULL, 0, 4194300 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 52.578951][ T3955] EXT4-fs (loop1): mount failed [ 52.622632][ T3962] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 52.623082][ T3962] EXT4-fs (loop3): get root inode failed [ 52.623094][ T3962] EXT4-fs (loop3): mount failed [ 52.868610][ T3971] loop3: detected capacity change from 0 to 264192 [ 52.870302][ T3970] loop4: detected capacity change from 0 to 264192 [pid 3972] <... pwrite64 resumed>) = 0 [pid 3971] close(29 [pid 3970] close(18 [pid 3971] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3971] exit_group(0 [pid 3970] close(19 [pid 3971] <... exit_group resumed>) = ? [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3971] +++ exited with 0 +++ [pid 3970] close(20) = -1 EBADF (Bad file descriptor) [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3970] close(21 [pid 3629] restart_syscall(<... resuming interrupted clone ...> [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... restart_syscall resumed>) = 0 [pid 3972] pwrite64(3, NULL, 0, 71040 [pid 3970] close(22 [pid 3969] <... pwrite64 resumed>) = 0 [pid 3955] close(24 [pid 3972] <... pwrite64 resumed>) = 0 [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] close(23 [pid 3969] pwrite64(3, NULL, 0, 69888 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3972] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... openat resumed>) = 3 [pid 3970] close(24 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3970] close(25 [pid 3629] close(3 [pid 3972] <... openat resumed>) = 4 [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] <... pwrite64 resumed>) = 0 [pid 3955] close(25 [pid 3629] <... close resumed>) = 0 [pid 3970] close(26 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3970] close(27 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 25 [pid 3972] ioctl(4, LOOP_SET_FD, 3 [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] pwrite64(3, NULL, 0, 71040 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... ioctl resumed>) = 0 [pid 3970] close(28 [pid 3969] <... pwrite64 resumed>) = 0 [pid 3955] close(26 [pid 3972] mkdir("./file0", 0777 [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3970] close(29 [pid 3969] <... openat resumed>) = 4 [pid 3955] close(27./strace-static-x86_64: Process 3977 attached [pid 3972] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3970] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 52.887997][ T3970] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 52.888450][ T3970] EXT4-fs (loop4): get root inode failed [ 52.888463][ T3970] EXT4-fs (loop4): mount failed [ 52.897784][ T3971] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 52.898551][ T3971] EXT4-fs (loop3): get root inode failed [ 52.898565][ T3971] EXT4-fs (loop3): mount failed [pid 3969] ioctl(4, LOOP_SET_FD, 3 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3970] exit_group(0 [pid 3977] <... prctl resumed>) = 0 [pid 3970] <... exit_group resumed>) = ? [pid 3977] setpgid(0, 0 [pid 3970] +++ exited with 0 +++ [pid 3977] <... setpgid resumed>) = 0 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3969] <... ioctl resumed>) = 0 [pid 3955] close(28 [pid 3977] <... openat resumed>) = 3 [pid 3977] write(3, "1000", 4 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3977] <... write resumed>) = 4 [pid 3624] <... openat resumed>) = 3 [pid 3977] close(3 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3977] <... close resumed>) = 0 [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3977] memfd_create("syzkaller", 0 [pid 3624] close(3 [pid 3977] <... memfd_create resumed>) = 3 [pid 3969] mkdir("./file0", 0777 [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 3977] ftruncate(3, 135266304 [pid 3969] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3955] close(29 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3977] <... ftruncate resumed>) = 0 [pid 3969] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3955] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] 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 [pid 3955] exit_group(0 [pid 3977] <... pwrite64 resumed>) = 102 [pid 3955] <... exit_group resumed>) = ? [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 23 [pid 3977] pwrite64(3, NULL, 0, 1248 [pid 3955] +++ exited with 0 +++ [pid 3977] <... pwrite64 resumed>) = 0 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3977] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3977] pwrite64(3, NULL, 0, 1600) = 0 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3977] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3627] <... openat resumed>) = 3 [pid 3977] <... pwrite64 resumed>) = 9 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3977] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3977] <... pwrite64 resumed>) = 8 [pid 3627] close(3 [pid 3977] pwrite64(3, NULL, 0, 26624 [pid 3627] <... close resumed>) = 0 [pid 3977] <... pwrite64 resumed>) = 0 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3978 attached [pid 3977] pwrite64(3, NULL, 0, 36864 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 20 [pid 3978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3977] <... pwrite64 resumed>) = 0 [pid 3978] <... prctl resumed>) = 0 [pid 3977] pwrite64(3, NULL, 0, 4194300 [pid 3978] setpgid(0, 0 [pid 3977] <... pwrite64 resumed>) = 0 [pid 3978] <... setpgid resumed>) = 0 [pid 3977] pwrite64(3, NULL, 0, 69888 [pid 3978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3977] <... pwrite64 resumed>) = 0 [pid 3978] <... openat resumed>) = 3 [pid 3977] pwrite64(3, NULL, 0, 71040 [pid 3978] write(3, "1000", 4 [pid 3977] <... pwrite64 resumed>) = 0 [pid 3978] <... write resumed>) = 4 [pid 3977] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3978] close(3 [pid 3977] <... openat resumed>) = 4 ./strace-static-x86_64: Process 3981 attached [pid 3978] <... close resumed>) = 0 [pid 3978] memfd_create("syzkaller", 0 [pid 3977] ioctl(4, LOOP_SET_FD, 3 [pid 3978] <... memfd_create resumed>) = 3 [pid 3978] ftruncate(3, 135266304) = 0 [pid 3978] 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 3978] pwrite64(3, NULL, 0, 1248) = 0 [pid 3978] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 3978] pwrite64(3, NULL, 0, 1600) = 0 [pid 3978] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [ 53.073867][ T3972] loop0: detected capacity change from 0 to 264192 [ 53.086673][ T3969] loop2: detected capacity change from 0 to 264192 [pid 3981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3978] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3977] <... ioctl resumed>) = 0 [pid 3981] <... prctl resumed>) = 0 [pid 3977] mkdir("./file0", 0777 [pid 3981] setpgid(0, 0 [pid 3977] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3972] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3981] <... setpgid resumed>) = 0 [pid 3977] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3972] ioctl(4, LOOP_CLR_FD [pid 3981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3978] <... pwrite64 resumed>) = 8 [pid 3981] <... openat resumed>) = 3 [pid 3978] pwrite64(3, NULL, 0, 26624 [pid 3981] write(3, "1000", 4 [pid 3978] <... pwrite64 resumed>) = 0 [pid 3981] <... write resumed>) = 4 [pid 3978] pwrite64(3, NULL, 0, 36864 [pid 3981] close(3 [pid 3978] <... pwrite64 resumed>) = 0 [pid 3981] <... close resumed>) = 0 [pid 3978] pwrite64(3, NULL, 0, 4194300 [pid 3981] memfd_create("syzkaller", 0 [pid 3978] <... pwrite64 resumed>) = 0 [pid 3981] <... memfd_create resumed>) = 3 [pid 3978] pwrite64(3, NULL, 0, 69888 [pid 3981] ftruncate(3, 135266304) = 0 [pid 3981] 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 3981] pwrite64(3, NULL, 0, 1248 [pid 3978] <... pwrite64 resumed>) = 0 [pid 3969] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3981] <... pwrite64 resumed>) = 0 [pid 3978] pwrite64(3, NULL, 0, 71040 [pid 3969] ioctl(4, LOOP_CLR_FD [pid 3981] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3978] <... pwrite64 resumed>) = 0 [pid 3981] <... pwrite64 resumed>) = 9 [pid 3978] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3981] pwrite64(3, NULL, 0, 1600 [pid 3978] <... openat resumed>) = 4 [pid 3981] <... pwrite64 resumed>) = 0 [ 53.115313][ T3972] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3978] ioctl(4, LOOP_SET_FD, 3 [pid 3981] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3978] <... ioctl resumed>) = 0 [pid 3981] <... pwrite64 resumed>) = 9 [pid 3978] mkdir("./file0", 0777 [pid 3977] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3981] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3977] ioctl(4, LOOP_CLR_FD [pid 3981] <... pwrite64 resumed>) = 8 [pid 3977] <... ioctl resumed>) = 0 [pid 3981] pwrite64(3, NULL, 0, 26624 [pid 3977] close(4 [pid 3981] <... pwrite64 resumed>) = 0 [pid 3977] <... close resumed>) = 0 [pid 3981] pwrite64(3, NULL, 0, 36864 [pid 3977] close(3 [pid 3981] <... pwrite64 resumed>) = 0 [pid 3978] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3977] <... close resumed>) = 0 [pid 3972] <... ioctl resumed>) = 0 [pid 3981] pwrite64(3, NULL, 0, 4194300 [pid 3977] close(3 [pid 3972] close(4 [pid 3969] <... ioctl resumed>) = 0 [pid 3981] <... pwrite64 resumed>) = 0 [pid 3978] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = 0 [pid 3981] pwrite64(3, NULL, 0, 69888 [pid 3977] close(4 [pid 3972] close(3 [pid 3969] close(4 [pid 3981] <... pwrite64 resumed>) = 0 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = 0 [pid 3969] <... close resumed>) = 0 [pid 3981] pwrite64(3, NULL, 0, 71040 [pid 3977] close(5 [pid 3972] close(3 [pid 3969] close(3 [pid 3981] <... pwrite64 resumed>) = 0 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] <... close resumed>) = 0 [pid 3981] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3977] close(6 [pid 3972] close(4 [pid 3969] close(3 [pid 3981] <... openat resumed>) = 4 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3981] ioctl(4, LOOP_SET_FD, 3 [pid 3977] close(7 [pid 3972] close(5 [pid 3981] <... ioctl resumed>) = 0 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 53.115754][ T3972] EXT4-fs (loop0): get root inode failed [ 53.115767][ T3972] EXT4-fs (loop0): mount failed [ 53.119706][ T3977] loop3: detected capacity change from 0 to 264192 [pid 3981] mkdir("./file0", 0777 [pid 3977] close(8 [pid 3972] close(6 [pid 3981] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3981] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3977] close(9 [pid 3972] close(7 [pid 3969] close(4 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(10 [pid 3972] close(8 [pid 3969] close(5 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(11 [pid 3972] close(9 [pid 3969] close(6 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(12 [pid 3972] close(10 [pid 3969] close(7 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(13 [pid 3972] close(11 [pid 3969] close(8 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3978] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3977] close(14 [pid 3972] close(12 [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3978] ioctl(4, LOOP_CLR_FD [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] close(9 [ 53.158573][ T3969] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3977] close(15 [pid 3972] close(13 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(16 [pid 3972] close(14 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(17 [pid 3972] close(15 [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3981] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] close(10 [pid 3981] ioctl(4, LOOP_CLR_FD [pid 3969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3969] close(11) = -1 EBADF (Bad file descriptor) [pid 3969] close(12) = -1 EBADF (Bad file descriptor) [pid 3969] close(13) = -1 EBADF (Bad file descriptor) [pid 3969] close(14) = -1 EBADF (Bad file descriptor) [pid 3969] close(15) = -1 EBADF (Bad file descriptor) [pid 3969] close(16) = -1 EBADF (Bad file descriptor) [pid 3977] close(18 [pid 3972] close(16 [pid 3969] close(17) = -1 EBADF (Bad file descriptor) [pid 3969] close(18) = -1 EBADF (Bad file descriptor) [pid 3969] close(19) = -1 EBADF (Bad file descriptor) [pid 3969] close(20) = -1 EBADF (Bad file descriptor) [pid 3969] close(21) = -1 EBADF (Bad file descriptor) [pid 3969] close(22) = -1 EBADF (Bad file descriptor) [pid 3969] close(23) = -1 EBADF (Bad file descriptor) [pid 3969] close(24) = -1 EBADF (Bad file descriptor) [pid 3969] close(25) = -1 EBADF (Bad file descriptor) [pid 3969] close(26) = -1 EBADF (Bad file descriptor) [pid 3969] close(27) = -1 EBADF (Bad file descriptor) [pid 3969] close(28) = -1 EBADF (Bad file descriptor) [pid 3969] close(29) = -1 EBADF (Bad file descriptor) [pid 3969] exit_group(0) = ? [pid 3969] +++ exited with 0 +++ [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3625] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 53.159009][ T3969] EXT4-fs (loop2): get root inode failed [ 53.159022][ T3969] EXT4-fs (loop2): mount failed [ 53.170673][ T3978] loop4: detected capacity change from 0 to 264192 [ 53.172176][ T3977] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 53.172695][ T3977] EXT4-fs (loop3): get root inode failed [ 53.172709][ T3977] EXT4-fs (loop3): mount failed [pid 3625] close(3 [pid 3977] close(19 [pid 3972] close(17 [pid 3625] <... close resumed>) = 0 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3977] close(20 [pid 3972] close(18 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 23 [pid 3978] <... ioctl resumed>) = 0 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(21 [pid 3972] close(19 [pid 3978] close(4./strace-static-x86_64: Process 3990 attached [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3981] <... ioctl resumed>) = 0 [pid 3978] <... close resumed>) = 0 [pid 3977] close(22 [pid 3972] close(20 [pid 3981] close(4) = 0 [pid 3981] close(3) = 0 [pid 3981] close(3) = -1 EBADF (Bad file descriptor) [pid 3981] close(4) = -1 EBADF (Bad file descriptor) [pid 3981] close(5) = -1 EBADF (Bad file descriptor) [pid 3981] close(6) = -1 EBADF (Bad file descriptor) [pid 3981] close(7) = -1 EBADF (Bad file descriptor) [pid 3981] close(8) = -1 EBADF (Bad file descriptor) [pid 3981] close(9) = -1 EBADF (Bad file descriptor) [pid 3981] close(10) = -1 EBADF (Bad file descriptor) [pid 3981] close(11) = -1 EBADF (Bad file descriptor) [pid 3981] close(12) = -1 EBADF (Bad file descriptor) [pid 3981] close(13) = -1 EBADF (Bad file descriptor) [pid 3981] close(14) = -1 EBADF (Bad file descriptor) [pid 3981] close(15) = -1 EBADF (Bad file descriptor) [pid 3981] close(16) = -1 EBADF (Bad file descriptor) [pid 3981] close(17) = -1 EBADF (Bad file descriptor) [ 53.218931][ T3981] loop1: detected capacity change from 0 to 264192 [ 53.245582][ T3978] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 53.246066][ T3978] EXT4-fs (loop4): get root inode failed [ 53.246227][ T3978] EXT4-fs (loop4): mount failed [ 53.259012][ T3981] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 53.259458][ T3981] EXT4-fs (loop1): get root inode failed [pid 3990] <... prctl resumed>) = 0 [pid 3981] close(18 [pid 3978] close(3 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3981] close(19) = -1 EBADF (Bad file descriptor) [pid 3981] close(20) = -1 EBADF (Bad file descriptor) [pid 3981] close(21) = -1 EBADF (Bad file descriptor) [pid 3981] close(22) = -1 EBADF (Bad file descriptor) [pid 3981] close(23) = -1 EBADF (Bad file descriptor) [pid 3981] close(24) = -1 EBADF (Bad file descriptor) [pid 3981] close(25) = -1 EBADF (Bad file descriptor) [pid 3981] close(26) = -1 EBADF (Bad file descriptor) [pid 3981] close(27) = -1 EBADF (Bad file descriptor) [pid 3990] setpgid(0, 0 [pid 3981] close(28 [pid 3978] <... close resumed>) = 0 [pid 3977] close(23 [pid 3972] close(21 [pid 3990] <... setpgid resumed>) = 0 [pid 3981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3978] close(3 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3981] close(29 [pid 3977] close(24 [pid 3972] close(22 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3990] <... openat resumed>) = 3 [pid 3981] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3978] close(4 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3990] write(3, "1000", 4 [pid 3981] exit_group(0 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(25 [pid 3972] close(23 [pid 3990] <... write resumed>) = 4 [pid 3981] <... exit_group resumed>) = ? [pid 3978] close(5 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3990] close(3 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(26 [pid 3972] close(24 [pid 3990] <... close resumed>) = 0 [pid 3981] +++ exited with 0 +++ [pid 3978] close(6 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3990] memfd_create("syzkaller", 0 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(27 [pid 3972] close(25 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3990] <... memfd_create resumed>) = 3 [pid 3978] close(7 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 3990] ftruncate(3, 135266304 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(28 [pid 3972] close(26 [pid 3627] <... restart_syscall resumed>) = 0 [pid 3990] <... ftruncate resumed>) = 0 [pid 3978] close(8 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3990] 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 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] close(29 [pid 3972] close(27 [pid 3990] <... pwrite64 resumed>) = 102 [pid 3978] close(9 [pid 3977] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3990] pwrite64(3, NULL, 0, 1248 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] exit_group(0 [pid 3972] close(28 [pid 3627] <... openat resumed>) = 3 [pid 3990] <... pwrite64 resumed>) = 0 [pid 3978] close(10 [pid 3977] <... exit_group resumed>) = ? [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3990] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3977] +++ exited with 0 +++ [pid 3972] close(29 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3990] <... pwrite64 resumed>) = 9 [pid 3978] close(11 [pid 3972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3627] close(3 [pid 3990] pwrite64(3, NULL, 0, 1600 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] exit_group(0 [pid 3627] <... close resumed>) = 0 [pid 3990] <... pwrite64 resumed>) = 0 [ 53.259472][ T3981] EXT4-fs (loop1): mount failed [pid 3978] close(12 [pid 3972] <... exit_group resumed>) = ? [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3990] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3972] +++ exited with 0 +++ [pid 3990] <... pwrite64 resumed>) = 9 [pid 3978] close(13 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 21 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3990] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 3991 attached [pid 3990] <... pwrite64 resumed>) = 8 [pid 3978] close(14 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3990] pwrite64(3, NULL, 0, 26624 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... openat resumed>) = 3 [pid 3991] <... prctl resumed>) = 0 [pid 3990] <... pwrite64 resumed>) = 0 [pid 3978] close(15 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3991] setpgid(0, 0 [pid 3990] pwrite64(3, NULL, 0, 36864 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3991] <... setpgid resumed>) = 0 [pid 3990] <... pwrite64 resumed>) = 0 [pid 3978] close(16 [pid 3629] close(3 [pid 3626] <... openat resumed>) = 3 [pid 3991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3990] pwrite64(3, NULL, 0, 4194300 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... close resumed>) = 0 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3990] <... pwrite64 resumed>) = 0 [pid 3978] close(17 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3991] <... openat resumed>) = 3 [pid 3990] pwrite64(3, NULL, 0, 69888 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] close(3 [pid 3991] write(3, "1000", 4 [pid 3990] <... pwrite64 resumed>) = 0 [pid 3978] close(18 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 26 [pid 3626] <... close resumed>) = 0 [pid 3990] pwrite64(3, NULL, 0, 71040 [pid 3991] <... write resumed>) = 4 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3990] <... pwrite64 resumed>) = 0 [pid 3978] close(19 [pid 3990] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] close(3 [pid 3990] <... openat resumed>) = 4 [pid 3978] close(20./strace-static-x86_64: Process 3992 attached [pid 3991] <... close resumed>) = 0 [pid 3990] ioctl(4, LOOP_SET_FD, 3 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 22 [pid 3992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3991] memfd_create("syzkaller", 0 [pid 3990] <... ioctl resumed>) = 0 [pid 3978] close(21./strace-static-x86_64: Process 3993 attached [pid 3992] <... prctl resumed>) = 0 [pid 3991] <... memfd_create resumed>) = 3 [pid 3990] mkdir("./file0", 0777 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] setpgid(0, 0 [pid 3991] ftruncate(3, 135266304 [pid 3990] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3978] close(22 [pid 3993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3992] <... setpgid resumed>) = 0 [pid 3991] <... ftruncate resumed>) = 0 [pid 3990] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] <... prctl resumed>) = 0 [pid 3992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3991] 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 [pid 3978] close(23 [pid 3992] <... openat resumed>) = 3 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] write(3, "1000", 4 [pid 3978] close(24 [pid 3992] <... write resumed>) = 4 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] close(3 [pid 3978] close(25 [pid 3992] <... close resumed>) = 0 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] memfd_create("syzkaller", 0 [pid 3978] close(26 [pid 3992] <... memfd_create resumed>) = 3 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] ftruncate(3, 135266304 [pid 3991] <... pwrite64 resumed>) = 102 [pid 3978] close(27 [pid 3993] setpgid(0, 0 [pid 3992] <... ftruncate resumed>) = 0 [pid 3991] pwrite64(3, NULL, 0, 1248 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] <... setpgid resumed>) = 0 [pid 3992] 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 [pid 3991] <... pwrite64 resumed>) = 0 [pid 3978] close(28 [pid 3993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3992] <... pwrite64 resumed>) = 102 [pid 3991] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] <... openat resumed>) = 3 [pid 3992] pwrite64(3, NULL, 0, 1248 [pid 3991] <... pwrite64 resumed>) = 9 [pid 3978] close(29 [pid 3993] write(3, "1000", 4 [pid 3992] <... pwrite64 resumed>) = 0 [pid 3991] pwrite64(3, NULL, 0, 1600 [pid 3978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] <... write resumed>) = 4 [pid 3992] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3991] <... pwrite64 resumed>) = 0 [pid 3990] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3978] exit_group(0 [pid 3993] close(3 [pid 3992] <... pwrite64 resumed>) = 9 [pid 3991] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3990] ioctl(4, LOOP_CLR_FD [pid 3978] <... exit_group resumed>) = ? [pid 3993] <... close resumed>) = 0 [pid 3992] pwrite64(3, NULL, 0, 1600 [pid 3991] <... pwrite64 resumed>) = 9 [pid 3978] +++ exited with 0 +++ [pid 3992] <... pwrite64 resumed>) = 0 [pid 3992] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3992] <... pwrite64 resumed>) = 9 [pid 3624] restart_syscall(<... resuming interrupted clone ...> [pid 3992] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3624] <... restart_syscall resumed>) = 0 [pid 3992] <... pwrite64 resumed>) = 8 [pid 3992] pwrite64(3, NULL, 0, 26624) = 0 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3992] pwrite64(3, NULL, 0, 36864 [pid 3624] <... openat resumed>) = 3 [pid 3992] <... pwrite64 resumed>) = 0 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3992] pwrite64(3, NULL, 0, 4194300 [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3992] <... pwrite64 resumed>) = 0 [pid 3624] close(3 [pid 3992] pwrite64(3, NULL, 0, 69888 [pid 3624] <... close resumed>) = 0 [pid 3993] memfd_create("syzkaller", 0 [pid 3992] <... pwrite64 resumed>) = 0 [pid 3991] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3993] <... memfd_create resumed>) = 3 [pid 3992] pwrite64(3, NULL, 0, 71040 [pid 3991] <... pwrite64 resumed>) = 8 [pid 3993] ftruncate(3, 135266304 [pid 3992] <... pwrite64 resumed>) = 0 [pid 3991] pwrite64(3, NULL, 0, 26624 [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 24 [pid 3993] <... ftruncate resumed>) = 0 [pid 3992] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3991] <... pwrite64 resumed>) = 0 [pid 3993] 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 [pid 3992] <... openat resumed>) = 4 [pid 3991] pwrite64(3, NULL, 0, 36864 [pid 3993] <... pwrite64 resumed>) = 102 [pid 3992] ioctl(4, LOOP_SET_FD, 3 [pid 3991] <... pwrite64 resumed>) = 0 [ 53.420013][ T3990] loop2: detected capacity change from 0 to 264192 [ 53.450345][ T3990] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated ./strace-static-x86_64: Process 3996 attached [pid 3993] pwrite64(3, NULL, 0, 1248 [pid 3996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3996] setpgid(0, 0) = 0 [pid 3996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3996] write(3, "1000", 4 [pid 3993] <... pwrite64 resumed>) = 0 [pid 3991] pwrite64(3, NULL, 0, 4194300 [pid 3996] <... write resumed>) = 4 [pid 3993] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3992] <... ioctl resumed>) = 0 [pid 3991] <... pwrite64 resumed>) = 0 [pid 3996] close(3 [pid 3993] <... pwrite64 resumed>) = 9 [pid 3992] mkdir("./file0", 0777 [pid 3991] pwrite64(3, NULL, 0, 69888 [pid 3996] <... close resumed>) = 0 [pid 3993] pwrite64(3, NULL, 0, 1600 [pid 3992] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3991] <... pwrite64 resumed>) = 0 [pid 3996] memfd_create("syzkaller", 0 [pid 3993] <... pwrite64 resumed>) = 0 [pid 3992] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3991] pwrite64(3, NULL, 0, 71040 [pid 3996] <... memfd_create resumed>) = 3 [pid 3990] <... ioctl resumed>) = 0 [pid 3996] ftruncate(3, 135266304 [pid 3990] close(4 [pid 3996] <... ftruncate resumed>) = 0 [pid 3990] <... close resumed>) = 0 [pid 3996] 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 [pid 3990] close(3 [pid 3996] <... pwrite64 resumed>) = 102 [pid 3990] <... close resumed>) = 0 [pid 3996] pwrite64(3, NULL, 0, 1248 [pid 3990] close(3 [pid 3996] <... pwrite64 resumed>) = 0 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3990] close(4 [pid 3996] <... pwrite64 resumed>) = 9 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] pwrite64(3, NULL, 0, 1600 [pid 3990] close(5 [pid 3996] <... pwrite64 resumed>) = 0 [pid 3993] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3991] <... pwrite64 resumed>) = 0 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3993] <... pwrite64 resumed>) = 9 [pid 3991] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3990] close(6 [pid 3996] <... pwrite64 resumed>) = 9 [pid 3993] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3991] <... openat resumed>) = 4 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3993] <... pwrite64 resumed>) = 8 [pid 3991] ioctl(4, LOOP_SET_FD, 3 [pid 3990] close(7 [pid 3996] <... pwrite64 resumed>) = 8 [ 53.450801][ T3990] EXT4-fs (loop2): get root inode failed [ 53.450814][ T3990] EXT4-fs (loop2): mount failed [ 53.492472][ T3992] loop3: detected capacity change from 0 to 264192 [pid 3992] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] pwrite64(3, NULL, 0, 26624 [pid 3992] ioctl(4, LOOP_CLR_FD [pid 3990] close(8 [pid 3996] <... pwrite64 resumed>) = 0 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] pwrite64(3, NULL, 0, 36864 [pid 3990] close(9 [pid 3996] <... pwrite64 resumed>) = 0 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] pwrite64(3, NULL, 0, 4194300 [pid 3990] close(10 [pid 3996] <... pwrite64 resumed>) = 0 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] pwrite64(3, NULL, 0, 69888 [pid 3990] close(11 [pid 3996] <... pwrite64 resumed>) = 0 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] pwrite64(3, NULL, 0, 71040 [pid 3990] close(12 [pid 3996] <... pwrite64 resumed>) = 0 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3990] close(13 [pid 3996] <... openat resumed>) = 4 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] ioctl(4, LOOP_SET_FD, 3 [pid 3993] pwrite64(3, NULL, 0, 26624 [pid 3991] <... ioctl resumed>) = 0 [pid 3990] close(14 [pid 3996] <... ioctl resumed>) = 0 [pid 3993] <... pwrite64 resumed>) = 0 [pid 3991] mkdir("./file0", 0777 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] mkdir("./file0", 0777 [pid 3993] pwrite64(3, NULL, 0, 36864 [pid 3991] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3990] close(15 [pid 3996] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3993] <... pwrite64 resumed>) = 0 [pid 3991] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 3993] pwrite64(3, NULL, 0, 4194300 [pid 3990] close(16 [pid 3993] <... pwrite64 resumed>) = 0 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] pwrite64(3, NULL, 0, 69888 [pid 3990] close(17 [pid 3993] <... pwrite64 resumed>) = 0 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] pwrite64(3, NULL, 0, 71040 [pid 3990] close(18) = -1 EBADF (Bad file descriptor) [pid 3993] <... pwrite64 resumed>) = 0 [pid 3990] close(19 [pid 3993] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] <... openat resumed>) = 4 [pid 3990] close(20 [pid 3993] ioctl(4, LOOP_SET_FD, 3 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] <... ioctl resumed>) = 0 [pid 3990] close(21 [pid 3993] mkdir("./file0", 0777 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3990] close(22) = -1 EBADF (Bad file descriptor) [pid 3990] close(23) = -1 EBADF (Bad file descriptor) [pid 3992] <... ioctl resumed>) = 0 [pid 3990] close(24 [pid 3992] close(4 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... close resumed>) = 0 [pid 3990] close(25 [pid 3993] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3992] close(3 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... close resumed>) = 0 [pid 3991] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3990] close(26 [pid 3992] close(3 [pid 3991] ioctl(4, LOOP_CLR_FD [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3990] close(27 [pid 3992] close(4 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3990] close(28 [pid 3992] close(5 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3990] close(29 [pid 3992] close(6 [pid 3990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3992] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 53.526225][ T3992] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 53.526660][ T3992] EXT4-fs (loop3): get root inode failed [pid 3990] exit_group(0 [pid 3992] close(7 [pid 3990] <... exit_group resumed>) = ? [pid 3992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3990] +++ exited with 0 +++ [pid 3992] close(8) = -1 EBADF (Bad file descriptor) [pid 3992] close(9 [pid 3996] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] ioctl(4, LOOP_CLR_FD [pid 3992] close(10) = -1 EBADF (Bad file descriptor) [pid 3992] close(11) = -1 EBADF (Bad file descriptor) [pid 3992] close(12) = -1 EBADF (Bad file descriptor) [pid 3992] close(13) = -1 EBADF (Bad file descriptor) [pid 3992] close(14) = -1 EBADF (Bad file descriptor) [pid 3992] close(15) = -1 EBADF (Bad file descriptor) [pid 3992] close(16) = -1 EBADF (Bad file descriptor) [pid 3992] close(17) = -1 EBADF (Bad file descriptor) [pid 3992] close(18) = -1 EBADF (Bad file descriptor) [pid 3992] close(19) = -1 EBADF (Bad file descriptor) [pid 3992] close(20) = -1 EBADF (Bad file descriptor) [pid 3992] close(21) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3992] close(22) = -1 EBADF (Bad file descriptor) [pid 3992] close(23) = -1 EBADF (Bad file descriptor) [pid 3992] close(24) = -1 EBADF (Bad file descriptor) [pid 3992] close(25) = -1 EBADF (Bad file descriptor) [pid 3992] close(26) = -1 EBADF (Bad file descriptor) [pid 3992] close(27) = -1 EBADF (Bad file descriptor) [pid 3992] close(28) = -1 EBADF (Bad file descriptor) [pid 3992] close(29) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3992] exit_group(0) = ? [pid 3625] <... openat resumed>) = 3 [pid 3993] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3992] +++ exited with 0 +++ [pid 3991] <... ioctl resumed>) = 0 [pid 3991] close(4 [pid 3993] ioctl(4, LOOP_CLR_FD [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3991] <... close resumed>) = 0 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3996] <... ioctl resumed>) = 0 [pid 3991] close(3 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3996] close(4 [pid 3991] <... close resumed>) = 0 [pid 3629] <... openat resumed>) = 3 [ 53.526673][ T3992] EXT4-fs (loop3): mount failed [ 53.543739][ T3991] loop1: detected capacity change from 0 to 264192 [ 53.544234][ T3996] loop4: detected capacity change from 0 to 264192 [pid 3625] close(3 [pid 3996] <... close resumed>) = 0 [pid 3991] close(3 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3625] <... close resumed>) = 0 [pid 3996] close(3 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3996] <... close resumed>) = 0 [pid 3991] close(4 [pid 3629] close(3 [pid 3996] close(3 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... close resumed>) = 0 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] close(5 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3996] close(4 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] close(6 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 27 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3996] close(5 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] close(7 [pid 3996] close(6 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] close(8./strace-static-x86_64: Process 4005 attached [pid 3996] close(7 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] close(9./strace-static-x86_64: Process 4006 attached [pid 4005] <... prctl resumed>) = 0 [pid 3996] close(8 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] setpgid(0, 0 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] close(10 [pid 4005] <... setpgid resumed>) = 0 [pid 3996] close(9 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 24 [pid 4006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] close(11 [pid 4005] <... openat resumed>) = 3 [pid 3996] close(10 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] write(3, "1000", 4 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] close(12 [pid 4006] <... prctl resumed>) = 0 [pid 4005] <... write resumed>) = 4 [pid 3996] close(11 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(3 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] close(13 [pid 4005] <... close resumed>) = 0 [pid 3996] close(12 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] memfd_create("syzkaller", 0 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] close(14 [pid 4005] <... memfd_create resumed>) = 3 [pid 3996] close(13 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] ftruncate(3, 135266304 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] close(15 [pid 4005] <... ftruncate resumed>) = 0 [pid 3996] close(14 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 53.564108][ T3993] loop0: detected capacity change from 0 to 264192 [ 53.576255][ T3991] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 53.576667][ T3991] EXT4-fs (loop1): get root inode failed [ 53.576697][ T3991] EXT4-fs (loop1): mount failed [ 53.594160][ T3996] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4005] 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 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] close(16 [pid 4006] setpgid(0, 0 [pid 4005] <... pwrite64 resumed>) = 102 [pid 3996] close(15 [pid 3993] <... ioctl resumed>) = 0 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] pwrite64(3, NULL, 0, 1248 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] close(17 [pid 4006] <... setpgid resumed>) = 0 [pid 4005] <... pwrite64 resumed>) = 0 [pid 3996] close(16 [pid 3993] close(4 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] close(18 [pid 4006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4005] <... pwrite64 resumed>) = 9 [pid 3996] close(17 [pid 3993] <... close resumed>) = 0 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] pwrite64(3, NULL, 0, 1600 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(3 [pid 3991] close(19 [pid 4005] <... pwrite64 resumed>) = 0 [pid 3996] close(18 [pid 3993] <... close resumed>) = 0 [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(3 [pid 3991] close(20 [pid 4006] <... openat resumed>) = 3 [pid 4005] <... pwrite64 resumed>) = 9 [pid 3996] close(19 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] write(3, "1000", 4 [pid 4005] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(4 [pid 3991] close(21 [pid 4005] <... pwrite64 resumed>) = 8 [pid 3996] close(20 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] pwrite64(3, NULL, 0, 26624 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(5 [pid 3991] close(22 [pid 4006] <... write resumed>) = 4 [pid 4005] <... pwrite64 resumed>) = 0 [pid 3996] close(21 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] close(3 [pid 4005] pwrite64(3, NULL, 0, 36864 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(6 [pid 3991] close(23 [pid 4006] <... close resumed>) = 0 [pid 4005] <... pwrite64 resumed>) = 0 [pid 3996] close(22 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] memfd_create("syzkaller", 0 [pid 4005] pwrite64(3, NULL, 0, 4194300 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(7 [pid 3991] close(24 [pid 4006] <... memfd_create resumed>) = 3 [pid 4005] <... pwrite64 resumed>) = 0 [pid 3996] close(23 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] ftruncate(3, 135266304 [pid 4005] pwrite64(3, NULL, 0, 69888 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(8 [pid 3991] close(25 [pid 4006] <... ftruncate resumed>) = 0 [pid 4005] <... pwrite64 resumed>) = 0 [pid 3996] close(24 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] 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 [pid 4005] pwrite64(3, NULL, 0, 71040 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(9 [pid 3991] close(26 [pid 4006] <... pwrite64 resumed>) = 102 [pid 4005] <... pwrite64 resumed>) = 0 [pid 3996] close(25 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] pwrite64(3, NULL, 0, 1248 [pid 4005] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(10 [pid 3991] close(27 [pid 4006] <... pwrite64 resumed>) = 0 [pid 4005] <... openat resumed>) = 4 [pid 3996] close(26 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4005] ioctl(4, LOOP_SET_FD, 3 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(11 [pid 3991] close(28 [pid 4006] <... pwrite64 resumed>) = 9 [pid 4005] <... ioctl resumed>) = 0 [pid 3996] close(27 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] pwrite64(3, NULL, 0, 1600 [pid 4005] mkdir("./file0", 0777 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(12 [pid 3991] close(29 [pid 4006] <... pwrite64 resumed>) = 0 [ 53.594541][ T3996] EXT4-fs (loop4): get root inode failed [ 53.594553][ T3996] EXT4-fs (loop4): mount failed [ 53.617802][ T3993] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 53.618248][ T3993] EXT4-fs (loop0): get root inode failed [ 53.618262][ T3993] EXT4-fs (loop0): mount failed [pid 4005] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3996] close(28 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4005] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(13 [pid 4006] <... pwrite64 resumed>) = 9 [pid 3991] exit_group(0 [pid 4006] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3996] close(29 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] <... exit_group resumed>) = ? [pid 4006] pwrite64(3, NULL, 0, 26624 [pid 3996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(14 [pid 4006] <... pwrite64 resumed>) = 0 [pid 3996] exit_group(0 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3991] +++ exited with 0 +++ [pid 3996] <... exit_group resumed>) = ? [pid 3993] close(15 [pid 4006] pwrite64(3, NULL, 0, 36864 [pid 3996] +++ exited with 0 +++ [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4006] <... pwrite64 resumed>) = 0 [pid 3993] close(16 [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4006] pwrite64(3, NULL, 0, 4194300 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... restart_syscall resumed>) = 0 [pid 4006] <... pwrite64 resumed>) = 0 [pid 3993] close(17 [pid 4006] pwrite64(3, NULL, 0, 69888 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] <... pwrite64 resumed>) = 0 [pid 4006] pwrite64(3, NULL, 0, 71040 [pid 3993] close(18 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4006] <... pwrite64 resumed>) = 0 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3627] <... openat resumed>) = 3 [pid 4006] <... openat resumed>) = 4 [pid 3993] close(19 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 4006] ioctl(4, LOOP_SET_FD, 3 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4006] <... ioctl resumed>) = 0 [pid 3993] close(20 [pid 3627] close(3 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4006] mkdir("./file0", 0777 [pid 4005] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 4005] ioctl(4, LOOP_CLR_FD [pid 3993] close(21 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] ioctl(3, LOOP_CLR_FD [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3993] close(22 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 22 [pid 3624] close(3 [pid 4006] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] <... close resumed>) = 0 [pid 4006] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 3993] close(23 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(24 [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 25 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3993] close(25) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4009 attached [pid 3993] close(26 [pid 4009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] <... prctl resumed>) = 0 [pid 3993] close(27 [pid 4009] setpgid(0, 0 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] <... setpgid resumed>) = 0 [pid 3993] close(28./strace-static-x86_64: Process 4010 attached [pid 4009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4009] <... openat resumed>) = 3 [pid 3993] close(29 [pid 4010] <... prctl resumed>) = 0 [pid 4009] write(3, "1000", 4 [pid 3993] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] setpgid(0, 0 [pid 4009] <... write resumed>) = 4 [pid 3993] exit_group(0 [pid 4010] <... setpgid resumed>) = 0 [pid 4009] close(3 [pid 3993] <... exit_group resumed>) = ? [pid 4010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4009] <... close resumed>) = 0 [pid 3993] +++ exited with 0 +++ [pid 4010] <... openat resumed>) = 3 [pid 4009] memfd_create("syzkaller", 0 [pid 4010] write(3, "1000", 4 [pid 4009] <... memfd_create resumed>) = 3 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4010] <... write resumed>) = 4 [pid 4009] ftruncate(3, 135266304 [pid 4010] close(3 [pid 4009] <... ftruncate resumed>) = 0 [pid 4010] <... close resumed>) = 0 [pid 4009] 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 [pid 4010] memfd_create("syzkaller", 0 [pid 4009] <... pwrite64 resumed>) = 102 [pid 4010] <... memfd_create resumed>) = 3 [pid 4009] pwrite64(3, NULL, 0, 1248 [pid 4010] ftruncate(3, 135266304 [pid 4009] <... pwrite64 resumed>) = 0 [pid 4010] <... ftruncate resumed>) = 0 [pid 4009] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4010] 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 [pid 4009] <... pwrite64 resumed>) = 9 [pid 4010] <... pwrite64 resumed>) = 102 [pid 4009] pwrite64(3, NULL, 0, 1600 [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 4010] pwrite64(3, NULL, 0, 1248 [pid 4009] <... pwrite64 resumed>) = 0 [pid 3626] <... openat resumed>) = 3 [pid 4010] <... pwrite64 resumed>) = 0 [pid 4009] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 4010] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4009] <... pwrite64 resumed>) = 9 [pid 4010] <... pwrite64 resumed>) = 9 [pid 4009] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4010] pwrite64(3, NULL, 0, 1600 [pid 4009] <... pwrite64 resumed>) = 8 [pid 3626] close(3 [pid 4010] <... pwrite64 resumed>) = 0 [pid 4009] pwrite64(3, NULL, 0, 26624 [pid 4010] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4009] <... pwrite64 resumed>) = 0 [pid 4010] <... pwrite64 resumed>) = 9 [pid 4009] pwrite64(3, NULL, 0, 36864 [pid 4010] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4009] <... pwrite64 resumed>) = 0 [pid 4010] <... pwrite64 resumed>) = 8 [pid 4009] pwrite64(3, NULL, 0, 4194300 [pid 3626] <... close resumed>) = 0 [pid 4010] pwrite64(3, NULL, 0, 26624 [pid 4009] <... pwrite64 resumed>) = 0 [pid 4006] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4010] <... pwrite64 resumed>) = 0 [pid 4009] pwrite64(3, NULL, 0, 69888 [pid 4006] ioctl(4, LOOP_CLR_FD [pid 4010] pwrite64(3, NULL, 0, 36864 [pid 4009] <... pwrite64 resumed>) = 0 [pid 4005] <... ioctl resumed>) = 0 [pid 4010] <... pwrite64 resumed>) = 0 [pid 4009] pwrite64(3, NULL, 0, 71040 [pid 4005] close(4 [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 23 [pid 4010] pwrite64(3, NULL, 0, 4194300 [pid 4009] <... pwrite64 resumed>) = 0 [pid 4005] <... close resumed>) = 0 ./strace-static-x86_64: Process 4013 attached [pid 4010] <... pwrite64 resumed>) = 0 [pid 4009] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4005] close(3 [pid 4013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4010] pwrite64(3, NULL, 0, 69888 [pid 4009] <... openat resumed>) = 4 [pid 4005] <... close resumed>) = 0 [pid 4013] <... prctl resumed>) = 0 [pid 4010] <... pwrite64 resumed>) = 0 [pid 4009] ioctl(4, LOOP_SET_FD, 3 [pid 4005] close(3 [pid 4013] setpgid(0, 0 [ 53.754350][ T4005] loop3: detected capacity change from 0 to 264192 [ 53.772827][ T4006] loop2: detected capacity change from 0 to 264192 [ 53.774874][ T4005] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4010] pwrite64(3, NULL, 0, 71040 [pid 4009] <... ioctl resumed>) = 0 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... setpgid resumed>) = 0 [pid 4010] <... pwrite64 resumed>) = 0 [pid 4009] mkdir("./file0", 0777 [pid 4005] close(4 [pid 4013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4010] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4009] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... openat resumed>) = 3 [pid 4010] <... openat resumed>) = 4 [pid 4009] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4005] close(5 [pid 4013] write(3, "1000", 4 [pid 4010] ioctl(4, LOOP_SET_FD, 3 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... write resumed>) = 4 [pid 4010] <... ioctl resumed>) = 0 [pid 4005] close(6 [pid 4013] close(3 [pid 4010] mkdir("./file0", 0777 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... close resumed>) = 0 [pid 4010] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4005] close(7 [pid 4013] memfd_create("syzkaller", 0 [pid 4010] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... memfd_create resumed>) = 3 [pid 4006] <... ioctl resumed>) = 0 [pid 4005] close(8 [pid 4013] ftruncate(3, 135266304 [pid 4006] close(4 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... ftruncate resumed>) = 0 [pid 4006] <... close resumed>) = 0 [pid 4005] close(9 [pid 4013] 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 [pid 4006] close(3 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... pwrite64 resumed>) = 102 [pid 4006] <... close resumed>) = 0 [pid 4005] close(10 [pid 4013] pwrite64(3, NULL, 0, 1248 [pid 4006] close(3 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... pwrite64 resumed>) = 0 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(11 [pid 4013] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4006] close(4 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... pwrite64 resumed>) = 9 [pid 4009] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(12 [pid 4013] pwrite64(3, NULL, 0, 1600 [pid 4009] ioctl(4, LOOP_CLR_FD [pid 4006] close(5 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... pwrite64 resumed>) = 0 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(13 [pid 4013] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4006] close(6 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... pwrite64 resumed>) = 9 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(14 [pid 4013] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4006] close(7 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... pwrite64 resumed>) = 8 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(15 [pid 4013] pwrite64(3, NULL, 0, 26624 [pid 4006] close(8 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... pwrite64 resumed>) = 0 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(16 [pid 4013] pwrite64(3, NULL, 0, 36864 [pid 4006] close(9 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... pwrite64 resumed>) = 0 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(17 [pid 4013] pwrite64(3, NULL, 0, 4194300 [pid 4006] close(10 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... pwrite64 resumed>) = 0 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(18 [pid 4013] pwrite64(3, NULL, 0, 69888 [pid 4006] close(11 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... pwrite64 resumed>) = 0 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(19 [pid 4013] pwrite64(3, NULL, 0, 71040 [pid 4010] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4006] close(12 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... pwrite64 resumed>) = 0 [pid 4010] ioctl(4, LOOP_CLR_FD [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(20 [pid 4013] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 4006] close(13 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... openat resumed>) = 4 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(21 [pid 4013] ioctl(4, LOOP_SET_FD, 3 [pid 4006] close(14 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... ioctl resumed>) = 0 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(22 [pid 4013] mkdir("./file0", 0777 [pid 4006] close(15 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(23 [pid 4013] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 4006] close(16 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(24 [pid 4006] close(17 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(25 [pid 4006] close(18 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(26 [pid 4006] close(19 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(27 [pid 4006] close(20 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 53.775300][ T4005] EXT4-fs (loop3): get root inode failed [ 53.775331][ T4005] EXT4-fs (loop3): mount failed [ 53.821992][ T4006] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(28 [pid 4009] <... ioctl resumed>) = 0 [pid 4006] close(21 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(4 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] close(29 [pid 4009] <... close resumed>) = 0 [pid 4006] close(22 [pid 4005] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... ioctl resumed>) = 0 [pid 4009] close(3 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] exit_group(0 [pid 4010] close(4 [pid 4009] <... close resumed>) = 0 [pid 4006] close(23 [pid 4005] <... exit_group resumed>) = ? [pid 4013] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4010] <... close resumed>) = 0 [pid 4009] close(3 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4005] +++ exited with 0 +++ [ 53.822718][ T4006] EXT4-fs (loop2): get root inode failed [ 53.822733][ T4006] EXT4-fs (loop2): mount failed [pid 4013] ioctl(4, LOOP_CLR_FD [pid 4010] close(3 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] close(24 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4013] <... ioctl resumed>) = 0 [pid 4010] <... close resumed>) = 0 [pid 4009] close(4 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(4 [pid 4010] close(3 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] close(25 [pid 4013] <... close resumed>) = 0 [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(5 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(3 [pid 4010] close(4 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] close(26 [pid 4013] <... close resumed>) = 0 [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(6 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(3 [pid 4010] close(5 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] close(27 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(7 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(4 [pid 4010] close(6 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] close(28 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(8 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] close(5 [pid 4010] close(7 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] close(29 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(9 [pid 4006] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4013] close(6 [pid 4010] close(8 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] exit_group(0 [pid 3629] <... openat resumed>) = 3 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(10 [pid 4006] <... exit_group resumed>) = ? [pid 3629] ioctl(3, LOOP_CLR_FD [pid 4013] close(7 [pid 4010] close(9 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4006] +++ exited with 0 +++ [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(11 [pid 4013] close(8 [pid 4010] close(10 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(12 [pid 4013] close(9 [pid 4010] close(11 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] close(3 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(13 [pid 3629] <... close resumed>) = 0 [pid 4013] close(10 [pid 4010] close(12 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(14 [pid 4013] close(11 [pid 4010] close(13 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(15 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 28 [pid 4013] close(12 [pid 4010] close(14 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... openat resumed>) = 3 ./strace-static-x86_64: Process 4020 attached [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(16 [pid 4020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4013] close(13 [pid 4010] close(15 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] <... prctl resumed>) = 0 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(17 [pid 4020] setpgid(0, 0 [pid 4013] close(14 [pid 4010] close(16 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] <... setpgid resumed>) = 0 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 53.839679][ T4009] loop1: detected capacity change from 0 to 264192 [ 53.851412][ T4010] loop4: detected capacity change from 0 to 264192 [pid 4009] close(18 [pid 4020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4013] close(15 [pid 4010] close(17 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] ioctl(3, LOOP_CLR_FD [pid 4020] <... openat resumed>) = 3 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(19 [pid 4020] write(3, "1000", 4 [pid 4013] close(16 [pid 4010] close(18 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4020] <... write resumed>) = 4 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(20 [pid 4020] close(3 [pid 4013] close(17 [pid 4010] close(19 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] <... close resumed>) = 0 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(21 [pid 3625] close(3 [pid 4020] memfd_create("syzkaller", 0 [pid 4013] close(18 [pid 4010] close(20 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] <... memfd_create resumed>) = 3 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(22 [pid 4020] ftruncate(3, 135266304 [pid 4013] close(19 [pid 4010] close(21 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 4020] <... ftruncate resumed>) = 0 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(23 [pid 4020] 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 [pid 4013] close(20 [pid 4010] close(22 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] <... pwrite64 resumed>) = 102 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(24 [pid 4020] pwrite64(3, NULL, 0, 1248 [pid 4013] close(21 [pid 4010] close(23 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] <... pwrite64 resumed>) = 0 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(25 [pid 4020] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4013] close(22 [pid 4010] close(24 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4020] <... pwrite64 resumed>) = 9 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(26 [pid 4020] pwrite64(3, NULL, 0, 1600 [pid 4013] close(23 [pid 4010] close(25 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] <... pwrite64 resumed>) = 0 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(27 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 25 [pid 4020] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4013] close(24 [pid 4010] close(26 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4021 attached [pid 4020] <... pwrite64 resumed>) = 9 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(28 [pid 4021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4020] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4013] close(25 [pid 4010] close(27 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] <... prctl resumed>) = 0 [pid 4020] <... pwrite64 resumed>) = 8 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] close(29 [pid 4021] setpgid(0, 0 [pid 4020] pwrite64(3, NULL, 0, 26624 [pid 4013] close(26 [pid 4010] close(28 [pid 4009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] <... setpgid resumed>) = 0 [pid 4020] <... pwrite64 resumed>) = 0 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] exit_group(0 [pid 4021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4020] pwrite64(3, NULL, 0, 36864 [pid 4013] close(27 [pid 4010] close(29 [pid 4009] <... exit_group resumed>) = ? [pid 4021] <... openat resumed>) = 3 [pid 4020] <... pwrite64 resumed>) = 0 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4009] +++ exited with 0 +++ [ 53.871359][ T4009] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 53.871775][ T4009] EXT4-fs (loop1): get root inode failed [ 53.871788][ T4009] EXT4-fs (loop1): mount failed [pid 4021] write(3, "1000", 4 [pid 4020] pwrite64(3, NULL, 0, 4194300 [pid 4013] close(28 [pid 4010] exit_group(0 [pid 4021] <... write resumed>) = 4 [pid 4020] <... pwrite64 resumed>) = 0 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4010] <... exit_group resumed>) = ? [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4021] close(3 [pid 4020] pwrite64(3, NULL, 0, 69888 [pid 4013] close(29 [pid 4010] +++ exited with 0 +++ [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4021] <... close resumed>) = 0 [pid 4020] <... pwrite64 resumed>) = 0 [pid 4013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4021] memfd_create("syzkaller", 0 [pid 4020] pwrite64(3, NULL, 0, 71040 [pid 4013] exit_group(0 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3624] restart_syscall(<... resuming interrupted clone ...> [pid 4021] <... memfd_create resumed>) = 3 [pid 4020] <... pwrite64 resumed>) = 0 [pid 4013] <... exit_group resumed>) = ? [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3624] <... restart_syscall resumed>) = 0 [pid 4021] ftruncate(3, 135266304 [pid 4020] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4013] +++ exited with 0 +++ [pid 3627] close(3 [pid 4021] <... ftruncate resumed>) = 0 [pid 4020] <... openat resumed>) = 4 [pid 3627] <... close resumed>) = 0 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4021] 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 [pid 4020] ioctl(4, LOOP_SET_FD, 3 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4021] <... pwrite64 resumed>) = 102 [pid 4020] <... ioctl resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 4021] pwrite64(3, NULL, 0, 1248 [pid 4020] mkdir("./file0", 0777 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 23 [pid 3624] ioctl(3, LOOP_CLR_FD [pid 4021] <... pwrite64 resumed>) = 0 [pid 4020] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4021] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4020] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3624] close(3 [pid 4021] <... pwrite64 resumed>) = 9 [pid 3624] <... close resumed>) = 0 [pid 4021] pwrite64(3, NULL, 0, 1600 [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4021] <... pwrite64 resumed>) = 0 [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 4022 attached [pid 4021] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 26 [pid 4022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4021] <... pwrite64 resumed>) = 9 [pid 4022] <... prctl resumed>) = 0 [pid 4021] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4022] setpgid(0, 0 [pid 4021] <... pwrite64 resumed>) = 8 [pid 4022] <... setpgid resumed>) = 0 [pid 4021] pwrite64(3, NULL, 0, 26624 [pid 4022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4021] <... pwrite64 resumed>) = 0 [pid 4022] <... openat resumed>) = 3 [pid 4021] pwrite64(3, NULL, 0, 36864 [pid 4022] write(3, "1000", 4 [pid 4021] <... pwrite64 resumed>) = 0 [pid 3626] <... openat resumed>) = 3 [pid 4022] <... write resumed>) = 4 [pid 4021] pwrite64(3, NULL, 0, 4194300 [pid 3626] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 4024 attached [pid 4022] close(3 [pid 4021] <... pwrite64 resumed>) = 0 [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4022] <... close resumed>) = 0 [ 53.892864][ T4010] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4021] pwrite64(3, NULL, 0, 69888 [pid 3626] close(3 [pid 4022] memfd_create("syzkaller", 0 [pid 4021] <... pwrite64 resumed>) = 0 [pid 4024] <... prctl resumed>) = 0 [pid 4022] <... memfd_create resumed>) = 3 [pid 4021] pwrite64(3, NULL, 0, 71040 [pid 4020] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3626] <... close resumed>) = 0 [pid 4024] setpgid(0, 0 [pid 4022] ftruncate(3, 135266304 [pid 4021] <... pwrite64 resumed>) = 0 [pid 4020] ioctl(4, LOOP_CLR_FD [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4024] <... setpgid resumed>) = 0 [pid 4022] <... ftruncate resumed>) = 0 [pid 4021] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4022] 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 [pid 4021] <... openat resumed>) = 4 [pid 4024] <... openat resumed>) = 3 [pid 4022] <... pwrite64 resumed>) = 102 [pid 4021] ioctl(4, LOOP_SET_FD, 3 [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 24 [pid 4024] write(3, "1000", 4 [pid 4022] pwrite64(3, NULL, 0, 1248 [pid 4021] <... ioctl resumed>) = 0 [pid 4024] <... write resumed>) = 4 [pid 4022] <... pwrite64 resumed>) = 0 [pid 4021] mkdir("./file0", 0777./strace-static-x86_64: Process 4026 attached [pid 4024] close(3 [pid 4022] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4021] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4024] <... close resumed>) = 0 [pid 4022] <... pwrite64 resumed>) = 9 [pid 4021] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4026] <... prctl resumed>) = 0 [pid 4024] memfd_create("syzkaller", 0 [pid 4022] pwrite64(3, NULL, 0, 1600 [pid 4026] setpgid(0, 0 [pid 4024] <... memfd_create resumed>) = 3 [pid 4022] <... pwrite64 resumed>) = 0 [pid 4026] <... setpgid resumed>) = 0 [pid 4024] ftruncate(3, 135266304 [pid 4022] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4024] <... ftruncate resumed>) = 0 [pid 4022] <... pwrite64 resumed>) = 9 [pid 4026] <... openat resumed>) = 3 [pid 4024] 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 [pid 4022] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4026] write(3, "1000", 4 [pid 4022] <... pwrite64 resumed>) = 8 [pid 4026] <... write resumed>) = 4 [pid 4022] pwrite64(3, NULL, 0, 26624 [pid 4026] close(3 [pid 4022] <... pwrite64 resumed>) = 0 [pid 4026] <... close resumed>) = 0 [pid 4022] pwrite64(3, NULL, 0, 36864 [pid 4026] memfd_create("syzkaller", 0 [pid 4022] <... pwrite64 resumed>) = 0 [pid 4026] <... memfd_create resumed>) = 3 [pid 4024] <... pwrite64 resumed>) = 102 [pid 4022] pwrite64(3, NULL, 0, 4194300 [pid 4020] <... ioctl resumed>) = 0 [pid 4026] ftruncate(3, 135266304 [pid 4024] pwrite64(3, NULL, 0, 1248 [pid 4022] <... pwrite64 resumed>) = 0 [pid 4020] close(4 [pid 4026] <... ftruncate resumed>) = 0 [pid 4024] <... pwrite64 resumed>) = 0 [pid 4022] pwrite64(3, NULL, 0, 69888 [pid 4020] <... close resumed>) = 0 [pid 4026] 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 [pid 4024] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4022] <... pwrite64 resumed>) = 0 [pid 4020] close(3 [pid 4026] <... pwrite64 resumed>) = 102 [pid 4024] <... pwrite64 resumed>) = 9 [pid 4022] pwrite64(3, NULL, 0, 71040 [pid 4020] <... close resumed>) = 0 [pid 4026] pwrite64(3, NULL, 0, 1248 [pid 4024] pwrite64(3, NULL, 0, 1600 [pid 4022] <... pwrite64 resumed>) = 0 [pid 4020] close(3 [pid 4026] <... pwrite64 resumed>) = 0 [pid 4024] <... pwrite64 resumed>) = 0 [ 53.893320][ T4010] EXT4-fs (loop4): get root inode failed [ 53.893333][ T4010] EXT4-fs (loop4): mount failed [ 53.903306][ T4013] loop0: detected capacity change from 0 to 264192 [pid 4022] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4026] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4022] <... openat resumed>) = 4 [pid 4021] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4026] <... pwrite64 resumed>) = 9 [pid 4022] ioctl(4, LOOP_SET_FD, 3 [pid 4021] ioctl(4, LOOP_CLR_FD [pid 4026] pwrite64(3, NULL, 0, 1600 [pid 4022] <... ioctl resumed>) = 0 [pid 4026] <... pwrite64 resumed>) = 0 [pid 4022] mkdir("./file0", 0777 [pid 4026] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4024] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4022] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4026] <... pwrite64 resumed>) = 9 [pid 4024] <... pwrite64 resumed>) = 9 [pid 4022] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4020] close(4 [pid 4026] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4024] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4026] <... pwrite64 resumed>) = 8 [pid 4024] <... pwrite64 resumed>) = 8 [pid 4020] close(5 [pid 4026] pwrite64(3, NULL, 0, 26624 [pid 4024] pwrite64(3, NULL, 0, 26624 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4026] <... pwrite64 resumed>) = 0 [pid 4024] <... pwrite64 resumed>) = 0 [pid 4020] close(6 [pid 4026] pwrite64(3, NULL, 0, 36864 [pid 4024] pwrite64(3, NULL, 0, 36864 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4026] <... pwrite64 resumed>) = 0 [pid 4024] <... pwrite64 resumed>) = 0 [pid 4020] close(7 [pid 4026] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4026] pwrite64(3, NULL, 0, 69888) = 0 [pid 4026] pwrite64(3, NULL, 0, 71040) = 0 [pid 4026] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 4026] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4024] pwrite64(3, NULL, 0, 4194300 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4026] mkdir("./file0", 0777 [pid 4024] <... pwrite64 resumed>) = 0 [pid 4020] close(8 [pid 4026] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4024] pwrite64(3, NULL, 0, 69888 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4026] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 4024] <... pwrite64 resumed>) = 0 [pid 4020] close(9 [pid 4024] pwrite64(3, NULL, 0, 71040 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] <... pwrite64 resumed>) = 0 [pid 4020] close(10 [pid 4024] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4021] <... ioctl resumed>) = 0 [pid 4022] ioctl(4, LOOP_CLR_FD [pid 4021] close(4) = 0 [ 53.940479][ T3650] I/O error, dev loop4, sector 264064 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0 [ 53.954126][ T4013] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4021] close(3 [pid 4024] <... openat resumed>) = 4 [pid 4021] <... close resumed>) = 0 [pid 4020] close(11 [pid 4021] close(3) = -1 EBADF (Bad file descriptor) [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(4 [pid 4024] ioctl(4, LOOP_SET_FD, 3 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(12 [pid 4024] <... ioctl resumed>) = 0 [pid 4021] close(5 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] mkdir("./file0", 0777 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(13 [pid 4024] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4021] close(6 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(14 [pid 4021] close(7 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(15 [pid 4021] close(8 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... ioctl resumed>) = 0 [pid 4026] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4022] close(4 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(16 [pid 4026] ioctl(4, LOOP_CLR_FD [pid 4022] <... close resumed>) = 0 [pid 4021] close(9 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] close(3 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(17 [pid 4022] <... close resumed>) = 0 [pid 4021] close(10 [pid 4022] close(3 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(11 [pid 4022] close(4 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(12 [pid 4022] close(5 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(13 [pid 4022] close(6 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(14 [pid 4022] close(7 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(15 [pid 4020] close(18 [pid 4022] close(8 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(16 [pid 4020] close(19 [pid 4022] close(9 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(17 [pid 4020] close(20 [pid 4022] close(10 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(18 [pid 4022] close(11 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(19 [pid 4022] close(12 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(20 [pid 4022] close(13 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(21 [pid 4022] close(14 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(21 [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(22 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] close(15 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(23 [pid 4022] close(16 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(24 [pid 4020] close(22 [pid 4024] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4024] ioctl(4, LOOP_CLR_FD [pid 4022] close(17 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(25 [pid 4022] close(18 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(23 [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(26 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] close(19 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(24 [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(27 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] close(20 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(28 [pid 4022] close(21 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] close(29 [pid 4020] close(25 [pid 4022] close(22 [pid 4021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] exit_group(0 [pid 4020] close(26 [pid 4022] close(23 [pid 4021] <... exit_group resumed>) = ? [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4026] <... ioctl resumed>) = 0 [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4021] +++ exited with 0 +++ [pid 4020] close(27 [pid 4026] close(4 [pid 4022] close(24 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4026] <... close resumed>) = 0 [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(28 [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 4026] close(3 [pid 4022] close(25 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... restart_syscall resumed>) = 0 [pid 4026] <... close resumed>) = 0 [pid 4024] <... ioctl resumed>) = 0 [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] close(29 [pid 4026] close(3 [pid 4024] close(4 [pid 4022] close(26 [pid 4020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] <... close resumed>) = 0 [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4026] close(4 [pid 4024] close(3 [pid 4022] close(27 [pid 4020] exit_group(0 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4026] close(5 [pid 4022] close(28 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4026] close(6 [pid 4022] close(29 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4026] close(7 [pid 4022] exit_group(0 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4022] <... exit_group resumed>) = ? [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4026] close(8 [pid 4024] <... close resumed>) = 0 [pid 4022] +++ exited with 0 +++ [pid 4020] <... exit_group resumed>) = ? [pid 3625] <... openat resumed>) = 3 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(3 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4026] close(9 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4020] +++ exited with 0 +++ [pid 3625] ioctl(3, LOOP_CLR_FD [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(4 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 53.954577][ T4013] EXT4-fs (loop0): get root inode failed [ 53.954591][ T4013] EXT4-fs (loop0): mount failed [ 54.098316][ T4020] loop3: detected capacity change from 0 to 264192 [pid 4026] close(10 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] close(3 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(5 [pid 3629] restart_syscall(<... resuming interrupted clone ...> [pid 3625] <... close resumed>) = 0 [pid 4026] close(11 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... restart_syscall resumed>) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(6 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4026] close(12 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(7 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 26 [pid 4026] close(13 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... openat resumed>) = 3 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 4035 attached [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(8 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3627] close(3 [pid 4035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4026] close(14 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3627] <... close resumed>) = 0 [pid 4035] <... prctl resumed>) = 0 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(9 [pid 3629] close(3 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4035] setpgid(0, 0 [pid 4026] close(15 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... close resumed>) = 0 [pid 4035] <... setpgid resumed>) = 0 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(10 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 24 [pid 4035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4026] close(16 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4035] <... openat resumed>) = 3 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(11./strace-static-x86_64: Process 4036 attached [pid 4035] write(3, "1000", 4 [pid 4026] close(17 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 29 [pid 4036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4035] <... write resumed>) = 4 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(12./strace-static-x86_64: Process 4037 attached [pid 4036] <... prctl resumed>) = 0 [pid 4035] close(3 [pid 4026] close(18 [pid 4037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] <... prctl resumed>) = 0 [pid 4026] close(19 [pid 4037] setpgid(0, 0 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] <... setpgid resumed>) = 0 [pid 4026] close(20 [pid 4037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] <... openat resumed>) = 3 [pid 4026] close(21 [pid 4037] write(3, "1000", 4 [pid 4036] setpgid(0, 0 [pid 4035] <... close resumed>) = 0 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] <... write resumed>) = 4 [pid 4036] <... setpgid resumed>) = 0 [pid 4035] memfd_create("syzkaller", 0 [pid 4026] close(22 [ 54.126338][ T4020] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4024] close(13 [pid 4037] close(3 [pid 4036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4035] <... memfd_create resumed>) = 3 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] <... close resumed>) = 0 [pid 4036] <... openat resumed>) = 3 [pid 4035] ftruncate(3, 135266304 [pid 4026] close(23 [pid 4024] close(14 [pid 4037] memfd_create("syzkaller", 0 [pid 4036] write(3, "1000", 4 [pid 4035] <... ftruncate resumed>) = 0 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] <... memfd_create resumed>) = 3 [pid 4036] <... write resumed>) = 4 [pid 4035] 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 [pid 4026] close(24 [pid 4024] close(15 [pid 4037] ftruncate(3, 135266304 [pid 4036] close(3 [pid 4035] <... pwrite64 resumed>) = 102 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] kill(-12, SIGKILL [pid 4037] <... ftruncate resumed>) = 0 [pid 4026] close(25 [pid 3628] <... kill resumed>) = 0 [pid 4037] 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 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] kill(12, SIGKILL [pid 4037] <... pwrite64 resumed>) = 102 [pid 4026] close(26 [pid 3628] <... kill resumed>) = 0 [pid 4037] pwrite64(3, NULL, 0, 1248 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] <... pwrite64 resumed>) = 0 [pid 4026] close(27 [pid 4037] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] <... pwrite64 resumed>) = 9 [pid 4036] <... close resumed>) = 0 [pid 4035] pwrite64(3, NULL, 0, 1248 [pid 4026] close(28 [pid 4024] close(16 [pid 4037] pwrite64(3, NULL, 0, 1600 [pid 4036] memfd_create("syzkaller", 0 [pid 4035] <... pwrite64 resumed>) = 0 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] <... memfd_create resumed>) = 3 [pid 4035] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4024] close(17 [pid 4036] ftruncate(3, 135266304 [pid 4035] <... pwrite64 resumed>) = 9 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] <... ftruncate resumed>) = 0 [pid 4035] pwrite64(3, NULL, 0, 1600 [pid 4024] close(18 [pid 4036] 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 [pid 4035] <... pwrite64 resumed>) = 0 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] <... pwrite64 resumed>) = 102 [pid 4035] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4024] close(19 [pid 4036] pwrite64(3, NULL, 0, 1248 [pid 4035] <... pwrite64 resumed>) = 9 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] <... pwrite64 resumed>) = 0 [pid 4035] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4024] close(20 [pid 4037] <... pwrite64 resumed>) = 0 [pid 4036] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4035] <... pwrite64 resumed>) = 8 [pid 4026] close(29 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4036] <... pwrite64 resumed>) = 9 [pid 4035] pwrite64(3, NULL, 0, 26624 [pid 4026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4024] close(21 [pid 4036] pwrite64(3, NULL, 0, 1600 [pid 4035] <... pwrite64 resumed>) = 0 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] <... pwrite64 resumed>) = 0 [pid 4035] pwrite64(3, NULL, 0, 36864 [pid 4024] close(22 [pid 4036] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4035] <... pwrite64 resumed>) = 0 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] <... pwrite64 resumed>) = 9 [pid 4035] pwrite64(3, NULL, 0, 4194300 [pid 4024] close(23 [pid 4036] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4035] <... pwrite64 resumed>) = 0 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] <... pwrite64 resumed>) = 8 [pid 4035] pwrite64(3, NULL, 0, 69888 [pid 4024] close(24 [pid 4036] pwrite64(3, NULL, 0, 26624 [pid 4035] <... pwrite64 resumed>) = 0 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] <... pwrite64 resumed>) = 0 [pid 4035] pwrite64(3, NULL, 0, 71040 [pid 4024] close(25 [pid 4036] pwrite64(3, NULL, 0, 36864 [pid 4035] <... pwrite64 resumed>) = 0 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] <... pwrite64 resumed>) = 0 [pid 4035] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4024] close(26 [pid 4036] pwrite64(3, NULL, 0, 4194300 [pid 4035] <... openat resumed>) = 4 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] <... pwrite64 resumed>) = 0 [pid 4035] ioctl(4, LOOP_SET_FD, 3 [pid 4024] close(27 [pid 4037] <... pwrite64 resumed>) = 9 [pid 4036] pwrite64(3, NULL, 0, 69888 [pid 4035] <... ioctl resumed>) = 0 [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] <... pwrite64 resumed>) = 0 [pid 4035] mkdir("./file0", 0777 [pid 4026] exit_group(0 [ 54.126766][ T4020] EXT4-fs (loop3): get root inode failed [ 54.126779][ T4020] EXT4-fs (loop3): mount failed [ 54.138886][ T4021] loop2: detected capacity change from 0 to 264192 [pid 4024] close(28 [pid 4037] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4036] pwrite64(3, NULL, 0, 71040 [pid 4035] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4026] <... exit_group resumed>) = ? [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] <... pwrite64 resumed>) = 0 [pid 4035] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4024] close(29 [pid 4036] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] <... openat resumed>) = 4 [pid 4024] exit_group(0 [pid 4036] ioctl(4, LOOP_SET_FD, 3 [pid 4024] <... exit_group resumed>) = ? [pid 4036] <... ioctl resumed>) = 0 [pid 4024] +++ exited with 0 +++ [pid 4036] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4036] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3624] restart_syscall(<... resuming interrupted clone ...> [pid 4037] <... pwrite64 resumed>) = 8 [pid 3624] <... restart_syscall resumed>) = 0 [pid 4037] pwrite64(3, NULL, 0, 26624) = 0 [pid 4037] pwrite64(3, NULL, 0, 36864 [pid 3624] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4037] <... pwrite64 resumed>) = 0 [pid 3624] <... openat resumed>) = 3 [pid 4037] pwrite64(3, NULL, 0, 4194300 [pid 4026] +++ exited with 0 +++ [pid 3624] ioctl(3, LOOP_CLR_FD [pid 4037] <... pwrite64 resumed>) = 0 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4037] pwrite64(3, NULL, 0, 69888 [pid 3624] close(3 [pid 4037] <... pwrite64 resumed>) = 0 [pid 3624] <... close resumed>) = 0 [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] <... openat resumed>) = 3 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 3624] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 27 [pid 4037] pwrite64(3, NULL, 0, 71040 [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4037] <... pwrite64 resumed>) = 0 [pid 3626] close(3 [pid 4037] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3626] <... close resumed>) = 0 [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4038 attached [pid 4038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4038] setpgid(0, 0 [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 25 [pid 4037] <... openat resumed>) = 4 [pid 4037] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4037] mkdir("./file0", 0777 [pid 4038] <... setpgid resumed>) = 0 [pid 4037] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4037] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 4039 attached [ 54.177113][ T4021] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 54.177505][ T4021] EXT4-fs (loop2): get root inode failed [ 54.177518][ T4021] EXT4-fs (loop2): mount failed [pid 4039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4039] setpgid(0, 0) = 0 [pid 4039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4038] <... openat resumed>) = 3 [pid 4038] write(3, "1000", 4) = 4 [pid 4038] close(3) = 0 [pid 4038] memfd_create("syzkaller", 0 [pid 4039] <... openat resumed>) = 3 [pid 4035] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4038] <... memfd_create resumed>) = 3 [pid 4035] ioctl(4, LOOP_CLR_FD [pid 4039] write(3, "1000", 4 [pid 4038] ftruncate(3, 135266304) = 0 [pid 4038] 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 4038] pwrite64(3, NULL, 0, 1248) = 0 [pid 4038] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4039] <... write resumed>) = 4 [pid 4038] <... pwrite64 resumed>) = 9 [pid 4038] pwrite64(3, NULL, 0, 1600) = 0 [pid 4036] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4039] close(3) = 0 [pid 4038] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4036] ioctl(4, LOOP_CLR_FD [pid 4038] <... pwrite64 resumed>) = 9 [pid 4038] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4039] memfd_create("syzkaller", 0 [pid 4038] <... pwrite64 resumed>) = 8 [pid 4038] pwrite64(3, NULL, 0, 26624 [pid 4039] <... memfd_create resumed>) = 3 [pid 4038] <... pwrite64 resumed>) = 0 [pid 4038] pwrite64(3, NULL, 0, 36864 [pid 4039] ftruncate(3, 135266304 [pid 4038] <... pwrite64 resumed>) = 0 [pid 4038] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4037] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4039] <... ftruncate resumed>) = 0 [pid 4038] pwrite64(3, NULL, 0, 69888 [pid 4039] 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 [pid 4037] ioctl(4, LOOP_CLR_FD [pid 4039] <... pwrite64 resumed>) = 102 [pid 4038] <... pwrite64 resumed>) = 0 [pid 4038] pwrite64(3, NULL, 0, 71040 [pid 4039] pwrite64(3, NULL, 0, 1248 [pid 4038] <... pwrite64 resumed>) = 0 [pid 4039] <... pwrite64 resumed>) = 0 [pid 4038] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 4038] ioctl(4, LOOP_SET_FD, 3 [pid 4039] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4038] <... ioctl resumed>) = 0 [pid 4039] pwrite64(3, NULL, 0, 1600 [pid 4038] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4039] <... pwrite64 resumed>) = 0 [pid 4038] mount("/dev/loop4", "./file0", "ext4", 0, ",errors=continue" [pid 4039] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4035] <... ioctl resumed>) = 0 [pid 4039] <... pwrite64 resumed>) = 9 [pid 4035] close(4 [pid 4039] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4035] <... close resumed>) = 0 [pid 4039] <... pwrite64 resumed>) = 8 [pid 4035] close(3 [ 54.183976][ T4022] loop1: detected capacity change from 0 to 264192 [ 54.205059][ T4026] loop0: detected capacity change from 0 to 264192 [ 54.216387][ T4022] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4039] pwrite64(3, NULL, 0, 26624) = 0 [pid 4035] <... close resumed>) = 0 [pid 4039] pwrite64(3, NULL, 0, 36864 [pid 4035] close(3 [pid 4039] <... pwrite64 resumed>) = 0 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4039] pwrite64(3, NULL, 0, 4194300 [pid 4035] close(4 [pid 4039] <... pwrite64 resumed>) = 0 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4039] pwrite64(3, NULL, 0, 69888 [pid 4035] close(5 [pid 4039] <... pwrite64 resumed>) = 0 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4039] pwrite64(3, NULL, 0, 71040 [pid 4035] close(6 [pid 4039] <... pwrite64 resumed>) = 0 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4039] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 4035] close(7 [pid 4039] <... openat resumed>) = 4 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4039] ioctl(4, LOOP_SET_FD, 3 [pid 4035] close(8 [pid 4036] <... ioctl resumed>) = 0 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4039] <... ioctl resumed>) = 0 [pid 4036] close(4 [pid 4035] close(9 [pid 4039] mkdir("./file0", 0777 [pid 4036] <... close resumed>) = 0 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] close(3 [pid 4035] close(10 [pid 4039] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4036] <... close resumed>) = 0 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4039] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 4036] close(3 [pid 4035] close(11 [pid 4036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] close(4) = -1 EBADF (Bad file descriptor) [pid 4036] close(5) = -1 EBADF (Bad file descriptor) [pid 4036] close(6) = -1 EBADF (Bad file descriptor) [pid 4036] close(7) = -1 EBADF (Bad file descriptor) [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] close(8 [pid 4035] close(12 [pid 4036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4036] close(9) = -1 EBADF (Bad file descriptor) [pid 4036] close(10) = -1 EBADF (Bad file descriptor) [pid 4036] close(11) = -1 EBADF (Bad file descriptor) [pid 4036] close(12) = -1 EBADF (Bad file descriptor) [pid 4036] close(13) = -1 EBADF (Bad file descriptor) [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] <... ioctl resumed>) = 0 [ 54.216875][ T4022] EXT4-fs (loop1): get root inode failed [ 54.216888][ T4022] EXT4-fs (loop1): mount failed [ 54.230823][ T4024] loop4: detected capacity change from 0 to 264192 [ 54.242213][ T4026] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 54.242624][ T4026] EXT4-fs (loop0): get root inode failed [pid 4036] close(14 [pid 4037] close(4 [pid 4036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4035] close(13 [pid 4036] close(15) = -1 EBADF (Bad file descriptor) [pid 4036] close(16) = -1 EBADF (Bad file descriptor) [pid 4036] close(17) = -1 EBADF (Bad file descriptor) [pid 4036] close(18) = -1 EBADF (Bad file descriptor) [pid 4036] close(19) = -1 EBADF (Bad file descriptor) [pid 4036] close(20 [pid 4039] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4037] <... close resumed>) = 0 [pid 4036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4039] ioctl(4, LOOP_CLR_FD [pid 4036] close(21) = -1 EBADF (Bad file descriptor) [pid 4037] close(3 [pid 4035] close(14 [pid 4036] close(22) = -1 EBADF (Bad file descriptor) [pid 4036] close(23) = -1 EBADF (Bad file descriptor) [pid 4036] close(24) = -1 EBADF (Bad file descriptor) [pid 4036] close(25) = -1 EBADF (Bad file descriptor) [pid 4036] close(26) = -1 EBADF (Bad file descriptor) [pid 4036] close(27) = -1 EBADF (Bad file descriptor) [pid 4036] close(28) = -1 EBADF (Bad file descriptor) [pid 4036] close(29) = -1 EBADF (Bad file descriptor) [pid 4036] exit_group(0) = ? [pid 4037] <... close resumed>) = 0 [pid 4036] +++ exited with 0 +++ [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(3 [pid 4035] close(15 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3627] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3627] close(3) = 0 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 25 ./strace-static-x86_64: Process 4050 attached [pid 4050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4050] setpgid(0, 0) = 0 [pid 4050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4037] close(4 [pid 4035] close(16 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 54.242646][ T4026] EXT4-fs (loop0): mount failed [ 54.274456][ T4024] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 54.275114][ T4024] EXT4-fs (loop4): get root inode failed [ 54.275129][ T4024] EXT4-fs (loop4): mount failed [ 54.438645][ T4035] loop2: detected capacity change from 0 to 264192 [ 54.444675][ T4036] loop1: detected capacity change from 0 to 264192 [pid 4037] close(5 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4039] <... ioctl resumed>) = 0 [pid 4039] close(4) = 0 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4035] close(17 [pid 4039] close(3 [pid 4050] <... openat resumed>) = 3 [pid 4039] <... close resumed>) = 0 [pid 4050] write(3, "1000", 4 [pid 4039] close(3 [pid 4050] <... write resumed>) = 4 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] close(3 [pid 4039] close(4 [pid 4050] <... close resumed>) = 0 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] memfd_create("syzkaller", 0 [pid 4039] close(5 [pid 4050] <... memfd_create resumed>) = 3 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] ftruncate(3, 135266304 [pid 4039] close(6 [pid 4050] <... ftruncate resumed>) = 0 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] 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 [pid 4039] close(7 [pid 4050] <... pwrite64 resumed>) = 102 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] pwrite64(3, NULL, 0, 1248 [pid 4039] close(8 [pid 4050] <... pwrite64 resumed>) = 0 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4039] close(9 [pid 4050] <... pwrite64 resumed>) = 9 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(6 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] pwrite64(3, NULL, 0, 1600 [pid 4039] close(10 [pid 4050] <... pwrite64 resumed>) = 0 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4039] close(11 [pid 4050] <... pwrite64 resumed>) = 9 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4039] close(12 [pid 4050] <... pwrite64 resumed>) = 8 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] pwrite64(3, NULL, 0, 26624 [pid 4039] close(13 [pid 4050] <... pwrite64 resumed>) = 0 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] pwrite64(3, NULL, 0, 36864 [pid 4039] close(14 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4035] close(18 [pid 4050] <... pwrite64 resumed>) = 0 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] pwrite64(3, NULL, 0, 4194300 [pid 4039] close(15 [pid 4050] <... pwrite64 resumed>) = 0 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(7 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] pwrite64(3, NULL, 0, 69888 [pid 4039] close(16 [pid 4050] <... pwrite64 resumed>) = 0 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] pwrite64(3, NULL, 0, 71040 [pid 4039] close(17 [pid 4050] <... pwrite64 resumed>) = 0 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4039] close(18 [pid 4050] <... openat resumed>) = 4 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] ioctl(4, LOOP_SET_FD, 3 [ 54.473056][ T4037] loop3: detected capacity change from 0 to 264192 [ 54.497396][ T4035] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 54.497978][ T4035] EXT4-fs (loop2): get root inode failed [ 54.497991][ T4035] EXT4-fs (loop2): mount failed [ 54.506954][ T4036] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4039] close(19 [pid 4050] <... ioctl resumed>) = 0 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4035] close(19 [pid 4050] mkdir("./file0", 0777 [pid 4039] close(20 [pid 4050] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(8 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4039] close(21) = -1 EBADF (Bad file descriptor) [pid 4039] close(22) = -1 EBADF (Bad file descriptor) [pid 4039] close(23) = -1 EBADF (Bad file descriptor) [pid 4039] close(24) = -1 EBADF (Bad file descriptor) [pid 4039] close(25) = -1 EBADF (Bad file descriptor) [pid 4039] close(26) = -1 EBADF (Bad file descriptor) [pid 4039] close(27) = -1 EBADF (Bad file descriptor) [pid 4039] close(28) = -1 EBADF (Bad file descriptor) [pid 4039] close(29 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4035] close(20 [pid 4039] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4039] exit_group(0) = ? [pid 4039] +++ exited with 0 +++ [pid 4037] close(9 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4035] close(21 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4050] ioctl(4, LOOP_CLR_FD [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] restart_syscall(<... resuming interrupted clone ...> [pid 4037] close(10) = -1 EBADF (Bad file descriptor) [pid 4035] close(22 [pid 3626] <... restart_syscall resumed>) = 0 [ 54.507387][ T4036] EXT4-fs (loop1): get root inode failed [ 54.507400][ T4036] EXT4-fs (loop1): mount failed [ 54.516385][ T4037] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 54.516907][ T4037] EXT4-fs (loop3): get root inode failed [ 54.516921][ T4037] EXT4-fs (loop3): mount failed [ 54.536897][ T4038] loop4: detected capacity change from 0 to 264192 [ 54.561126][ T4039] loop0: detected capacity change from 0 to 264192 [pid 4050] <... ioctl resumed>) = 0 [pid 4037] close(11 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] close(4 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] <... close resumed>) = 0 [pid 4035] close(23 [pid 4050] close(3) = 0 [pid 4037] close(12 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 4050] close(3) = -1 EBADF (Bad file descriptor) [pid 4050] close(4) = -1 EBADF (Bad file descriptor) [pid 4050] close(5) = -1 EBADF (Bad file descriptor) [pid 4050] close(6) = -1 EBADF (Bad file descriptor) [pid 4050] close(7) = -1 EBADF (Bad file descriptor) [pid 4050] close(8 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4035] close(24 [pid 3626] <... openat resumed>) = 3 [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] close(9) = -1 EBADF (Bad file descriptor) [pid 4037] close(13 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] ioctl(3, LOOP_CLR_FD [pid 4050] close(10) = -1 EBADF (Bad file descriptor) [pid 4050] close(11) = -1 EBADF (Bad file descriptor) [pid 4050] close(12) = -1 EBADF (Bad file descriptor) [pid 4050] close(13) = -1 EBADF (Bad file descriptor) [pid 4050] close(14 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4035] close(25 [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] close(15) = -1 EBADF (Bad file descriptor) [ 54.582494][ T4038] EXT4-fs error (device loop4): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 54.583029][ T4038] EXT4-fs (loop4): get root inode failed [ 54.583042][ T4038] EXT4-fs (loop4): mount failed [ 54.608290][ T4039] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 54.608770][ T4039] EXT4-fs (loop0): get root inode failed [ 54.608783][ T4039] EXT4-fs (loop0): mount failed [pid 4037] close(14 [pid 4050] close(16 [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] close(3 [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] close(17) = -1 EBADF (Bad file descriptor) [pid 4037] close(15 [pid 4035] close(26 [pid 3626] <... close resumed>) = 0 [pid 4050] close(18 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(16 [pid 4035] close(27 [pid 4050] close(19 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(17 [pid 4035] close(28 [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 26 [pid 4050] close(20 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(18 [pid 4035] close(29./strace-static-x86_64: Process 4053 attached [pid 4050] close(21 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4035] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(19 [pid 4053] <... prctl resumed>) = 0 [pid 4050] close(22 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4035] exit_group(0 [pid 4053] setpgid(0, 0 [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(20 [pid 4035] <... exit_group resumed>) = ? [pid 4053] <... setpgid resumed>) = 0 [pid 4050] close(23 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] close(21 [pid 4035] +++ exited with 0 +++ [pid 4053] <... openat resumed>) = 3 [pid 4050] close(24 [pid 4053] write(3, "1000", 4 [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4053] <... write resumed>) = 4 [pid 4050] close(25 [pid 4037] close(22 [pid 4053] close(3 [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4053] <... close resumed>) = 0 [pid 4050] close(26 [pid 4037] close(23 [pid 4053] memfd_create("syzkaller", 0 [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4053] <... memfd_create resumed>) = 3 [pid 4050] close(27 [pid 4053] ftruncate(3, 135266304 [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4053] <... ftruncate resumed>) = 0 [pid 4050] close(28 [pid 4053] 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 [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4053] <... pwrite64 resumed>) = 102 [pid 4050] close(29 [pid 4053] pwrite64(3, NULL, 0, 1248 [pid 4050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4053] <... pwrite64 resumed>) = 0 [pid 4050] exit_group(0 [pid 4053] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4050] <... exit_group resumed>) = ? [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4053] <... pwrite64 resumed>) = 9 [ 54.688968][ T4050] loop1: detected capacity change from 0 to 264192 [ 54.721393][ T4050] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 54.721819][ T4050] EXT4-fs (loop1): get root inode failed [ 54.721832][ T4050] EXT4-fs (loop1): mount failed [pid 4050] +++ exited with 0 +++ [pid 4037] close(24 [pid 3625] <... openat resumed>) = 3 [pid 4053] pwrite64(3, NULL, 0, 1600 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] ioctl(3, LOOP_CLR_FD [pid 4053] <... pwrite64 resumed>) = 0 [pid 4037] close(25 [pid 4053] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4053] <... pwrite64 resumed>) = 9 [pid 4037] close(26 [pid 3625] close(3 [pid 4053] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 4053] <... pwrite64 resumed>) = 8 [pid 4037] close(27 [pid 4053] pwrite64(3, NULL, 0, 26624 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4053] <... pwrite64 resumed>) = 0 [pid 4037] close(28 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4053] pwrite64(3, NULL, 0, 36864 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 4053] <... pwrite64 resumed>) = 0 [pid 4037] close(29 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 27 [pid 4053] pwrite64(3, NULL, 0, 4194300 [pid 4037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4053] <... pwrite64 resumed>) = 0 [pid 4037] exit_group(0 [pid 3627] close(3 [pid 4053] pwrite64(3, NULL, 0, 69888 [pid 4037] <... exit_group resumed>) = ? [pid 3627] <... close resumed>) = 0 ./strace-static-x86_64: Process 4054 attached [pid 4053] <... pwrite64 resumed>) = 0 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4053] pwrite64(3, NULL, 0, 71040 [pid 4037] +++ exited with 0 +++ [pid 4054] <... prctl resumed>) = 0 [pid 4053] <... pwrite64 resumed>) = 0 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 26 [pid 4054] setpgid(0, 0 [pid 4053] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3629] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 4055 attached [pid 4054] <... setpgid resumed>) = 0 [pid 4053] <... openat resumed>) = 4 [pid 3629] <... restart_syscall resumed>) = 0 [pid 4055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4053] ioctl(4, LOOP_SET_FD, 3 [pid 4055] <... prctl resumed>) = 0 [pid 4054] <... openat resumed>) = 3 [pid 4053] <... ioctl resumed>) = 0 [pid 4055] setpgid(0, 0 [pid 4054] write(3, "1000", 4 [pid 4053] mkdir("./file0", 0777 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4054] <... write resumed>) = 4 [pid 4053] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3629] <... openat resumed>) = 3 [pid 4054] close(3 [pid 4053] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 3629] ioctl(3, LOOP_CLR_FD [pid 4054] <... close resumed>) = 0 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4054] memfd_create("syzkaller", 0 [pid 3629] close(3 [pid 4054] <... memfd_create resumed>) = 3 [pid 3629] <... close resumed>) = 0 [pid 4054] ftruncate(3, 135266304 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4054] <... ftruncate resumed>) = 0 [pid 4054] 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 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 30 [pid 4054] <... pwrite64 resumed>) = 102 [pid 4054] pwrite64(3, NULL, 0, 1248) = 0 [pid 4054] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4054] pwrite64(3, NULL, 0, 1600) = 0 [pid 4055] <... setpgid resumed>) = 0 [pid 4054] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4054] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576./strace-static-x86_64: Process 4056 attached [pid 4055] <... openat resumed>) = 3 [pid 4054] <... pwrite64 resumed>) = 8 [pid 4056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4055] write(3, "1000", 4 [pid 4054] pwrite64(3, NULL, 0, 26624 [pid 4056] <... prctl resumed>) = 0 [pid 4055] <... write resumed>) = 4 [pid 4054] <... pwrite64 resumed>) = 0 [pid 4056] setpgid(0, 0 [pid 4055] close(3 [pid 4054] pwrite64(3, NULL, 0, 36864 [pid 4056] <... setpgid resumed>) = 0 [pid 4055] <... close resumed>) = 0 [pid 4054] <... pwrite64 resumed>) = 0 [pid 4056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4055] memfd_create("syzkaller", 0 [pid 4054] pwrite64(3, NULL, 0, 4194300 [pid 4053] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4056] <... openat resumed>) = 3 [pid 4054] <... pwrite64 resumed>) = 0 [pid 4053] ioctl(4, LOOP_CLR_FD [pid 4056] write(3, "1000", 4 [pid 4054] pwrite64(3, NULL, 0, 69888 [pid 4053] <... ioctl resumed>) = 0 [pid 4056] <... write resumed>) = 4 [pid 4054] <... pwrite64 resumed>) = 0 [pid 4053] close(4 [pid 4056] close(3 [pid 4054] pwrite64(3, NULL, 0, 71040 [pid 4053] <... close resumed>) = 0 [pid 4056] <... close resumed>) = 0 [pid 4054] <... pwrite64 resumed>) = 0 [pid 4053] close(3 [pid 4056] memfd_create("syzkaller", 0 [pid 4054] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4053] <... close resumed>) = 0 [pid 4056] <... memfd_create resumed>) = 3 [pid 4054] <... openat resumed>) = 4 [pid 4053] close(3 [pid 4056] ftruncate(3, 135266304 [pid 4054] ioctl(4, LOOP_SET_FD, 3 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] <... ftruncate resumed>) = 0 [pid 4054] <... ioctl resumed>) = 0 [pid 4053] close(4 [pid 4056] 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 [pid 4054] mkdir("./file0", 0777 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] <... pwrite64 resumed>) = 102 [pid 4055] <... memfd_create resumed>) = 3 [pid 4054] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4053] close(5 [pid 4056] pwrite64(3, NULL, 0, 1248 [pid 4055] ftruncate(3, 135266304 [pid 4054] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] <... pwrite64 resumed>) = 0 [pid 4055] <... ftruncate resumed>) = 0 [pid 4053] close(6 [pid 4056] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4055] 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 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] <... pwrite64 resumed>) = 9 [pid 4055] <... pwrite64 resumed>) = 102 [pid 4053] close(7 [pid 4056] pwrite64(3, NULL, 0, 1600 [pid 4055] pwrite64(3, NULL, 0, 1248 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] <... pwrite64 resumed>) = 0 [pid 4055] <... pwrite64 resumed>) = 0 [pid 4053] close(8 [pid 4056] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4055] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] <... pwrite64 resumed>) = 9 [pid 4055] <... pwrite64 resumed>) = 9 [pid 4053] close(9 [pid 4056] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4055] pwrite64(3, NULL, 0, 1600 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] <... pwrite64 resumed>) = 8 [pid 4055] <... pwrite64 resumed>) = 0 [pid 4053] close(10 [pid 4056] pwrite64(3, NULL, 0, 26624 [pid 4055] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 54.882041][ T4053] loop0: detected capacity change from 0 to 264192 [ 54.913508][ T4053] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4056] <... pwrite64 resumed>) = 0 [pid 4055] <... pwrite64 resumed>) = 9 [pid 4053] close(11 [pid 4056] pwrite64(3, NULL, 0, 36864 [pid 4055] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] <... pwrite64 resumed>) = 0 [pid 4055] <... pwrite64 resumed>) = 8 [pid 4053] close(12 [pid 4056] pwrite64(3, NULL, 0, 4194300 [pid 4055] pwrite64(3, NULL, 0, 26624 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] <... pwrite64 resumed>) = 0 [pid 4055] <... pwrite64 resumed>) = 0 [pid 4053] close(13 [pid 4056] pwrite64(3, NULL, 0, 69888 [pid 4055] pwrite64(3, NULL, 0, 36864 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] <... pwrite64 resumed>) = 0 [pid 4055] <... pwrite64 resumed>) = 0 [pid 4053] close(14 [pid 4056] pwrite64(3, NULL, 0, 71040 [pid 4055] pwrite64(3, NULL, 0, 4194300 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] <... pwrite64 resumed>) = 0 [pid 4055] <... pwrite64 resumed>) = 0 [pid 4053] close(15 [pid 4056] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4055] pwrite64(3, NULL, 0, 69888 [pid 4054] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] <... openat resumed>) = 4 [pid 4055] <... pwrite64 resumed>) = 0 [pid 4054] ioctl(4, LOOP_CLR_FD [pid 4053] close(16 [pid 4056] ioctl(4, LOOP_SET_FD, 3 [pid 4055] pwrite64(3, NULL, 0, 71040 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] <... ioctl resumed>) = 0 [pid 4055] <... pwrite64 resumed>) = 0 [pid 4053] close(17 [pid 4056] mkdir("./file0", 0777 [pid 4055] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4055] <... openat resumed>) = 4 [pid 4053] close(18 [pid 4056] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] ioctl(4, LOOP_SET_FD, 3 [pid 4053] close(19 [pid 4055] <... ioctl resumed>) = 0 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] mkdir("./file0", 0777 [pid 4053] close(20) = -1 EBADF (Bad file descriptor) [pid 4053] close(21) = -1 EBADF (Bad file descriptor) [ 54.914226][ T4053] EXT4-fs (loop0): get root inode failed [ 54.914241][ T4053] EXT4-fs (loop0): mount failed [pid 4053] close(22) = -1 EBADF (Bad file descriptor) [pid 4053] close(23) = -1 EBADF (Bad file descriptor) [pid 4053] close(24) = -1 EBADF (Bad file descriptor) [pid 4053] close(25) = -1 EBADF (Bad file descriptor) [pid 4053] close(26 [pid 4055] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4053] close(27) = -1 EBADF (Bad file descriptor) [pid 4053] close(28 [pid 4055] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4054] <... ioctl resumed>) = 0 [pid 4053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4053] close(29) = -1 EBADF (Bad file descriptor) [pid 4054] close(4 [pid 4053] exit_group(0 [pid 4054] <... close resumed>) = 0 [pid 4053] <... exit_group resumed>) = ? [pid 4054] close(3 [pid 4053] +++ exited with 0 +++ [pid 4054] <... close resumed>) = 0 [pid 4054] close(3 [pid 3626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] restart_syscall(<... resuming interrupted clone ...> [pid 4054] close(4 [pid 3626] <... restart_syscall resumed>) = 0 [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4054] close(5) = -1 EBADF (Bad file descriptor) [pid 4054] close(6 [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... openat resumed>) = 3 [pid 4054] close(7 [pid 3626] ioctl(3, LOOP_CLR_FD [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4054] close(8 [pid 3626] close(3 [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4054] close(9 [pid 3626] <... close resumed>) = 0 [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4054] close(10 [pid 4056] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] ioctl(4, LOOP_CLR_FD [pid 4054] close(11 [pid 3626] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 27 [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4054] close(12) = -1 EBADF (Bad file descriptor) [pid 4054] close(13) = -1 EBADF (Bad file descriptor) [pid 4054] close(14) = -1 EBADF (Bad file descriptor) [pid 4054] close(15) = -1 EBADF (Bad file descriptor) [pid 4054] close(16) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4064 attached [pid 4054] close(17) = -1 EBADF (Bad file descriptor) [pid 4064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4054] close(18 [pid 4064] <... prctl resumed>) = 0 [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] setpgid(0, 0 [pid 4054] close(19 [pid 4064] <... setpgid resumed>) = 0 [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4054] close(20 [pid 4064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4054] close(21 [pid 4064] <... openat resumed>) = 3 [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] write(3, "1000", 4 [pid 4054] close(22) = -1 EBADF (Bad file descriptor) [pid 4064] <... write resumed>) = 4 [ 54.931403][ T4054] loop2: detected capacity change from 0 to 264192 [ 54.972501][ T4054] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4054] close(23 [pid 4064] close(3 [pid 4055] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4054] close(24 [pid 4055] ioctl(4, LOOP_CLR_FD [pid 4064] <... close resumed>) = 0 [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4054] close(25 [pid 4064] memfd_create("syzkaller", 0 [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] <... memfd_create resumed>) = 3 [pid 4054] close(26 [pid 4064] ftruncate(3, 135266304 [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4054] close(27 [pid 4064] <... ftruncate resumed>) = 0 [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] 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 [pid 4054] close(28 [pid 4064] <... pwrite64 resumed>) = 102 [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] pwrite64(3, NULL, 0, 1248 [pid 4054] close(29 [pid 4064] <... pwrite64 resumed>) = 0 [pid 4054] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4054] exit_group(0 [pid 4064] pwrite64(3, NULL, 0, 1600 [pid 4054] <... exit_group resumed>) = ? [pid 4064] <... pwrite64 resumed>) = 0 [pid 4064] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4054] +++ exited with 0 +++ [pid 4064] <... pwrite64 resumed>) = 9 [pid 4064] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4064] pwrite64(3, NULL, 0, 26624 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4064] <... pwrite64 resumed>) = 0 [pid 4064] pwrite64(3, NULL, 0, 36864 [pid 4056] <... ioctl resumed>) = 0 [pid 3625] <... openat resumed>) = 3 [pid 4064] <... pwrite64 resumed>) = 0 [pid 4056] close(4 [pid 4064] pwrite64(3, NULL, 0, 4194300 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 4064] <... pwrite64 resumed>) = 0 [pid 4056] <... close resumed>) = 0 [pid 4064] pwrite64(3, NULL, 0, 69888 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4064] <... pwrite64 resumed>) = 0 [pid 4056] close(3 [pid 4064] pwrite64(3, NULL, 0, 71040 [pid 3625] close(3 [pid 4056] <... close resumed>) = 0 [pid 4064] <... pwrite64 resumed>) = 0 [pid 4056] close(3 [pid 3625] <... close resumed>) = 0 [pid 4064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] <... openat resumed>) = 4 [pid 4056] close(4 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4064] ioctl(4, LOOP_SET_FD, 3 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] <... ioctl resumed>) = 0 [pid 4056] close(5 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 28 [pid 4064] mkdir("./file0", 0777 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4064] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4056] close(6 [pid 4064] mount("/dev/loop0", "./file0", "ext4", 0, ",errors=continue" [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4056] close(7) = -1 EBADF (Bad file descriptor) [pid 4056] close(8) = -1 EBADF (Bad file descriptor) [pid 4056] close(9) = -1 EBADF (Bad file descriptor) [pid 4056] close(10) = -1 EBADF (Bad file descriptor) [ 54.973114][ T4054] EXT4-fs (loop2): get root inode failed [ 54.973128][ T4054] EXT4-fs (loop2): mount failed [ 54.988364][ T4056] loop3: detected capacity change from 0 to 264192 [ 55.004030][ T4055] loop1: detected capacity change from 0 to 264192 [pid 4056] close(11./strace-static-x86_64: Process 4066 attached [pid 4066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... ioctl resumed>) = 0 [pid 4066] <... prctl resumed>) = 0 [pid 4056] close(12 [pid 4055] close(4 [pid 4066] setpgid(0, 0 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = 0 [pid 4066] <... setpgid resumed>) = 0 [pid 4056] close(13 [pid 4055] close(3 [pid 4066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = 0 [pid 4066] <... openat resumed>) = 3 [pid 4056] close(14 [pid 4055] close(3 [pid 4066] write(3, "1000", 4 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4066] <... write resumed>) = 4 [pid 4056] close(15 [pid 4055] close(4 [pid 4066] close(3 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4066] <... close resumed>) = 0 [pid 4056] close(16 [pid 4055] close(5 [pid 4066] memfd_create("syzkaller", 0 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4066] <... memfd_create resumed>) = 3 [pid 4056] close(17 [pid 4055] close(6 [pid 4066] ftruncate(3, 135266304 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4066] <... ftruncate resumed>) = 0 [pid 4056] close(18 [pid 4055] close(7 [pid 4066] 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 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4066] <... pwrite64 resumed>) = 102 [pid 4056] close(19 [pid 4055] close(8 [pid 4066] pwrite64(3, NULL, 0, 1248 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4066] <... pwrite64 resumed>) = 0 [pid 4056] close(20 [pid 4055] close(9 [pid 4066] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4066] <... pwrite64 resumed>) = 9 [pid 4056] close(21 [pid 4055] close(10 [pid 4066] pwrite64(3, NULL, 0, 1600 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4066] <... pwrite64 resumed>) = 0 [pid 4056] close(22 [pid 4055] close(11 [pid 3628] <... openat resumed>) = 3 [pid 4066] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 55.026196][ T4056] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 55.026684][ T4056] EXT4-fs (loop3): get root inode failed [ 55.026857][ T4056] EXT4-fs (loop3): mount failed [pid 3628] fstat(3, [pid 4066] <... pwrite64 resumed>) = 9 [pid 4056] close(23 [pid 4055] close(12 [pid 4066] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4066] <... pwrite64 resumed>) = 8 [pid 4056] close(24 [pid 4055] close(13 [pid 4066] pwrite64(3, NULL, 0, 26624 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4066] <... pwrite64 resumed>) = 0 [pid 4056] close(25 [pid 4055] close(14 [pid 4066] pwrite64(3, NULL, 0, 36864 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4066] <... pwrite64 resumed>) = 0 [pid 4056] close(26 [pid 4055] close(15 [pid 3628] <... fstat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 4066] pwrite64(3, NULL, 0, 4194300 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 4066] <... pwrite64 resumed>) = 0 [pid 4056] close(27 [pid 4055] close(16 [pid 4066] pwrite64(3, NULL, 0, 69888 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] <... getdents64 resumed>0x5555567ce620 /* 2 entries */, 32768) = 48 [pid 4066] <... pwrite64 resumed>) = 0 [pid 4056] close(28 [pid 4055] close(17 [pid 4066] pwrite64(3, NULL, 0, 71040 [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4066] <... pwrite64 resumed>) = 0 [pid 4056] close(29 [pid 4055] close(18 [pid 4066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4066] <... openat resumed>) = 4 [pid 4056] exit_group(0 [pid 4055] close(19 [pid 4066] ioctl(4, LOOP_SET_FD, 3 [pid 4056] <... exit_group resumed>) = ? [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4066] <... ioctl resumed>) = 0 [pid 4056] +++ exited with 0 +++ [pid 4055] close(20 [pid 4066] mkdir("./file0", 0777 [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3628] getdents64(3, [pid 4066] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4055] close(21 [pid 4066] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4055] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4055] close(22) = -1 EBADF (Bad file descriptor) [pid 4055] close(23) = -1 EBADF (Bad file descriptor) [pid 4055] close(24) = -1 EBADF (Bad file descriptor) [pid 4055] close(25) = -1 EBADF (Bad file descriptor) [pid 4055] close(26) = -1 EBADF (Bad file descriptor) [pid 4055] close(27) = -1 EBADF (Bad file descriptor) [pid 4055] close(28) = -1 EBADF (Bad file descriptor) [pid 4055] close(29) = -1 EBADF (Bad file descriptor) [pid 4055] exit_group(0) = ? [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3628] <... getdents64 resumed>0x5555567ce620 /* 0 entries */, 32768) = 0 [pid 4055] +++ exited with 0 +++ [pid 3629] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3628] close(3 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3629] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 55.061285][ T4055] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 55.061758][ T4055] EXT4-fs (loop1): get root inode failed [ 55.061772][ T4055] EXT4-fs (loop1): mount failed [ 55.100982][ T4064] loop0: detected capacity change from 0 to 264192 [ 55.128033][ T4064] EXT4-fs error (device loop0): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3629] close(3) = 0 [pid 3628] <... close resumed>) = 0 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4069 attached , child_tidptr=0x5555567cd5d0) = 31 [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 4069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4069] setpgid(0, 0 [pid 3627] <... restart_syscall resumed>) = 0 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3627] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3627] close(3) = 0 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 27 [pid 4069] <... setpgid resumed>) = 0 [pid 4069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4069] write(3, "1000", 4) = 4 [pid 4069] close(3) = 0 [pid 4069] memfd_create("syzkaller", 0./strace-static-x86_64: Process 4072 attached ) = 3 [pid 4066] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4069] ftruncate(3, 135266304) = 0 [pid 4069] 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 4069] pwrite64(3, NULL, 0, 1248) = 0 [pid 4069] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4069] pwrite64(3, NULL, 0, 1600) = 0 [pid 4069] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4069] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4069] pwrite64(3, NULL, 0, 26624) = 0 [pid 4069] pwrite64(3, NULL, 0, 36864) = 0 [pid 4069] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4069] pwrite64(3, NULL, 0, 69888) = 0 [pid 4069] pwrite64(3, NULL, 0, 71040) = 0 [pid 4069] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 4069] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4069] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4069] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4066] ioctl(4, LOOP_CLR_FD [pid 4072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4072] setpgid(0, 0) = 0 [pid 4072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4072] write(3, "1000", 4) = 4 [ 55.128471][ T4064] EXT4-fs (loop0): get root inode failed [ 55.128484][ T4064] EXT4-fs (loop0): mount failed [ 55.178335][ T4066] loop2: detected capacity change from 0 to 264192 [ 55.226712][ T4066] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 55.227208][ T4066] EXT4-fs (loop2): get root inode failed [pid 4072] close(3) = 0 [pid 4072] memfd_create("syzkaller", 0) = 3 [pid 4072] ftruncate(3, 135266304) = 0 [pid 4072] 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 4072] pwrite64(3, NULL, 0, 1248) = 0 [pid 4072] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4072] pwrite64(3, NULL, 0, 1600) = 0 [pid 4072] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4072] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4072] pwrite64(3, NULL, 0, 26624) = 0 [pid 4072] pwrite64(3, NULL, 0, 36864) = 0 [pid 4072] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4072] pwrite64(3, NULL, 0, 69888) = 0 [pid 4072] pwrite64(3, NULL, 0, 71040) = 0 [pid 4072] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 4072] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4072] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4072] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4066] <... ioctl resumed>) = 0 [pid 4066] close(4) = 0 [pid 4066] close(3) = 0 [pid 4066] close(3) = -1 EBADF (Bad file descriptor) [pid 4066] close(4) = -1 EBADF (Bad file descriptor) [pid 4066] close(5) = -1 EBADF (Bad file descriptor) [pid 4066] close(6) = -1 EBADF (Bad file descriptor) [pid 4066] close(7) = -1 EBADF (Bad file descriptor) [pid 4066] close(8 [pid 4069] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] ioctl(4, LOOP_CLR_FD [pid 4066] close(9) = -1 EBADF (Bad file descriptor) [ 55.227221][ T4066] EXT4-fs (loop2): mount failed [ 55.249386][ T4069] loop3: detected capacity change from 0 to 264192 [ 55.278170][ T4072] loop1: detected capacity change from 0 to 264192 [ 55.280606][ T4069] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 55.281087][ T4069] EXT4-fs (loop3): get root inode failed [pid 4066] close(10) = -1 EBADF (Bad file descriptor) [pid 4066] close(11) = -1 EBADF (Bad file descriptor) [pid 4066] close(12) = -1 EBADF (Bad file descriptor) [pid 4066] close(13 [pid 4072] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4072] ioctl(4, LOOP_CLR_FD [pid 4066] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4066] close(14) = -1 EBADF (Bad file descriptor) [pid 4066] close(15) = -1 EBADF (Bad file descriptor) [pid 4066] close(16) = -1 EBADF (Bad file descriptor) [pid 4066] close(17) = -1 EBADF (Bad file descriptor) [pid 4066] close(18) = -1 EBADF (Bad file descriptor) [pid 4066] close(19) = -1 EBADF (Bad file descriptor) [pid 4066] close(20) = -1 EBADF (Bad file descriptor) [pid 4066] close(21) = -1 EBADF (Bad file descriptor) [pid 4066] close(22) = -1 EBADF (Bad file descriptor) [pid 4066] close(23) = -1 EBADF (Bad file descriptor) [pid 4066] close(24) = -1 EBADF (Bad file descriptor) [pid 4066] close(25) = -1 EBADF (Bad file descriptor) [pid 4066] close(26) = -1 EBADF (Bad file descriptor) [pid 4066] close(27) = -1 EBADF (Bad file descriptor) [pid 4066] close(28) = -1 EBADF (Bad file descriptor) [pid 4066] close(29) = -1 EBADF (Bad file descriptor) [pid 4066] exit_group(0) = ? [pid 4066] +++ exited with 0 +++ [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3625] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3625] close(3) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 29 ./strace-static-x86_64: Process 4077 attached [pid 4077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4077] setpgid(0, 0) = 0 [pid 4077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4077] write(3, "1000", 4) = 4 [pid 4072] <... ioctl resumed>) = 0 [pid 4077] close(3 [pid 4072] close(4 [pid 4077] <... close resumed>) = 0 [pid 4077] memfd_create("syzkaller", 0) = 3 [pid 4077] ftruncate(3, 135266304) = 0 [pid 4077] 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 4077] pwrite64(3, NULL, 0, 1248) = 0 [pid 4077] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4077] pwrite64(3, NULL, 0, 1600) = 0 [pid 4077] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4077] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4077] pwrite64(3, NULL, 0, 26624) = 0 [pid 4077] pwrite64(3, NULL, 0, 36864) = 0 [pid 4072] <... close resumed>) = 0 [pid 4077] pwrite64(3, NULL, 0, 4194300 [pid 4072] close(3 [pid 4069] <... ioctl resumed>) = 0 [pid 4077] <... pwrite64 resumed>) = 0 [pid 4072] <... close resumed>) = 0 [pid 4069] close(4 [pid 4077] pwrite64(3, NULL, 0, 69888 [pid 4072] close(3 [pid 4069] <... close resumed>) = 0 [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(3 [pid 4077] <... pwrite64 resumed>) = 0 [pid 4072] close(4 [pid 4069] <... close resumed>) = 0 [pid 4077] pwrite64(3, NULL, 0, 71040 [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(3 [pid 4077] <... pwrite64 resumed>) = 0 [pid 4072] close(5 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4077] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(4 [pid 4077] <... openat resumed>) = 4 [pid 4072] close(6 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4077] ioctl(4, LOOP_SET_FD, 3 [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(5 [pid 4077] <... ioctl resumed>) = 0 [pid 4072] close(7 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 55.281099][ T4069] EXT4-fs (loop3): mount failed [ 55.313123][ T4072] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 55.313722][ T4072] EXT4-fs (loop1): get root inode failed [ 55.313736][ T4072] EXT4-fs (loop1): mount failed [pid 4077] mkdir("./file0", 0777 [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(6 [pid 4077] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4072] close(8 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4077] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(7 [pid 4072] close(9 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(8 [pid 4072] close(10 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(9 [pid 4072] close(11 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(10 [pid 4072] close(12 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(11 [pid 4072] close(13 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(12 [pid 4072] close(14 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(13 [pid 4072] close(15 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(14 [pid 4072] close(16 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(15 [pid 4072] close(17 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(16 [pid 4072] close(18 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(17 [pid 4072] close(19 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(18 [pid 4072] close(20 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(19 [pid 4072] close(21 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(20 [pid 4072] close(22 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(21 [pid 4072] close(23 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(22 [pid 4072] close(24 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(23 [pid 4072] close(25 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(24 [pid 4072] close(26 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(25 [pid 4072] close(27 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(26 [pid 4072] close(28 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(27 [pid 4072] close(29 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] close(28 [pid 4072] exit_group(0 [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4072] <... exit_group resumed>) = ? [pid 4069] close(29 [pid 4072] +++ exited with 0 +++ [pid 4069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4069] exit_group(0 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4069] <... exit_group resumed>) = ? [pid 4069] +++ exited with 0 +++ [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3627] <... openat resumed>) = 3 [pid 3629] close(3 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3629] <... close resumed>) = 0 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] close(3) = 0 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 32 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 28 ./strace-static-x86_64: Process 4081 attached [pid 4081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4081] setpgid(0, 0) = 0 [pid 4081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4081] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 4080 attached [pid 4081] close(3) = 0 [pid 4080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4081] memfd_create("syzkaller", 0 [pid 4080] <... prctl resumed>) = 0 [pid 4077] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4081] <... memfd_create resumed>) = 3 [pid 4080] setpgid(0, 0 [pid 4077] ioctl(4, LOOP_CLR_FD [pid 4081] ftruncate(3, 135266304 [pid 4080] <... setpgid resumed>) = 0 [pid 4081] <... ftruncate resumed>) = 0 [pid 4080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4081] 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 [pid 4080] <... openat resumed>) = 3 [pid 4081] <... pwrite64 resumed>) = 102 [pid 4081] pwrite64(3, NULL, 0, 1248 [pid 4080] write(3, "1000", 4 [pid 4081] <... pwrite64 resumed>) = 0 [pid 4080] <... write resumed>) = 4 [pid 4081] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4080] close(3 [pid 4081] <... pwrite64 resumed>) = 9 [pid 4080] <... close resumed>) = 0 [pid 4081] pwrite64(3, NULL, 0, 1600 [pid 4080] memfd_create("syzkaller", 0 [pid 4081] <... pwrite64 resumed>) = 0 [pid 4080] <... memfd_create resumed>) = 3 [pid 4081] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4080] ftruncate(3, 135266304 [pid 4081] <... pwrite64 resumed>) = 9 [pid 4080] <... ftruncate resumed>) = 0 [pid 4081] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4080] 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 [pid 4081] <... pwrite64 resumed>) = 8 [pid 4080] <... pwrite64 resumed>) = 102 [pid 4081] pwrite64(3, NULL, 0, 26624 [pid 4080] pwrite64(3, NULL, 0, 1248 [pid 4081] <... pwrite64 resumed>) = 0 [pid 4080] <... pwrite64 resumed>) = 0 [pid 4081] pwrite64(3, NULL, 0, 36864 [pid 4080] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4081] <... pwrite64 resumed>) = 0 [pid 4080] <... pwrite64 resumed>) = 9 [pid 4081] pwrite64(3, NULL, 0, 4194300 [pid 4080] pwrite64(3, NULL, 0, 1600 [pid 4081] <... pwrite64 resumed>) = 0 [pid 4080] <... pwrite64 resumed>) = 0 [pid 4081] pwrite64(3, NULL, 0, 69888 [pid 4080] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4081] <... pwrite64 resumed>) = 0 [pid 4080] <... pwrite64 resumed>) = 9 [pid 4081] pwrite64(3, NULL, 0, 71040 [pid 4080] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4081] <... pwrite64 resumed>) = 0 [pid 4080] <... pwrite64 resumed>) = 8 [pid 4081] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4080] pwrite64(3, NULL, 0, 26624 [pid 4081] <... openat resumed>) = 4 [pid 4080] <... pwrite64 resumed>) = 0 [pid 4081] ioctl(4, LOOP_SET_FD, 3 [pid 4080] pwrite64(3, NULL, 0, 36864 [pid 4081] <... ioctl resumed>) = 0 [pid 4080] <... pwrite64 resumed>) = 0 [pid 4081] mkdir("./file0", 0777 [pid 4080] pwrite64(3, NULL, 0, 4194300 [pid 4081] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4080] <... pwrite64 resumed>) = 0 [pid 4081] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4080] pwrite64(3, NULL, 0, 69888) = 0 [pid 4080] pwrite64(3, NULL, 0, 71040) = 0 [ 55.383035][ T4077] loop2: detected capacity change from 0 to 264192 [ 55.408672][ T4077] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4080] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 4080] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4080] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4080] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4081] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4077] <... ioctl resumed>) = 0 [pid 4081] ioctl(4, LOOP_CLR_FD) = 0 [pid 4081] close(4) = 0 [pid 4081] close(3) = 0 [pid 4081] close(3) = -1 EBADF (Bad file descriptor) [pid 4081] close(4 [pid 4077] close(4 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(5 [pid 4077] <... close resumed>) = 0 [ 55.409131][ T4077] EXT4-fs (loop2): get root inode failed [ 55.409145][ T4077] EXT4-fs (loop2): mount failed [ 55.452743][ T4081] loop1: detected capacity change from 0 to 264192 [ 55.461698][ T4080] loop3: detected capacity change from 0 to 264192 [ 55.480286][ T4081] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4077] close(3 [pid 4081] close(6) = -1 EBADF (Bad file descriptor) [pid 4081] close(7) = -1 EBADF (Bad file descriptor) [pid 4081] close(8) = -1 EBADF (Bad file descriptor) [pid 4081] close(9 [pid 4080] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4077] <... close resumed>) = 0 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] ioctl(4, LOOP_CLR_FD [pid 4081] close(10) = -1 EBADF (Bad file descriptor) [pid 4081] close(11) = -1 EBADF (Bad file descriptor) [pid 4081] close(12) = -1 EBADF (Bad file descriptor) [pid 4081] close(13) = -1 EBADF (Bad file descriptor) [pid 4081] close(14) = -1 EBADF (Bad file descriptor) [pid 4081] close(15) = -1 EBADF (Bad file descriptor) [pid 4081] close(16) = -1 EBADF (Bad file descriptor) [pid 4081] close(17 [pid 4077] close(3 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(18 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(19) = -1 EBADF (Bad file descriptor) [pid 4081] close(20) = -1 EBADF (Bad file descriptor) [pid 4081] close(21) = -1 EBADF (Bad file descriptor) [pid 4081] close(22) = -1 EBADF (Bad file descriptor) [pid 4081] close(23) = -1 EBADF (Bad file descriptor) [pid 4077] close(4 [pid 4081] close(24) = -1 EBADF (Bad file descriptor) [pid 4081] close(25 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(26) = -1 EBADF (Bad file descriptor) [pid 4081] close(27) = -1 EBADF (Bad file descriptor) [pid 4081] close(28 [pid 4077] close(5 [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] close(29 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4081] exit_group(0) = ? [pid 4077] close(6 [pid 4081] +++ exited with 0 +++ [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4077] close(7) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 4077] close(8 [pid 3627] <... ioctl resumed>) = 0 [pid 3627] close(3 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 4080] <... ioctl resumed>) = 0 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4080] close(4 [pid 4077] close(9 [pid 4080] <... close resumed>) = 0 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 29 [pid 4080] close(3) = 0 [pid 4080] close(3) = -1 EBADF (Bad file descriptor) [pid 4080] close(4) = -1 EBADF (Bad file descriptor) [pid 4080] close(5) = -1 EBADF (Bad file descriptor) [pid 4080] close(6) = -1 EBADF (Bad file descriptor) [pid 4080] close(7) = -1 EBADF (Bad file descriptor) [pid 4080] close(8) = -1 EBADF (Bad file descriptor) [pid 4080] close(9) = -1 EBADF (Bad file descriptor) [pid 4080] close(10) = -1 EBADF (Bad file descriptor) [pid 4080] close(11) = -1 EBADF (Bad file descriptor) [pid 4080] close(12) = -1 EBADF (Bad file descriptor) [pid 4080] close(13) = -1 EBADF (Bad file descriptor) [pid 4080] close(14) = -1 EBADF (Bad file descriptor) [pid 4080] close(15) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4086 attached [pid 4080] close(16 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4077] close(10 [pid 4080] close(17 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 55.480865][ T4081] EXT4-fs (loop1): get root inode failed [ 55.480878][ T4081] EXT4-fs (loop1): mount failed [ 55.495331][ T4080] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 55.495706][ T4080] EXT4-fs (loop3): get root inode failed [ 55.495718][ T4080] EXT4-fs (loop3): mount failed [pid 4086] <... prctl resumed>) = 0 [pid 4080] close(18 [pid 4077] close(11 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] setpgid(0, 0 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] close(19 [pid 4086] <... setpgid resumed>) = 0 [pid 4077] close(12 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] close(20 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4077] close(13 [pid 4080] close(21) = -1 EBADF (Bad file descriptor) [pid 4080] close(22 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] <... openat resumed>) = 3 [pid 4086] write(3, "1000", 4 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4077] close(14 [pid 4086] <... write resumed>) = 4 [pid 4080] close(23 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(3 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4077] close(15 [pid 4086] <... close resumed>) = 0 [pid 4080] close(24 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4080] close(25 [pid 4086] memfd_create("syzkaller", 0 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4077] close(16 [pid 4086] <... memfd_create resumed>) = 3 [pid 4080] close(26 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] ftruncate(3, 135266304 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4077] close(17 [pid 4086] <... ftruncate resumed>) = 0 [pid 4080] close(27 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] 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 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4077] close(18 [pid 4086] <... pwrite64 resumed>) = 102 [pid 4080] close(28 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] pwrite64(3, NULL, 0, 1248 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4077] close(19 [pid 4086] <... pwrite64 resumed>) = 0 [pid 4080] close(29 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4077] close(20 [pid 4086] <... pwrite64 resumed>) = 9 [pid 4080] exit_group(0 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] pwrite64(3, NULL, 0, 1600 [pid 4080] <... exit_group resumed>) = ? [pid 4077] close(21 [pid 4086] <... pwrite64 resumed>) = 0 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4077] close(22 [pid 4086] <... pwrite64 resumed>) = 9 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4077] close(23 [pid 4086] <... pwrite64 resumed>) = 8 [pid 4080] +++ exited with 0 +++ [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] pwrite64(3, NULL, 0, 26624 [pid 4077] close(24 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4086] <... pwrite64 resumed>) = 0 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] pwrite64(3, NULL, 0, 36864 [pid 4077] close(25 [pid 4086] <... pwrite64 resumed>) = 0 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] pwrite64(3, NULL, 0, 4194300 [pid 4077] close(26 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4086] <... pwrite64 resumed>) = 0 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] pwrite64(3, NULL, 0, 69888 [pid 4077] close(27 [pid 3629] <... openat resumed>) = 3 [pid 4086] <... pwrite64 resumed>) = 0 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] ioctl(3, LOOP_CLR_FD [pid 4086] pwrite64(3, NULL, 0, 71040 [pid 4077] close(28 [pid 4086] <... pwrite64 resumed>) = 0 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4086] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4077] close(29 [pid 4086] <... openat resumed>) = 4 [pid 4077] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] close(3 [pid 4086] ioctl(4, LOOP_SET_FD, 3 [pid 4077] exit_group(0 [pid 3629] <... close resumed>) = 0 [pid 4086] <... ioctl resumed>) = 0 [pid 4077] <... exit_group resumed>) = ? [pid 4086] mkdir("./file0", 0777 [pid 4077] +++ exited with 0 +++ [pid 4086] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4086] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 33 [pid 3625] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3625] close(3) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 30 ./strace-static-x86_64: Process 4088 attached [pid 4088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4088] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 4087 attached [pid 4088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4088] <... openat resumed>) = 3 [pid 4087] <... prctl resumed>) = 0 [pid 4087] setpgid(0, 0) = 0 [pid 4087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4087] write(3, "1000", 4) = 4 [pid 4087] close(3) = 0 [pid 4087] memfd_create("syzkaller", 0) = 3 [pid 4087] ftruncate(3, 135266304 [pid 4088] write(3, "1000", 4 [pid 4087] <... ftruncate resumed>) = 0 [pid 4088] <... write resumed>) = 4 [pid 4087] 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 [pid 4088] close(3 [pid 4087] <... pwrite64 resumed>) = 102 [pid 4088] <... close resumed>) = 0 [pid 4087] pwrite64(3, NULL, 0, 1248) = 0 [pid 4087] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4088] memfd_create("syzkaller", 0 [pid 4087] pwrite64(3, NULL, 0, 1600) = 0 [pid 4087] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4088] <... memfd_create resumed>) = 3 [pid 4087] <... pwrite64 resumed>) = 9 [pid 4088] ftruncate(3, 135266304 [pid 4087] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4088] <... ftruncate resumed>) = 0 [pid 4087] <... pwrite64 resumed>) = 8 [pid 4088] 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 [pid 4087] pwrite64(3, NULL, 0, 26624) = 0 [pid 4088] <... pwrite64 resumed>) = 102 [pid 4087] pwrite64(3, NULL, 0, 36864) = 0 [pid 4087] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4088] pwrite64(3, NULL, 0, 1248 [pid 4087] pwrite64(3, NULL, 0, 69888 [pid 4088] <... pwrite64 resumed>) = 0 [pid 4087] <... pwrite64 resumed>) = 0 [pid 4088] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4087] pwrite64(3, NULL, 0, 71040 [pid 4088] <... pwrite64 resumed>) = 9 [pid 4087] <... pwrite64 resumed>) = 0 [pid 4087] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4088] pwrite64(3, NULL, 0, 1600 [pid 4087] <... openat resumed>) = 4 [pid 4088] <... pwrite64 resumed>) = 0 [pid 4087] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4088] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4087] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4088] <... pwrite64 resumed>) = 9 [pid 4087] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4088] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4086] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4088] <... pwrite64 resumed>) = 8 [ 55.624919][ T4086] loop1: detected capacity change from 0 to 264192 [pid 4086] ioctl(4, LOOP_CLR_FD [pid 4088] pwrite64(3, NULL, 0, 26624) = 0 [pid 4088] pwrite64(3, NULL, 0, 36864) = 0 [pid 4088] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4088] pwrite64(3, NULL, 0, 69888) = 0 [pid 4088] pwrite64(3, NULL, 0, 71040) = 0 [pid 4088] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 4088] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4088] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4088] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4087] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4087] ioctl(4, LOOP_CLR_FD [pid 4088] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 55.670618][ T4087] loop3: detected capacity change from 0 to 264192 [ 55.672434][ T4086] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 55.672859][ T4086] EXT4-fs (loop1): get root inode failed [ 55.672872][ T4086] EXT4-fs (loop1): mount failed [ 55.687063][ T4088] loop2: detected capacity change from 0 to 264192 [ 55.706420][ T4087] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4088] ioctl(4, LOOP_CLR_FD [pid 4086] <... ioctl resumed>) = 0 [pid 4086] close(4) = 0 [pid 4086] close(3) = 0 [pid 4086] close(3) = -1 EBADF (Bad file descriptor) [pid 4086] close(4) = -1 EBADF (Bad file descriptor) [pid 4086] close(5) = -1 EBADF (Bad file descriptor) [pid 4086] close(6) = -1 EBADF (Bad file descriptor) [pid 4088] <... ioctl resumed>) = 0 [pid 4087] <... ioctl resumed>) = 0 [pid 4086] close(7 [pid 4088] close(4 [pid 4087] close(4 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = 0 [pid 4087] <... close resumed>) = 0 [pid 4086] close(8 [pid 4088] close(3 [pid 4087] close(3 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = 0 [pid 4087] <... close resumed>) = 0 [pid 4086] close(9 [pid 4088] close(3 [pid 4087] close(3 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(10 [pid 4088] close(4 [pid 4087] close(4 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(11 [pid 4088] close(5 [pid 4087] close(5 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(12 [pid 4088] close(6 [pid 4087] close(6 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(13 [pid 4088] close(7 [pid 4087] close(7 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(14 [pid 4088] close(8 [pid 4087] close(8 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(15 [pid 4088] close(9 [pid 4087] close(9 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 55.706809][ T4087] EXT4-fs (loop3): get root inode failed [ 55.706821][ T4087] EXT4-fs (loop3): mount failed [ 55.719233][ T4088] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4086] close(16 [pid 4088] close(10 [pid 4087] close(10 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(17 [pid 4088] close(11 [pid 4087] close(11 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(18 [pid 4088] close(12 [pid 4087] close(12 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(19 [pid 4088] close(13 [pid 4087] close(13 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(20 [pid 4088] close(14 [pid 4087] close(14 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(21 [pid 4088] close(15 [pid 4087] close(15 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(22 [pid 4088] close(16 [pid 4087] close(16 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(23 [pid 4088] close(17 [pid 4087] close(17 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(24 [pid 4088] close(18 [pid 4087] close(18 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(25 [pid 4088] close(19 [pid 4087] close(19 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(26 [pid 4088] close(20 [pid 4087] close(20 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(27 [pid 4088] close(21 [pid 4087] close(21 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(28 [pid 4088] close(22 [pid 4087] close(22 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] close(29 [pid 4088] close(23 [pid 4087] close(23 [pid 4086] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] exit_group(0 [pid 4088] close(24 [pid 4087] close(24 [pid 4086] <... exit_group resumed>) = ? [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4086] +++ exited with 0 +++ [pid 4088] close(25 [pid 4087] close(25 [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4088] close(26 [pid 4087] close(26 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 4088] close(27 [pid 4087] close(27 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4088] close(28 [pid 4087] close(28 [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4088] close(29 [pid 4087] close(29 [pid 3627] close(3 [pid 4088] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4087] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 4088] exit_group(0 [pid 4087] exit_group(0 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4088] <... exit_group resumed>) = ? [pid 4087] <... exit_group resumed>) = ? [pid 4088] +++ exited with 0 +++ [pid 4087] +++ exited with 0 +++ [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 30 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3625] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 4095 attached [pid 3629] <... openat resumed>) = 3 [pid 3625] <... openat resumed>) = 3 [pid 4095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3629] ioctl(3, LOOP_CLR_FD [ 55.719872][ T4088] EXT4-fs (loop2): get root inode failed [ 55.719885][ T4088] EXT4-fs (loop2): mount failed [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4095] <... prctl resumed>) = 0 [pid 3629] close(3 [pid 3625] close(3 [pid 4095] setpgid(0, 0 [pid 3629] <... close resumed>) = 0 [pid 3625] <... close resumed>) = 0 [pid 4095] <... setpgid resumed>) = 0 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 34 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 31 [pid 4095] write(3, "1000", 4) = 4 [pid 4095] close(3./strace-static-x86_64: Process 4096 attached ) = 0 [pid 4096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4095] memfd_create("syzkaller", 0 [pid 4096] <... prctl resumed>) = 0 [pid 4095] <... memfd_create resumed>) = 3 [pid 4096] setpgid(0, 0 [pid 4095] ftruncate(3, 135266304./strace-static-x86_64: Process 4097 attached [pid 4096] <... setpgid resumed>) = 0 [pid 4095] <... ftruncate resumed>) = 0 [pid 4097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4095] 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 [pid 4097] <... prctl resumed>) = 0 [pid 4096] <... openat resumed>) = 3 [pid 4095] <... pwrite64 resumed>) = 102 [pid 4097] setpgid(0, 0 [pid 4096] write(3, "1000", 4 [pid 4095] pwrite64(3, NULL, 0, 1248 [pid 4097] <... setpgid resumed>) = 0 [pid 4096] <... write resumed>) = 4 [pid 4095] <... pwrite64 resumed>) = 0 [pid 4097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4096] close(3 [pid 4097] <... openat resumed>) = 3 [pid 4096] <... close resumed>) = 0 [pid 4095] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4097] write(3, "1000", 4 [pid 4096] memfd_create("syzkaller", 0 [pid 4095] <... pwrite64 resumed>) = 9 [pid 4097] <... write resumed>) = 4 [pid 4096] <... memfd_create resumed>) = 3 [pid 4095] pwrite64(3, NULL, 0, 1600 [pid 4097] close(3 [pid 4096] ftruncate(3, 135266304 [pid 4095] <... pwrite64 resumed>) = 0 [pid 4097] <... close resumed>) = 0 [pid 4096] <... ftruncate resumed>) = 0 [pid 4095] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4097] memfd_create("syzkaller", 0 [pid 4096] 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 [pid 4095] <... pwrite64 resumed>) = 9 [pid 4097] <... memfd_create resumed>) = 3 [pid 4096] <... pwrite64 resumed>) = 102 [pid 4097] ftruncate(3, 135266304 [pid 4096] pwrite64(3, NULL, 0, 1248 [pid 4097] <... ftruncate resumed>) = 0 [pid 4096] <... pwrite64 resumed>) = 0 [pid 4095] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4097] 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 [pid 4096] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4095] <... pwrite64 resumed>) = 8 [pid 4097] <... pwrite64 resumed>) = 102 [pid 4096] <... pwrite64 resumed>) = 9 [pid 4095] pwrite64(3, NULL, 0, 26624 [pid 4097] pwrite64(3, NULL, 0, 1248 [pid 4096] pwrite64(3, NULL, 0, 1600 [pid 4095] <... pwrite64 resumed>) = 0 [pid 4097] <... pwrite64 resumed>) = 0 [pid 4096] <... pwrite64 resumed>) = 0 [pid 4095] pwrite64(3, NULL, 0, 36864 [pid 4097] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4096] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4095] <... pwrite64 resumed>) = 0 [pid 4097] <... pwrite64 resumed>) = 9 [pid 4096] <... pwrite64 resumed>) = 9 [pid 4095] pwrite64(3, NULL, 0, 4194300 [pid 4097] pwrite64(3, NULL, 0, 1600 [pid 4096] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4095] <... pwrite64 resumed>) = 0 [pid 4097] <... pwrite64 resumed>) = 0 [pid 4096] <... pwrite64 resumed>) = 8 [pid 4095] pwrite64(3, NULL, 0, 69888 [pid 4097] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4096] pwrite64(3, NULL, 0, 26624 [pid 4095] <... pwrite64 resumed>) = 0 [pid 4097] <... pwrite64 resumed>) = 9 [pid 4096] <... pwrite64 resumed>) = 0 [pid 4095] pwrite64(3, NULL, 0, 71040 [pid 4097] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4096] pwrite64(3, NULL, 0, 36864 [pid 4095] <... pwrite64 resumed>) = 0 [pid 4097] <... pwrite64 resumed>) = 8 [pid 4096] <... pwrite64 resumed>) = 0 [pid 4095] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4097] pwrite64(3, NULL, 0, 26624 [pid 4096] pwrite64(3, NULL, 0, 4194300 [pid 4095] <... openat resumed>) = 4 [pid 4097] <... pwrite64 resumed>) = 0 [pid 4096] <... pwrite64 resumed>) = 0 [pid 4095] ioctl(4, LOOP_SET_FD, 3 [pid 4097] pwrite64(3, NULL, 0, 36864 [pid 4096] pwrite64(3, NULL, 0, 69888 [pid 4095] <... ioctl resumed>) = 0 [pid 4097] <... pwrite64 resumed>) = 0 [pid 4096] <... pwrite64 resumed>) = 0 [pid 4095] mkdir("./file0", 0777 [pid 4097] pwrite64(3, NULL, 0, 4194300 [pid 4096] pwrite64(3, NULL, 0, 71040 [pid 4095] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4097] <... pwrite64 resumed>) = 0 [pid 4096] <... pwrite64 resumed>) = 0 [pid 4097] pwrite64(3, NULL, 0, 69888 [pid 4096] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4095] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4097] <... pwrite64 resumed>) = 0 [pid 4096] <... openat resumed>) = 4 [pid 4097] pwrite64(3, NULL, 0, 71040 [pid 4096] ioctl(4, LOOP_SET_FD, 3 [pid 4097] <... pwrite64 resumed>) = 0 [pid 4096] <... ioctl resumed>) = 0 [pid 4097] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4096] mkdir("./file0", 0777 [pid 4097] <... openat resumed>) = 4 [pid 4096] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4097] ioctl(4, LOOP_SET_FD, 3 [pid 4096] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4097] <... ioctl resumed>) = 0 [pid 4097] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4097] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4096] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4096] ioctl(4, LOOP_CLR_FD [pid 4095] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4095] ioctl(4, LOOP_CLR_FD [pid 4097] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 55.896688][ T4095] loop1: detected capacity change from 0 to 264192 [ 55.901239][ T4096] loop3: detected capacity change from 0 to 264192 [ 55.902854][ T4097] loop2: detected capacity change from 0 to 264192 [ 55.922827][ T4096] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4097] ioctl(4, LOOP_CLR_FD) = 0 [pid 4096] <... ioctl resumed>) = 0 [pid 4095] <... ioctl resumed>) = 0 [pid 4097] close(4 [pid 4096] close(4 [pid 4095] close(4 [pid 4097] <... close resumed>) = 0 [pid 4096] <... close resumed>) = 0 [pid 4095] <... close resumed>) = 0 [pid 4097] close(3 [pid 4096] close(3 [pid 4095] close(3 [pid 4097] <... close resumed>) = 0 [pid 4096] <... close resumed>) = 0 [pid 4095] <... close resumed>) = 0 [pid 4097] close(3 [pid 4096] close(3 [ 55.923469][ T4096] EXT4-fs (loop3): get root inode failed [ 55.923484][ T4096] EXT4-fs (loop3): mount failed [ 55.924455][ T4095] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 55.924939][ T4095] EXT4-fs (loop1): get root inode failed [ 55.924951][ T4095] EXT4-fs (loop1): mount failed [pid 4095] close(3 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(4 [pid 4096] close(4 [pid 4095] close(4 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(5 [pid 4096] close(5 [pid 4095] close(5 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(6 [pid 4096] close(6 [pid 4095] close(6 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(7 [pid 4096] close(7 [pid 4095] close(7 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(8 [pid 4096] close(8 [pid 4095] close(8 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(9 [pid 4096] close(9 [pid 4095] close(9 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(10 [pid 4096] close(10 [pid 4095] close(10 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(11 [pid 4096] close(11 [pid 4095] close(11 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(12 [pid 4096] close(12 [pid 4095] close(12 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(13 [pid 4096] close(13 [pid 4095] close(13 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(14 [pid 4096] close(14 [pid 4095] close(14 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(15 [pid 4096] close(15 [pid 4095] close(15 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(16 [pid 4096] close(16 [pid 4095] close(16 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(17 [pid 4096] close(17 [pid 4095] close(17 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(18 [pid 4096] close(18 [pid 4095] close(18 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(19 [pid 4096] close(19 [pid 4095] close(19 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(20 [pid 4096] close(20 [pid 4095] close(20 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(21 [pid 4096] close(21 [pid 4095] close(21 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(22 [pid 4096] close(22 [pid 4095] close(22 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(23 [pid 4096] close(23 [pid 4095] close(23 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(24 [pid 4096] close(24 [pid 4095] close(24 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(25 [pid 4096] close(25 [pid 4095] close(25 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(26 [pid 4096] close(26 [pid 4095] close(26 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(27 [pid 4096] close(27 [pid 4095] close(27 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(28 [pid 4096] close(28 [pid 4095] close(28 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] close(29 [ 55.927084][ T4097] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 55.927593][ T4097] EXT4-fs (loop2): get root inode failed [ 55.927607][ T4097] EXT4-fs (loop2): mount failed [pid 4096] close(29 [pid 4095] close(29 [pid 4097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4097] exit_group(0 [pid 4096] exit_group(0 [pid 4095] exit_group(0 [pid 4097] <... exit_group resumed>) = ? [pid 4096] <... exit_group resumed>) = ? [pid 4095] <... exit_group resumed>) = ? [pid 4097] +++ exited with 0 +++ [pid 4096] +++ exited with 0 +++ [pid 4095] +++ exited with 0 +++ [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3629] <... openat resumed>) = 3 [pid 3627] <... openat resumed>) = 3 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3625] <... openat resumed>) = 3 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3629] close(3 [pid 3627] close(3 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3629] <... close resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3625] close(3 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] <... close resumed>) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 35 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 31 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 32 ./strace-static-x86_64: Process 4105 attached [pid 4105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4105] setpgid(0, 0./strace-static-x86_64: Process 4106 attached ./strace-static-x86_64: Process 4104 attached ) = 0 [pid 4106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4106] <... prctl resumed>) = 0 [pid 4105] <... openat resumed>) = 3 [pid 4104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4106] setpgid(0, 0 [pid 4105] write(3, "1000", 4 [pid 4104] <... prctl resumed>) = 0 [pid 4106] <... setpgid resumed>) = 0 [pid 4105] <... write resumed>) = 4 [pid 4104] setpgid(0, 0 [pid 4106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4105] close(3 [pid 4104] <... setpgid resumed>) = 0 [pid 4106] <... openat resumed>) = 3 [pid 4105] <... close resumed>) = 0 [pid 4104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4106] write(3, "1000", 4 [pid 4105] memfd_create("syzkaller", 0 [pid 4104] <... openat resumed>) = 3 [pid 4106] <... write resumed>) = 4 [pid 4105] <... memfd_create resumed>) = 3 [pid 4104] write(3, "1000", 4 [pid 4106] close(3 [pid 4105] ftruncate(3, 135266304 [pid 4104] <... write resumed>) = 4 [pid 4106] <... close resumed>) = 0 [pid 4105] <... ftruncate resumed>) = 0 [pid 4104] close(3 [pid 4106] memfd_create("syzkaller", 0 [pid 4105] 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 [pid 4104] <... close resumed>) = 0 [pid 4106] <... memfd_create resumed>) = 3 [pid 4105] <... pwrite64 resumed>) = 102 [pid 4104] memfd_create("syzkaller", 0 [pid 4106] ftruncate(3, 135266304 [pid 4105] pwrite64(3, NULL, 0, 1248 [pid 4104] <... memfd_create resumed>) = 3 [pid 4106] <... ftruncate resumed>) = 0 [pid 4105] <... pwrite64 resumed>) = 0 [pid 4104] ftruncate(3, 135266304 [pid 4106] 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 [pid 4105] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4104] <... ftruncate resumed>) = 0 [pid 4106] <... pwrite64 resumed>) = 102 [pid 4105] <... pwrite64 resumed>) = 9 [pid 4104] 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 [pid 4106] pwrite64(3, NULL, 0, 1248 [pid 4105] pwrite64(3, NULL, 0, 1600 [pid 4104] <... pwrite64 resumed>) = 102 [pid 4106] <... pwrite64 resumed>) = 0 [pid 4105] <... pwrite64 resumed>) = 0 [pid 4104] pwrite64(3, NULL, 0, 1248 [pid 4106] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4105] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4104] <... pwrite64 resumed>) = 0 [pid 4105] <... pwrite64 resumed>) = 9 [pid 4105] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4106] <... pwrite64 resumed>) = 9 [pid 4105] <... pwrite64 resumed>) = 8 [pid 4104] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4106] pwrite64(3, NULL, 0, 1600 [pid 4105] pwrite64(3, NULL, 0, 26624 [pid 4104] <... pwrite64 resumed>) = 9 [pid 4106] <... pwrite64 resumed>) = 0 [pid 4105] <... pwrite64 resumed>) = 0 [pid 4104] pwrite64(3, NULL, 0, 1600 [pid 4106] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4105] pwrite64(3, NULL, 0, 36864) = 0 [pid 4105] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4106] <... pwrite64 resumed>) = 9 [pid 4105] pwrite64(3, NULL, 0, 69888 [pid 4104] <... pwrite64 resumed>) = 0 [pid 4106] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4105] <... pwrite64 resumed>) = 0 [pid 4104] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4106] <... pwrite64 resumed>) = 8 [pid 4105] pwrite64(3, NULL, 0, 71040 [pid 4104] <... pwrite64 resumed>) = 9 [pid 4106] pwrite64(3, NULL, 0, 26624 [pid 4105] <... pwrite64 resumed>) = 0 [pid 4104] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4106] <... pwrite64 resumed>) = 0 [pid 4105] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4104] <... pwrite64 resumed>) = 8 [pid 4106] pwrite64(3, NULL, 0, 36864 [pid 4105] <... openat resumed>) = 4 [pid 4104] pwrite64(3, NULL, 0, 26624 [pid 4106] <... pwrite64 resumed>) = 0 [pid 4105] ioctl(4, LOOP_SET_FD, 3 [pid 4104] <... pwrite64 resumed>) = 0 [pid 4106] pwrite64(3, NULL, 0, 4194300 [pid 4105] <... ioctl resumed>) = 0 [pid 4104] pwrite64(3, NULL, 0, 36864 [pid 4106] <... pwrite64 resumed>) = 0 [pid 4105] mkdir("./file0", 0777 [pid 4104] <... pwrite64 resumed>) = 0 [pid 4106] pwrite64(3, NULL, 0, 69888 [pid 4105] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4104] pwrite64(3, NULL, 0, 4194300 [pid 4106] <... pwrite64 resumed>) = 0 [pid 4105] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4104] <... pwrite64 resumed>) = 0 [pid 4106] pwrite64(3, NULL, 0, 71040 [pid 4104] pwrite64(3, NULL, 0, 69888 [pid 4106] <... pwrite64 resumed>) = 0 [pid 4104] <... pwrite64 resumed>) = 0 [pid 4106] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4104] pwrite64(3, NULL, 0, 71040 [pid 4106] <... openat resumed>) = 4 [pid 4104] <... pwrite64 resumed>) = 0 [pid 4106] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4106] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4104] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4106] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4104] <... openat resumed>) = 4 [pid 4104] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4104] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4104] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4106] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4106] ioctl(4, LOOP_CLR_FD [pid 4105] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4105] ioctl(4, LOOP_CLR_FD [pid 4104] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 56.156120][ T4105] loop1: detected capacity change from 0 to 264192 [ 56.164906][ T4106] loop2: detected capacity change from 0 to 264192 [ 56.173219][ T4104] loop3: detected capacity change from 0 to 264192 [ 56.183409][ T4106] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 56.184021][ T4106] EXT4-fs (loop2): get root inode failed [ 56.184035][ T4106] EXT4-fs (loop2): mount failed [pid 4104] ioctl(4, LOOP_CLR_FD [pid 4106] <... ioctl resumed>) = 0 [pid 4105] <... ioctl resumed>) = 0 [pid 4106] close(4 [pid 4105] close(4 [pid 4106] <... close resumed>) = 0 [pid 4105] <... close resumed>) = 0 [pid 4106] close(3 [pid 4105] close(3 [pid 4106] <... close resumed>) = 0 [pid 4105] <... close resumed>) = 0 [pid 4106] close(3 [ 56.194840][ T4105] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 56.196225][ T4105] EXT4-fs (loop1): get root inode failed [ 56.196238][ T4105] EXT4-fs (loop1): mount failed [ 56.203598][ T4104] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 56.204010][ T4104] EXT4-fs (loop3): get root inode failed [ 56.204023][ T4104] EXT4-fs (loop3): mount failed [pid 4105] close(3 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... ioctl resumed>) = 0 [pid 4106] close(4 [pid 4105] close(4 [pid 4104] close(4 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] <... close resumed>) = 0 [pid 4106] close(5 [pid 4105] close(5 [pid 4104] close(3 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(6 [pid 4105] close(6 [pid 4104] <... close resumed>) = 0 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(3 [pid 4106] close(7 [pid 4105] close(7 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(4 [pid 4106] close(8 [pid 4105] close(8 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(9 [pid 4105] close(9 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(10 [pid 4105] close(10 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] close(11 [pid 4105] close(11 [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(5 [pid 4106] close(12 [pid 4105] close(12 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(6 [pid 4106] close(13 [pid 4105] close(13 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(7 [pid 4106] close(14 [pid 4105] close(14 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(8 [pid 4106] close(15 [pid 4105] close(15 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(9 [pid 4106] close(16 [pid 4105] close(16 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(10 [pid 4106] close(17 [pid 4105] close(17 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(11 [pid 4106] close(18 [pid 4105] close(18 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(12 [pid 4106] close(19 [pid 4105] close(19 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(13 [pid 4106] close(20 [pid 4105] close(20 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(14 [pid 4106] close(21 [pid 4105] close(21 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(15 [pid 4106] close(22 [pid 4105] close(22 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(16 [pid 4106] close(23 [pid 4105] close(23 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(17 [pid 4106] close(24 [pid 4105] close(24 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(18 [pid 4106] close(25 [pid 4105] close(25 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(19 [pid 4106] close(26 [pid 4105] close(26 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(20 [pid 4106] close(27 [pid 4105] close(27 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(21 [pid 4106] close(28 [pid 4105] close(28 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(22 [pid 4106] close(29 [pid 4105] close(29 [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4105] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(23) = -1 EBADF (Bad file descriptor) [pid 4106] exit_group(0 [pid 4105] exit_group(0 [pid 4104] close(24 [pid 4106] <... exit_group resumed>) = ? [pid 4105] <... exit_group resumed>) = ? [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4104] close(25) = -1 EBADF (Bad file descriptor) [pid 4104] close(26) = -1 EBADF (Bad file descriptor) [pid 4104] close(27) = -1 EBADF (Bad file descriptor) [pid 4104] close(28) = -1 EBADF (Bad file descriptor) [pid 4104] close(29 [pid 4105] +++ exited with 0 +++ [pid 4104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4104] exit_group(0 [pid 4106] +++ exited with 0 +++ [pid 4104] <... exit_group resumed>) = ? [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4104] +++ exited with 0 +++ [pid 3627] <... openat resumed>) = 3 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3625] <... restart_syscall resumed>) = 0 [pid 3627] close(3 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3627] <... close resumed>) = 0 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3629] close(3 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 32 [pid 3629] <... close resumed>) = 0 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 36 [pid 3625] <... openat resumed>) = 3 [pid 3625] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 4113 attached [pid 3625] close(3./strace-static-x86_64: Process 4114 attached [pid 4114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3625] <... close resumed>) = 0 [pid 4114] setpgid(0, 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4114] <... setpgid resumed>) = 0 [pid 4114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4114] <... openat resumed>) = 3 [pid 4113] <... prctl resumed>) = 0 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 33 [pid 4114] write(3, "1000", 4 [pid 4113] setpgid(0, 0./strace-static-x86_64: Process 4115 attached [pid 4114] <... write resumed>) = 4 [pid 4113] <... setpgid resumed>) = 0 [pid 4115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4114] close(3 [pid 4113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4115] <... prctl resumed>) = 0 [pid 4114] <... close resumed>) = 0 [pid 4113] <... openat resumed>) = 3 [pid 4115] setpgid(0, 0 [pid 4114] memfd_create("syzkaller", 0 [pid 4113] write(3, "1000", 4 [pid 4115] <... setpgid resumed>) = 0 [pid 4114] <... memfd_create resumed>) = 3 [pid 4113] <... write resumed>) = 4 [pid 4115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4114] ftruncate(3, 135266304 [pid 4113] close(3 [pid 4115] <... openat resumed>) = 3 [pid 4114] <... ftruncate resumed>) = 0 [pid 4113] <... close resumed>) = 0 [pid 4115] write(3, "1000", 4 [pid 4114] 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 [pid 4113] memfd_create("syzkaller", 0 [pid 4115] <... write resumed>) = 4 [pid 4114] <... pwrite64 resumed>) = 102 [pid 4114] pwrite64(3, NULL, 0, 1248 [pid 4115] close(3 [pid 4114] <... pwrite64 resumed>) = 0 [pid 4113] <... memfd_create resumed>) = 3 [pid 4115] <... close resumed>) = 0 [pid 4114] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4113] ftruncate(3, 135266304 [pid 4115] memfd_create("syzkaller", 0 [pid 4114] <... pwrite64 resumed>) = 9 [pid 4113] <... ftruncate resumed>) = 0 [pid 4115] <... memfd_create resumed>) = 3 [pid 4114] pwrite64(3, NULL, 0, 1600 [pid 4113] 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 [pid 4115] ftruncate(3, 135266304 [pid 4114] <... pwrite64 resumed>) = 0 [pid 4113] <... pwrite64 resumed>) = 102 [pid 4115] <... ftruncate resumed>) = 0 [pid 4114] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4113] pwrite64(3, NULL, 0, 1248 [pid 4115] 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 [pid 4114] <... pwrite64 resumed>) = 9 [pid 4113] <... pwrite64 resumed>) = 0 [pid 4114] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4114] pwrite64(3, NULL, 0, 26624) = 0 [pid 4114] pwrite64(3, NULL, 0, 36864) = 0 [pid 4114] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4114] pwrite64(3, NULL, 0, 69888 [pid 4115] <... pwrite64 resumed>) = 102 [pid 4114] <... pwrite64 resumed>) = 0 [pid 4113] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4115] pwrite64(3, NULL, 0, 1248 [pid 4114] pwrite64(3, NULL, 0, 71040 [pid 4113] <... pwrite64 resumed>) = 9 [pid 4115] <... pwrite64 resumed>) = 0 [pid 4114] <... pwrite64 resumed>) = 0 [pid 4113] pwrite64(3, NULL, 0, 1600 [pid 4115] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4114] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4113] <... pwrite64 resumed>) = 0 [pid 4115] <... pwrite64 resumed>) = 9 [pid 4114] <... openat resumed>) = 4 [pid 4113] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4115] pwrite64(3, NULL, 0, 1600 [pid 4114] ioctl(4, LOOP_SET_FD, 3 [pid 4113] <... pwrite64 resumed>) = 9 [pid 4115] <... pwrite64 resumed>) = 0 [pid 4114] <... ioctl resumed>) = 0 [pid 4113] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4115] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4114] mkdir("./file0", 0777 [pid 4113] <... pwrite64 resumed>) = 8 [pid 4114] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4114] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4115] <... pwrite64 resumed>) = 9 [pid 4115] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4113] pwrite64(3, NULL, 0, 26624 [pid 4115] pwrite64(3, NULL, 0, 26624 [pid 4113] <... pwrite64 resumed>) = 0 [pid 4113] pwrite64(3, NULL, 0, 36864) = 0 [pid 4115] <... pwrite64 resumed>) = 0 [pid 4113] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4113] pwrite64(3, NULL, 0, 69888 [pid 4115] pwrite64(3, NULL, 0, 36864) = 0 [pid 4113] <... pwrite64 resumed>) = 0 [pid 4113] pwrite64(3, NULL, 0, 71040 [pid 4115] pwrite64(3, NULL, 0, 4194300 [pid 4113] <... pwrite64 resumed>) = 0 [pid 4115] <... pwrite64 resumed>) = 0 [pid 4113] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4115] pwrite64(3, NULL, 0, 69888 [pid 4113] <... openat resumed>) = 4 [pid 4115] <... pwrite64 resumed>) = 0 [pid 4113] ioctl(4, LOOP_SET_FD, 3 [pid 4115] pwrite64(3, NULL, 0, 71040 [pid 4113] <... ioctl resumed>) = 0 [pid 4115] <... pwrite64 resumed>) = 0 [pid 4113] mkdir("./file0", 0777 [pid 4115] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4113] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4115] <... openat resumed>) = 4 [pid 4113] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4115] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4115] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4115] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4114] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4114] ioctl(4, LOOP_CLR_FD [pid 4113] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 56.417505][ T4114] loop3: detected capacity change from 0 to 264192 [ 56.430871][ T4113] loop1: detected capacity change from 0 to 264192 [ 56.434107][ T4115] loop2: detected capacity change from 0 to 264192 [ 56.438434][ T4114] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4113] ioctl(4, LOOP_CLR_FD [pid 4115] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4115] ioctl(4, LOOP_CLR_FD [pid 4114] <... ioctl resumed>) = 0 [pid 4114] close(4 [pid 4113] <... ioctl resumed>) = 0 [pid 4113] close(4) = 0 [pid 4113] close(3) = 0 [pid 4113] close(3) = -1 EBADF (Bad file descriptor) [pid 4114] <... close resumed>) = 0 [pid 4113] close(4) = -1 EBADF (Bad file descriptor) [pid 4113] close(5 [pid 4114] close(3 [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] <... close resumed>) = 0 [pid 4113] close(6 [pid 4114] close(3 [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(7 [pid 4114] close(4 [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(8 [pid 4114] close(5 [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(9 [pid 4114] close(6 [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(10 [pid 4115] <... ioctl resumed>) = 0 [pid 4114] close(7 [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(4 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(11 [pid 4115] <... close resumed>) = 0 [pid 4114] close(8 [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(3 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(12 [pid 4115] <... close resumed>) = 0 [pid 4114] close(9 [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(3 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(13 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(10 [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 56.438903][ T4114] EXT4-fs (loop3): get root inode failed [ 56.438917][ T4114] EXT4-fs (loop3): mount failed [pid 4115] close(4 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(14 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(11 [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(5 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(15 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(12 [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(6 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(16 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(13 [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(7 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(17 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(14 [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(8 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(18 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(15 [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(9 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(19 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(16 [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(20) = -1 EBADF (Bad file descriptor) [pid 4113] close(21) = -1 EBADF (Bad file descriptor) [pid 4113] close(22) = -1 EBADF (Bad file descriptor) [pid 4115] close(10 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(23 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(17 [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(24) = -1 EBADF (Bad file descriptor) [pid 4115] close(11 [pid 4113] close(25 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(12 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] close(26 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(13 [pid 4113] close(27 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(14 [pid 4113] close(28 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(15 [pid 4113] close(29 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4113] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(16 [pid 4113] exit_group(0 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 56.448257][ T4113] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 56.448650][ T4113] EXT4-fs (loop1): get root inode failed [ 56.448662][ T4113] EXT4-fs (loop1): mount failed [pid 4113] <... exit_group resumed>) = ? [pid 4115] close(17 [pid 4114] close(18 [pid 4113] +++ exited with 0 +++ [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4115] close(18) = -1 EBADF (Bad file descriptor) [pid 4115] close(19) = -1 EBADF (Bad file descriptor) [pid 4115] close(20) = -1 EBADF (Bad file descriptor) [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(21 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 4115] close(22 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4115] close(23 [pid 4114] close(19 [pid 3627] close(3 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(24 [pid 3627] <... close resumed>) = 0 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4115] close(25) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 33 [pid 4115] close(26 [pid 4114] close(20 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(27 [pid 4114] close(21 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(28 [pid 4114] close(22 [pid 4115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4115] close(29./strace-static-x86_64: Process 4122 attached ) = -1 EBADF (Bad file descriptor) [pid 4122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4115] exit_group(0 [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... prctl resumed>) = 0 [pid 4115] <... exit_group resumed>) = ? [pid 4114] close(23 [pid 4122] setpgid(0, 0 [pid 4115] +++ exited with 0 +++ [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(24) = -1 EBADF (Bad file descriptor) [pid 4122] <... setpgid resumed>) = 0 [pid 4114] close(25 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(26 [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(27 [pid 3625] <... restart_syscall resumed>) = 0 [pid 4122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4114] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4114] close(28) = -1 EBADF (Bad file descriptor) [pid 4114] close(29) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4122] <... openat resumed>) = 3 [pid 4114] exit_group(0 [pid 4122] write(3, "1000", 4 [pid 4114] <... exit_group resumed>) = ? [pid 3625] <... openat resumed>) = 3 [pid 4122] <... write resumed>) = 4 [pid 4114] +++ exited with 0 +++ [pid 3625] ioctl(3, LOOP_CLR_FD [pid 4122] close(3 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=1, si_stime=2} --- [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4122] <... close resumed>) = 0 [pid 3625] close(3 [pid 4122] memfd_create("syzkaller", 0 [pid 3625] <... close resumed>) = 0 [pid 4122] <... memfd_create resumed>) = 3 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4122] ftruncate(3, 135266304) = 0 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 34 [pid 4122] 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 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4122] pwrite64(3, NULL, 0, 1248 [pid 3629] <... openat resumed>) = 3 [pid 4122] <... pwrite64 resumed>) = 0 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 4122] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4122] <... pwrite64 resumed>) = 9 [pid 3629] close(3 [pid 4122] pwrite64(3, NULL, 0, 1600 [pid 3629] <... close resumed>) = 0 [pid 4122] <... pwrite64 resumed>) = 0 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4122] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 37 ./strace-static-x86_64: Process 4123 attached [pid 4122] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4122] <... pwrite64 resumed>) = 8 [pid 4123] <... prctl resumed>) = 0 [pid 4122] pwrite64(3, NULL, 0, 26624./strace-static-x86_64: Process 4124 attached [pid 4123] setpgid(0, 0 [pid 4122] <... pwrite64 resumed>) = 0 [ 56.463084][ T4115] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 56.463760][ T4115] EXT4-fs (loop2): get root inode failed [ 56.463773][ T4115] EXT4-fs (loop2): mount failed [pid 4124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4123] <... setpgid resumed>) = 0 [pid 4122] pwrite64(3, NULL, 0, 36864 [pid 4123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4122] <... pwrite64 resumed>) = 0 [pid 4123] <... openat resumed>) = 3 [pid 4122] pwrite64(3, NULL, 0, 4194300 [pid 4123] write(3, "1000", 4 [pid 4122] <... pwrite64 resumed>) = 0 [pid 4123] <... write resumed>) = 4 [pid 4122] pwrite64(3, NULL, 0, 69888 [pid 4123] close(3 [pid 4122] <... pwrite64 resumed>) = 0 [pid 4123] <... close resumed>) = 0 [pid 4122] pwrite64(3, NULL, 0, 71040 [pid 4123] memfd_create("syzkaller", 0 [pid 4122] <... pwrite64 resumed>) = 0 [pid 4123] <... memfd_create resumed>) = 3 [pid 4122] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4123] ftruncate(3, 135266304 [pid 4122] <... openat resumed>) = 4 [pid 4123] <... ftruncate resumed>) = 0 [pid 4122] ioctl(4, LOOP_SET_FD, 3 [pid 4123] 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 [pid 4122] <... ioctl resumed>) = 0 [pid 4123] <... pwrite64 resumed>) = 102 [pid 4122] mkdir("./file0", 0777 [pid 4123] pwrite64(3, NULL, 0, 1248 [pid 4122] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4123] <... pwrite64 resumed>) = 0 [pid 4122] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4123] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4123] pwrite64(3, NULL, 0, 1600) = 0 [pid 4123] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4123] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4123] pwrite64(3, NULL, 0, 26624) = 0 [pid 4123] pwrite64(3, NULL, 0, 36864) = 0 [pid 4123] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4123] pwrite64(3, NULL, 0, 69888) = 0 [pid 4124] <... prctl resumed>) = 0 [pid 4123] pwrite64(3, NULL, 0, 71040 [pid 4124] setpgid(0, 0 [pid 4123] <... pwrite64 resumed>) = 0 [pid 4123] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4124] <... setpgid resumed>) = 0 [pid 4123] <... openat resumed>) = 4 [pid 4123] ioctl(4, LOOP_SET_FD, 3 [pid 4124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4123] <... ioctl resumed>) = 0 [pid 4123] mkdir("./file0", 0777 [pid 4124] <... openat resumed>) = 3 [pid 4123] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4124] write(3, "1000", 4 [pid 4123] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4124] <... write resumed>) = 4 [pid 4124] close(3) = 0 [pid 4124] memfd_create("syzkaller", 0) = 3 [pid 4122] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4124] ftruncate(3, 135266304 [pid 4122] ioctl(4, LOOP_CLR_FD [pid 4124] <... ftruncate resumed>) = 0 [pid 4124] 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 4124] pwrite64(3, NULL, 0, 1248) = 0 [ 56.619110][ T4122] loop1: detected capacity change from 0 to 264192 [ 56.632578][ T4123] loop2: detected capacity change from 0 to 264192 [ 56.646346][ T4122] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4124] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4123] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4124] pwrite64(3, NULL, 0, 1600 [pid 4123] ioctl(4, LOOP_CLR_FD [pid 4124] <... pwrite64 resumed>) = 0 [pid 4124] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4124] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4124] pwrite64(3, NULL, 0, 26624) = 0 [pid 4124] pwrite64(3, NULL, 0, 36864) = 0 [pid 4124] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4124] pwrite64(3, NULL, 0, 69888) = 0 [pid 4124] pwrite64(3, NULL, 0, 71040) = 0 [pid 4124] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 4124] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4124] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4124] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4122] <... ioctl resumed>) = 0 [pid 4122] close(4 [pid 4123] <... ioctl resumed>) = 0 [pid 4122] <... close resumed>) = 0 [pid 4122] close(3) = 0 [pid 4122] close(3) = -1 EBADF (Bad file descriptor) [pid 4122] close(4) = -1 EBADF (Bad file descriptor) [pid 4122] close(5) = -1 EBADF (Bad file descriptor) [pid 4122] close(6) = -1 EBADF (Bad file descriptor) [pid 4122] close(7) = -1 EBADF (Bad file descriptor) [pid 4123] close(4 [pid 4122] close(8 [pid 4123] <... close resumed>) = 0 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(3 [pid 4122] close(9 [pid 4123] <... close resumed>) = 0 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(3 [pid 4122] close(10 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(4 [pid 4122] close(11 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4123] close(5 [pid 4122] close(12 [pid 4124] ioctl(4, LOOP_CLR_FD [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(6 [pid 4122] close(13 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 56.646880][ T4122] EXT4-fs (loop1): get root inode failed [ 56.646894][ T4122] EXT4-fs (loop1): mount failed [ 56.667476][ T4123] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 56.667921][ T4123] EXT4-fs (loop2): get root inode failed [ 56.667934][ T4123] EXT4-fs (loop2): mount failed [ 56.692562][ T4124] loop3: detected capacity change from 0 to 264192 [pid 4122] close(14) = -1 EBADF (Bad file descriptor) [pid 4122] close(15) = -1 EBADF (Bad file descriptor) [pid 4122] close(16) = -1 EBADF (Bad file descriptor) [pid 4122] close(17) = -1 EBADF (Bad file descriptor) [pid 4122] close(18) = -1 EBADF (Bad file descriptor) [pid 4122] close(19) = -1 EBADF (Bad file descriptor) [pid 4122] close(20) = -1 EBADF (Bad file descriptor) [pid 4123] close(7 [pid 4122] close(21 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(8 [pid 4122] close(22 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(9 [pid 4122] close(23) = -1 EBADF (Bad file descriptor) [pid 4122] close(24) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] close(25 [pid 4123] close(10 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] close(26 [pid 4123] close(11 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] close(27) = -1 EBADF (Bad file descriptor) [pid 4122] close(28) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] close(29 [pid 4123] close(12 [pid 4122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... ioctl resumed>) = 0 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] exit_group(0 [pid 4124] close(4 [pid 4123] close(13 [pid 4122] <... exit_group resumed>) = ? [pid 4124] <... close resumed>) = 0 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4122] +++ exited with 0 +++ [pid 4124] close(3 [pid 4123] close(14 [pid 4124] <... close resumed>) = 0 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4124] close(3 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 4124] close(4 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(15 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4124] close(5 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(3 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(16 [pid 3627] <... close resumed>) = 0 [pid 4124] close(6 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(17 [pid 4124] close(7 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 34 ./strace-static-x86_64: Process 4131 attached [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 56.741135][ T4124] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 56.741581][ T4124] EXT4-fs (loop3): get root inode failed [pid 4123] close(18 [pid 4124] close(8 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(19 [pid 4131] <... prctl resumed>) = 0 [pid 4124] close(9 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] setpgid(0, 0 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(20 [pid 4131] <... setpgid resumed>) = 0 [pid 4124] close(10 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(21 [pid 4131] <... openat resumed>) = 3 [pid 4124] close(11 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] write(3, "1000", 4 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(22 [pid 4131] <... write resumed>) = 4 [pid 4124] close(12 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(3 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] close(23 [pid 4124] close(13) = -1 EBADF (Bad file descriptor) [pid 4124] close(14) = -1 EBADF (Bad file descriptor) [pid 4124] close(15) = -1 EBADF (Bad file descriptor) [pid 4131] <... close resumed>) = 0 [pid 4124] close(16 [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] memfd_create("syzkaller", 0 [pid 4124] close(17 [pid 4123] close(24 [pid 4131] <... memfd_create resumed>) = 3 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] ftruncate(3, 135266304 [pid 4124] close(18 [pid 4123] close(25 [pid 4131] <... ftruncate resumed>) = 0 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] 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 [pid 4124] close(19 [pid 4123] close(26 [pid 4131] <... pwrite64 resumed>) = 102 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] pwrite64(3, NULL, 0, 1248 [pid 4124] close(20 [pid 4123] close(27 [pid 4131] <... pwrite64 resumed>) = 0 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4124] close(21 [pid 4123] close(28 [pid 4131] <... pwrite64 resumed>) = 9 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] pwrite64(3, NULL, 0, 1600 [pid 4124] close(22 [pid 4123] close(29 [pid 4131] <... pwrite64 resumed>) = 0 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4124] close(23 [pid 4123] exit_group(0 [pid 4131] <... pwrite64 resumed>) = 9 [pid 4123] <... exit_group resumed>) = ? [pid 4131] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4123] +++ exited with 0 +++ [pid 4131] <... pwrite64 resumed>) = 8 [pid 4124] close(24 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 56.741595][ T4124] EXT4-fs (loop3): mount failed [pid 4131] pwrite64(3, NULL, 0, 26624 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] <... pwrite64 resumed>) = 0 [pid 4124] close(25 [pid 4131] pwrite64(3, NULL, 0, 36864) = 0 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] pwrite64(3, NULL, 0, 4194300 [pid 4124] close(26 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4131] <... pwrite64 resumed>) = 0 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] pwrite64(3, NULL, 0, 69888) = 0 [pid 4124] close(27 [pid 3625] <... openat resumed>) = 3 [pid 4131] pwrite64(3, NULL, 0, 71040 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] ioctl(3, LOOP_CLR_FD [pid 4131] <... pwrite64 resumed>) = 0 [pid 4124] close(28 [pid 4131] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4131] <... openat resumed>) = 4 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] close(3 [pid 4131] ioctl(4, LOOP_SET_FD, 3 [pid 4124] close(29 [pid 4131] <... ioctl resumed>) = 0 [pid 4124] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 4124] exit_group(0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4124] <... exit_group resumed>) = ? [pid 4124] +++ exited with 0 +++ [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 35 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4131] mkdir("./file0", 0777) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 4132 attached [pid 4131] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4132] setpgid(0, 0) = 0 [pid 4132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4132] <... openat resumed>) = 3 [pid 4132] write(3, "1000", 4 [pid 3629] <... openat resumed>) = 3 [pid 4132] <... write resumed>) = 4 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 4132] close(3) = 0 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4132] memfd_create("syzkaller", 0 [pid 3629] close(3 [pid 4132] <... memfd_create resumed>) = 3 [pid 3629] <... close resumed>) = 0 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 38 [pid 4132] ftruncate(3, 135266304./strace-static-x86_64: Process 4133 attached ) = 0 [pid 4133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4132] 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 [pid 4133] <... prctl resumed>) = 0 [pid 4132] <... pwrite64 resumed>) = 102 [pid 4133] setpgid(0, 0 [pid 4132] pwrite64(3, NULL, 0, 1248 [pid 4133] <... setpgid resumed>) = 0 [pid 4132] <... pwrite64 resumed>) = 0 [pid 4133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4132] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4133] <... openat resumed>) = 3 [pid 4132] <... pwrite64 resumed>) = 9 [pid 4133] write(3, "1000", 4 [pid 4132] pwrite64(3, NULL, 0, 1600 [pid 4133] <... write resumed>) = 4 [pid 4132] <... pwrite64 resumed>) = 0 [pid 4133] close(3 [pid 4132] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4133] <... close resumed>) = 0 [pid 4132] <... pwrite64 resumed>) = 9 [pid 4132] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4132] pwrite64(3, NULL, 0, 26624) = 0 [pid 4132] pwrite64(3, NULL, 0, 36864) = 0 [pid 4132] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4132] pwrite64(3, NULL, 0, 69888) = 0 [pid 4132] pwrite64(3, NULL, 0, 71040) = 0 [pid 4132] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 4132] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4132] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4132] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4133] memfd_create("syzkaller", 0) = 3 [pid 4133] ftruncate(3, 135266304) = 0 [pid 4133] 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 4133] pwrite64(3, NULL, 0, 1248) = 0 [pid 4133] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4131] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4133] pwrite64(3, NULL, 0, 1600 [pid 4131] ioctl(4, LOOP_CLR_FD [pid 4133] <... pwrite64 resumed>) = 0 [ 56.851654][ T4131] loop1: detected capacity change from 0 to 264192 [pid 4133] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4133] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4133] pwrite64(3, NULL, 0, 26624) = 0 [pid 4133] pwrite64(3, NULL, 0, 36864) = 0 [pid 4133] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4133] pwrite64(3, NULL, 0, 69888) = 0 [pid 4133] pwrite64(3, NULL, 0, 71040) = 0 [pid 4133] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 4133] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4133] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4133] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4132] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4132] ioctl(4, LOOP_CLR_FD [pid 4133] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 56.900000][ T4132] loop2: detected capacity change from 0 to 264192 [ 56.900667][ T4131] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 56.901111][ T4131] EXT4-fs (loop1): get root inode failed [ 56.901125][ T4131] EXT4-fs (loop1): mount failed [ 56.916674][ T4133] loop3: detected capacity change from 0 to 264192 [pid 4133] ioctl(4, LOOP_CLR_FD [pid 4131] <... ioctl resumed>) = 0 [pid 4132] <... ioctl resumed>) = 0 [pid 4131] close(4 [pid 4132] close(4 [pid 4131] <... close resumed>) = 0 [pid 4132] <... close resumed>) = 0 [pid 4131] close(3 [pid 4133] <... ioctl resumed>) = 0 [pid 4132] close(3 [pid 4131] <... close resumed>) = 0 [pid 4132] <... close resumed>) = 0 [pid 4131] close(3 [pid 4132] close(3 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(4 [pid 4132] close(4 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(5 [pid 4132] close(5 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(6 [pid 4132] close(6 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] close(4 [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(7 [pid 4133] <... close resumed>) = 0 [pid 4132] close(7 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] close(3 [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(8 [pid 4133] <... close resumed>) = 0 [pid 4132] close(8 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] close(3 [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(9 [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] close(9 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] close(4 [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(10 [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] close(10 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] close(5 [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(11 [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] close(11 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] close(6) = -1 EBADF (Bad file descriptor) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(12 [pid 4133] close(7 [pid 4132] close(12 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(13 [pid 4133] close(8 [pid 4132] close(13 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(14 [pid 4133] close(9 [pid 4132] close(14 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(15 [pid 4133] close(10 [pid 4132] close(15 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(16 [pid 4133] close(11 [pid 4132] close(16 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(17 [pid 4133] close(12 [pid 4132] close(17 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(18 [pid 4133] close(13) = -1 EBADF (Bad file descriptor) [pid 4132] close(18 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] close(14 [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(19 [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] close(19 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] close(15 [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(20 [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] close(20 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] close(16 [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(21 [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] close(17 [pid 4132] close(21 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(22 [pid 4133] close(18 [pid 4132] close(22 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] close(23 [pid 4133] close(19 [pid 4132] close(23 [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 56.930174][ T4132] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 56.930581][ T4132] EXT4-fs (loop2): get root inode failed [ 56.930594][ T4132] EXT4-fs (loop2): mount failed [ 56.939384][ T4133] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4133] close(20 [pid 4132] close(24 [pid 4131] close(24 [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] close(21 [pid 4132] close(25 [pid 4131] close(25 [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] close(22 [pid 4132] close(26 [pid 4131] close(26 [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] close(23) = -1 EBADF (Bad file descriptor) [pid 4132] close(27 [pid 4131] close(27 [pid 4133] close(24 [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] close(28 [pid 4131] close(28 [pid 4133] close(25 [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4133] close(26) = -1 EBADF (Bad file descriptor) [pid 4133] close(27) = -1 EBADF (Bad file descriptor) [pid 4133] close(28) = -1 EBADF (Bad file descriptor) [pid 4133] close(29) = -1 EBADF (Bad file descriptor) [pid 4133] exit_group(0) = ? [pid 4132] close(29 [pid 4131] close(29 [pid 4133] +++ exited with 0 +++ [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3629] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3629] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3629] close(3) = 0 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4132] exit_group(0 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 39 [pid 4132] <... exit_group resumed>) = ? [pid 4131] exit_group(0 [pid 4132] +++ exited with 0 +++ [pid 4131] <... exit_group resumed>) = ? [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4131] +++ exited with 0 +++ [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] <... openat resumed>) = 3 [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3627] <... restart_syscall resumed>) = 0 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3625] close(3) = 0 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] <... openat resumed>) = 3 ./strace-static-x86_64: Process 4140 attached [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 36 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3627] close(3) = 0 [pid 4140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4140] <... prctl resumed>) = 0 [pid 4140] setpgid(0, 0 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 35 ./strace-static-x86_64: Process 4142 attached [pid 4140] <... setpgid resumed>) = 0 [pid 4140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 4141 attached [pid 4142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4140] <... openat resumed>) = 3 [pid 4142] <... prctl resumed>) = 0 [pid 4141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4140] write(3, "1000", 4 [pid 4142] setpgid(0, 0 [pid 4141] <... prctl resumed>) = 0 [pid 4140] <... write resumed>) = 4 [pid 4142] <... setpgid resumed>) = 0 [pid 4141] setpgid(0, 0 [pid 4140] close(3 [pid 4141] <... setpgid resumed>) = 0 [pid 4140] <... close resumed>) = 0 [pid 4142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 56.940250][ T4133] EXT4-fs (loop3): get root inode failed [ 56.940263][ T4133] EXT4-fs (loop3): mount failed [pid 4141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4140] memfd_create("syzkaller", 0 [pid 4142] <... openat resumed>) = 3 [pid 4141] <... openat resumed>) = 3 [pid 4140] <... memfd_create resumed>) = 3 [pid 4142] write(3, "1000", 4 [pid 4141] write(3, "1000", 4 [pid 4140] ftruncate(3, 135266304 [pid 4141] <... write resumed>) = 4 [pid 4142] <... write resumed>) = 4 [pid 4141] close(3 [pid 4140] <... ftruncate resumed>) = 0 [pid 4141] <... close resumed>) = 0 [pid 4142] close(3 [pid 4141] memfd_create("syzkaller", 0 [pid 4140] 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 [pid 4142] <... close resumed>) = 0 [pid 4141] <... memfd_create resumed>) = 3 [pid 4140] <... pwrite64 resumed>) = 102 [pid 4141] ftruncate(3, 135266304 [pid 4142] memfd_create("syzkaller", 0 [pid 4141] <... ftruncate resumed>) = 0 [pid 4140] pwrite64(3, NULL, 0, 1248 [pid 4142] <... memfd_create resumed>) = 3 [pid 4141] 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 [pid 4140] <... pwrite64 resumed>) = 0 [pid 4142] ftruncate(3, 135266304 [pid 4141] <... pwrite64 resumed>) = 102 [pid 4140] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4142] <... ftruncate resumed>) = 0 [pid 4141] pwrite64(3, NULL, 0, 1248 [pid 4140] <... pwrite64 resumed>) = 9 [pid 4142] 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 [pid 4141] <... pwrite64 resumed>) = 0 [pid 4140] pwrite64(3, NULL, 0, 1600 [pid 4142] <... pwrite64 resumed>) = 102 [pid 4141] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4140] <... pwrite64 resumed>) = 0 [pid 4142] pwrite64(3, NULL, 0, 1248 [pid 4141] <... pwrite64 resumed>) = 9 [pid 4140] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4142] <... pwrite64 resumed>) = 0 [pid 4141] pwrite64(3, NULL, 0, 1600 [pid 4140] <... pwrite64 resumed>) = 9 [pid 4142] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4141] <... pwrite64 resumed>) = 0 [pid 4140] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4142] <... pwrite64 resumed>) = 9 [pid 4141] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4140] <... pwrite64 resumed>) = 8 [pid 4142] pwrite64(3, NULL, 0, 1600 [pid 4141] <... pwrite64 resumed>) = 9 [pid 4140] pwrite64(3, NULL, 0, 26624 [pid 4142] <... pwrite64 resumed>) = 0 [pid 4141] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4140] <... pwrite64 resumed>) = 0 [pid 4142] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4141] <... pwrite64 resumed>) = 8 [pid 4140] pwrite64(3, NULL, 0, 36864 [pid 4142] <... pwrite64 resumed>) = 9 [pid 4141] pwrite64(3, NULL, 0, 26624 [pid 4140] <... pwrite64 resumed>) = 0 [pid 4142] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4141] <... pwrite64 resumed>) = 0 [pid 4140] pwrite64(3, NULL, 0, 4194300 [pid 4142] <... pwrite64 resumed>) = 8 [pid 4140] <... pwrite64 resumed>) = 0 [pid 4141] pwrite64(3, NULL, 0, 36864 [pid 4142] pwrite64(3, NULL, 0, 26624 [pid 4140] pwrite64(3, NULL, 0, 69888 [pid 4142] <... pwrite64 resumed>) = 0 [pid 4141] <... pwrite64 resumed>) = 0 [pid 4140] <... pwrite64 resumed>) = 0 [pid 4142] pwrite64(3, NULL, 0, 36864 [pid 4141] pwrite64(3, NULL, 0, 4194300 [pid 4140] pwrite64(3, NULL, 0, 71040 [pid 4142] <... pwrite64 resumed>) = 0 [pid 4141] <... pwrite64 resumed>) = 0 [pid 4140] <... pwrite64 resumed>) = 0 [pid 4142] pwrite64(3, NULL, 0, 4194300 [pid 4141] pwrite64(3, NULL, 0, 69888 [pid 4140] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4142] <... pwrite64 resumed>) = 0 [pid 4141] <... pwrite64 resumed>) = 0 [pid 4140] <... openat resumed>) = 4 [pid 4142] pwrite64(3, NULL, 0, 69888 [pid 4141] pwrite64(3, NULL, 0, 71040 [pid 4140] ioctl(4, LOOP_SET_FD, 3 [pid 4142] <... pwrite64 resumed>) = 0 [pid 4141] <... pwrite64 resumed>) = 0 [pid 4140] <... ioctl resumed>) = 0 [pid 4142] pwrite64(3, NULL, 0, 71040 [pid 4141] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4140] mkdir("./file0", 0777 [pid 4142] <... pwrite64 resumed>) = 0 [pid 4141] <... openat resumed>) = 4 [pid 4140] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4142] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4141] ioctl(4, LOOP_SET_FD, 3 [pid 4140] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4142] <... openat resumed>) = 4 [pid 4141] <... ioctl resumed>) = 0 [pid 4142] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4142] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4142] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4141] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4141] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4142] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4142] ioctl(4, LOOP_CLR_FD [pid 4140] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4140] ioctl(4, LOOP_CLR_FD [pid 4141] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 57.115194][ T4140] loop3: detected capacity change from 0 to 264192 [ 57.117518][ T4141] loop2: detected capacity change from 0 to 264192 [ 57.121381][ T4142] loop1: detected capacity change from 0 to 264192 [ 57.135552][ T4140] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 57.135892][ T4142] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4141] ioctl(4, LOOP_CLR_FD [pid 4142] <... ioctl resumed>) = 0 [pid 4140] <... ioctl resumed>) = 0 [pid 4142] close(4) = 0 [pid 4142] close(3) = 0 [pid 4142] close(3) = -1 EBADF (Bad file descriptor) [pid 4142] close(4) = -1 EBADF (Bad file descriptor) [pid 4142] close(5) = -1 EBADF (Bad file descriptor) [pid 4142] close(6) = -1 EBADF (Bad file descriptor) [pid 4142] close(7) = -1 EBADF (Bad file descriptor) [pid 4142] close(8) = -1 EBADF (Bad file descriptor) [pid 4142] close(9) = -1 EBADF (Bad file descriptor) [pid 4142] close(10) = -1 EBADF (Bad file descriptor) [pid 4142] close(11) = -1 EBADF (Bad file descriptor) [pid 4142] close(12) = -1 EBADF (Bad file descriptor) [pid 4142] close(13) = -1 EBADF (Bad file descriptor) [pid 4142] close(14) = -1 EBADF (Bad file descriptor) [pid 4142] close(15) = -1 EBADF (Bad file descriptor) [pid 4142] close(16) = -1 EBADF (Bad file descriptor) [pid 4142] close(17) = -1 EBADF (Bad file descriptor) [pid 4142] close(18) = -1 EBADF (Bad file descriptor) [pid 4142] close(19) = -1 EBADF (Bad file descriptor) [pid 4142] close(20) = -1 EBADF (Bad file descriptor) [pid 4142] close(21) = -1 EBADF (Bad file descriptor) [pid 4141] <... ioctl resumed>) = 0 [pid 4142] close(22) = -1 EBADF (Bad file descriptor) [pid 4142] close(23) = -1 EBADF (Bad file descriptor) [pid 4142] close(24) = -1 EBADF (Bad file descriptor) [pid 4142] close(25) = -1 EBADF (Bad file descriptor) [pid 4142] close(26) = -1 EBADF (Bad file descriptor) [pid 4142] close(27) = -1 EBADF (Bad file descriptor) [pid 4142] close(28) = -1 EBADF (Bad file descriptor) [pid 4142] close(29) = -1 EBADF (Bad file descriptor) [pid 4142] exit_group(0) = ? [pid 4142] +++ exited with 0 +++ [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4141] close(4 [pid 4140] close(4 [pid 4141] <... close resumed>) = 0 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4141] close(3 [pid 4140] <... close resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 4140] close(3 [pid 4141] <... close resumed>) = 0 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4140] <... close resumed>) = 0 [pid 4141] close(3 [pid 4140] close(3 [pid 3627] close(3 [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 4141] close(4 [pid 4140] close(4 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(5 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 36 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4141] close(5 [pid 4140] close(6 [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4141] close(6 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(7 [pid 4141] close(7 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(8 [pid 4141] close(8 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(9 [pid 4141] close(9 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(10 [pid 4141] close(10 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(11./strace-static-x86_64: Process 4149 attached [pid 4141] close(11 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(12 [pid 4149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4141] close(12 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4149] <... prctl resumed>) = 0 [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(13 [pid 4149] setpgid(0, 0 [pid 4141] close(13 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 57.136235][ T4142] EXT4-fs (loop1): get root inode failed [ 57.136247][ T4142] EXT4-fs (loop1): mount failed [ 57.136505][ T4140] EXT4-fs (loop3): get root inode failed [ 57.136517][ T4140] EXT4-fs (loop3): mount failed [ 57.150014][ T4141] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 57.151303][ T4141] EXT4-fs (loop2): get root inode failed [ 57.151316][ T4141] EXT4-fs (loop2): mount failed [pid 4149] <... setpgid resumed>) = 0 [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(14 [pid 4149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4141] close(14 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(15 [pid 4149] <... openat resumed>) = 3 [pid 4141] close(15 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4149] write(3, "1000", 4 [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(16 [pid 4149] <... write resumed>) = 4 [pid 4141] close(16 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4149] close(3 [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(17 [pid 4149] <... close resumed>) = 0 [pid 4141] close(17 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4149] memfd_create("syzkaller", 0) = 3 [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(18 [pid 4149] ftruncate(3, 135266304 [pid 4141] close(18 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4149] <... ftruncate resumed>) = 0 [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(19 [pid 4149] 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 [pid 4141] close(19 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4149] <... pwrite64 resumed>) = 102 [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(20 [pid 4149] pwrite64(3, NULL, 0, 1248 [pid 4141] close(20 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(21 [pid 4149] <... pwrite64 resumed>) = 0 [pid 4141] close(21 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4149] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(22 [pid 4149] <... pwrite64 resumed>) = 9 [pid 4141] close(22 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4149] pwrite64(3, NULL, 0, 1600 [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(23 [pid 4149] <... pwrite64 resumed>) = 0 [pid 4141] close(23 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4149] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(24 [pid 4149] <... pwrite64 resumed>) = 9 [pid 4149] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4149] pwrite64(3, NULL, 0, 26624) = 0 [pid 4149] pwrite64(3, NULL, 0, 36864) = 0 [pid 4149] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4149] pwrite64(3, NULL, 0, 69888) = 0 [pid 4149] pwrite64(3, NULL, 0, 71040) = 0 [pid 4149] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 4149] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4141] close(24 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4149] mkdir("./file0", 0777 [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(25 [pid 4149] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4141] close(25 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4149] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(26 [pid 4141] close(26 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(27 [pid 4141] close(27 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(28 [pid 4141] close(28 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] close(29 [pid 4141] close(29 [pid 4140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4141] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4140] exit_group(0 [pid 4141] exit_group(0 [pid 4140] <... exit_group resumed>) = ? [pid 4141] <... exit_group resumed>) = ? [pid 4140] +++ exited with 0 +++ [pid 4141] +++ exited with 0 +++ [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3629] restart_syscall(<... resuming interrupted clone ...> [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3629] <... restart_syscall resumed>) = 0 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3625] <... openat resumed>) = 3 [pid 3629] <... openat resumed>) = 3 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3625] close(3 [pid 3629] close(3 [pid 3625] <... close resumed>) = 0 [pid 3629] <... close resumed>) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 37 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 40 ./strace-static-x86_64: Process 4153 attached [ 57.286655][ T4149] loop1: detected capacity change from 0 to 264192 ./strace-static-x86_64: Process 4152 attached [pid 4149] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4149] ioctl(4, LOOP_CLR_FD [pid 4153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4153] setpgid(0, 0) = 0 [pid 4153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4153] write(3, "1000", 4) = 4 [pid 4153] close(3) = 0 [pid 4153] memfd_create("syzkaller", 0) = 3 [pid 4153] ftruncate(3, 135266304) = 0 [pid 4153] 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 4153] pwrite64(3, NULL, 0, 1248) = 0 [pid 4153] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4153] pwrite64(3, NULL, 0, 1600) = 0 [pid 4153] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4153] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4153] pwrite64(3, NULL, 0, 26624) = 0 [pid 4153] pwrite64(3, NULL, 0, 36864) = 0 [pid 4153] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4153] pwrite64(3, NULL, 0, 69888) = 0 [pid 4153] pwrite64(3, NULL, 0, 71040) = 0 [pid 4153] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 4153] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4153] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4153] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4152] setpgid(0, 0) = 0 [pid 4152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4152] write(3, "1000", 4) = 4 [pid 4152] close(3) = 0 [pid 4152] memfd_create("syzkaller", 0) = 3 [pid 4152] ftruncate(3, 135266304) = 0 [pid 4152] 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 4152] pwrite64(3, NULL, 0, 1248) = 0 [pid 4152] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4152] pwrite64(3, NULL, 0, 1600) = 0 [pid 4152] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4152] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4152] pwrite64(3, NULL, 0, 26624) = 0 [pid 4152] pwrite64(3, NULL, 0, 36864) = 0 [pid 4152] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4152] pwrite64(3, NULL, 0, 69888 [pid 4149] <... ioctl resumed>) = 0 [pid 4152] <... pwrite64 resumed>) = 0 [pid 4149] close(4 [pid 4152] pwrite64(3, NULL, 0, 71040) = 0 [pid 4149] <... close resumed>) = 0 [pid 4152] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4149] close(3 [pid 4152] <... openat resumed>) = 4 [pid 4152] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4152] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4153] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4152] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4149] <... close resumed>) = 0 [pid 4153] ioctl(4, LOOP_CLR_FD [pid 4149] close(3) = -1 EBADF (Bad file descriptor) [pid 4149] close(4) = -1 EBADF (Bad file descriptor) [pid 4149] close(5) = -1 EBADF (Bad file descriptor) [pid 4149] close(6) = -1 EBADF (Bad file descriptor) [pid 4149] close(7) = -1 EBADF (Bad file descriptor) [pid 4149] close(8) = -1 EBADF (Bad file descriptor) [ 57.324058][ T4149] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 57.324639][ T4149] EXT4-fs (loop1): get root inode failed [ 57.324652][ T4149] EXT4-fs (loop1): mount failed [ 57.343812][ T4153] loop3: detected capacity change from 0 to 264192 [pid 4149] close(9) = -1 EBADF (Bad file descriptor) [pid 4149] close(10) = -1 EBADF (Bad file descriptor) [pid 4149] close(11) = -1 EBADF (Bad file descriptor) [pid 4149] close(12) = -1 EBADF (Bad file descriptor) [pid 4149] close(13) = -1 EBADF (Bad file descriptor) [pid 4149] close(14) = -1 EBADF (Bad file descriptor) [pid 4149] close(15) = -1 EBADF (Bad file descriptor) [pid 4149] close(16) = -1 EBADF (Bad file descriptor) [pid 4149] close(17) = -1 EBADF (Bad file descriptor) [pid 4149] close(18) = -1 EBADF (Bad file descriptor) [pid 4149] close(19) = -1 EBADF (Bad file descriptor) [pid 4149] close(20) = -1 EBADF (Bad file descriptor) [pid 4149] close(21) = -1 EBADF (Bad file descriptor) [pid 4149] close(22) = -1 EBADF (Bad file descriptor) [pid 4149] close(23) = -1 EBADF (Bad file descriptor) [pid 4149] close(24) = -1 EBADF (Bad file descriptor) [pid 4149] close(25) = -1 EBADF (Bad file descriptor) [pid 4149] close(26) = -1 EBADF (Bad file descriptor) [pid 4149] close(27) = -1 EBADF (Bad file descriptor) [pid 4149] close(28) = -1 EBADF (Bad file descriptor) [pid 4149] close(29) = -1 EBADF (Bad file descriptor) [pid 4149] exit_group(0) = ? [pid 4149] +++ exited with 0 +++ [pid 4152] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4152] ioctl(4, LOOP_CLR_FD [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3627] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3627] close(3 [pid 4153] <... ioctl resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 4153] close(4 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4153] <... close resumed>) = 0 [pid 4153] close(3 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 37 [pid 4153] <... close resumed>) = 0 [pid 4153] close(3) = -1 EBADF (Bad file descriptor) [pid 4153] close(4) = -1 EBADF (Bad file descriptor) [pid 4153] close(5) = -1 EBADF (Bad file descriptor) [pid 4153] close(6) = -1 EBADF (Bad file descriptor) [pid 4153] close(7) = -1 EBADF (Bad file descriptor) [pid 4153] close(8) = -1 EBADF (Bad file descriptor) [pid 4153] close(9) = -1 EBADF (Bad file descriptor) [pid 4153] close(10) = -1 EBADF (Bad file descriptor) [ 57.377730][ T4153] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 57.378216][ T4153] EXT4-fs (loop3): get root inode failed [ 57.378230][ T4153] EXT4-fs (loop3): mount failed [ 57.379127][ T4152] loop2: detected capacity change from 0 to 264192 [ 57.406157][ T4152] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4153] close(11./strace-static-x86_64: Process 4158 attached ) = -1 EBADF (Bad file descriptor) [pid 4152] <... ioctl resumed>) = 0 [pid 4158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4153] close(12 [pid 4152] close(4 [pid 4158] <... prctl resumed>) = 0 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] <... close resumed>) = 0 [pid 4158] setpgid(0, 0 [pid 4153] close(13 [pid 4152] close(3 [pid 4158] <... setpgid resumed>) = 0 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] <... close resumed>) = 0 [pid 4158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4153] close(14 [pid 4152] close(3 [pid 4158] <... openat resumed>) = 3 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] write(3, "1000", 4 [pid 4153] close(15 [pid 4152] close(4 [pid 4158] <... write resumed>) = 4 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] close(3 [pid 4153] close(16 [pid 4152] close(5 [pid 4158] <... close resumed>) = 0 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] memfd_create("syzkaller", 0 [pid 4153] close(17 [pid 4152] close(6 [pid 4158] <... memfd_create resumed>) = 3 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] ftruncate(3, 135266304 [pid 4153] close(18 [pid 4152] close(7 [pid 4158] <... ftruncate resumed>) = 0 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] 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 [pid 4153] close(19 [pid 4152] close(8 [pid 4158] <... pwrite64 resumed>) = 102 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] pwrite64(3, NULL, 0, 1248 [pid 4153] close(20 [pid 4152] close(9 [pid 4158] <... pwrite64 resumed>) = 0 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4153] close(21 [pid 4152] close(10 [pid 4158] <... pwrite64 resumed>) = 9 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] pwrite64(3, NULL, 0, 1600 [pid 4153] close(22 [pid 4152] close(11 [pid 4158] <... pwrite64 resumed>) = 0 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4153] close(23 [pid 4152] close(12 [pid 4158] <... pwrite64 resumed>) = 9 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4153] close(24 [pid 4152] close(13 [pid 4158] <... pwrite64 resumed>) = 8 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] pwrite64(3, NULL, 0, 26624 [pid 4153] close(25 [pid 4152] close(14 [pid 4158] <... pwrite64 resumed>) = 0 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] pwrite64(3, NULL, 0, 36864 [pid 4153] close(26 [pid 4158] <... pwrite64 resumed>) = 0 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] close(15 [pid 4158] pwrite64(3, NULL, 0, 4194300 [pid 4153] close(27 [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... pwrite64 resumed>) = 0 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] close(16 [pid 4158] pwrite64(3, NULL, 0, 69888 [pid 4153] close(28 [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... pwrite64 resumed>) = 0 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] close(17 [pid 4158] pwrite64(3, NULL, 0, 71040 [pid 4153] close(29 [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... pwrite64 resumed>) = 0 [pid 4153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] close(18 [pid 4158] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4153] exit_group(0 [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... openat resumed>) = 4 [pid 4153] <... exit_group resumed>) = ? [pid 4152] close(19 [pid 4158] ioctl(4, LOOP_SET_FD, 3 [pid 4153] +++ exited with 0 +++ [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... ioctl resumed>) = 0 [pid 4152] close(20 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [ 57.406628][ T4152] EXT4-fs (loop2): get root inode failed [ 57.406642][ T4152] EXT4-fs (loop2): mount failed [pid 4158] mkdir("./file0", 0777 [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4152] close(21 [pid 4158] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] close(22) = -1 EBADF (Bad file descriptor) [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4152] close(23 [pid 3629] <... openat resumed>) = 3 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4152] close(24 [pid 3629] close(3 [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... close resumed>) = 0 [pid 4152] close(25 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4159 attached [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] close(26 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 41 [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4152] close(27) = -1 EBADF (Bad file descriptor) [pid 4159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4152] close(28 [pid 4159] <... prctl resumed>) = 0 [pid 4152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] setpgid(0, 0 [pid 4152] close(29) = -1 EBADF (Bad file descriptor) [pid 4159] <... setpgid resumed>) = 0 [pid 4159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4159] write(3, "1000", 4) = 4 [pid 4159] close(3) = 0 [pid 4159] memfd_create("syzkaller", 0) = 3 [pid 4159] ftruncate(3, 135266304) = 0 [pid 4159] 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 4159] pwrite64(3, NULL, 0, 1248) = 0 [pid 4159] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4152] exit_group(0 [pid 4159] pwrite64(3, NULL, 0, 1600 [pid 4152] <... exit_group resumed>) = ? [pid 4159] <... pwrite64 resumed>) = 0 [pid 4159] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4159] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4159] pwrite64(3, NULL, 0, 26624) = 0 [pid 4158] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4152] +++ exited with 0 +++ [pid 4159] pwrite64(3, NULL, 0, 36864 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- [pid 4159] <... pwrite64 resumed>) = 0 [pid 4159] pwrite64(3, NULL, 0, 4194300) = 0 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4159] pwrite64(3, NULL, 0, 69888 [pid 3625] <... openat resumed>) = 3 [pid 4159] <... pwrite64 resumed>) = 0 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 4159] pwrite64(3, NULL, 0, 71040 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4159] <... pwrite64 resumed>) = 0 [ 57.503778][ T4158] loop1: detected capacity change from 0 to 264192 [ 57.529193][ T4158] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 57.544120][ T4158] EXT4-fs (loop1): get root inode failed [pid 4158] ioctl(4, LOOP_CLR_FD [pid 3625] close(3 [pid 4159] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3625] <... close resumed>) = 0 [pid 4159] <... openat resumed>) = 4 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4159] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 38 [pid 4159] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4159] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue"./strace-static-x86_64: Process 4162 attached [pid 4162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4162] setpgid(0, 0) = 0 [pid 4162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4162] write(3, "1000", 4) = 4 [pid 4162] close(3) = 0 [pid 4162] memfd_create("syzkaller", 0) = 3 [pid 4162] ftruncate(3, 135266304 [pid 4159] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4159] ioctl(4, LOOP_CLR_FD [pid 4162] <... ftruncate resumed>) = 0 [pid 4162] 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 4162] pwrite64(3, NULL, 0, 1248) = 0 [pid 4162] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4162] pwrite64(3, NULL, 0, 1600) = 0 [pid 4162] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4162] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4162] pwrite64(3, NULL, 0, 26624) = 0 [pid 4162] pwrite64(3, NULL, 0, 36864) = 0 [pid 4162] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4162] pwrite64(3, NULL, 0, 69888) = 0 [pid 4162] pwrite64(3, NULL, 0, 71040) = 0 [pid 4162] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 4162] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4162] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 57.544154][ T4158] EXT4-fs (loop1): mount failed [ 57.564051][ T4159] loop3: detected capacity change from 0 to 264192 [ 57.585328][ T4159] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 57.585833][ T4159] EXT4-fs (loop3): get root inode failed [pid 4162] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4158] <... ioctl resumed>) = 0 [pid 4158] close(4) = 0 [pid 4158] close(3) = 0 [pid 4158] close(3) = -1 EBADF (Bad file descriptor) [pid 4158] close(4) = -1 EBADF (Bad file descriptor) [pid 4158] close(5) = -1 EBADF (Bad file descriptor) [pid 4158] close(6) = -1 EBADF (Bad file descriptor) [pid 4158] close(7) = -1 EBADF (Bad file descriptor) [pid 4162] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4158] close(8 [pid 4162] ioctl(4, LOOP_CLR_FD [pid 4159] <... ioctl resumed>) = 0 [ 57.585848][ T4159] EXT4-fs (loop3): mount failed [ 57.597638][ T4162] loop2: detected capacity change from 0 to 264192 [ 57.626225][ T4162] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 57.626787][ T4162] EXT4-fs (loop2): get root inode failed [pid 4159] close(4 [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = 0 [pid 4158] close(9 [pid 4159] close(3 [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = 0 [pid 4158] close(10 [pid 4159] close(3 [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] close(11 [pid 4159] close(4 [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(5 [pid 4158] close(12 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(6 [pid 4158] close(13 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(7 [pid 4158] close(14 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(8 [pid 4158] close(15 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(9 [pid 4158] close(16 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(10 [pid 4158] close(17 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(11 [pid 4158] close(18 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(12 [pid 4158] close(19 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(13 [pid 4158] close(20 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(14 [pid 4158] close(21 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(15 [pid 4158] close(22 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(16 [pid 4158] close(23 [pid 4162] <... ioctl resumed>) = 0 [pid 4162] close(4 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] <... close resumed>) = 0 [pid 4159] close(17 [pid 4158] close(24 [pid 4162] close(3 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] <... close resumed>) = 0 [pid 4159] close(18 [pid 4158] close(25 [pid 4162] close(3 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(19 [pid 4158] close(26 [pid 4162] close(4 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(20 [ 57.626800][ T4162] EXT4-fs (loop2): mount failed [pid 4158] close(27 [pid 4162] close(5 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(21 [pid 4158] close(28 [pid 4162] close(6 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(22 [pid 4158] close(29 [pid 4162] close(7 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(23 [pid 4158] exit_group(0 [pid 4162] close(8 [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4158] <... exit_group resumed>) = ? [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] close(24 [pid 4158] +++ exited with 0 +++ [pid 4162] close(9) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4162] close(10 [pid 4159] close(25 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] close(11 [pid 4159] close(26 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... openat resumed>) = 3 [pid 4162] close(12 [pid 4159] close(27 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4162] close(13 [pid 4159] close(28 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] close(14 [pid 4159] close(29 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] close(15 [pid 4159] exit_group(0 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4159] <... exit_group resumed>) = ? [pid 4162] close(16 [pid 4159] +++ exited with 0 +++ [pid 3627] close(3 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] close(17 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] restart_syscall(<... resuming interrupted clone ...> [pid 4162] close(18 [pid 3629] <... restart_syscall resumed>) = 0 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4162] close(19) = -1 EBADF (Bad file descriptor) [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3627] <... close resumed>) = 0 [pid 4162] close(20 [pid 3629] <... openat resumed>) = 3 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 4167 attached [pid 4162] close(21 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 38 [pid 4167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] close(3 [pid 4167] <... prctl resumed>) = 0 [pid 4162] close(22 [pid 3629] <... close resumed>) = 0 [pid 4167] setpgid(0, 0 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4167] <... setpgid resumed>) = 0 [pid 4162] close(23 [pid 4167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 42 [pid 4167] <... openat resumed>) = 3 [pid 4162] close(24 [pid 4167] write(3, "1000", 4 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... write resumed>) = 4 [pid 4162] close(25 [pid 4167] close(3 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = 0 [pid 4162] close(26 [pid 4167] memfd_create("syzkaller", 0 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... memfd_create resumed>) = 3 [pid 4162] close(27 [pid 4167] ftruncate(3, 135266304 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... ftruncate resumed>) = 0 [pid 4162] close(28 [pid 4167] 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 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... pwrite64 resumed>) = 102 [pid 4162] close(29 [pid 4167] pwrite64(3, NULL, 0, 1248 [pid 4162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... pwrite64 resumed>) = 0 [pid 4162] exit_group(0 [pid 4167] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4162] <... exit_group resumed>) = ? [pid 4167] <... pwrite64 resumed>) = 9 [pid 4162] +++ exited with 0 +++ [pid 4167] pwrite64(3, NULL, 0, 1600 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4167] <... pwrite64 resumed>) = 0 [pid 4167] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4167] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 3625] <... openat resumed>) = 3 [pid 4167] <... pwrite64 resumed>) = 8 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 4167] pwrite64(3, NULL, 0, 26624 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4167] <... pwrite64 resumed>) = 0 [pid 3625] close(3./strace-static-x86_64: Process 4168 attached [pid 4167] pwrite64(3, NULL, 0, 36864 [pid 3625] <... close resumed>) = 0 [pid 4168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4167] <... pwrite64 resumed>) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4168] <... prctl resumed>) = 0 [pid 4167] pwrite64(3, NULL, 0, 4194300 [pid 4168] setpgid(0, 0 [pid 4167] <... pwrite64 resumed>) = 0 [pid 4168] <... setpgid resumed>) = 0 [pid 4167] pwrite64(3, NULL, 0, 69888 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 39 [pid 4168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4167] <... pwrite64 resumed>) = 0 [pid 4168] <... openat resumed>) = 3 [pid 4167] pwrite64(3, NULL, 0, 71040./strace-static-x86_64: Process 4169 attached [pid 4168] write(3, "1000", 4 [pid 4167] <... pwrite64 resumed>) = 0 [pid 4169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4168] <... write resumed>) = 4 [pid 4167] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4169] <... prctl resumed>) = 0 [pid 4168] close(3 [pid 4167] <... openat resumed>) = 4 [pid 4169] setpgid(0, 0 [pid 4168] <... close resumed>) = 0 [pid 4167] ioctl(4, LOOP_SET_FD, 3 [pid 4169] <... setpgid resumed>) = 0 [pid 4167] <... ioctl resumed>) = 0 [pid 4169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4168] memfd_create("syzkaller", 0 [pid 4167] mkdir("./file0", 0777 [pid 4169] <... openat resumed>) = 3 [pid 4167] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4169] write(3, "1000", 4 [pid 4168] <... memfd_create resumed>) = 3 [pid 4167] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4169] <... write resumed>) = 4 [pid 4168] ftruncate(3, 135266304 [pid 4169] close(3) = 0 [pid 4168] <... ftruncate resumed>) = 0 [pid 4169] memfd_create("syzkaller", 0 [pid 4168] 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 [pid 4169] <... memfd_create resumed>) = 3 [pid 4168] <... pwrite64 resumed>) = 102 [pid 4169] ftruncate(3, 135266304) = 0 [pid 4168] pwrite64(3, NULL, 0, 1248) = 0 [pid 4168] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4168] pwrite64(3, NULL, 0, 1600) = 0 [pid 4168] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4169] 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 [pid 4168] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4169] <... pwrite64 resumed>) = 102 [pid 4168] <... pwrite64 resumed>) = 8 [pid 4168] pwrite64(3, NULL, 0, 26624) = 0 [pid 4168] pwrite64(3, NULL, 0, 36864) = 0 [pid 4168] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4168] pwrite64(3, NULL, 0, 69888) = 0 [pid 4168] pwrite64(3, NULL, 0, 71040) = 0 [pid 4168] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 4168] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4168] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4169] pwrite64(3, NULL, 0, 1248 [pid 4168] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4169] <... pwrite64 resumed>) = 0 [pid 4169] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4167] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4169] pwrite64(3, NULL, 0, 1600 [pid 4167] ioctl(4, LOOP_CLR_FD [pid 4169] <... pwrite64 resumed>) = 0 [pid 4169] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4169] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4169] pwrite64(3, NULL, 0, 26624) = 0 [pid 4169] pwrite64(3, NULL, 0, 36864) = 0 [pid 4169] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4169] pwrite64(3, NULL, 0, 69888) = 0 [pid 4169] pwrite64(3, NULL, 0, 71040) = 0 [pid 4169] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 4169] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4169] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 57.790239][ T4167] loop1: detected capacity change from 0 to 264192 [ 57.808891][ T4167] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 57.809382][ T4167] EXT4-fs (loop1): get root inode failed [ 57.809396][ T4167] EXT4-fs (loop1): mount failed [ 57.818781][ T4168] loop3: detected capacity change from 0 to 264192 [pid 4169] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4168] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4168] ioctl(4, LOOP_CLR_FD [pid 4169] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 57.844620][ T4169] loop2: detected capacity change from 0 to 264192 [ 57.854132][ T4168] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 57.854672][ T4168] EXT4-fs (loop3): get root inode failed [ 57.854685][ T4168] EXT4-fs (loop3): mount failed [ 57.863149][ T4169] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4169] ioctl(4, LOOP_CLR_FD [pid 4167] <... ioctl resumed>) = 0 [pid 4167] close(4) = 0 [pid 4167] close(3) = 0 [pid 4167] close(3) = -1 EBADF (Bad file descriptor) [pid 4167] close(4) = -1 EBADF (Bad file descriptor) [pid 4167] close(5) = -1 EBADF (Bad file descriptor) [pid 4167] close(6) = -1 EBADF (Bad file descriptor) [pid 4167] close(7 [pid 4168] <... ioctl resumed>) = 0 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... ioctl resumed>) = 0 [pid 4168] close(4 [pid 4167] close(8 [pid 4169] close(4 [pid 4168] <... close resumed>) = 0 [pid 4169] <... close resumed>) = 0 [pid 4168] close(3 [pid 4169] close(3 [pid 4168] <... close resumed>) = 0 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = 0 [pid 4168] close(3 [pid 4169] close(3 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] close(9 [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(4 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] close(4 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] close(10 [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(5 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] close(5 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] close(11 [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(6 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] close(6 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] close(12 [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 57.863568][ T4169] EXT4-fs (loop2): get root inode failed [ 57.863581][ T4169] EXT4-fs (loop2): mount failed [pid 4168] close(7 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] close(7 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] close(13 [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(8 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] close(8 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] close(14 [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(9 [pid 4169] close(9 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(10 [pid 4167] close(15 [pid 4169] close(10 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(11 [pid 4167] close(16 [pid 4169] close(11 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(12 [pid 4167] close(17 [pid 4169] close(12 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(13 [pid 4167] close(18 [pid 4169] close(13 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(14 [pid 4167] close(19 [pid 4169] close(14 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(15 [pid 4167] close(20 [pid 4169] close(15 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(16 [pid 4167] close(21 [pid 4169] close(16 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(17 [pid 4167] close(22 [pid 4169] close(17 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(18 [pid 4167] close(23 [pid 4169] close(18 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(19 [pid 4167] close(24 [pid 4169] close(19 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(20 [pid 4167] close(25 [pid 4169] close(20 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(21 [pid 4167] close(26 [pid 4169] close(21 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(22 [pid 4167] close(27 [pid 4169] close(22 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(23 [pid 4169] close(23 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] close(28 [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(24 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] close(24 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] close(29 [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(25 [pid 4167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] close(25 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(26 [pid 4167] exit_group(0 [pid 4169] close(26 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] <... exit_group resumed>) = ? [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(27 [pid 4169] close(27 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(28 [pid 4169] close(28 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] close(29 [pid 4169] close(29 [pid 4168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4167] +++ exited with 0 +++ [pid 4169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4168] exit_group(0 [pid 4169] exit_group(0 [pid 4168] <... exit_group resumed>) = ? [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4169] <... exit_group resumed>) = ? [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4168] +++ exited with 0 +++ [pid 3627] <... openat resumed>) = 3 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3627] ioctl(3, LOOP_CLR_FD [pid 4169] +++ exited with 0 +++ [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3627] close(3 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3627] <... close resumed>) = 0 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 39 [pid 3625] <... openat resumed>) = 3 [pid 3629] <... openat resumed>) = 3 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3625] close(3 [pid 3629] close(3 [pid 3625] <... close resumed>) = 0 [pid 3629] <... close resumed>) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 40 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 43 ./strace-static-x86_64: Process 4177 attached [pid 4177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4177] setpgid(0, 0./strace-static-x86_64: Process 4176 attached ) = 0 ./strace-static-x86_64: Process 4178 attached [pid 4177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4177] <... openat resumed>) = 3 [pid 4176] <... prctl resumed>) = 0 [pid 4178] <... prctl resumed>) = 0 [pid 4177] write(3, "1000", 4 [pid 4176] setpgid(0, 0 [pid 4178] setpgid(0, 0 [pid 4177] <... write resumed>) = 4 [pid 4176] <... setpgid resumed>) = 0 [pid 4178] <... setpgid resumed>) = 0 [pid 4177] close(3 [pid 4176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4177] <... close resumed>) = 0 [pid 4176] <... openat resumed>) = 3 [pid 4178] <... openat resumed>) = 3 [pid 4177] memfd_create("syzkaller", 0 [pid 4176] write(3, "1000", 4 [pid 4178] write(3, "1000", 4 [pid 4177] <... memfd_create resumed>) = 3 [pid 4176] <... write resumed>) = 4 [pid 4178] <... write resumed>) = 4 [pid 4177] ftruncate(3, 135266304 [pid 4176] close(3 [pid 4178] close(3 [pid 4177] <... ftruncate resumed>) = 0 [pid 4176] <... close resumed>) = 0 [pid 4178] <... close resumed>) = 0 [pid 4177] 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 [pid 4176] memfd_create("syzkaller", 0 [pid 4178] memfd_create("syzkaller", 0 [pid 4177] <... pwrite64 resumed>) = 102 [pid 4176] <... memfd_create resumed>) = 3 [pid 4178] <... memfd_create resumed>) = 3 [pid 4177] pwrite64(3, NULL, 0, 1248 [pid 4176] ftruncate(3, 135266304 [pid 4178] ftruncate(3, 135266304 [pid 4177] <... pwrite64 resumed>) = 0 [pid 4176] <... ftruncate resumed>) = 0 [pid 4178] <... ftruncate resumed>) = 0 [pid 4177] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4176] 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 [pid 4178] 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 [pid 4177] <... pwrite64 resumed>) = 9 [pid 4176] <... pwrite64 resumed>) = 102 [pid 4178] <... pwrite64 resumed>) = 102 [pid 4177] pwrite64(3, NULL, 0, 1600 [pid 4176] pwrite64(3, NULL, 0, 1248 [pid 4178] pwrite64(3, NULL, 0, 1248 [pid 4177] <... pwrite64 resumed>) = 0 [pid 4176] <... pwrite64 resumed>) = 0 [pid 4178] <... pwrite64 resumed>) = 0 [pid 4177] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4176] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4178] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4177] <... pwrite64 resumed>) = 9 [pid 4176] <... pwrite64 resumed>) = 9 [pid 4178] <... pwrite64 resumed>) = 9 [pid 4177] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4176] pwrite64(3, NULL, 0, 1600 [pid 4178] pwrite64(3, NULL, 0, 1600 [pid 4177] <... pwrite64 resumed>) = 8 [pid 4176] <... pwrite64 resumed>) = 0 [pid 4178] <... pwrite64 resumed>) = 0 [pid 4177] pwrite64(3, NULL, 0, 26624 [pid 4176] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4178] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4177] <... pwrite64 resumed>) = 0 [pid 4176] <... pwrite64 resumed>) = 9 [pid 4178] <... pwrite64 resumed>) = 9 [pid 4177] pwrite64(3, NULL, 0, 36864 [pid 4176] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4178] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4177] <... pwrite64 resumed>) = 0 [pid 4177] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4177] pwrite64(3, NULL, 0, 69888 [pid 4178] <... pwrite64 resumed>) = 8 [pid 4177] <... pwrite64 resumed>) = 0 [pid 4176] <... pwrite64 resumed>) = 8 [pid 4178] pwrite64(3, NULL, 0, 26624 [pid 4177] pwrite64(3, NULL, 0, 71040 [pid 4176] pwrite64(3, NULL, 0, 26624 [pid 4178] <... pwrite64 resumed>) = 0 [pid 4177] <... pwrite64 resumed>) = 0 [pid 4176] <... pwrite64 resumed>) = 0 [pid 4178] pwrite64(3, NULL, 0, 36864 [pid 4177] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4176] pwrite64(3, NULL, 0, 36864 [pid 4178] <... pwrite64 resumed>) = 0 [pid 4177] <... openat resumed>) = 4 [pid 4176] <... pwrite64 resumed>) = 0 [pid 4178] pwrite64(3, NULL, 0, 4194300 [pid 4176] pwrite64(3, NULL, 0, 4194300 [pid 4178] <... pwrite64 resumed>) = 0 [pid 4176] <... pwrite64 resumed>) = 0 [pid 4178] pwrite64(3, NULL, 0, 69888 [pid 4176] pwrite64(3, NULL, 0, 69888 [pid 4178] <... pwrite64 resumed>) = 0 [pid 4176] <... pwrite64 resumed>) = 0 [pid 4178] pwrite64(3, NULL, 0, 71040 [pid 4176] pwrite64(3, NULL, 0, 71040 [pid 4178] <... pwrite64 resumed>) = 0 [pid 4176] <... pwrite64 resumed>) = 0 [pid 4178] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4176] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4178] <... openat resumed>) = 4 [pid 4176] <... openat resumed>) = 4 [pid 4178] ioctl(4, LOOP_SET_FD, 3 [pid 4176] ioctl(4, LOOP_SET_FD, 3 [pid 4178] <... ioctl resumed>) = 0 [pid 4177] ioctl(4, LOOP_SET_FD, 3 [pid 4176] <... ioctl resumed>) = 0 [pid 4178] mkdir("./file0", 0777 [pid 4177] <... ioctl resumed>) = 0 [pid 4176] mkdir("./file0", 0777 [pid 4178] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4177] mkdir("./file0", 0777 [pid 4176] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4178] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4177] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4176] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4177] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4176] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4176] ioctl(4, LOOP_CLR_FD [pid 4178] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4178] ioctl(4, LOOP_CLR_FD [pid 4177] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 58.059670][ T4178] loop3: detected capacity change from 0 to 264192 [ 58.060010][ T4176] loop1: detected capacity change from 0 to 264192 [ 58.060509][ T4177] loop2: detected capacity change from 0 to 264192 [ 58.076844][ T4176] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 58.077257][ T4176] EXT4-fs (loop1): get root inode failed [ 58.077270][ T4176] EXT4-fs (loop1): mount failed [pid 4177] ioctl(4, LOOP_CLR_FD [pid 4176] <... ioctl resumed>) = 0 [pid 4176] close(4) = 0 [pid 4178] <... ioctl resumed>) = 0 [pid 4177] <... ioctl resumed>) = 0 [pid 4176] close(3 [pid 4178] close(4 [pid 4177] close(4 [pid 4178] <... close resumed>) = 0 [pid 4177] <... close resumed>) = 0 [pid 4176] <... close resumed>) = 0 [pid 4178] close(3 [pid 4177] close(3 [pid 4176] close(3 [pid 4178] <... close resumed>) = 0 [pid 4177] <... close resumed>) = 0 [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] close(3 [pid 4177] close(3 [pid 4176] close(4 [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] close(4 [pid 4177] close(4 [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] close(5 [pid 4178] close(5 [pid 4177] close(5 [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] close(6 [pid 4178] close(6 [pid 4177] close(6 [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] close(7) = -1 EBADF (Bad file descriptor) [pid 4177] close(7 [pid 4178] close(7 [pid 4176] close(8 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(8 [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] close(8 [pid 4176] close(9 [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] close(9 [pid 4177] close(9 [pid 4176] close(10 [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] close(10 [pid 4177] close(10 [pid 4176] close(11 [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] close(12 [pid 4178] close(11 [pid 4177] close(11 [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] close(13 [pid 4178] close(12 [pid 4177] close(12 [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] close(14 [pid 4178] close(13 [pid 4177] close(13 [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] close(15 [pid 4178] close(14 [pid 4177] close(14 [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 58.084874][ T4177] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 58.085217][ T4178] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 58.085568][ T4177] EXT4-fs (loop2): get root inode failed [ 58.085581][ T4177] EXT4-fs (loop2): mount failed [ 58.085810][ T4178] EXT4-fs (loop3): get root inode failed [ 58.085821][ T4178] EXT4-fs (loop3): mount failed [pid 4176] close(16 [pid 4178] close(15 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(15 [pid 4176] close(17 [pid 4178] close(16 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(16 [pid 4176] close(18 [pid 4178] close(17 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] close(19 [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(17 [pid 4178] close(18 [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] close(20 [pid 4178] close(19 [pid 4177] close(18 [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] close(21 [pid 4178] close(20 [pid 4177] close(19 [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] close(22 [pid 4178] close(21 [pid 4177] close(20 [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] close(23 [pid 4178] close(22 [pid 4177] close(21 [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] close(24 [pid 4178] close(23 [pid 4177] close(22 [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] close(25 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] close(24 [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(23 [pid 4176] close(26 [pid 4178] close(25 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(24 [pid 4176] close(27 [pid 4178] close(26 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(25 [pid 4176] close(28 [pid 4178] close(27 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(26 [pid 4176] close(29 [pid 4178] close(28 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(27 [pid 4176] exit_group(0 [pid 4178] close(29 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4176] <... exit_group resumed>) = ? [pid 4178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4177] close(28 [pid 4176] +++ exited with 0 +++ [pid 4178] exit_group(0 [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4177] close(29 [pid 4178] <... exit_group resumed>) = ? [pid 4177] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 4178] +++ exited with 0 +++ [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4177] exit_group(0 [pid 3627] <... restart_syscall resumed>) = 0 [pid 4177] <... exit_group resumed>) = ? [pid 4177] +++ exited with 0 +++ [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3627] <... openat resumed>) = 3 [pid 3625] <... restart_syscall resumed>) = 0 [pid 3629] <... openat resumed>) = 3 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3629] close(3 [pid 3627] close(3 [pid 3625] <... openat resumed>) = 3 [pid 3629] <... close resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3625] close(3 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 44 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 40 [pid 3625] <... close resumed>) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4185 attached , child_tidptr=0x5555567cd5d0) = 41 [pid 4185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 4187 attached [pid 4185] setpgid(0, 0./strace-static-x86_64: Process 4186 attached [pid 4187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4185] <... setpgid resumed>) = 0 [pid 4187] <... prctl resumed>) = 0 [pid 4186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4187] setpgid(0, 0 [pid 4186] <... prctl resumed>) = 0 [pid 4185] <... openat resumed>) = 3 [pid 4187] <... setpgid resumed>) = 0 [pid 4186] setpgid(0, 0 [pid 4185] write(3, "1000", 4 [pid 4187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4186] <... setpgid resumed>) = 0 [pid 4185] <... write resumed>) = 4 [pid 4187] <... openat resumed>) = 3 [pid 4186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4185] close(3 [pid 4186] <... openat resumed>) = 3 [pid 4186] write(3, "1000", 4 [pid 4187] write(3, "1000", 4 [pid 4186] <... write resumed>) = 4 [pid 4185] <... close resumed>) = 0 [pid 4187] <... write resumed>) = 4 [pid 4186] close(3 [pid 4185] memfd_create("syzkaller", 0 [pid 4187] close(3 [pid 4186] <... close resumed>) = 0 [pid 4185] <... memfd_create resumed>) = 3 [pid 4187] <... close resumed>) = 0 [pid 4186] memfd_create("syzkaller", 0 [pid 4185] ftruncate(3, 135266304 [pid 4187] memfd_create("syzkaller", 0 [pid 4186] <... memfd_create resumed>) = 3 [pid 4185] <... ftruncate resumed>) = 0 [pid 4187] <... memfd_create resumed>) = 3 [pid 4186] ftruncate(3, 135266304 [pid 4185] 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 [pid 4187] ftruncate(3, 135266304 [pid 4186] <... ftruncate resumed>) = 0 [pid 4185] <... pwrite64 resumed>) = 102 [pid 4187] <... ftruncate resumed>) = 0 [pid 4186] 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 [pid 4185] pwrite64(3, NULL, 0, 1248 [pid 4187] 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 [pid 4186] <... pwrite64 resumed>) = 102 [pid 4185] <... pwrite64 resumed>) = 0 [pid 4187] <... pwrite64 resumed>) = 102 [pid 4186] pwrite64(3, NULL, 0, 1248 [pid 4185] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4187] pwrite64(3, NULL, 0, 1248 [pid 4186] <... pwrite64 resumed>) = 0 [pid 4185] <... pwrite64 resumed>) = 9 [pid 4187] <... pwrite64 resumed>) = 0 [pid 4186] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4185] pwrite64(3, NULL, 0, 1600 [pid 4187] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4186] <... pwrite64 resumed>) = 9 [pid 4186] pwrite64(3, NULL, 0, 1600 [pid 4187] <... pwrite64 resumed>) = 9 [pid 4186] <... pwrite64 resumed>) = 0 [pid 4185] <... pwrite64 resumed>) = 0 [pid 4187] pwrite64(3, NULL, 0, 1600 [pid 4186] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4185] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4187] <... pwrite64 resumed>) = 0 [pid 4186] <... pwrite64 resumed>) = 9 [pid 4185] <... pwrite64 resumed>) = 9 [pid 4187] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4186] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4185] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4187] <... pwrite64 resumed>) = 9 [pid 4186] <... pwrite64 resumed>) = 8 [pid 4185] <... pwrite64 resumed>) = 8 [pid 4187] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4186] pwrite64(3, NULL, 0, 26624 [pid 4185] pwrite64(3, NULL, 0, 26624 [pid 4187] <... pwrite64 resumed>) = 8 [pid 4186] <... pwrite64 resumed>) = 0 [pid 4185] <... pwrite64 resumed>) = 0 [pid 4187] pwrite64(3, NULL, 0, 26624 [pid 4186] pwrite64(3, NULL, 0, 36864 [pid 4185] pwrite64(3, NULL, 0, 36864 [pid 4187] <... pwrite64 resumed>) = 0 [pid 4186] <... pwrite64 resumed>) = 0 [pid 4185] <... pwrite64 resumed>) = 0 [pid 4187] pwrite64(3, NULL, 0, 36864 [pid 4186] pwrite64(3, NULL, 0, 4194300 [pid 4185] pwrite64(3, NULL, 0, 4194300 [pid 4187] <... pwrite64 resumed>) = 0 [pid 4186] <... pwrite64 resumed>) = 0 [pid 4185] <... pwrite64 resumed>) = 0 [pid 4187] pwrite64(3, NULL, 0, 4194300 [pid 4186] pwrite64(3, NULL, 0, 69888 [pid 4185] pwrite64(3, NULL, 0, 69888 [pid 4187] <... pwrite64 resumed>) = 0 [pid 4186] <... pwrite64 resumed>) = 0 [pid 4185] <... pwrite64 resumed>) = 0 [pid 4187] pwrite64(3, NULL, 0, 69888 [pid 4186] pwrite64(3, NULL, 0, 71040 [pid 4185] pwrite64(3, NULL, 0, 71040 [pid 4187] <... pwrite64 resumed>) = 0 [pid 4186] <... pwrite64 resumed>) = 0 [pid 4185] <... pwrite64 resumed>) = 0 [pid 4187] pwrite64(3, NULL, 0, 71040 [pid 4186] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4185] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4187] <... pwrite64 resumed>) = 0 [pid 4186] <... openat resumed>) = 4 [pid 4185] <... openat resumed>) = 4 [pid 4187] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4186] ioctl(4, LOOP_SET_FD, 3 [pid 4185] ioctl(4, LOOP_SET_FD, 3 [pid 4187] <... openat resumed>) = 4 [pid 4186] <... ioctl resumed>) = 0 [pid 4187] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4186] mkdir("./file0", 0777 [pid 4185] <... ioctl resumed>) = 0 [pid 4187] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4187] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4186] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4185] mkdir("./file0", 0777 [pid 4186] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4185] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4185] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4186] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4186] ioctl(4, LOOP_CLR_FD [pid 4187] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4187] ioctl(4, LOOP_CLR_FD [pid 4185] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 58.287574][ T4186] loop1: detected capacity change from 0 to 264192 [ 58.289232][ T4185] loop3: detected capacity change from 0 to 264192 [ 58.289960][ T4187] loop2: detected capacity change from 0 to 264192 [ 58.311299][ T4186] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 58.311605][ T4186] EXT4-fs (loop1): get root inode failed [pid 4185] ioctl(4, LOOP_CLR_FD [pid 4187] <... ioctl resumed>) = 0 [pid 4185] <... ioctl resumed>) = 0 [pid 4187] close(4 [pid 4186] <... ioctl resumed>) = 0 [pid 4186] close(4) = 0 [pid 4186] close(3) = 0 [pid 4186] close(3) = -1 EBADF (Bad file descriptor) [pid 4186] close(4) = -1 EBADF (Bad file descriptor) [pid 4186] close(5) = -1 EBADF (Bad file descriptor) [pid 4186] close(6) = -1 EBADF (Bad file descriptor) [pid 4186] close(7) = -1 EBADF (Bad file descriptor) [pid 4186] close(8) = -1 EBADF (Bad file descriptor) [pid 4186] close(9) = -1 EBADF (Bad file descriptor) [pid 4186] close(10) = -1 EBADF (Bad file descriptor) [pid 4186] close(11) = -1 EBADF (Bad file descriptor) [pid 4186] close(12) = -1 EBADF (Bad file descriptor) [pid 4186] close(13) = -1 EBADF (Bad file descriptor) [pid 4186] close(14) = -1 EBADF (Bad file descriptor) [pid 4186] close(15) = -1 EBADF (Bad file descriptor) [pid 4186] close(16) = -1 EBADF (Bad file descriptor) [pid 4186] close(17) = -1 EBADF (Bad file descriptor) [pid 4186] close(18) = -1 EBADF (Bad file descriptor) [pid 4186] close(19) = -1 EBADF (Bad file descriptor) [pid 4186] close(20) = -1 EBADF (Bad file descriptor) [pid 4186] close(21) = -1 EBADF (Bad file descriptor) [pid 4186] close(22) = -1 EBADF (Bad file descriptor) [pid 4186] close(23) = -1 EBADF (Bad file descriptor) [pid 4186] close(24) = -1 EBADF (Bad file descriptor) [pid 4186] close(25) = -1 EBADF (Bad file descriptor) [pid 4186] close(26) = -1 EBADF (Bad file descriptor) [pid 4186] close(27) = -1 EBADF (Bad file descriptor) [pid 4186] close(28) = -1 EBADF (Bad file descriptor) [pid 4186] close(29) = -1 EBADF (Bad file descriptor) [pid 4186] exit_group(0) = ? [pid 4186] +++ exited with 0 +++ [pid 4187] <... close resumed>) = 0 [pid 4185] close(4 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4187] close(3 [pid 4185] <... close resumed>) = 0 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4187] <... close resumed>) = 0 [pid 4185] close(3 [pid 3627] <... openat resumed>) = 3 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 4185] <... close resumed>) = 0 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4187] close(3 [pid 4185] close(3 [pid 3627] close(3 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 4187] close(4 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4185] close(4 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 58.311613][ T4186] EXT4-fs (loop1): mount failed [ 58.315376][ T4187] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 58.316015][ T4187] EXT4-fs (loop2): get root inode failed [ 58.316029][ T4187] EXT4-fs (loop2): mount failed [ 58.326255][ T4185] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 58.327707][ T4185] EXT4-fs (loop3): get root inode failed [ 58.327721][ T4185] EXT4-fs (loop3): mount failed [pid 4187] close(5 [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 41 ./strace-static-x86_64: Process 4194 attached [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] close(5 [pid 4194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4187] close(6 [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... prctl resumed>) = 0 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] close(6 [pid 4194] setpgid(0, 0 [pid 4187] close(7 [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... setpgid resumed>) = 0 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] close(7 [pid 4187] close(8 [pid 4194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4187] close(9) = -1 EBADF (Bad file descriptor) [pid 4187] close(10) = -1 EBADF (Bad file descriptor) [pid 4194] <... openat resumed>) = 3 [pid 4187] close(11 [pid 4185] close(8 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4187] close(12 [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] write(3, "1000", 4 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] close(9 [pid 4194] <... write resumed>) = 4 [pid 4187] close(13 [pid 4194] close(3 [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... close resumed>) = 0 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] close(10 [pid 4194] memfd_create("syzkaller", 0 [pid 4187] close(14 [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... memfd_create resumed>) = 3 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] close(11 [pid 4194] ftruncate(3, 135266304 [pid 4187] close(15 [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... ftruncate resumed>) = 0 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] close(12 [pid 4194] 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 [pid 4187] close(16 [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... pwrite64 resumed>) = 102 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] close(13 [pid 4194] pwrite64(3, NULL, 0, 1248 [pid 4187] close(17) = -1 EBADF (Bad file descriptor) [pid 4194] <... pwrite64 resumed>) = 0 [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4187] close(18 [pid 4185] close(14 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] <... pwrite64 resumed>) = 9 [pid 4187] close(19 [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] pwrite64(3, NULL, 0, 1600 [pid 4187] close(20 [pid 4185] close(15 [pid 4194] <... pwrite64 resumed>) = 0 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4187] close(21 [pid 4185] close(16 [pid 4194] <... pwrite64 resumed>) = 9 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4187] close(22 [pid 4185] close(17 [pid 4194] <... pwrite64 resumed>) = 8 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] pwrite64(3, NULL, 0, 26624 [pid 4187] close(23 [pid 4185] close(18 [pid 4194] <... pwrite64 resumed>) = 0 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] pwrite64(3, NULL, 0, 36864 [pid 4187] close(24 [pid 4185] close(19 [pid 4194] <... pwrite64 resumed>) = 0 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] pwrite64(3, NULL, 0, 4194300 [pid 4187] close(25 [pid 4185] close(20 [pid 4194] <... pwrite64 resumed>) = 0 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] pwrite64(3, NULL, 0, 69888 [pid 4187] close(26 [pid 4185] close(21 [pid 4194] <... pwrite64 resumed>) = 0 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] pwrite64(3, NULL, 0, 71040 [pid 4187] close(27 [pid 4185] close(22 [pid 4194] <... pwrite64 resumed>) = 0 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4187] close(28 [pid 4185] close(23 [pid 4194] <... openat resumed>) = 4 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] ioctl(4, LOOP_SET_FD, 3 [pid 4187] close(29 [pid 4185] close(24 [pid 4194] <... ioctl resumed>) = 0 [pid 4187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] mkdir("./file0", 0777 [pid 4187] exit_group(0 [pid 4185] close(25 [pid 4194] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4187] <... exit_group resumed>) = ? [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4185] close(26 [pid 4187] +++ exited with 0 +++ [pid 4185] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4185] close(27) = -1 EBADF (Bad file descriptor) [pid 4185] close(28) = -1 EBADF (Bad file descriptor) [pid 4185] close(29) = -1 EBADF (Bad file descriptor) [pid 4185] exit_group(0) = ? [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4185] +++ exited with 0 +++ [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] <... openat resumed>) = 3 [pid 3629] restart_syscall(<... resuming interrupted clone ...> [pid 3625] ioctl(3, LOOP_CLR_FD [pid 3629] <... restart_syscall resumed>) = 0 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3625] close(3) = 0 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3629] close(3) = 0 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 42 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 45 ./strace-static-x86_64: Process 4195 attached [pid 4195] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 4196 attached [pid 4196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4195] <... prctl resumed>) = 0 [pid 4195] setpgid(0, 0) = 0 [pid 4195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4195] write(3, "1000", 4 [pid 4196] setpgid(0, 0 [pid 4195] <... write resumed>) = 4 [pid 4196] <... setpgid resumed>) = 0 [pid 4195] close(3 [pid 4196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4195] <... close resumed>) = 0 [pid 4196] <... openat resumed>) = 3 [pid 4195] memfd_create("syzkaller", 0 [pid 4196] write(3, "1000", 4 [pid 4195] <... memfd_create resumed>) = 3 [pid 4196] <... write resumed>) = 4 [pid 4195] ftruncate(3, 135266304 [pid 4196] close(3 [pid 4195] <... ftruncate resumed>) = 0 [pid 4196] <... close resumed>) = 0 [pid 4195] 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 [pid 4196] memfd_create("syzkaller", 0 [pid 4195] <... pwrite64 resumed>) = 102 [pid 4196] <... memfd_create resumed>) = 3 [pid 4195] pwrite64(3, NULL, 0, 1248) = 0 [ 58.478577][ T4194] loop1: detected capacity change from 0 to 264192 [pid 4195] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4195] pwrite64(3, NULL, 0, 1600) = 0 [pid 4195] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4195] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4195] pwrite64(3, NULL, 0, 26624) = 0 [pid 4195] pwrite64(3, NULL, 0, 36864) = 0 [pid 4195] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4195] pwrite64(3, NULL, 0, 69888) = 0 [pid 4195] pwrite64(3, NULL, 0, 71040) = 0 [pid 4195] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 4195] ioctl(4, LOOP_SET_FD, 3 [pid 4196] ftruncate(3, 135266304 [pid 4195] <... ioctl resumed>) = 0 [pid 4194] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4195] mkdir("./file0", 0777 [pid 4194] ioctl(4, LOOP_CLR_FD [pid 4195] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4196] <... ftruncate resumed>) = 0 [pid 4195] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4196] 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 4196] pwrite64(3, NULL, 0, 1248) = 0 [pid 4196] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4196] pwrite64(3, NULL, 0, 1600) = 0 [pid 4196] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4196] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4196] pwrite64(3, NULL, 0, 26624) = 0 [pid 4196] pwrite64(3, NULL, 0, 36864) = 0 [pid 4196] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4196] pwrite64(3, NULL, 0, 69888) = 0 [pid 4196] pwrite64(3, NULL, 0, 71040) = 0 [pid 4196] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 4196] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4196] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4196] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4195] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 58.527178][ T4194] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 58.527677][ T4194] EXT4-fs (loop1): get root inode failed [ 58.527690][ T4194] EXT4-fs (loop1): mount failed [ 58.544406][ T4195] loop2: detected capacity change from 0 to 264192 [ 58.569309][ T4196] loop3: detected capacity change from 0 to 264192 [pid 4195] ioctl(4, LOOP_CLR_FD [pid 4196] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4196] ioctl(4, LOOP_CLR_FD [pid 4194] <... ioctl resumed>) = 0 [pid 4194] close(4) = 0 [pid 4194] close(3) = 0 [pid 4194] close(3) = -1 EBADF (Bad file descriptor) [pid 4194] close(4) = -1 EBADF (Bad file descriptor) [pid 4194] close(5) = -1 EBADF (Bad file descriptor) [pid 4194] close(6) = -1 EBADF (Bad file descriptor) [pid 4194] close(7) = -1 EBADF (Bad file descriptor) [pid 4194] close(8) = -1 EBADF (Bad file descriptor) [pid 4194] close(9) = -1 EBADF (Bad file descriptor) [pid 4194] close(10) = -1 EBADF (Bad file descriptor) [pid 4194] close(11) = -1 EBADF (Bad file descriptor) [pid 4194] close(12) = -1 EBADF (Bad file descriptor) [pid 4194] close(13) = -1 EBADF (Bad file descriptor) [pid 4194] close(14) = -1 EBADF (Bad file descriptor) [pid 4195] <... ioctl resumed>) = 0 [pid 4196] <... ioctl resumed>) = 0 [pid 4194] close(15) = -1 EBADF (Bad file descriptor) [pid 4194] close(16) = -1 EBADF (Bad file descriptor) [pid 4194] close(17) = -1 EBADF (Bad file descriptor) [pid 4194] close(18 [pid 4196] close(4 [pid 4195] close(4 [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4196] <... close resumed>) = 0 [pid 4195] <... close resumed>) = 0 [pid 4194] close(19) = -1 EBADF (Bad file descriptor) [pid 4194] close(20) = -1 EBADF (Bad file descriptor) [pid 4194] close(21) = -1 EBADF (Bad file descriptor) [pid 4194] close(22) = -1 EBADF (Bad file descriptor) [pid 4194] close(23) = -1 EBADF (Bad file descriptor) [pid 4194] close(24) = -1 EBADF (Bad file descriptor) [pid 4194] close(25) = -1 EBADF (Bad file descriptor) [pid 4194] close(26 [pid 4196] close(3 [pid 4195] close(3 [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4196] <... close resumed>) = 0 [pid 4195] <... close resumed>) = 0 [pid 4194] close(27 [pid 4196] close(3 [pid 4195] close(3 [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] close(28 [pid 4196] close(4 [pid 4195] close(4 [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] close(29 [pid 4196] close(5 [pid 4195] close(5 [pid 4194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] exit_group(0 [pid 4196] close(6 [pid 4195] close(6 [pid 4194] <... exit_group resumed>) = ? [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4194] +++ exited with 0 +++ [pid 4196] close(7 [pid 4195] close(7 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 58.577696][ T4195] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 58.578058][ T4195] EXT4-fs (loop2): get root inode failed [ 58.578068][ T4195] EXT4-fs (loop2): mount failed [ 58.587193][ T4196] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 58.587574][ T4196] EXT4-fs (loop3): get root inode failed [ 58.587587][ T4196] EXT4-fs (loop3): mount failed [pid 4196] close(8 [pid 4195] close(8 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4196] close(9 [pid 4195] close(9 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4196] close(10 [pid 4195] close(10 [pid 3627] close(3 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 4196] close(11 [pid 4195] close(11 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4196] close(12 [pid 4195] close(12 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 42 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4196] close(13 [pid 4195] close(13 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4203 attached [pid 4196] close(14 [pid 4195] close(14 [pid 4203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... prctl resumed>) = 0 [pid 4196] close(15 [pid 4195] close(15 [pid 4203] setpgid(0, 0 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... setpgid resumed>) = 0 [pid 4196] close(16 [pid 4195] close(16 [pid 4203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... openat resumed>) = 3 [pid 4196] close(17 [pid 4195] close(17 [pid 4203] write(3, "1000", 4 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... write resumed>) = 4 [pid 4196] close(18 [pid 4195] close(18 [pid 4203] close(3 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... close resumed>) = 0 [pid 4196] close(19 [pid 4195] close(19 [pid 4203] memfd_create("syzkaller", 0 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... memfd_create resumed>) = 3 [pid 4196] close(20 [pid 4195] close(20 [pid 4203] ftruncate(3, 135266304 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... ftruncate resumed>) = 0 [pid 4196] close(21 [pid 4195] close(21 [pid 4203] 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 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... pwrite64 resumed>) = 102 [pid 4203] pwrite64(3, NULL, 0, 1248) = 0 [pid 4203] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4203] pwrite64(3, NULL, 0, 1600) = 0 [pid 4203] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4203] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4196] close(22 [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... pwrite64 resumed>) = 8 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] close(22 [pid 4203] pwrite64(3, NULL, 0, 26624 [pid 4196] close(23 [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... pwrite64 resumed>) = 0 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] close(23 [pid 4203] pwrite64(3, NULL, 0, 36864 [pid 4196] close(24 [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... pwrite64 resumed>) = 0 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] close(24 [pid 4203] pwrite64(3, NULL, 0, 4194300 [pid 4196] close(25 [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... pwrite64 resumed>) = 0 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] close(25 [pid 4203] pwrite64(3, NULL, 0, 69888 [pid 4196] close(26 [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... pwrite64 resumed>) = 0 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] close(26 [pid 4203] pwrite64(3, NULL, 0, 71040 [pid 4196] close(27 [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... pwrite64 resumed>) = 0 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] close(27 [pid 4203] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4196] close(28 [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... openat resumed>) = 4 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] close(28 [pid 4203] ioctl(4, LOOP_SET_FD, 3 [pid 4196] close(29 [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4203] <... ioctl resumed>) = 0 [pid 4196] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4195] close(29 [pid 4203] mkdir("./file0", 0777 [pid 4196] exit_group(0 [pid 4195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4196] <... exit_group resumed>) = ? [pid 4195] exit_group(0 [pid 4196] +++ exited with 0 +++ [pid 4195] <... exit_group resumed>) = ? [pid 4195] +++ exited with 0 +++ [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3629] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3629] close(3 [pid 4203] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3629] <... close resumed>) = 0 [pid 4203] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 46 [pid 3625] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3625] close(3) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 43 ./strace-static-x86_64: Process 4204 attached [pid 4204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 4205 attached [pid 4205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4205] setpgid(0, 0) = 0 [pid 4205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4204] setpgid(0, 0 [pid 4205] write(3, "1000", 4 [pid 4204] <... setpgid resumed>) = 0 [pid 4205] <... write resumed>) = 4 [pid 4205] close(3) = 0 [pid 4205] memfd_create("syzkaller", 0) = 3 [pid 4205] ftruncate(3, 135266304) = 0 [pid 4205] 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 4205] pwrite64(3, NULL, 0, 1248) = 0 [pid 4205] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4205] <... pwrite64 resumed>) = 9 [pid 4204] <... openat resumed>) = 3 [pid 4205] pwrite64(3, NULL, 0, 1600 [pid 4204] write(3, "1000", 4 [pid 4205] <... pwrite64 resumed>) = 0 [pid 4204] <... write resumed>) = 4 [pid 4205] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4205] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4205] pwrite64(3, NULL, 0, 26624) = 0 [pid 4204] close(3) = 0 [pid 4204] memfd_create("syzkaller", 0) = 3 [pid 4204] ftruncate(3, 135266304 [pid 4205] pwrite64(3, NULL, 0, 36864 [pid 4204] <... ftruncate resumed>) = 0 [pid 4205] <... pwrite64 resumed>) = 0 [pid 4204] 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 [pid 4203] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4205] pwrite64(3, NULL, 0, 4194300 [pid 4204] <... pwrite64 resumed>) = 102 [pid 4203] ioctl(4, LOOP_CLR_FD [pid 4205] <... pwrite64 resumed>) = 0 [pid 4204] pwrite64(3, NULL, 0, 1248 [pid 4205] pwrite64(3, NULL, 0, 69888 [pid 4204] <... pwrite64 resumed>) = 0 [pid 4205] <... pwrite64 resumed>) = 0 [pid 4204] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4205] pwrite64(3, NULL, 0, 71040 [pid 4204] <... pwrite64 resumed>) = 9 [pid 4205] <... pwrite64 resumed>) = 0 [ 58.719088][ T4203] loop1: detected capacity change from 0 to 264192 [pid 4204] pwrite64(3, NULL, 0, 1600 [pid 4205] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4204] <... pwrite64 resumed>) = 0 [pid 4205] <... openat resumed>) = 4 [pid 4204] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4204] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4204] pwrite64(3, NULL, 0, 26624) = 0 [pid 4204] pwrite64(3, NULL, 0, 36864) = 0 [pid 4204] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4204] pwrite64(3, NULL, 0, 69888) = 0 [pid 4204] pwrite64(3, NULL, 0, 71040) = 0 [pid 4204] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 4204] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4204] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4204] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4205] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4205] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4205] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4203] <... ioctl resumed>) = 0 [pid 4203] close(4) = 0 [pid 4203] close(3) = 0 [pid 4203] close(3) = -1 EBADF (Bad file descriptor) [pid 4203] close(4) = -1 EBADF (Bad file descriptor) [pid 4203] close(5) = -1 EBADF (Bad file descriptor) [pid 4203] close(6) = -1 EBADF (Bad file descriptor) [pid 4203] close(7) = -1 EBADF (Bad file descriptor) [pid 4203] close(8) = -1 EBADF (Bad file descriptor) [pid 4203] close(9) = -1 EBADF (Bad file descriptor) [pid 4203] close(10) = -1 EBADF (Bad file descriptor) [pid 4203] close(11) = -1 EBADF (Bad file descriptor) [pid 4203] close(12) = -1 EBADF (Bad file descriptor) [pid 4203] close(13) = -1 EBADF (Bad file descriptor) [pid 4203] close(14) = -1 EBADF (Bad file descriptor) [pid 4203] close(15) = -1 EBADF (Bad file descriptor) [pid 4203] close(16) = -1 EBADF (Bad file descriptor) [pid 4203] close(17) = -1 EBADF (Bad file descriptor) [pid 4203] close(18) = -1 EBADF (Bad file descriptor) [pid 4203] close(19) = -1 EBADF (Bad file descriptor) [pid 4203] close(20) = -1 EBADF (Bad file descriptor) [pid 4203] close(21) = -1 EBADF (Bad file descriptor) [pid 4203] close(22) = -1 EBADF (Bad file descriptor) [pid 4203] close(23) = -1 EBADF (Bad file descriptor) [pid 4203] close(24) = -1 EBADF (Bad file descriptor) [pid 4203] close(25) = -1 EBADF (Bad file descriptor) [pid 4203] close(26) = -1 EBADF (Bad file descriptor) [pid 4203] close(27) = -1 EBADF (Bad file descriptor) [pid 4203] close(28) = -1 EBADF (Bad file descriptor) [pid 4203] close(29) = -1 EBADF (Bad file descriptor) [pid 4203] exit_group(0) = ? [pid 4203] +++ exited with 0 +++ [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 4205] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 58.770434][ T4203] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 58.770919][ T4203] EXT4-fs (loop1): get root inode failed [ 58.770933][ T4203] EXT4-fs (loop1): mount failed [ 58.782197][ T4204] loop3: detected capacity change from 0 to 264192 [ 58.795951][ T4205] loop2: detected capacity change from 0 to 264192 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4205] ioctl(4, LOOP_CLR_FD [pid 3627] close(3 [pid 4204] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4204] ioctl(4, LOOP_CLR_FD [pid 3627] <... close resumed>) = 0 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 43 [pid 4205] <... ioctl resumed>) = 0 [pid 4205] close(4) = 0 [pid 4205] close(3) = 0 [pid 4205] close(3) = -1 EBADF (Bad file descriptor) [pid 4205] close(4) = -1 EBADF (Bad file descriptor) [pid 4205] close(5) = -1 EBADF (Bad file descriptor) [pid 4205] close(6) = -1 EBADF (Bad file descriptor) [pid 4205] close(7) = -1 EBADF (Bad file descriptor) [pid 4205] close(8) = -1 EBADF (Bad file descriptor) [pid 4205] close(9) = -1 EBADF (Bad file descriptor) [pid 4205] close(10) = -1 EBADF (Bad file descriptor) [pid 4205] close(11) = -1 EBADF (Bad file descriptor) [pid 4205] close(12) = -1 EBADF (Bad file descriptor) [pid 4205] close(13) = -1 EBADF (Bad file descriptor) [pid 4205] close(14) = -1 EBADF (Bad file descriptor) [pid 4205] close(15) = -1 EBADF (Bad file descriptor) [pid 4205] close(16) = -1 EBADF (Bad file descriptor) [pid 4205] close(17) = -1 EBADF (Bad file descriptor) [pid 4205] close(18) = -1 EBADF (Bad file descriptor) [pid 4205] close(19) = -1 EBADF (Bad file descriptor) [pid 4205] close(20) = -1 EBADF (Bad file descriptor) [pid 4205] close(21) = -1 EBADF (Bad file descriptor) [pid 4205] close(22) = -1 EBADF (Bad file descriptor) [pid 4205] close(23) = -1 EBADF (Bad file descriptor) [pid 4205] close(24) = -1 EBADF (Bad file descriptor) [pid 4205] close(25) = -1 EBADF (Bad file descriptor) [pid 4205] close(26) = -1 EBADF (Bad file descriptor) [pid 4205] close(27) = -1 EBADF (Bad file descriptor) [pid 4205] close(28) = -1 EBADF (Bad file descriptor) [pid 4205] close(29) = -1 EBADF (Bad file descriptor) [pid 4205] exit_group(0) = ? [pid 4205] +++ exited with 0 +++ [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 ./strace-static-x86_64: Process 4212 attached [pid 3625] ioctl(3, LOOP_CLR_FD [pid 4212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4212] <... prctl resumed>) = 0 [pid 3625] close(3 [pid 4212] setpgid(0, 0 [pid 3625] <... close resumed>) = 0 [pid 4212] <... setpgid resumed>) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4204] <... ioctl resumed>) = 0 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 44 [pid 4212] write(3, "1000", 4 [pid 4204] close(4 [pid 4212] <... write resumed>) = 4 [pid 4204] <... close resumed>) = 0 [pid 4212] close(3 [ 58.833258][ T4205] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 58.833753][ T4205] EXT4-fs (loop2): get root inode failed [ 58.833766][ T4205] EXT4-fs (loop2): mount failed [pid 4204] close(3 [pid 4212] <... close resumed>) = 0 [pid 4204] <... close resumed>) = 0 [pid 4212] memfd_create("syzkaller", 0 [pid 4204] close(3 [pid 4212] <... memfd_create resumed>) = 3 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4213 attached [pid 4212] ftruncate(3, 135266304 [pid 4204] close(4 [pid 4213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4212] <... ftruncate resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... prctl resumed>) = 0 [pid 4212] 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 [pid 4204] close(5 [pid 4213] setpgid(0, 0 [pid 4212] <... pwrite64 resumed>) = 102 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... setpgid resumed>) = 0 [pid 4212] pwrite64(3, NULL, 0, 1248 [pid 4204] close(6 [pid 4213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4212] <... pwrite64 resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... openat resumed>) = 3 [pid 4212] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4204] close(7 [pid 4213] write(3, "1000", 4 [pid 4212] <... pwrite64 resumed>) = 9 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... write resumed>) = 4 [pid 4212] pwrite64(3, NULL, 0, 1600 [pid 4204] close(8 [pid 4213] close(3 [pid 4212] <... pwrite64 resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = 0 [pid 4212] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4204] close(9 [pid 4213] memfd_create("syzkaller", 0 [pid 4212] <... pwrite64 resumed>) = 9 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... memfd_create resumed>) = 3 [pid 4212] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4204] close(10 [pid 4213] ftruncate(3, 135266304 [pid 4212] <... pwrite64 resumed>) = 8 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... ftruncate resumed>) = 0 [pid 4212] pwrite64(3, NULL, 0, 26624 [pid 4204] close(11 [pid 4213] 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 [pid 4212] <... pwrite64 resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... pwrite64 resumed>) = 102 [pid 4212] pwrite64(3, NULL, 0, 36864 [pid 4204] close(12 [pid 4213] pwrite64(3, NULL, 0, 1248 [pid 4212] <... pwrite64 resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... pwrite64 resumed>) = 0 [pid 4212] pwrite64(3, NULL, 0, 4194300 [pid 4204] close(13 [pid 4213] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4212] <... pwrite64 resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... pwrite64 resumed>) = 9 [pid 4212] pwrite64(3, NULL, 0, 69888 [pid 4204] close(14 [pid 4213] pwrite64(3, NULL, 0, 1600 [pid 4212] <... pwrite64 resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... pwrite64 resumed>) = 0 [pid 4212] pwrite64(3, NULL, 0, 71040 [pid 4204] close(15 [pid 4213] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4212] <... pwrite64 resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... pwrite64 resumed>) = 9 [pid 4212] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4204] close(16 [pid 4213] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4212] <... openat resumed>) = 4 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... pwrite64 resumed>) = 8 [pid 4212] ioctl(4, LOOP_SET_FD, 3 [pid 4204] close(17 [pid 4213] pwrite64(3, NULL, 0, 26624 [pid 4212] <... ioctl resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... pwrite64 resumed>) = 0 [pid 4212] mkdir("./file0", 0777 [pid 4204] close(18 [pid 4213] pwrite64(3, NULL, 0, 36864 [pid 4212] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... pwrite64 resumed>) = 0 [pid 4212] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4204] close(19 [pid 4213] pwrite64(3, NULL, 0, 4194300 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... pwrite64 resumed>) = 0 [pid 4204] close(20 [pid 4213] pwrite64(3, NULL, 0, 69888 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... pwrite64 resumed>) = 0 [pid 4204] close(21 [pid 4213] pwrite64(3, NULL, 0, 71040 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... pwrite64 resumed>) = 0 [pid 4204] close(22 [pid 4213] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... openat resumed>) = 4 [pid 4204] close(23 [pid 4213] ioctl(4, LOOP_SET_FD, 3 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4204] close(24 [pid 4213] <... ioctl resumed>) = 0 [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] mkdir("./file0", 0777 [pid 4204] close(25 [pid 4213] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4204] close(26) = -1 EBADF (Bad file descriptor) [pid 4204] close(27) = -1 EBADF (Bad file descriptor) [pid 4204] close(28) = -1 EBADF (Bad file descriptor) [pid 4204] close(29) = -1 EBADF (Bad file descriptor) [pid 4204] exit_group(0) = ? [pid 4204] +++ exited with 0 +++ [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4212] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4212] ioctl(4, LOOP_CLR_FD [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3629] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3629] close(3) = 0 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 47 [ 58.852390][ T4204] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated ./strace-static-x86_64: Process 4217 attached [pid 4217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4217] setpgid(0, 0) = 0 [pid 4217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4213] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4213] ioctl(4, LOOP_CLR_FD [pid 4217] write(3, "1000", 4) = 4 [pid 4217] close(3) = 0 [pid 4217] memfd_create("syzkaller", 0) = 3 [pid 4217] ftruncate(3, 135266304) = 0 [pid 4217] 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 4217] pwrite64(3, NULL, 0, 1248) = 0 [pid 4217] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4217] pwrite64(3, NULL, 0, 1600) = 0 [pid 4217] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4217] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4217] pwrite64(3, NULL, 0, 26624) = 0 [pid 4217] pwrite64(3, NULL, 0, 36864) = 0 [pid 4217] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4217] pwrite64(3, NULL, 0, 69888) = 0 [pid 4217] pwrite64(3, NULL, 0, 71040) = 0 [pid 4217] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 4217] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4217] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 58.852798][ T4204] EXT4-fs (loop3): get root inode failed [ 58.852811][ T4204] EXT4-fs (loop3): mount failed [pid 4217] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4213] <... ioctl resumed>) = 0 [pid 4212] <... ioctl resumed>) = 0 [pid 4212] close(4 [pid 4213] close(4 [pid 4212] <... close resumed>) = 0 [pid 4213] <... close resumed>) = 0 [pid 4212] close(3 [pid 4213] close(3 [pid 4212] <... close resumed>) = 0 [pid 4213] <... close resumed>) = 0 [pid 4212] close(3 [pid 4213] close(3 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(4 [pid 4213] close(4 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(5 [pid 4213] close(5 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(6 [pid 4213] close(6 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(7 [pid 4213] close(7 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(8 [pid 4213] close(8 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(9 [pid 4213] close(9 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(10 [pid 4213] close(10 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(11 [pid 4213] close(11 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(12 [pid 4213] close(12 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(13 [pid 4213] close(13 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(14 [pid 4213] close(14 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(15 [pid 4213] close(15 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(16 [pid 4213] close(16 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(17 [pid 4213] close(17 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(18 [pid 4213] close(18 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(19 [pid 4213] close(19 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(20 [pid 4213] close(20 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(21 [pid 4213] close(21 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(22 [pid 4213] close(22 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(23 [pid 4213] close(23 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(24 [pid 4213] close(24 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(25 [pid 4213] close(25 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(26 [pid 4213] close(26 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(27 [pid 4213] close(27 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(28 [pid 4213] close(28 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] close(29 [pid 4213] close(29 [pid 4212] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4213] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4212] exit_group(0 [pid 4213] exit_group(0 [pid 4212] <... exit_group resumed>) = ? [pid 4213] <... exit_group resumed>) = ? [pid 4212] +++ exited with 0 +++ [pid 4213] +++ exited with 0 +++ [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4217] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4217] ioctl(4, LOOP_CLR_FD [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4217] <... ioctl resumed>) = 0 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3625] <... openat resumed>) = 3 [pid 4217] close(4 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 4217] <... close resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4217] close(3 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 3625] close(3 [pid 4217] <... close resumed>) = 0 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3625] <... close resumed>) = 0 [pid 4217] close(3 [pid 3627] close(3 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 4217] close(4 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 45 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(5 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 44 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(6) = -1 EBADF (Bad file descriptor) [pid 4217] close(7) = -1 EBADF (Bad file descriptor) [pid 4217] close(8./strace-static-x86_64: Process 4221 attached ) = -1 EBADF (Bad file descriptor) [pid 4221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4217] close(9) = -1 EBADF (Bad file descriptor) [pid 4217] close(10 [pid 4221] <... prctl resumed>) = 0 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] setpgid(0, 0 [pid 4217] close(11 [pid 4221] <... setpgid resumed>) = 0 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4217] close(12) = -1 EBADF (Bad file descriptor) [pid 4217] close(13 [pid 4221] <... openat resumed>) = 3 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4222 attached [pid 4221] write(3, "1000", 4 [pid 4217] close(14 [pid 4222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4221] <... write resumed>) = 4 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4222] <... prctl resumed>) = 0 [pid 4221] close(3 [pid 4217] close(15 [pid 4222] setpgid(0, 0 [pid 4221] <... close resumed>) = 0 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4222] <... setpgid resumed>) = 0 [pid 4221] memfd_create("syzkaller", 0 [pid 4217] close(16 [pid 4222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4221] <... memfd_create resumed>) = 3 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4222] <... openat resumed>) = 3 [pid 4221] ftruncate(3, 135266304 [pid 4217] close(17 [pid 4222] write(3, "1000", 4 [pid 4221] <... ftruncate resumed>) = 0 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4222] <... write resumed>) = 4 [pid 4221] 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 [pid 4217] close(18 [pid 4222] close(3 [pid 4221] <... pwrite64 resumed>) = 102 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4222] <... close resumed>) = 0 [ 58.907773][ T4212] loop1: detected capacity change from 0 to 264192 [ 58.919358][ T4213] loop2: detected capacity change from 0 to 264192 [pid 4221] pwrite64(3, NULL, 0, 1248 [pid 4217] close(19 [pid 4222] memfd_create("syzkaller", 0 [pid 4221] <... pwrite64 resumed>) = 0 [pid 4222] <... memfd_create resumed>) = 3 [pid 4221] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4222] ftruncate(3, 135266304 [pid 4221] <... pwrite64 resumed>) = 9 [pid 4222] <... ftruncate resumed>) = 0 [pid 4221] pwrite64(3, NULL, 0, 1600 [pid 4222] 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 [pid 4221] <... pwrite64 resumed>) = 0 [pid 4222] <... pwrite64 resumed>) = 102 [pid 4221] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4222] pwrite64(3, NULL, 0, 1248 [pid 4221] <... pwrite64 resumed>) = 9 [pid 4222] <... pwrite64 resumed>) = 0 [pid 4221] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4222] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4221] <... pwrite64 resumed>) = 8 [pid 4222] <... pwrite64 resumed>) = 9 [pid 4221] pwrite64(3, NULL, 0, 26624 [pid 4222] pwrite64(3, NULL, 0, 1600 [pid 4221] <... pwrite64 resumed>) = 0 [pid 4222] <... pwrite64 resumed>) = 0 [pid 4221] pwrite64(3, NULL, 0, 36864 [pid 4222] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4221] <... pwrite64 resumed>) = 0 [pid 4222] <... pwrite64 resumed>) = 9 [pid 4221] pwrite64(3, NULL, 0, 4194300 [pid 4222] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4221] <... pwrite64 resumed>) = 0 [pid 4222] <... pwrite64 resumed>) = 8 [pid 4221] pwrite64(3, NULL, 0, 69888 [pid 4222] pwrite64(3, NULL, 0, 26624 [pid 4221] <... pwrite64 resumed>) = 0 [pid 4222] <... pwrite64 resumed>) = 0 [pid 4221] pwrite64(3, NULL, 0, 71040 [pid 4222] pwrite64(3, NULL, 0, 36864 [pid 4221] <... pwrite64 resumed>) = 0 [pid 4222] <... pwrite64 resumed>) = 0 [pid 4221] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4222] pwrite64(3, NULL, 0, 4194300 [pid 4221] <... openat resumed>) = 4 [pid 4222] <... pwrite64 resumed>) = 0 [pid 4221] ioctl(4, LOOP_SET_FD, 3 [pid 4222] pwrite64(3, NULL, 0, 69888 [pid 4221] <... ioctl resumed>) = 0 [pid 4222] <... pwrite64 resumed>) = 0 [pid 4221] mkdir("./file0", 0777 [pid 4222] pwrite64(3, NULL, 0, 71040 [pid 4221] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4222] <... pwrite64 resumed>) = 0 [pid 4221] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4222] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 4222] ioctl(4, LOOP_SET_FD, 3 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4222] <... ioctl resumed>) = 0 [pid 4217] close(20 [pid 4222] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4222] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] close(21) = -1 EBADF (Bad file descriptor) [pid 4217] close(22) = -1 EBADF (Bad file descriptor) [pid 4217] close(23) = -1 EBADF (Bad file descriptor) [ 58.930432][ T4212] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 58.930866][ T4212] EXT4-fs (loop1): get root inode failed [ 58.930880][ T4212] EXT4-fs (loop1): mount failed [ 58.940270][ T4213] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 58.940745][ T4213] EXT4-fs (loop2): get root inode failed [pid 4217] close(24) = -1 EBADF (Bad file descriptor) [pid 4217] close(25) = -1 EBADF (Bad file descriptor) [pid 4217] close(26) = -1 EBADF (Bad file descriptor) [pid 4221] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4217] close(27) = -1 EBADF (Bad file descriptor) [pid 4217] close(28 [pid 4221] ioctl(4, LOOP_CLR_FD) = 0 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] close(4 [ 58.940758][ T4213] EXT4-fs (loop2): mount failed [pid 4217] close(29 [pid 4221] <... close resumed>) = 0 [pid 4217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] close(3 [pid 4217] exit_group(0 [pid 4222] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4222] ioctl(4, LOOP_CLR_FD) = 0 [pid 4222] close(4 [pid 4221] <... close resumed>) = 0 [pid 4217] <... exit_group resumed>) = ? [pid 4222] <... close resumed>) = 0 [pid 4221] close(3 [pid 4222] close(3 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4217] +++ exited with 0 +++ [ 58.961517][ T4217] loop3: detected capacity change from 0 to 264192 [ 59.006684][ T3650] I/O error, dev loop2, sector 264064 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0 [pid 4222] <... close resumed>) = 0 [pid 4221] close(4 [pid 4222] close(3 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4222] close(4 [pid 3629] <... openat resumed>) = 3 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] ioctl(3, LOOP_CLR_FD [pid 4222] close(5 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] close(3 [pid 4222] close(6 [pid 3629] <... close resumed>) = 0 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4222] close(7) = -1 EBADF (Bad file descriptor) [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 48 [pid 4222] close(8) = -1 EBADF (Bad file descriptor) [pid 4222] close(9) = -1 EBADF (Bad file descriptor) [pid 4222] close(10) = -1 EBADF (Bad file descriptor) [pid 4222] close(11) = -1 EBADF (Bad file descriptor) [pid 4222] close(12) = -1 EBADF (Bad file descriptor) [pid 4222] close(13./strace-static-x86_64: Process 4227 attached ) = -1 EBADF (Bad file descriptor) [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4222] close(14 [pid 4221] close(5 [pid 4227] <... prctl resumed>) = 0 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] setpgid(0, 0 [pid 4222] close(15 [pid 4227] <... setpgid resumed>) = 0 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4222] close(16 [pid 4227] <... openat resumed>) = 3 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] write(3, "1000", 4 [pid 4222] close(17 [pid 4227] <... write resumed>) = 4 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] close(3 [pid 4222] close(18 [pid 4227] <... close resumed>) = 0 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] memfd_create("syzkaller", 0 [pid 4222] close(19 [pid 4227] <... memfd_create resumed>) = 3 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] ftruncate(3, 135266304 [pid 4222] close(20 [pid 4227] <... ftruncate resumed>) = 0 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] 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 [pid 4222] close(21 [pid 4227] <... pwrite64 resumed>) = 102 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] pwrite64(3, NULL, 0, 1248 [pid 4222] close(22 [pid 4227] <... pwrite64 resumed>) = 0 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] close(6 [pid 4227] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4222] close(23 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... pwrite64 resumed>) = 9 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] pwrite64(3, NULL, 0, 1600 [pid 4222] close(24 [pid 4227] <... pwrite64 resumed>) = 0 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4222] close(25 [pid 4227] <... pwrite64 resumed>) = 9 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] close(7 [pid 4227] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4222] close(26 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... pwrite64 resumed>) = 8 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] pwrite64(3, NULL, 0, 26624 [pid 4222] close(27 [pid 4227] <... pwrite64 resumed>) = 0 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] pwrite64(3, NULL, 0, 36864 [pid 4222] close(28 [pid 4227] <... pwrite64 resumed>) = 0 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] pwrite64(3, NULL, 0, 4194300 [pid 4222] close(29 [pid 4227] <... pwrite64 resumed>) = 0 [pid 4222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] pwrite64(3, NULL, 0, 69888 [ 59.031960][ T4217] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 59.040309][ T4217] EXT4-fs (loop3): get root inode failed [ 59.040332][ T4217] EXT4-fs (loop3): mount failed [pid 4222] exit_group(0 [pid 4227] <... pwrite64 resumed>) = 0 [pid 4222] <... exit_group resumed>) = ? [pid 4227] pwrite64(3, NULL, 0, 71040 [pid 4222] +++ exited with 0 +++ [pid 4221] close(8 [pid 4227] <... pwrite64 resumed>) = 0 [pid 4227] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4221] close(9 [pid 4227] mkdir("./file0", 0777 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4227] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4227] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4221] close(10 [pid 3627] <... openat resumed>) = 3 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] close(11) = -1 EBADF (Bad file descriptor) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 4221] close(12) = -1 EBADF (Bad file descriptor) [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4221] close(13 [ 59.087115][ T4221] loop2: detected capacity change from 0 to 264192 [ 59.092521][ T4222] loop1: detected capacity change from 0 to 264192 [ 59.139878][ T4221] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 3627] close(3 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] <... close resumed>) = 0 [pid 4221] close(14 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4230 attached [pid 4221] close(15 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 45 [pid 4230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] close(16 [pid 4230] <... prctl resumed>) = 0 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] setpgid(0, 0 [pid 4221] close(17 [pid 4230] <... setpgid resumed>) = 0 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4221] close(18) = -1 EBADF (Bad file descriptor) [pid 4230] <... openat resumed>) = 3 [pid 4221] close(19) = -1 EBADF (Bad file descriptor) [pid 4230] write(3, "1000", 4 [pid 4227] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4221] close(20 [pid 4230] <... write resumed>) = 4 [pid 4227] ioctl(4, LOOP_CLR_FD [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... ioctl resumed>) = 0 [pid 4221] close(21 [pid 4230] close(3 [pid 4227] close(4 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... close resumed>) = 0 [pid 4227] <... close resumed>) = 0 [ 59.140580][ T4221] EXT4-fs (loop2): get root inode failed [ 59.140594][ T4221] EXT4-fs (loop2): mount failed [ 59.166703][ T4222] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 59.167153][ T4222] EXT4-fs (loop1): get root inode failed [pid 4221] close(22 [pid 4230] memfd_create("syzkaller", 0 [pid 4227] close(3 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... memfd_create resumed>) = 3 [pid 4227] <... close resumed>) = 0 [pid 4221] close(23 [pid 4230] ftruncate(3, 135266304 [pid 4227] close(3 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] close(24 [pid 4230] <... ftruncate resumed>) = 0 [pid 4227] close(4 [pid 4230] 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 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... pwrite64 resumed>) = 102 [pid 4227] close(5 [pid 4221] close(25 [pid 4230] pwrite64(3, NULL, 0, 1248 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... pwrite64 resumed>) = 0 [pid 4221] close(26 [pid 4230] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4227] close(6 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... pwrite64 resumed>) = 9 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] close(27 [pid 4230] pwrite64(3, NULL, 0, 1600 [pid 4227] close(7 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... pwrite64 resumed>) = 0 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] close(28 [pid 4230] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4227] close(8 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... pwrite64 resumed>) = 9 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] close(29 [pid 4230] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4227] close(9 [pid 4221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4230] <... pwrite64 resumed>) = 8 [pid 4230] pwrite64(3, NULL, 0, 26624 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] exit_group(0 [pid 4230] <... pwrite64 resumed>) = 0 [pid 4227] close(10 [pid 4221] <... exit_group resumed>) = ? [pid 4230] pwrite64(3, NULL, 0, 36864 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4221] +++ exited with 0 +++ [pid 4230] <... pwrite64 resumed>) = 0 [pid 4227] close(11 [pid 4230] pwrite64(3, NULL, 0, 4194300 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 4230] <... pwrite64 resumed>) = 0 [pid 4227] close(12 [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 4230] pwrite64(3, NULL, 0, 69888 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... restart_syscall resumed>) = 0 [pid 4230] <... pwrite64 resumed>) = 0 [pid 4227] close(13 [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3625] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3625] close(3 [pid 4230] pwrite64(3, NULL, 0, 71040 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... close resumed>) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 46 [ 59.167166][ T4222] EXT4-fs (loop1): mount failed [ 59.261968][ T4227] loop3: detected capacity change from 0 to 264192 [ 59.343055][ T4227] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 59.343814][ T4227] EXT4-fs (loop3): get root inode failed [pid 4230] <... pwrite64 resumed>) = 0 [pid 4227] close(14./strace-static-x86_64: Process 4231 attached [pid 4231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4230] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] setpgid(0, 0 [pid 4230] <... openat resumed>) = 4 [pid 4227] close(15 [pid 4231] <... setpgid resumed>) = 0 [pid 4230] ioctl(4, LOOP_SET_FD, 3 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4227] close(16 [pid 4230] <... ioctl resumed>) = 0 [pid 4230] mkdir("./file0", 0777 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] <... openat resumed>) = 3 [pid 4230] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4227] close(17 [pid 4230] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] write(3, "1000", 4 [pid 4227] close(18) = -1 EBADF (Bad file descriptor) [pid 4231] <... write resumed>) = 4 [pid 4231] close(3) = 0 [pid 4231] memfd_create("syzkaller", 0 [pid 4227] close(19 [pid 4231] <... memfd_create resumed>) = 3 [pid 4231] ftruncate(3, 135266304) = 0 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] 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 4231] pwrite64(3, NULL, 0, 1248) = 0 [pid 4227] close(20 [pid 4231] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] pwrite64(3, NULL, 0, 1600 [pid 4227] close(21 [pid 4231] <... pwrite64 resumed>) = 0 [pid 4231] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4227] close(22 [pid 4231] <... pwrite64 resumed>) = 8 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] pwrite64(3, NULL, 0, 26624 [pid 4227] close(23 [pid 4231] <... pwrite64 resumed>) = 0 [pid 4230] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [ 59.343829][ T4227] EXT4-fs (loop3): mount failed [ 59.425014][ T4230] loop1: detected capacity change from 0 to 264192 [ 59.444220][ T4230] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4231] pwrite64(3, NULL, 0, 36864 [pid 4230] ioctl(4, LOOP_CLR_FD [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] <... pwrite64 resumed>) = 0 [pid 4231] pwrite64(3, NULL, 0, 4194300 [pid 4227] close(24 [pid 4231] <... pwrite64 resumed>) = 0 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] kill(-27, SIGKILL [pid 4231] pwrite64(3, NULL, 0, 69888 [pid 4227] close(25 [pid 3624] <... kill resumed>) = 0 [pid 4231] <... pwrite64 resumed>) = 0 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3624] kill(27, SIGKILL [pid 4231] pwrite64(3, NULL, 0, 71040 [pid 4227] close(26 [pid 3624] <... kill resumed>) = 0 [pid 4231] <... pwrite64 resumed>) = 0 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4227] close(27 [pid 4231] <... openat resumed>) = 4 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] ioctl(4, LOOP_SET_FD, 3 [pid 4227] close(28 [pid 4231] <... ioctl resumed>) = 0 [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] mkdir("./file0", 0777 [pid 4227] close(29 [pid 4231] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4227] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4227] exit_group(0) = ? [pid 4227] +++ exited with 0 +++ [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3629] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3629] close(3) = 0 [ 59.444648][ T4230] EXT4-fs (loop1): get root inode failed [ 59.444662][ T4230] EXT4-fs (loop1): mount failed [ 59.491239][ T4231] loop2: detected capacity change from 0 to 264192 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4231] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4230] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 4236 attached [pid 4236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4236] setpgid(0, 0) = 0 [pid 4236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4236] write(3, "1000", 4) = 4 [pid 4236] close(3) = 0 [pid 4236] memfd_create("syzkaller", 0) = 3 [pid 4231] ioctl(4, LOOP_CLR_FD [pid 4230] close(4 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 49 [pid 4230] <... close resumed>) = 0 [pid 4236] ftruncate(3, 135266304) = 0 [pid 4236] 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 4236] pwrite64(3, NULL, 0, 1248 [pid 4230] close(3) = 0 [pid 4230] close(3 [pid 4236] <... pwrite64 resumed>) = 0 [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4230] close(4) = -1 EBADF (Bad file descriptor) [pid 4230] close(5) = -1 EBADF (Bad file descriptor) [pid 4230] close(6) = -1 EBADF (Bad file descriptor) [pid 4230] close(7 [pid 4236] <... pwrite64 resumed>) = 9 [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] pwrite64(3, NULL, 0, 1600 [pid 4230] close(8) = -1 EBADF (Bad file descriptor) [pid 4236] <... pwrite64 resumed>) = 0 [pid 4230] close(9 [pid 4236] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... pwrite64 resumed>) = 9 [pid 4230] close(10 [pid 4236] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... pwrite64 resumed>) = 8 [pid 4236] pwrite64(3, NULL, 0, 26624) = 0 [pid 4236] pwrite64(3, NULL, 0, 36864) = 0 [pid 4236] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4236] pwrite64(3, NULL, 0, 69888 [pid 4230] close(11 [pid 4236] <... pwrite64 resumed>) = 0 [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] pwrite64(3, NULL, 0, 71040 [pid 4230] close(12 [pid 4236] <... pwrite64 resumed>) = 0 [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4230] close(13 [pid 4236] <... openat resumed>) = 4 [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] ioctl(4, LOOP_SET_FD, 3 [pid 4230] close(14 [pid 4236] <... ioctl resumed>) = 0 [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] mkdir("./file0", 0777 [pid 4230] close(15 [pid 4236] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4230] close(16) = -1 EBADF (Bad file descriptor) [pid 4230] close(17) = -1 EBADF (Bad file descriptor) [pid 4230] close(18) = -1 EBADF (Bad file descriptor) [pid 4230] close(19) = -1 EBADF (Bad file descriptor) [pid 4230] close(20) = -1 EBADF (Bad file descriptor) [pid 4230] close(21) = -1 EBADF (Bad file descriptor) [pid 4230] close(22) = -1 EBADF (Bad file descriptor) [pid 4230] close(23) = -1 EBADF (Bad file descriptor) [pid 4230] close(24) = -1 EBADF (Bad file descriptor) [pid 4230] close(25) = -1 EBADF (Bad file descriptor) [pid 4230] close(26) = -1 EBADF (Bad file descriptor) [pid 4230] close(27) = -1 EBADF (Bad file descriptor) [pid 4230] close(28) = -1 EBADF (Bad file descriptor) [pid 4230] close(29) = -1 EBADF (Bad file descriptor) [ 59.508010][ T4231] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 59.508528][ T4231] EXT4-fs (loop2): get root inode failed [ 59.508542][ T4231] EXT4-fs (loop2): mount failed [pid 4230] exit_group(0 [pid 4231] <... ioctl resumed>) = 0 [pid 4230] <... exit_group resumed>) = ? [pid 4231] close(4) = 0 [pid 4230] +++ exited with 0 +++ [pid 4231] close(3) = 0 [pid 4231] close(3 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4231] close(4 [pid 3627] <... openat resumed>) = 3 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] ioctl(3, LOOP_CLR_FD [pid 4231] close(5 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] close(3 [pid 4231] close(6 [pid 3627] <... close resumed>) = 0 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4231] close(7) = -1 EBADF (Bad file descriptor) [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 46 [pid 4236] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4231] close(8 [pid 4236] ioctl(4, LOOP_CLR_FD [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... ioctl resumed>) = 0 [pid 4231] close(9 [pid 4236] close(4 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = 0 [pid 4231] close(10 [pid 4236] close(3 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = 0 [pid 4231] close(11 [pid 4236] close(3 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] close(12 [pid 4236] close(4 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] close(13 [pid 4236] close(5) = -1 EBADF (Bad file descriptor) [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] close(6 [pid 4231] close(14 [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 4239 attached [pid 4236] close(7 [pid 4231] close(15 [pid 4239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... prctl resumed>) = 0 [pid 4236] close(8 [pid 4239] setpgid(0, 0 [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] close(16 [pid 4239] <... setpgid resumed>) = 0 [pid 4236] close(9 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] close(17 [pid 4236] close(10 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] close(18 [pid 4239] <... openat resumed>) = 3 [pid 4236] close(11 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] write(3, "1000", 4 [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] close(19 [pid 4239] <... write resumed>) = 4 [pid 4236] close(12 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] close(3 [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] close(20 [pid 4239] <... close resumed>) = 0 [pid 4236] close(13 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] memfd_create("syzkaller", 0 [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] close(21 [pid 4239] <... memfd_create resumed>) = 3 [pid 4236] close(14 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] ftruncate(3, 135266304 [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] close(22 [pid 4239] <... ftruncate resumed>) = 0 [pid 4236] close(15 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] 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 [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] close(23 [pid 4239] <... pwrite64 resumed>) = 102 [pid 4236] close(16 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] pwrite64(3, NULL, 0, 1248 [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] close(24 [pid 4239] <... pwrite64 resumed>) = 0 [pid 4236] close(17 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] close(25 [pid 4239] <... pwrite64 resumed>) = 9 [pid 4236] close(18 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] pwrite64(3, NULL, 0, 1600 [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 59.550697][ T4236] loop3: detected capacity change from 0 to 264192 [ 59.580757][ T4236] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4231] close(26 [pid 4239] <... pwrite64 resumed>) = 0 [pid 4236] close(19 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] close(27 [pid 4239] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4236] close(20 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4239] <... pwrite64 resumed>) = 8 [pid 4239] pwrite64(3, NULL, 0, 26624) = 0 [pid 4239] pwrite64(3, NULL, 0, 36864) = 0 [pid 4239] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4239] pwrite64(3, NULL, 0, 69888) = 0 [pid 4239] pwrite64(3, NULL, 0, 71040) = 0 [pid 4239] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 4239] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4239] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4239] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] close(28 [pid 4236] close(21 [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] close(29 [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4236] close(22 [pid 4231] exit_group(0) = ? [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4231] +++ exited with 0 +++ [pid 4236] close(23 [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3625] restart_syscall(<... resuming interrupted clone ...> [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... restart_syscall resumed>) = 0 [pid 4236] close(24) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4236] close(25 [pid 3625] <... openat resumed>) = 3 [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] ioctl(3, LOOP_CLR_FD [pid 4236] close(26 [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] close(3 [pid 4236] close(27 [pid 3625] <... close resumed>) = 0 [pid 4236] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4236] close(28) = -1 EBADF (Bad file descriptor) [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 47 [pid 4236] close(29) = -1 EBADF (Bad file descriptor) [pid 4236] exit_group(0) = ? ./strace-static-x86_64: Process 4240 attached [pid 4236] +++ exited with 0 +++ [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4240] <... prctl resumed>) = 0 [pid 4239] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 3629] <... openat resumed>) = 3 [pid 4239] ioctl(4, LOOP_CLR_FD [pid 4240] setpgid(0, 0 [pid 4239] <... ioctl resumed>) = 0 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 4239] close(4) = 0 [ 59.581330][ T4236] EXT4-fs (loop3): get root inode failed [ 59.581344][ T4236] EXT4-fs (loop3): mount failed [ 59.658042][ T4239] loop1: detected capacity change from 0 to 264192 [pid 4239] close(3) = 0 [pid 4239] close(3) = -1 EBADF (Bad file descriptor) [pid 4239] close(4) = -1 EBADF (Bad file descriptor) [pid 4239] close(5) = -1 EBADF (Bad file descriptor) [pid 4239] close(6) = -1 EBADF (Bad file descriptor) [pid 4239] close(7) = -1 EBADF (Bad file descriptor) [pid 4239] close(8) = -1 EBADF (Bad file descriptor) [pid 4239] close(9) = -1 EBADF (Bad file descriptor) [pid 4239] close(10) = -1 EBADF (Bad file descriptor) [pid 4239] close(11) = -1 EBADF (Bad file descriptor) [pid 4239] close(12) = -1 EBADF (Bad file descriptor) [pid 4239] close(13) = -1 EBADF (Bad file descriptor) [pid 4239] close(14) = -1 EBADF (Bad file descriptor) [pid 4239] close(15) = -1 EBADF (Bad file descriptor) [pid 4239] close(16) = -1 EBADF (Bad file descriptor) [pid 4239] close(17) = -1 EBADF (Bad file descriptor) [pid 4239] close(18) = -1 EBADF (Bad file descriptor) [pid 4239] close(19) = -1 EBADF (Bad file descriptor) [pid 4239] close(20) = -1 EBADF (Bad file descriptor) [pid 4239] close(21) = -1 EBADF (Bad file descriptor) [pid 4239] close(22) = -1 EBADF (Bad file descriptor) [pid 4239] close(23) = -1 EBADF (Bad file descriptor) [pid 4239] close(24) = -1 EBADF (Bad file descriptor) [pid 4239] close(25) = -1 EBADF (Bad file descriptor) [pid 4239] close(26) = -1 EBADF (Bad file descriptor) [pid 4239] close(27) = -1 EBADF (Bad file descriptor) [pid 4239] close(28) = -1 EBADF (Bad file descriptor) [pid 4239] close(29) = -1 EBADF (Bad file descriptor) [pid 4239] exit_group(0) = ? [pid 4240] <... setpgid resumed>) = 0 [pid 4239] +++ exited with 0 +++ [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3629] close(3 [pid 4240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3629] <... close resumed>) = 0 [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4240] <... openat resumed>) = 3 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 4240] write(3, "1000", 4 [pid 3627] <... restart_syscall resumed>) = 0 [pid 4240] <... write resumed>) = 4 [pid 4240] close(3 [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 50 [pid 4240] <... close resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 4240] memfd_create("syzkaller", 0 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 4240] <... memfd_create resumed>) = 3 [pid 3627] <... ioctl resumed>) = 0 [pid 4240] ftruncate(3, 135266304 [pid 3627] close(3 [pid 4240] <... ftruncate resumed>) = 0 [pid 3627] <... close resumed>) = 0 [pid 4240] 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 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4240] <... pwrite64 resumed>) = 102 [pid 4240] pwrite64(3, NULL, 0, 1248) = 0 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 47 [pid 4240] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4240] pwrite64(3, NULL, 0, 1600) = 0 [pid 4240] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048./strace-static-x86_64: Process 4244 attached [pid 4244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4240] <... pwrite64 resumed>) = 9 ./strace-static-x86_64: Process 4243 attached [pid 4244] <... prctl resumed>) = 0 [pid 4240] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4244] setpgid(0, 0 [pid 4240] <... pwrite64 resumed>) = 8 [pid 4244] <... setpgid resumed>) = 0 [pid 4243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4240] pwrite64(3, NULL, 0, 26624 [pid 4244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4243] <... prctl resumed>) = 0 [pid 4240] <... pwrite64 resumed>) = 0 [pid 4240] pwrite64(3, NULL, 0, 36864 [pid 4244] <... openat resumed>) = 3 [pid 4244] write(3, "1000", 4 [pid 4240] <... pwrite64 resumed>) = 0 [pid 4244] <... write resumed>) = 4 [pid 4240] pwrite64(3, NULL, 0, 4194300 [pid 4244] close(3 [pid 4240] <... pwrite64 resumed>) = 0 [pid 4240] pwrite64(3, NULL, 0, 69888 [pid 4244] <... close resumed>) = 0 [pid 4240] <... pwrite64 resumed>) = 0 [pid 4244] memfd_create("syzkaller", 0 [pid 4240] pwrite64(3, NULL, 0, 71040 [pid 4244] <... memfd_create resumed>) = 3 [pid 4244] ftruncate(3, 135266304 [pid 4243] setpgid(0, 0 [pid 4240] <... pwrite64 resumed>) = 0 [pid 4244] <... ftruncate resumed>) = 0 [pid 4243] <... setpgid resumed>) = 0 [pid 4240] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4244] 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 [pid 4243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4240] <... openat resumed>) = 4 [pid 4244] <... pwrite64 resumed>) = 102 [pid 4243] <... openat resumed>) = 3 [pid 4240] ioctl(4, LOOP_SET_FD, 3 [pid 4244] pwrite64(3, NULL, 0, 1248 [pid 4243] write(3, "1000", 4 [pid 4240] <... ioctl resumed>) = 0 [ 59.702140][ T4239] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 59.702648][ T4239] EXT4-fs (loop1): get root inode failed [ 59.702662][ T4239] EXT4-fs (loop1): mount failed [pid 4244] <... pwrite64 resumed>) = 0 [pid 4243] <... write resumed>) = 4 [pid 4240] mkdir("./file0", 0777 [pid 4244] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4243] close(3 [pid 4240] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4244] <... pwrite64 resumed>) = 9 [pid 4243] <... close resumed>) = 0 [pid 4240] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4244] pwrite64(3, NULL, 0, 1600 [pid 4243] memfd_create("syzkaller", 0 [pid 4244] <... pwrite64 resumed>) = 0 [pid 4243] <... memfd_create resumed>) = 3 [pid 4244] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4243] ftruncate(3, 135266304 [pid 4244] <... pwrite64 resumed>) = 9 [pid 4243] <... ftruncate resumed>) = 0 [pid 4244] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4243] 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 [pid 4244] <... pwrite64 resumed>) = 8 [pid 4243] <... pwrite64 resumed>) = 102 [pid 4244] pwrite64(3, NULL, 0, 26624 [pid 4243] pwrite64(3, NULL, 0, 1248 [pid 4244] <... pwrite64 resumed>) = 0 [pid 4243] <... pwrite64 resumed>) = 0 [pid 4244] pwrite64(3, NULL, 0, 36864 [pid 4243] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4244] <... pwrite64 resumed>) = 0 [pid 4243] <... pwrite64 resumed>) = 9 [pid 4244] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4244] pwrite64(3, NULL, 0, 69888) = 0 [pid 4244] pwrite64(3, NULL, 0, 71040 [pid 4243] pwrite64(3, NULL, 0, 1600 [pid 4240] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4244] <... pwrite64 resumed>) = 0 [pid 4244] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 4244] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4244] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4244] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [pid 4243] <... pwrite64 resumed>) = 0 [pid 4243] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4243] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4243] pwrite64(3, NULL, 0, 26624) = 0 [pid 4243] pwrite64(3, NULL, 0, 36864) = 0 [pid 4243] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4243] pwrite64(3, NULL, 0, 69888) = 0 [pid 4243] pwrite64(3, NULL, 0, 71040) = 0 [pid 4243] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 4243] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4243] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 4243] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [ 59.776804][ T4240] loop2: detected capacity change from 0 to 264192 [ 59.804969][ T4240] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 59.805411][ T4240] EXT4-fs (loop2): get root inode failed [pid 4240] ioctl(4, LOOP_CLR_FD [pid 4244] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4243] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4244] ioctl(4, LOOP_CLR_FD [ 59.805425][ T4240] EXT4-fs (loop2): mount failed [ 59.812843][ T4244] loop1: detected capacity change from 0 to 264192 [ 59.821254][ T4243] loop3: detected capacity change from 0 to 264192 [ 59.847802][ T4244] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 59.848036][ T4243] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4243] ioctl(4, LOOP_CLR_FD [pid 4240] <... ioctl resumed>) = 0 [pid 4240] close(4) = 0 [pid 4240] close(3) = 0 [pid 4240] close(3) = -1 EBADF (Bad file descriptor) [pid 4240] close(4) = -1 EBADF (Bad file descriptor) [pid 4240] close(5) = -1 EBADF (Bad file descriptor) [pid 4240] close(6) = -1 EBADF (Bad file descriptor) [pid 4240] close(7) = -1 EBADF (Bad file descriptor) [pid 4240] close(8) = -1 EBADF (Bad file descriptor) [pid 4240] close(9) = -1 EBADF (Bad file descriptor) [pid 4240] close(10) = -1 EBADF (Bad file descriptor) [pid 4240] close(11) = -1 EBADF (Bad file descriptor) [pid 4240] close(12) = -1 EBADF (Bad file descriptor) [pid 4240] close(13) = -1 EBADF (Bad file descriptor) [pid 4240] close(14) = -1 EBADF (Bad file descriptor) [pid 4240] close(15 [pid 4244] <... ioctl resumed>) = 0 [pid 4243] <... ioctl resumed>) = 0 [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(4 [pid 4243] close(4 [pid 4240] close(16 [pid 4244] <... close resumed>) = 0 [pid 4243] <... close resumed>) = 0 [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(3 [pid 4243] close(3 [pid 4240] close(17) = -1 EBADF (Bad file descriptor) [pid 4244] <... close resumed>) = 0 [pid 4240] close(18 [pid 4243] <... close resumed>) = 0 [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(3 [pid 4243] close(3 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4240] close(19 [pid 4244] close(4 [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4240] close(20 [pid 4243] close(4 [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(5 [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4240] close(21 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] close(5 [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(6 [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4240] close(22 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] close(6 [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(7 [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4240] close(23 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(8 [pid 4243] close(7 [pid 4240] close(24 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(9 [pid 4243] close(8 [pid 4240] close(25 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(10 [pid 4243] close(9 [pid 4240] close(26 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(11 [pid 4243] close(10 [pid 4240] close(27 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(12 [pid 4240] close(28 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] close(11 [pid 4240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(13 [pid 4240] close(29) = -1 EBADF (Bad file descriptor) [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(14 [pid 4243] close(12 [pid 4240] exit_group(0 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4240] <... exit_group resumed>) = ? [pid 4244] close(15 [pid 4243] close(13 [pid 4240] +++ exited with 0 +++ [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4244] close(16 [pid 4243] close(14 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(17 [pid 4243] close(15 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(18 [pid 4243] close(16 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] close(17 [pid 4244] close(19) = -1 EBADF (Bad file descriptor) [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(20 [pid 4243] close(18 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] close(19 [pid 4244] close(21 [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] close(20) = -1 EBADF (Bad file descriptor) [pid 3625] <... openat resumed>) = 3 [pid 4244] close(22 [pid 4243] close(21 [pid 3625] ioctl(3, LOOP_CLR_FD [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4243] close(22 [pid 4244] close(23 [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3625] close(3 [pid 4244] close(24 [pid 4243] close(23) = -1 EBADF (Bad file descriptor) [pid 4243] close(24 [pid 3625] <... close resumed>) = 0 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4244] close(25 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] close(25./strace-static-x86_64: Process 4251 attached [pid 4244] close(26 [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] close(26 [pid 3625] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 48 [pid 4251] <... prctl resumed>) = 0 [pid 4244] close(27 [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] setpgid(0, 0 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] close(27 [pid 4251] <... setpgid resumed>) = 0 [pid 4244] close(28 [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 59.848266][ T4244] EXT4-fs (loop1): get root inode failed [ 59.848274][ T4244] EXT4-fs (loop1): mount failed [ 59.849004][ T4243] EXT4-fs (loop3): get root inode failed [ 59.849018][ T4243] EXT4-fs (loop3): mount failed [pid 4243] close(28 [pid 4251] <... openat resumed>) = 3 [pid 4244] close(29 [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] write(3, "1000", 4 [pid 4244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4243] close(29 [pid 4251] <... write resumed>) = 4 [pid 4244] exit_group(0 [pid 4243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(3 [pid 4244] <... exit_group resumed>) = ? [pid 4243] exit_group(0 [pid 4251] <... close resumed>) = 0 [pid 4244] +++ exited with 0 +++ [pid 4243] <... exit_group resumed>) = ? [pid 4251] memfd_create("syzkaller", 0 [pid 4243] +++ exited with 0 +++ [pid 3627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4251] <... memfd_create resumed>) = 3 [pid 3627] restart_syscall(<... resuming interrupted clone ...> [pid 4251] ftruncate(3, 135266304 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3627] <... restart_syscall resumed>) = 0 [pid 4251] <... ftruncate resumed>) = 0 [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4251] 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 [pid 3629] <... openat resumed>) = 3 [pid 4251] <... pwrite64 resumed>) = 102 [pid 3629] ioctl(3, LOOP_CLR_FD [pid 3627] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4251] pwrite64(3, NULL, 0, 1248 [pid 3629] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3627] <... openat resumed>) = 3 [pid 4251] <... pwrite64 resumed>) = 0 [pid 3629] close(3 [pid 3627] ioctl(3, LOOP_CLR_FD [pid 4251] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 3629] <... close resumed>) = 0 [pid 3627] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4251] <... pwrite64 resumed>) = 9 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3627] close(3 [pid 4251] pwrite64(3, NULL, 0, 1600 [pid 3627] <... close resumed>) = 0 [pid 4251] <... pwrite64 resumed>) = 0 [pid 3629] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 51 [pid 3627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4253 attached ./strace-static-x86_64: Process 4252 attached [pid 4251] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4251] <... pwrite64 resumed>) = 9 [pid 3627] <... clone resumed>, child_tidptr=0x5555567cd5d0) = 48 [pid 4252] <... prctl resumed>) = 0 [pid 4251] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4252] setpgid(0, 0 [pid 4251] <... pwrite64 resumed>) = 8 [pid 4253] <... prctl resumed>) = 0 [pid 4252] <... setpgid resumed>) = 0 [pid 4251] pwrite64(3, NULL, 0, 26624) = 0 [pid 4253] setpgid(0, 0 [pid 4252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4251] pwrite64(3, NULL, 0, 36864 [pid 4253] <... setpgid resumed>) = 0 [pid 4252] <... openat resumed>) = 3 [pid 4251] <... pwrite64 resumed>) = 0 [pid 4253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4252] write(3, "1000", 4 [pid 4251] pwrite64(3, NULL, 0, 4194300 [pid 4253] <... openat resumed>) = 3 [pid 4252] <... write resumed>) = 4 [pid 4251] <... pwrite64 resumed>) = 0 [pid 4253] write(3, "1000", 4 [pid 4252] close(3 [pid 4251] pwrite64(3, NULL, 0, 69888 [pid 4253] <... write resumed>) = 4 [pid 4252] <... close resumed>) = 0 [pid 4251] <... pwrite64 resumed>) = 0 [pid 4253] close(3 [pid 4252] memfd_create("syzkaller", 0 [pid 4251] pwrite64(3, NULL, 0, 71040 [pid 4253] <... close resumed>) = 0 [pid 4252] <... memfd_create resumed>) = 3 [pid 4251] <... pwrite64 resumed>) = 0 [pid 4253] memfd_create("syzkaller", 0 [pid 4252] ftruncate(3, 135266304 [pid 4251] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4253] <... memfd_create resumed>) = 3 [pid 4252] <... ftruncate resumed>) = 0 [pid 4251] <... openat resumed>) = 4 [pid 4253] ftruncate(3, 135266304 [pid 4252] 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 [pid 4251] ioctl(4, LOOP_SET_FD, 3 [pid 4253] <... ftruncate resumed>) = 0 [pid 4252] <... pwrite64 resumed>) = 102 [pid 4251] <... ioctl resumed>) = 0 [pid 4253] 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 [pid 4252] pwrite64(3, NULL, 0, 1248 [pid 4251] mkdir("./file0", 0777 [pid 4253] <... pwrite64 resumed>) = 102 [pid 4252] <... pwrite64 resumed>) = 0 [pid 4251] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4253] pwrite64(3, NULL, 0, 1248 [pid 4252] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4251] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4253] <... pwrite64 resumed>) = 0 [pid 4252] <... pwrite64 resumed>) = 9 [pid 4253] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4252] pwrite64(3, NULL, 0, 1600 [pid 4253] <... pwrite64 resumed>) = 9 [pid 4252] <... pwrite64 resumed>) = 0 [pid 4253] pwrite64(3, NULL, 0, 1600 [pid 4252] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4253] <... pwrite64 resumed>) = 0 [pid 4252] <... pwrite64 resumed>) = 9 [pid 4253] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4252] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4253] <... pwrite64 resumed>) = 9 [pid 4252] <... pwrite64 resumed>) = 8 [pid 4253] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4252] pwrite64(3, NULL, 0, 26624 [pid 4253] <... pwrite64 resumed>) = 8 [pid 4252] <... pwrite64 resumed>) = 0 [pid 4253] pwrite64(3, NULL, 0, 26624 [pid 4252] pwrite64(3, NULL, 0, 36864 [pid 4253] <... pwrite64 resumed>) = 0 [pid 4252] <... pwrite64 resumed>) = 0 [pid 4253] pwrite64(3, NULL, 0, 36864) = 0 [pid 4252] pwrite64(3, NULL, 0, 4194300 [pid 4253] pwrite64(3, NULL, 0, 4194300 [pid 4252] <... pwrite64 resumed>) = 0 [pid 4253] <... pwrite64 resumed>) = 0 [pid 4252] pwrite64(3, NULL, 0, 69888 [pid 4253] pwrite64(3, NULL, 0, 69888 [pid 4252] <... pwrite64 resumed>) = 0 [pid 4253] <... pwrite64 resumed>) = 0 [pid 4252] pwrite64(3, NULL, 0, 71040 [pid 4253] pwrite64(3, NULL, 0, 71040 [pid 4252] <... pwrite64 resumed>) = 0 [pid 4253] <... pwrite64 resumed>) = 0 [pid 4252] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4253] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 4252] <... openat resumed>) = 4 [pid 4253] <... openat resumed>) = 4 [pid 4252] ioctl(4, LOOP_SET_FD, 3 [pid 4253] ioctl(4, LOOP_SET_FD, 3 [pid 4252] <... ioctl resumed>) = 0 [pid 4253] <... ioctl resumed>) = 0 [pid 4252] mkdir("./file0", 0777 [pid 4253] mkdir("./file0", 0777 [pid 4252] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3624] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3624] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 3624] getdents64(3, 0x5555567ce620 /* 2 entries */, 32768) = 48 [pid 3624] getdents64(3, 0x5555567ce620 /* 0 entries */, 32768) = 0 [pid 3624] close(3) = 0 [pid 4253] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4252] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 4251] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4253] mount("/dev/loop1", "./file0", "ext4", 0, ",errors=continue" [ 59.974555][ T4251] loop2: detected capacity change from 0 to 264192 [ 59.998192][ T4252] loop3: detected capacity change from 0 to 264192 [ 59.998977][ T4253] loop1: detected capacity change from 0 to 264192 [pid 4251] ioctl(4, LOOP_CLR_FD [pid 3626] kill(-27, SIGKILL) = 0 [pid 3626] kill(27, SIGKILL) = 0 [pid 4252] <... mount resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 4252] ioctl(4, LOOP_CLR_FD) = 0 [pid 4252] close(4) = 0 [pid 4252] close(3) = 0 [pid 4252] close(3 [pid 4251] <... ioctl resumed>) = 0 [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(4 [ 60.013712][ T4251] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 60.014219][ T4251] EXT4-fs (loop2): get root inode failed [ 60.014233][ T4251] EXT4-fs (loop2): mount failed [pid 4252] close(4) = -1 EBADF (Bad file descriptor) [pid 4251] <... close resumed>) = 0 [pid 4252] close(5 [pid 4251] close(3 [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] close(6 [pid 4251] <... close resumed>) = 0 [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(3 [pid 4252] close(7 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(4 [pid 4252] close(8 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(5 [pid 4252] close(9 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(6 [pid 4252] close(10 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] close(11 [pid 4251] close(7 [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] close(12 [pid 4251] close(8 [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] close(13 [pid 4251] close(9 [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] close(14 [pid 4251] close(10 [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] close(15 [pid 4251] close(11 [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] close(16 [pid 4251] close(12 [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] close(17 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(13 [pid 4252] close(18 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(14 [pid 4252] close(19 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(15 [pid 4252] close(20 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(16 [pid 4252] close(21 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(17 [pid 4252] close(22 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(18 [pid 4252] close(23 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] close(24 [pid 4251] close(19 [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] close(25 [pid 4251] close(20 [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] close(26 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(21 [pid 4252] close(27 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(22 [pid 4252] close(28 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(23 [pid 4252] close(29 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(24 [pid 4252] exit_group(0 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4252] <... exit_group resumed>) = ? [pid 4251] close(25 [pid 4252] +++ exited with 0 +++ [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(26 [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 4251] close(27) = -1 EBADF (Bad file descriptor) [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 4251] close(28 [pid 3629] <... openat resumed>) = 3 [pid 4251] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 60.053398][ T4252] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 60.053807][ T4252] EXT4-fs (loop3): get root inode failed [ 60.053820][ T4252] EXT4-fs (loop3): mount failed [pid 3629] ioctl(3, LOOP_CLR_FD [pid 4251] close(29) = -1 EBADF (Bad file descriptor) [pid 4251] exit_group(0) = ? [pid 4251] +++ exited with 0 +++ [pid 3625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3625] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3625] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3625] close(3) = 0 [pid 3625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 49 ./strace-static-x86_64: Process 4260 attached [pid 4260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4260] setpgid(0, 0) = 0 [pid 4260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3629] <... ioctl resumed>) = 0 [pid 3629] close(3) = 0 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555567cd5d0) = 52 [pid 4260] <... openat resumed>) = 3 [ 60.063760][ T4253] EXT4-fs error (device loop1): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4260] write(3, "1000", 4) = 4 [pid 4260] close(3) = 0 [pid 4260] memfd_create("syzkaller", 0./strace-static-x86_64: Process 4261 attached ) = 3 [pid 4261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4260] ftruncate(3, 135266304 [pid 4261] <... prctl resumed>) = 0 [pid 4260] <... ftruncate resumed>) = 0 [pid 4261] setpgid(0, 0 [pid 4260] 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 [pid 4261] <... setpgid resumed>) = 0 [pid 4260] <... pwrite64 resumed>) = 102 [pid 4261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4260] pwrite64(3, NULL, 0, 1248 [pid 4261] <... openat resumed>) = 3 [pid 4260] <... pwrite64 resumed>) = 0 [pid 4260] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4261] write(3, "1000", 4 [pid 4260] <... pwrite64 resumed>) = 9 [pid 4261] <... write resumed>) = 4 [pid 4260] pwrite64(3, NULL, 0, 1600 [pid 4261] close(3 [pid 4260] <... pwrite64 resumed>) = 0 [pid 4261] <... close resumed>) = 0 [pid 4260] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4261] memfd_create("syzkaller", 0 [pid 4260] <... pwrite64 resumed>) = 9 [pid 4261] <... memfd_create resumed>) = 3 [pid 4260] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4261] ftruncate(3, 135266304) = 0 [pid 4261] 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 4261] pwrite64(3, NULL, 0, 1248 [pid 4260] <... pwrite64 resumed>) = 8 [pid 4261] <... pwrite64 resumed>) = 0 [pid 4260] pwrite64(3, NULL, 0, 26624 [pid 4261] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376 [pid 4260] <... pwrite64 resumed>) = 0 [pid 4261] <... pwrite64 resumed>) = 9 [pid 4260] pwrite64(3, NULL, 0, 36864 [pid 4261] pwrite64(3, NULL, 0, 1600 [pid 4260] <... pwrite64 resumed>) = 0 [pid 4261] <... pwrite64 resumed>) = 0 [pid 4260] pwrite64(3, NULL, 0, 4194300 [pid 4261] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048 [pid 4260] <... pwrite64 resumed>) = 0 [pid 4261] <... pwrite64 resumed>) = 9 [pid 4260] pwrite64(3, NULL, 0, 69888 [pid 4261] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576 [pid 4260] <... pwrite64 resumed>) = 0 [pid 4261] <... pwrite64 resumed>) = 8 [pid 4261] pwrite64(3, NULL, 0, 26624 [pid 4260] pwrite64(3, NULL, 0, 71040 [pid 4261] <... pwrite64 resumed>) = 0 [pid 4260] <... pwrite64 resumed>) = 0 [pid 4261] pwrite64(3, NULL, 0, 36864 [pid 4260] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 4261] <... pwrite64 resumed>) = 0 [pid 4261] pwrite64(3, NULL, 0, 4194300 [pid 4260] <... openat resumed>) = 4 [pid 4261] <... pwrite64 resumed>) = 0 [pid 4260] ioctl(4, LOOP_SET_FD, 3 [pid 4261] pwrite64(3, NULL, 0, 69888 [pid 4260] <... ioctl resumed>) = 0 [pid 4261] <... pwrite64 resumed>) = 0 [pid 4260] mkdir("./file0", 0777 [pid 4261] pwrite64(3, NULL, 0, 71040) = 0 [pid 4260] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 4261] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 4261] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4260] mount("/dev/loop2", "./file0", "ext4", 0, ",errors=continue" [pid 4261] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 60.064201][ T4253] EXT4-fs (loop1): get root inode failed [ 60.064214][ T4253] EXT4-fs (loop1): mount failed [pid 4261] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue") = -1 EUCLEAN (Structure needs cleaning) [pid 4261] ioctl(4, LOOP_CLR_FD) = 0 [pid 4261] close(4) = 0 [pid 4261] close(3) = 0 [pid 4261] close(3) = -1 EBADF (Bad file descriptor) [pid 4261] close(4) = -1 EBADF (Bad file descriptor) [pid 4261] close(5) = -1 EBADF (Bad file descriptor) [pid 4261] close(6) = -1 EBADF (Bad file descriptor) [pid 4261] close(7) = -1 EBADF (Bad file descriptor) [pid 4261] close(8) = -1 EBADF (Bad file descriptor) [pid 4261] close(9) = -1 EBADF (Bad file descriptor) [pid 4261] close(10) = -1 EBADF (Bad file descriptor) [pid 4261] close(11) = -1 EBADF (Bad file descriptor) [pid 4261] close(12) = -1 EBADF (Bad file descriptor) [pid 4261] close(13) = -1 EBADF (Bad file descriptor) [ 60.223952][ T4260] loop2: detected capacity change from 0 to 264192 [ 60.226850][ T4261] loop3: detected capacity change from 0 to 264192 [ 60.253156][ T4260] EXT4-fs error (device loop2): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4261] close(14) = -1 EBADF (Bad file descriptor) [pid 4261] close(15) = -1 EBADF (Bad file descriptor) [pid 4261] close(16) = -1 EBADF (Bad file descriptor) [pid 4261] close(17) = -1 EBADF (Bad file descriptor) [pid 4261] close(18) = -1 EBADF (Bad file descriptor) [pid 4261] close(19) = -1 EBADF (Bad file descriptor) [pid 4261] close(20) = -1 EBADF (Bad file descriptor) [pid 4261] close(21) = -1 EBADF (Bad file descriptor) [pid 4261] close(22) = -1 EBADF (Bad file descriptor) [pid 4261] close(23) = -1 EBADF (Bad file descriptor) [pid 4261] close(24) = -1 EBADF (Bad file descriptor) [pid 4261] close(25) = -1 EBADF (Bad file descriptor) [pid 4261] close(26) = -1 EBADF (Bad file descriptor) [pid 4261] close(27) = -1 EBADF (Bad file descriptor) [pid 4261] close(28) = -1 EBADF (Bad file descriptor) [pid 4261] close(29) = -1 EBADF (Bad file descriptor) [pid 4261] exit_group(0) = ? [pid 4261] +++ exited with 0 +++ [pid 3629] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3629] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3629] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3629] close(3) = 0 [pid 3629] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4266 attached , child_tidptr=0x5555567cd5d0) = 53 [pid 4266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4266] setpgid(0, 0) = 0 [pid 4266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4266] write(3, "1000", 4) = 4 [pid 4266] close(3) = 0 [pid 4266] memfd_create("syzkaller", 0) = 3 [pid 4266] ftruncate(3, 135266304) = 0 [pid 4266] 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 4266] pwrite64(3, NULL, 0, 1248) = 0 [pid 4266] pwrite64(3, "\xa1\xb3\x3f\xc6\x7c\x03\x88\x7d\x0c", 9, 1376) = 9 [pid 4266] pwrite64(3, NULL, 0, 1600) = 0 [pid 4266] pwrite64(3, "\x02\x00\x00\x00\x12\x00\x00\x00\x22", 9, 2048) = 9 [pid 4266] pwrite64(3, "\x50\x4d\x4d\x00\x50\x4d\x4d\xff", 8, 24576) = 8 [pid 4266] pwrite64(3, NULL, 0, 26624) = 0 [pid 4266] pwrite64(3, NULL, 0, 36864) = 0 [ 60.253671][ T4260] EXT4-fs (loop2): get root inode failed [ 60.253686][ T4260] EXT4-fs (loop2): mount failed [ 60.254546][ T4261] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [ 60.254962][ T4261] EXT4-fs (loop3): get root inode failed [pid 4266] pwrite64(3, NULL, 0, 4194300) = 0 [pid 4266] pwrite64(3, NULL, 0, 69888) = 0 [pid 4266] pwrite64(3, NULL, 0, 71040) = 0 [pid 4266] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 4266] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4266] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 60.254975][ T4261] EXT4-fs (loop3): mount failed [ 60.346607][ T4266] loop3: detected capacity change from 0 to 264192 [ 60.362290][ T4266] EXT4-fs error (device loop3): __ext4_fill_super:5226: inode #2: comm syz-executor253: iget: root inode unallocated [pid 4266] mount("/dev/loop3", "./file0", "ext4", 0, ",errors=continue" [pid 3626] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3626] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 3626] getdents64(3, 0x5555567ce620 /* 2 entries */, 32768) = 48 [pid 3626] getdents64(3, 0x5555567ce620 /* 0 entries */, 32768) = 0 [pid 3626] close(3) = 0 [ 60.362820][ T4266] EXT4-fs (loop3): get root inode failed [ 60.362834][ T4266] EXT4-fs (loop3): mount failed [pid 3627] kill(-48, SIGKILL) = 0 [pid 3627] kill(48, SIGKILL) = 0 [pid 3627] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3627] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 3627] getdents64(3, 0x5555567ce620 /* 2 entries */, 32768) = 48 [pid 3627] getdents64(3, 0x5555567ce620 /* 0 entries */, 32768) = 0 [pid 3627] close(3) = 0 [pid 3625] kill(-49, SIGKILL) = 0 [pid 3625] kill(49, SIGKILL) = 0 [pid 3625] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3625] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 3625] getdents64(3, [pid 3629] kill(-53, SIGKILL [pid 3625] <... getdents64 resumed>0x5555567ce620 /* 2 entries */, 32768) = 48 [pid 3625] getdents64(3, [pid 3629] <... kill resumed>) = 0 [pid 3625] <... getdents64 resumed>0x5555567ce620 /* 0 entries */, 32768) = 0 [pid 3625] close(3 [pid 3629] kill(53, SIGKILL [pid 3625] <... close resumed>) = 0 [pid 3629] <... kill resumed>) = 0 [pid 3629] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3629] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 3629] getdents64(3, 0x5555567ce620 /* 2 entries */, 32768) = 48 [pid 3629] getdents64(3, 0x5555567ce620 /* 0 entries */, 32768) = 0 [pid 3629] close(3) = 0 [ 76.182513][ T23] cfg80211: failed to load regulatory.db [ 286.099773][ T29] INFO: task syz-executor253:3829 blocked for more than 143 seconds. [ 286.107924][ T29] Not tainted 5.19.0-rc2-syzkaller-00050-g018ab4fabddd #0 [ 286.115665][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.124459][ T29] task:syz-executor253 state:D stack:27344 pid: 3829 ppid: 3628 flags:0x00004004 [ 286.133772][ T29] Call Trace: [ 286.137051][ T29] [ 286.140079][ T29] __schedule+0xa00/0x4b30 [ 286.144612][ T29] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 286.150727][ T29] ? io_schedule_timeout+0x140/0x140 [ 286.156030][ T29] schedule+0xd2/0x1f0 [ 286.160209][ T29] schedule_timeout+0x1db/0x2a0 [ 286.165095][ T29] ? usleep_range_state+0x1b0/0x1b0 [ 286.170380][ T29] ? __wait_for_common+0x36f/0x530 [ 286.175502][ T29] ? mark_held_locks+0x9f/0xe0 [ 286.180464][ T29] ? rwlock_bug.part.0+0x90/0x90 [ 286.185426][ T29] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.190714][ T29] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.195922][ T29] __wait_for_common+0x378/0x530 [ 286.200948][ T29] ? usleep_range_state+0x1b0/0x1b0 [ 286.206158][ T29] ? out_of_line_wait_on_bit_timeout+0x170/0x170 [ 286.212564][ T29] kthread_stop+0x17a/0x720 [ 286.217130][ T29] ext4_stop_mmpd+0x47/0xd0 [ 286.221772][ T29] ext4_fill_super+0x9dd6/0xe860 [ 286.226794][ T29] ? ext4_reconfigure+0x29c0/0x29c0 [ 286.232068][ T29] ? snprintf+0xbb/0xf0 [ 286.236302][ T29] ? vsprintf+0x30/0x30 [ 286.240566][ T29] ? wait_for_completion_io_timeout+0x20/0x20 [ 286.246652][ T29] ? set_blocksize+0x2e5/0x370 [ 286.251575][ T29] get_tree_bdev+0x440/0x760 [ 286.256245][ T29] ? ext4_reconfigure+0x29c0/0x29c0 [ 286.261662][ T29] vfs_get_tree+0x89/0x2f0 [ 286.266097][ T29] path_mount+0x1320/0x1fa0 [ 286.270703][ T29] ? kmem_cache_free.part.0+0x11e/0x240 [ 286.276307][ T29] ? putname+0xfe/0x140 [ 286.280578][ T29] ? finish_automount+0xaf0/0xaf0 [ 286.285620][ T29] ? putname+0xfe/0x140 [ 286.289944][ T29] __x64_sys_mount+0x27f/0x300 [ 286.294722][ T29] ? copy_mnt_ns+0xae0/0xae0 [ 286.299305][ T29] ? lockdep_hardirqs_on+0x79/0x100 [ 286.304611][ T29] ? _raw_spin_unlock_irq+0x2a/0x40 [ 286.309908][ T29] ? ptrace_notify+0xfa/0x140 [ 286.314617][ T29] do_syscall_64+0x35/0xb0 [ 286.319049][ T29] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 286.325014][ T29] RIP: 0033:0x7efcaceab1ba [ 286.329449][ T29] RSP: 002b:00007ffea7abb9d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 286.337923][ T29] RAX: ffffffffffffffda RBX: 00007ffea7abba30 RCX: 00007efcaceab1ba [ 286.345993][ T29] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffea7abb9f0 [ 286.354014][ T29] RBP: 00007ffea7abb9f0 R08: 00007ffea7abba30 R09: 0000000000000000 [ 286.362082][ T29] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000308 [ 286.370140][ T29] R13: 0000000000000003 R14: 0000000000000004 R15: 000000000000000b [ 286.378128][ T29] [ 286.381253][ T29] INFO: task syz-executor253:4038 blocked for more than 143 seconds. [ 286.389342][ T29] Not tainted 5.19.0-rc2-syzkaller-00050-g018ab4fabddd #0 [ 286.397035][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.405773][ T29] task:syz-executor253 state:D stack:27344 pid: 4038 ppid: 3624 flags:0x00004004 [ 286.415038][ T29] Call Trace: [ 286.418318][ T29] [ 286.421318][ T29] __schedule+0xa00/0x4b30 [ 286.425746][ T29] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 286.431783][ T29] ? io_schedule_timeout+0x140/0x140 [ 286.437079][ T29] schedule+0xd2/0x1f0 [ 286.441212][ T29] schedule_timeout+0x1db/0x2a0 [ 286.446071][ T29] ? usleep_range_state+0x1b0/0x1b0 [ 286.451332][ T29] ? __wait_for_common+0x36f/0x530 [ 286.456452][ T29] ? mark_held_locks+0x9f/0xe0 [ 286.461297][ T29] ? rwlock_bug.part.0+0x90/0x90 [ 286.466242][ T29] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.471492][ T29] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.476704][ T29] __wait_for_common+0x378/0x530 [ 286.481712][ T29] ? usleep_range_state+0x1b0/0x1b0 [ 286.486923][ T29] ? out_of_line_wait_on_bit_timeout+0x170/0x170 [ 286.493305][ T29] kthread_stop+0x17a/0x720 [ 286.497829][ T29] ext4_stop_mmpd+0x47/0xd0 [ 286.502446][ T29] ext4_fill_super+0x9dd6/0xe860 [ 286.507418][ T29] ? ext4_reconfigure+0x29c0/0x29c0 [ 286.512699][ T29] ? snprintf+0xbb/0xf0 [ 286.516880][ T29] ? vsprintf+0x30/0x30 [ 286.521132][ T29] ? wait_for_completion_io_timeout+0x20/0x20 [ 286.527210][ T29] ? set_blocksize+0x2e5/0x370 [ 286.532044][ T29] get_tree_bdev+0x440/0x760 [ 286.536648][ T29] ? ext4_reconfigure+0x29c0/0x29c0 [ 286.541920][ T29] vfs_get_tree+0x89/0x2f0 [ 286.546352][ T29] path_mount+0x1320/0x1fa0 [ 286.550921][ T29] ? kmem_cache_free.part.0+0x11e/0x240 [ 286.556481][ T29] ? putname+0xfe/0x140 [ 286.560727][ T29] ? finish_automount+0xaf0/0xaf0 [ 286.565768][ T29] ? putname+0xfe/0x140 [ 286.569984][ T29] __x64_sys_mount+0x27f/0x300 [ 286.574765][ T29] ? copy_mnt_ns+0xae0/0xae0 [ 286.579348][ T29] ? lockdep_hardirqs_on+0x79/0x100 [ 286.584629][ T29] ? _raw_spin_unlock_irq+0x2a/0x40 [ 286.589898][ T29] ? ptrace_notify+0xfa/0x140 [ 286.594582][ T29] do_syscall_64+0x35/0xb0 [ 286.598990][ T29] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 286.604949][ T29] RIP: 0033:0x7efcaceab1ba [ 286.609370][ T29] RSP: 002b:00007ffea7abb9d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 286.617851][ T29] RAX: ffffffffffffffda RBX: 00007ffea7abba30 RCX: 00007efcaceab1ba [ 286.625908][ T29] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffea7abb9f0 [ 286.633951][ T29] RBP: 00007ffea7abb9f0 R08: 00007ffea7abba30 R09: 0000000000000000 [ 286.642006][ T29] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000308 [ 286.650055][ T29] R13: 0000000000000003 R14: 0000000000000004 R15: 000000000000000b [ 286.658034][ T29] [ 286.661149][ T29] INFO: task syz-executor253:4064 blocked for more than 143 seconds. [ 286.669211][ T29] Not tainted 5.19.0-rc2-syzkaller-00050-g018ab4fabddd #0 [ 286.676887][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.685637][ T29] task:syz-executor253 state:D stack:27344 pid: 4064 ppid: 3626 flags:0x00004004 [ 286.694902][ T29] Call Trace: [ 286.694922][ T29] [ 286.701190][ T29] __schedule+0xa00/0x4b30 [ 286.705614][ T29] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 286.711653][ T29] ? io_schedule_timeout+0x140/0x140 [ 286.716947][ T29] schedule+0xd2/0x1f0 [ 286.721080][ T29] schedule_timeout+0x1db/0x2a0 [ 286.725943][ T29] ? usleep_range_state+0x1b0/0x1b0 [ 286.731191][ T29] ? __wait_for_common+0x36f/0x530 [ 286.736322][ T29] ? mark_held_locks+0x9f/0xe0 [ 286.741156][ T29] ? rwlock_bug.part.0+0x90/0x90 [ 286.746100][ T29] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.751376][ T29] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.756588][ T29] __wait_for_common+0x378/0x530 [ 286.761659][ T29] ? usleep_range_state+0x1b0/0x1b0 [ 286.766887][ T29] ? out_of_line_wait_on_bit_timeout+0x170/0x170 [ 286.773306][ T29] kthread_stop+0x17a/0x720 [ 286.777828][ T29] ext4_stop_mmpd+0x47/0xd0 [ 286.782441][ T29] ext4_fill_super+0x9dd6/0xe860 [ 286.787403][ T29] ? ext4_reconfigure+0x29c0/0x29c0 [ 286.792660][ T29] ? snprintf+0xbb/0xf0 [ 286.796827][ T29] ? vsprintf+0x30/0x30 [ 286.801050][ T29] ? wait_for_completion_io_timeout+0x20/0x20 [ 286.807129][ T29] ? set_blocksize+0x2e5/0x370 [ 286.811961][ T29] get_tree_bdev+0x440/0x760 [ 286.816568][ T29] ? ext4_reconfigure+0x29c0/0x29c0 [ 286.821917][ T29] vfs_get_tree+0x89/0x2f0 [ 286.826364][ T29] path_mount+0x1320/0x1fa0 [ 286.830932][ T29] ? kmem_cache_free.part.0+0x11e/0x240 [ 286.836495][ T29] ? putname+0xfe/0x140 [ 286.840727][ T29] ? finish_automount+0xaf0/0xaf0 [ 286.845763][ T29] ? putname+0xfe/0x140 [ 286.849973][ T29] __x64_sys_mount+0x27f/0x300 [ 286.854756][ T29] ? copy_mnt_ns+0xae0/0xae0 [ 286.859335][ T29] ? lockdep_hardirqs_on+0x79/0x100 [ 286.864623][ T29] ? _raw_spin_unlock_irq+0x2a/0x40 [ 286.869904][ T29] ? ptrace_notify+0xfa/0x140 [ 286.874596][ T29] do_syscall_64+0x35/0xb0 [ 286.879017][ T29] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 286.885003][ T29] RIP: 0033:0x7efcaceab1ba [ 286.889425][ T29] RSP: 002b:00007ffea7abb9d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 286.897914][ T29] RAX: ffffffffffffffda RBX: 00007ffea7abba30 RCX: 00007efcaceab1ba [ 286.905993][ T29] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffea7abb9f0 [ 286.914045][ T29] RBP: 00007ffea7abb9f0 R08: 00007ffea7abba30 R09: 0000000000000000 [ 286.922081][ T29] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000308 [ 286.930167][ T29] R13: 0000000000000003 R14: 0000000000000004 R15: 000000000000000b [ 286.938164][ T29] [ 286.941277][ T29] INFO: task syz-executor253:4253 blocked for more than 144 seconds. [ 286.949347][ T29] Not tainted 5.19.0-rc2-syzkaller-00050-g018ab4fabddd #0 [ 286.957033][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.965755][ T29] task:syz-executor253 state:D stack:27344 pid: 4253 ppid: 3627 flags:0x00004004 [ 286.975034][ T29] Call Trace: [ 286.978321][ T29] [ 286.981335][ T29] __schedule+0xa00/0x4b30 [ 286.985765][ T29] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 286.991814][ T29] ? io_schedule_timeout+0x140/0x140 [ 286.997114][ T29] schedule+0xd2/0x1f0 [ 287.001267][ T29] schedule_timeout+0x1db/0x2a0 [ 287.006143][ T29] ? usleep_range_state+0x1b0/0x1b0 [ 287.011402][ T29] ? __wait_for_common+0x36f/0x530 [ 287.016525][ T29] ? mark_held_locks+0x9f/0xe0 [ 287.021361][ T29] ? rwlock_bug.part.0+0x90/0x90 [ 287.026322][ T29] ? _raw_spin_unlock_irq+0x1f/0x40 [ 287.031601][ T29] ? _raw_spin_unlock_irq+0x1f/0x40 [ 287.036822][ T29] __wait_for_common+0x378/0x530 [ 287.041866][ T29] ? usleep_range_state+0x1b0/0x1b0 [ 287.047084][ T29] ? out_of_line_wait_on_bit_timeout+0x170/0x170 [ 287.053482][ T29] kthread_stop+0x17a/0x720 [ 287.058003][ T29] ext4_stop_mmpd+0x47/0xd0 [ 287.062585][ T29] ext4_fill_super+0x9dd6/0xe860 [ 287.067544][ T29] ? ext4_reconfigure+0x29c0/0x29c0 [ 287.072796][ T29] ? snprintf+0xbb/0xf0 [ 287.076965][ T29] ? vsprintf+0x30/0x30 [ 287.081198][ T29] ? wait_for_completion_io_timeout+0x20/0x20 [ 287.087280][ T29] ? set_blocksize+0x2e5/0x370 [ 287.092099][ T29] get_tree_bdev+0x440/0x760 [ 287.096704][ T29] ? ext4_reconfigure+0x29c0/0x29c0 [ 287.101973][ T29] vfs_get_tree+0x89/0x2f0 [ 287.106405][ T29] path_mount+0x1320/0x1fa0 [ 287.110969][ T29] ? kmem_cache_free.part.0+0x11e/0x240 [ 287.116557][ T29] ? putname+0xfe/0x140 [ 287.120796][ T29] ? finish_automount+0xaf0/0xaf0 [ 287.125853][ T29] ? putname+0xfe/0x140 [ 287.130062][ T29] __x64_sys_mount+0x27f/0x300 [ 287.134838][ T29] ? copy_mnt_ns+0xae0/0xae0 [ 287.139417][ T29] ? lockdep_hardirqs_on+0x79/0x100 [ 287.144682][ T29] ? _raw_spin_unlock_irq+0x2a/0x40 [ 287.149950][ T29] ? ptrace_notify+0xfa/0x140 [ 287.154631][ T29] do_syscall_64+0x35/0xb0 [ 287.159044][ T29] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 287.165096][ T29] RIP: 0033:0x7efcaceab1ba [ 287.169554][ T29] RSP: 002b:00007ffea7abb9d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 287.177986][ T29] RAX: ffffffffffffffda RBX: 00007ffea7abba30 RCX: 00007efcaceab1ba [ 287.186089][ T29] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffea7abb9f0 [ 287.194229][ T29] RBP: 00007ffea7abb9f0 R08: 00007ffea7abba30 R09: 0000000000000000 [ 287.202277][ T29] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000308 [ 287.210322][ T29] R13: 0000000000000003 R14: 0000000000000004 R15: 000000000000000b [ 287.218308][ T29] [ 287.221493][ T29] INFO: task syz-executor253:4260 blocked for more than 144 seconds. [ 287.229631][ T29] Not tainted 5.19.0-rc2-syzkaller-00050-g018ab4fabddd #0 [ 287.237263][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.246035][ T29] task:syz-executor253 state:D stack:27344 pid: 4260 ppid: 3625 flags:0x00004004 [ 287.255326][ T29] Call Trace: [ 287.255337][ T29] [ 287.261615][ T29] __schedule+0xa00/0x4b30 [ 287.266042][ T29] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 287.272086][ T29] ? io_schedule_timeout+0x140/0x140 [ 287.277381][ T29] schedule+0xd2/0x1f0 [ 287.281520][ T29] schedule_timeout+0x1db/0x2a0 [ 287.286396][ T29] ? usleep_range_state+0x1b0/0x1b0 [ 287.291653][ T29] ? __wait_for_common+0x36f/0x530 [ 287.296793][ T29] ? mark_held_locks+0x9f/0xe0 [ 287.301759][ T29] ? rwlock_bug.part.0+0x90/0x90 [ 287.306717][ T29] ? _raw_spin_unlock_irq+0x1f/0x40 [ 287.312010][ T29] ? _raw_spin_unlock_irq+0x1f/0x40 [ 287.317231][ T29] __wait_for_common+0x378/0x530 [ 287.322255][ T29] ? usleep_range_state+0x1b0/0x1b0 [ 287.327466][ T29] ? out_of_line_wait_on_bit_timeout+0x170/0x170 [ 287.333856][ T29] kthread_stop+0x17a/0x720 [ 287.338385][ T29] ext4_stop_mmpd+0x47/0xd0 [ 287.342962][ T29] ext4_fill_super+0x9dd6/0xe860 [ 287.347921][ T29] ? ext4_reconfigure+0x29c0/0x29c0 [ 287.353174][ T29] ? snprintf+0xbb/0xf0 [ 287.357356][ T29] ? vsprintf+0x30/0x30 [ 287.361595][ T29] ? wait_for_completion_io_timeout+0x20/0x20 [ 287.367686][ T29] ? set_blocksize+0x2e5/0x370 [ 287.372503][ T29] get_tree_bdev+0x440/0x760 [ 287.377110][ T29] ? ext4_reconfigure+0x29c0/0x29c0 [ 287.382420][ T29] vfs_get_tree+0x89/0x2f0 [ 287.386884][ T29] path_mount+0x1320/0x1fa0 [ 287.391469][ T29] ? kmem_cache_free.part.0+0x11e/0x240 [ 287.397040][ T29] ? putname+0xfe/0x140 [ 287.401285][ T29] ? finish_automount+0xaf0/0xaf0 [ 287.406338][ T29] ? putname+0xfe/0x140 [ 287.410560][ T29] __x64_sys_mount+0x27f/0x300 [ 287.415347][ T29] ? copy_mnt_ns+0xae0/0xae0 [ 287.420027][ T29] ? lockdep_hardirqs_on+0x79/0x100 [ 287.425239][ T29] ? _raw_spin_unlock_irq+0x2a/0x40 [ 287.430519][ T29] ? ptrace_notify+0xfa/0x140 [ 287.435214][ T29] do_syscall_64+0x35/0xb0 [ 287.439738][ T29] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 287.445659][ T29] RIP: 0033:0x7efcaceab1ba [ 287.450146][ T29] RSP: 002b:00007ffea7abb9d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 287.458569][ T29] RAX: ffffffffffffffda RBX: 00007ffea7abba30 RCX: 00007efcaceab1ba [ 287.466617][ T29] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffea7abb9f0 [ 287.474662][ T29] RBP: 00007ffea7abb9f0 R08: 00007ffea7abba30 R09: 0000000000000000 [ 287.482732][ T29] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000308 [ 287.490771][ T29] R13: 0000000000000003 R14: 0000000000000004 R15: 000000000000000b [ 287.498759][ T29] [ 287.501872][ T29] INFO: task syz-executor253:4266 blocked for more than 144 seconds. [ 287.509998][ T29] Not tainted 5.19.0-rc2-syzkaller-00050-g018ab4fabddd #0 [ 287.517635][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.526381][ T29] task:syz-executor253 state:D stack:27344 pid: 4266 ppid: 3629 flags:0x00004004 [ 287.535683][ T29] Call Trace: [ 287.538962][ T29] [ 287.542240][ T29] __schedule+0xa00/0x4b30 [ 287.546681][ T29] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 287.553068][ T29] ? io_schedule_timeout+0x140/0x140 [ 287.558374][ T29] schedule+0xd2/0x1f0 [ 287.562573][ T29] schedule_timeout+0x1db/0x2a0 [ 287.567445][ T29] ? usleep_range_state+0x1b0/0x1b0 [ 287.572766][ T29] ? __wait_for_common+0x36f/0x530 [ 287.577891][ T29] ? mark_held_locks+0x9f/0xe0 [ 287.582714][ T29] ? rwlock_bug.part.0+0x90/0x90 [ 287.587661][ T29] ? _raw_spin_unlock_irq+0x1f/0x40 [ 287.592913][ T29] ? _raw_spin_unlock_irq+0x1f/0x40 [ 287.598123][ T29] __wait_for_common+0x378/0x530 [ 287.603169][ T29] ? usleep_range_state+0x1b0/0x1b0 [ 287.608385][ T29] ? out_of_line_wait_on_bit_timeout+0x170/0x170 [ 287.614785][ T29] kthread_stop+0x17a/0x720 [ 287.619311][ T29] ext4_stop_mmpd+0x47/0xd0 [ 287.623866][ T29] ext4_fill_super+0x9dd6/0xe860 [ 287.628835][ T29] ? ext4_reconfigure+0x29c0/0x29c0 [ 287.634167][ T29] ? snprintf+0xbb/0xf0 [ 287.638359][ T29] ? vsprintf+0x30/0x30 [ 287.642580][ T29] ? wait_for_completion_io_timeout+0x20/0x20 [ 287.648657][ T29] ? set_blocksize+0x2e5/0x370 [ 287.653580][ T29] get_tree_bdev+0x440/0x760 [ 287.658193][ T29] ? ext4_reconfigure+0x29c0/0x29c0 [ 287.663534][ T29] vfs_get_tree+0x89/0x2f0 [ 287.667979][ T29] path_mount+0x1320/0x1fa0 [ 287.672795][ T29] ? kmem_cache_free.part.0+0x11e/0x240 [ 287.678380][ T29] ? putname+0xfe/0x140 [ 287.682622][ T29] ? finish_automount+0xaf0/0xaf0 [ 287.687660][ T29] ? putname+0xfe/0x140 [ 287.691905][ T29] __x64_sys_mount+0x27f/0x300 [ 287.696685][ T29] ? copy_mnt_ns+0xae0/0xae0 [ 287.701348][ T29] ? lockdep_hardirqs_on+0x79/0x100 [ 287.706565][ T29] ? _raw_spin_unlock_irq+0x2a/0x40 [ 287.711814][ T29] ? ptrace_notify+0xfa/0x140 [ 287.716505][ T29] do_syscall_64+0x35/0xb0 [ 287.721006][ T29] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 287.726926][ T29] RIP: 0033:0x7efcaceab1ba [ 287.731399][ T29] RSP: 002b:00007ffea7abb9d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 287.739899][ T29] RAX: ffffffffffffffda RBX: 00007ffea7abba30 RCX: 00007efcaceab1ba [ 287.747893][ T29] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffea7abb9f0 [ 287.755950][ T29] RBP: 00007ffea7abb9f0 R08: 00007ffea7abba30 R09: 0000000000000000 [ 287.763999][ T29] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000308 [ 287.772151][ T29] R13: 0000000000000003 R14: 0000000000000004 R15: 000000000000000b [ 287.780210][ T29] [ 287.783241][ T29] [ 287.783241][ T29] Showing all locks held in the system: [ 287.791059][ T29] 1 lock held by khungtaskd/29: [ 287.795929][ T29] #0: ffffffff8bd84020 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 287.805951][ T29] 5 locks held by kworker/u4:5/1239: [ 287.811268][ T29] #0: ffff8880b9b39fd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 [ 287.821294][ T29] #1: ffff8880b9b277c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x176/0x4e0 [ 287.832805][ T29] #2: ffff8880b9b28398 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x5a/0x1f0 [ 287.842133][ T29] #3: ffffffff91188c10 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x12e/0x3e0 [ 287.852635][ T29] #4: ffffffff8bc4c888 (text_mutex){+.+.}-{3:3}, at: arch_jump_label_transform_apply+0xe/0x20 [ 287.863165][ T29] 2 locks held by getty/3287: [ 287.867842][ T29] #0: ffff88814b13a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 [ 287.877708][ T29] #1: ffffc90001c482e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 [ 287.887902][ T29] 1 lock held by syz-executor253/3829: [ 287.893431][ T29] #0: ffff88807398c0e0 (&type->s_umount_key#27/1){+.+.}-{3:3}, at: alloc_super+0x1dd/0xa80 [ 287.903838][ T29] 1 lock held by syz-executor253/4038: [ 287.909289][ T29] #0: ffff8880275540e0 (&type->s_umount_key#27/1){+.+.}-{3:3}, at: alloc_super+0x1dd/0xa80 [ 287.919471][ T29] 1 lock held by syz-executor253/4064: [ 287.924992][ T29] #0: ffff88807e3940e0 (&type->s_umount_key#27/1){+.+.}-{3:3}, at: alloc_super+0x1dd/0xa80 [ 287.935226][ T29] 1 lock held by syz-executor253/4253: [ 287.940848][ T29] #0: ffff88801c4c40e0 (&type->s_umount_key#27/1){+.+.}-{3:3}, at: alloc_super+0x1dd/0xa80 [ 287.951069][ T29] 1 lock held by syz-executor253/4260: [ 287.956539][ T29] #0: ffff88807309a0e0 (&type->s_umount_key#27/1){+.+.}-{3:3}, at: alloc_super+0x1dd/0xa80 [ 287.966706][ T29] 1 lock held by syz-executor253/4266: [ 287.972248][ T29] #0: ffff8880230fe0e0 (&type->s_umount_key#27/1){+.+.}-{3:3}, at: alloc_super+0x1dd/0xa80 [ 287.982433][ T29] [ 287.984759][ T29] ============================================= [ 287.984759][ T29] [ 287.993278][ T29] NMI backtrace for cpu 1 [ 287.997618][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc2-syzkaller-00050-g018ab4fabddd #0 [ 288.007490][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.017531][ T29] Call Trace: [ 288.020806][ T29] [ 288.023739][ T29] dump_stack_lvl+0xcd/0x134 [ 288.028390][ T29] nmi_cpu_backtrace.cold+0x47/0x144 [ 288.033703][ T29] ? lapic_can_unplug_cpu+0x80/0x80 [ 288.038912][ T29] nmi_trigger_cpumask_backtrace+0x1e6/0x230 [ 288.044882][ T29] watchdog+0xc22/0xf90 [ 288.049077][ T29] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 288.055056][ T29] kthread+0x2e9/0x3a0 [ 288.059114][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 288.064729][ T29] ret_from_fork+0x1f/0x30 [ 288.069150][ T29] [ 288.072268][ T29] Sending NMI from CPU 1 to CPUs 0: [ 288.077493][ C0] NMI backtrace for cpu 0 [ 288.077502][ C0] CPU: 0 PID: 1239 Comm: kworker/u4:5 Not tainted 5.19.0-rc2-syzkaller-00050-g018ab4fabddd #0 [ 288.077522][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.077533][ C0] Workqueue: events_unbound toggle_allocation_gate [ 288.077595][ C0] RIP: 0010:check_preemption_disabled+0x22/0x170 [ 288.077620][ C0] Code: e9 23 ff ff ff cc cc cc 41 56 41 55 49 89 f5 41 54 55 48 89 fd 53 0f 1f 44 00 00 65 44 8b 25 25 4a 8b 76 65 8b 1d 8e 9f 8b 76 <81> e3 ff ff ff 7f 31 ff 89 de 0f 1f 44 00 00 85 db 74 11 0f 1f 44 [ 288.077637][ C0] RSP: 0018:ffffc900059af990 EFLAGS: 00000046 [ 288.077651][ C0] RAX: c3e80a43b67aafd8 RBX: 0000000080000001 RCX: 1ffffffff20d03be [ 288.077664][ C0] RDX: 0000000000000000 RSI: ffffffff89cc63e0 RDI: ffffffff8a282c40 [ 288.077676][ C0] RBP: ffffffff8a282c40 R08: 0000000000000001 R09: ffffffff9067a917 [ 288.077688][ C0] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 288.077699][ C0] R13: ffffffff89cc63e0 R14: 0000000000000ade R15: ffffffff8bec14c0 [ 288.077711][ C0] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 288.077729][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 288.077741][ C0] CR2: 000055f677ff5000 CR3: 000000000ba8e000 CR4: 00000000003506f0 [ 288.077753][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 288.077764][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 288.077775][ C0] Call Trace: [ 288.077780][ C0] [ 288.077785][ C0] ? __text_poke+0x6df/0x8e0 [ 288.077813][ C0] ? kmem_cache_alloc_bulk+0x15a/0x480 [ 288.077833][ C0] lockdep_hardirqs_on+0x79/0x100 [ 288.077852][ C0] __text_poke+0x6df/0x8e0 [ 288.077873][ C0] ? cpumask_weight+0x40/0x40 [ 288.077895][ C0] ? text_poke_memset+0x60/0x60 [ 288.077917][ C0] ? kmem_cache_alloc_bulk+0x15a/0x480 [ 288.077937][ C0] text_poke_bp_batch+0x382/0x6c0 [ 288.077961][ C0] ? do_sync_core+0x20/0x20 [ 288.077983][ C0] ? __jump_label_update+0x351/0x400 [ 288.078014][ C0] text_poke_finish+0x16/0x30 [ 288.078030][ C0] arch_jump_label_transform_apply+0x13/0x20 [ 288.078052][ C0] jump_label_update+0x32f/0x410 [ 288.078074][ C0] static_key_enable_cpuslocked+0x1b1/0x260 [ 288.078097][ C0] static_key_enable+0x16/0x20 [ 288.078118][ C0] toggle_allocation_gate+0x100/0x390 [ 288.078136][ C0] ? lock_release+0x780/0x780 [ 288.078157][ C0] ? wake_up_kfence_timer+0x20/0x20 [ 288.078181][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 288.078199][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 288.078224][ C0] process_one_work+0x996/0x1610 [ 288.078259][ C0] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 288.078279][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 288.078295][ C0] ? _raw_spin_lock_irq+0x41/0x50 [ 288.078316][ C0] worker_thread+0x665/0x1080 [ 288.078335][ C0] ? process_one_work+0x1610/0x1610 [ 288.078354][ C0] kthread+0x2e9/0x3a0 [ 288.078369][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 288.078387][ C0] ret_from_fork+0x1f/0x30 [ 288.078408][ C0] [ 288.078493][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 288.382174][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc2-syzkaller-00050-g018ab4fabddd #0 [ 288.392063][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.402111][ T29] Call Trace: [ 288.405388][ T29] [ 288.408326][ T29] dump_stack_lvl+0xcd/0x134 [ 288.412932][ T29] panic+0x2d7/0x636 [ 288.416832][ T29] ? panic_print_sys_info.part.0+0x10b/0x10b [ 288.422811][ T29] ? lapic_can_unplug_cpu+0x80/0x80 [ 288.428010][ T29] ? preempt_schedule_thunk+0x16/0x18 [ 288.433385][ T29] ? watchdog.cold+0x5/0x143 [ 288.438002][ T29] watchdog.cold+0x16/0x143 [ 288.442507][ T29] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 288.448496][ T29] kthread+0x2e9/0x3a0 [ 288.452563][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 288.458193][ T29] ret_from_fork+0x1f/0x30 [ 288.462614][ T29] [ 288.465930][ T29] Kernel Offset: disabled [ 288.470257][ T29] Rebooting in 86400 seconds..